The list below shows how many ASNs are assigned to each country. Click on the country links to see more details about the specific ASNs and IP addresses that belong to each country.
| ASN | Name | IPv4 Num IPs | IPv6 Num IPs(/64) |
|---|---|---|---|
| AS2118 | RELCOM-AS - Reliable Communications s.r.o., CZ | 5,632 | 0 |
| AS2571 | DHLNET - DHL Information Services (Europe) s.r.o, CZ | 154,368 | 3,211,264 |
| AS2578 | DEMOS-AS - Demos, Moscow, Russia, CZ | 256 | 0 |
| AS2852 | CESNET2 - CESNET z.s.p.o., CZ | 849,920 | 34,359,738,368 |
| AS3161 | ASITPROFI - IT PROFI s.r.o., CZ | 512 | 0 |
| AS5588 | GTSCE - T-Mobile Czech Republic a.s., CZ | 139,264 | 8,589,934,592 |
| AS5610 | O2-CZECH-REPUBLIC - O2 Czech Republic, a.s., CZ | 1,542,912 | 47,244,705,792 |
| AS6740 | INEXT-CZ-ADA - InterneXt 2000, s.r.o., CZ | 41,984 | 0 |
| AS6881 | NIXCZ - NIX.CZ z.s.p.o., CZ | 2,560 | 4,294,967,296 |
| AS8251 | NFX_ZSPO - FreeTel, s.r.o., CZ | 17,408 | 4,294,967,296 |
| AS8646 | cloudinfrastack - cloudinfrastack, s.r.o., CZ | 1,024 | 0 |
| AS8882 | AS8882 - AS8882 s.r.o., CZ | 0 | 65,536 |
| AS8913 | IPNet - Mopos Communications A.S., CZ | 8,192 | 4,294,967,296 |
| AS9053 | VSHOSTING-CDN - VSHosting s.r.o., CZ | 256 | 196,608 |
| AS9080 | GIN - Ipex A.S, CZ | 26,624 | 4,294,967,296 |
| AS12344 | CZECHITC - CZECH IT CLUSTER, druzstvo, CZ | 1,024 | 8,589,934,592 |
| AS12570 | ITSELF - O2 Czech Republic, a.s., CZ | 53,760 | 38,654,705,664 |
| AS12767 | PRAGONET-AS - T-Mobile Czech Republic a.s., CZ | 66,560 | 34,359,738,368 |
| AS12984 | PILSFREE - PilsFree, z. s., CZ | 1,024 | 34,359,738,368 |
| AS13036 | TMOBILE-CZ - T-Mobile Czech Republic a.s., CZ | 958,464 | 38,654,705,664 |
| AS13199 | DOUBRAVA-NET - Jaroslav Doubrava, CZ | 1,024 | 34,359,738,368 |
| AS15380 | ANSCZ - Air Navigation Services of the Czech Republic, state enterprise, CZ | 256 | 65,536 |
| AS15425 | COMA - PODA a.s., CZ | 110,592 | 4,294,967,296 |
| AS15614 | Dragon - Dragon Internet a.s., CZ | 19,456 | 38,654,705,664 |
| AS15685 | CASABLANCA-AS - CASABLANCA INT a.s., CZ | 34,304 | 4,294,967,296 |
| AS15935 | HA-VEL-LOCAL-AS - ha-vel internet s.r.o., CZ | 49,664 | 4,295,163,904 |
| AS16019 | VODAFONE-CZ-AS - Vodafone Czech Republic a.s., CZ | 1,210,368 | 326,417,580,032 |
| AS16246 | AS16246 - O2 Czech Republic, a.s., CZ | 133,120 | 38,654,705,664 |
| AS20609 | kazaczsro - KAZA.cz s.r.o., CZ | 2,048 | 4,294,967,296 |
| AS20643 | CZ-PILSFREESERVIS-AS - PilsFree servis, s.r.o., CZ | 1,024 | 34,359,738,368 |
| AS20701 | CZNIC-AS3 - CZ.NIC, z.s.p.o., CZ | 512 | 131,072 |
| AS20708 | SKODA-AUTO - SKODA AUTO a.s., CZ | 1,024 | 65,536 |
| AS20723 | MGI - AVONET, s.r.o., CZ | 16,384 | 34,359,738,368 |
| AS21045 | QnetCZ - K-net Technical International Group, s.r.o., CZ | 4,096 | 0 |
| AS21241 | MUZO-AS - Global Payments Europe, s.r.o., CZ | 2,048 | 0 |
| AS21430 | WIA-AS - WIA spol. s.r.o., CZ | 40,448 | 4,295,229,440 |
| AS24641 | FASTER-AS - FASTER CZ spol. s r.o., CZ | 17,920 | 8,589,934,592 |
| AS24806 | INTERNET-CZ - INTERNET CZ, a.s., CZ | 45,824 | 4,294,967,296 |
| AS24971 | MASTER-AS - MasterDC s.r.o., CZ | 58,880 | 90,261,618,688 |
| AS25093 | CSAS-CZ - Ceska sporitelna a.s., CZ | 512 | 0 |
| AS25192 | CZNIC-AS - CZ.NIC, z.s.p.o., CZ | 6,400 | 4,295,360,512 |
| AS25234 | ACTIVE24-AS - ACTIVE 24, s.r.o., CZ | 7,680 | 8,590,000,128 |
| AS25238 | MONETA-CZ - MONETA Money Bank, a.s., CZ | 1,024 | 65,536 |
| AS25248 | BlueTone-AS - RADIOKOMUNIKACE a.s., CZ | 106,752 | 4,295,032,832 |
| AS25321 | G4S-NET - Brink's Cash Solutions (CZ), a.s., CZ | 512 | 0 |
| AS25424 | INEXT-CZ - InterneXt 2000, s.r.o., CZ | 33,792 | 68,719,476,736 |
| AS25512 | CDT-AS - CD-Telematika a.s., CZ | 117,760 | 4,294,967,296 |
| AS28725 | CETIN-AS - CETIN a.s., CZ | 133,888 | 38,654,705,664 |
| AS28892 | CUZK-NET - Cesky urad zememericky a katastralni, CZ | 256 | 65,536 |
| AS28905 | BECOLINK-AS - BECO Link,spol.s.r.o., CZ | 7,168 | 0 |
| AS28972 | MSOFT-AS - M-SOFT, spol. s r.o., CZ | 12,800 | 68,719,476,736 |
| AS29086 | GITY-AS - GiTy, a.s., CZ | 4,096 | 4,294,967,296 |
| AS29134 | IGNUM-AS - Webglobe, s.r.o., CZ | 20,992 | 43,218,108,416 |
| AS29208 | QUANTCOM-AS - Quantcom, a.s., CZ | 255,488 | 12,884,901,888 |
| AS29321 | CentroNetAS - O2 Czech Republic, a.s., CZ | 15,360 | 4,294,967,296 |
| AS29504 | LBCFREE - Freenet Liberec, z.s., CZ | 1,024 | 34,359,738,368 |
| AS29583 | UNIENT-AS - Spinoco Czech Republic, a.s., CZ | 6,144 | 0 |
| AS30738 | NETART-AS - NetArt Group s.r.o., CZ | 512 | 2,147,483,648 |
| AS30764 | PODA-AS - PODA a.s., CZ | 222,208 | 8,589,934,592 |
| AS31246 | NETBOX-AS - O2 Czech Republic, a.s., CZ | 66,560 | 42,949,672,960 |
| AS31349 | a-net - a-net Liberec s.r.o., CZ | 5,120 | 34,359,738,368 |
| AS31461 | MORAVIA-IT-AS - Moravia IT s.r.o., CZ | 2,048 | 0 |
| AS33883 | TRIONET-CZ-AS - TRIOPTIMUM s.r.o., CZ | 7,168 | 34,359,738,368 |
| AS33943 | CBEZDRAT-AS - Eri Internet s.r.o., CZ | 8,192 | 34,359,738,368 |
| AS34040 | CZTTNET-AS - TTNET s.r.o., CZ | 13,312 | 4,294,967,296 |
| AS34049 | WOSACZ-AS - H-data, spol. s r.o., CZ | 2,048 | 34,359,738,368 |
| AS34080 | MIRAMO-AS - MIRAMO spol. s.r.o., CZ | 11,264 | 4,294,967,296 |
| AS34222 | ZONER-AS - ZONER a.s., CZ | 6,144 | 4,294,967,296 |
| AS34315 | MAXNET-AS - Quantcom, a.s., CZ | 12,288 | 4,294,967,296 |
| AS34475 | Agrostroj - Agrostroj Pelhrimov, a.s., CZ | 1,024 | 0 |
| AS34487 | southpraguenet - SouthPrague.Net, z.s., CZ | 256 | 34,359,738,368 |
| AS34596 | HVfree - HVfree.net servis. s.r.o., CZ | 512 | 34,359,738,368 |
| AS34819 | h17 - H17 Networks, s.r.o., CZ | 1,024 | 34,359,738,368 |
| AS34911 | ASELDATA - ELDATA prazska s.r.o., CZ | 3,584 | 0 |
| AS34955 | ASVICENIK - Martin Vicenik, CZ | 3,072 | 0 |
| AS35046 | OMEGAPLUS-AS - OMEGA plus Chrudim s.r.o., CZ | 7,168 | 4,294,967,296 |
| AS35096 | ALEFNULA - Alef Nula a.s., CZ | 1,024 | 65,536 |
| AS35236 | AS35236 - UVT Internet s.r.o., CZ | 10,496 | 55,834,640,384 |
| AS35592 | COOLHOUSING-AS - Coolhousing s.r.o., CZ | 12,544 | 4,295,163,904 |
| AS35613 | NETDATACOMM - NetDataComm, s.r.o., CZ | 9,216 | 4,294,967,296 |
| AS38952 | MAFRA-CZ-AS - MAFRA, a.s., CZ | 2,048 | 0 |
| AS39050 | NETSERVICE-AS - NET service solution, s.r.o., CZ | 256 | 34,359,738,368 |
| AS39392 | SuperNetwork - SH.cz s.r.o., CZ | 31,744 | 73,014,509,568 |
| AS39453 | UZIS-AS - Ustav zdravotnickych informaci a statistiky Ceske republiky, CZ | 256 | 0 |
| AS39455 | Tlapnet-SK-AS - Jiri Tlapak, CZ | 1,024 | 0 |
| AS39736 | ICTSUPPORT - ICT Support, s.r.o., CZ | 1,024 | 34,359,738,368 |
| AS39761 | ABAK - ABAK, Co.Ltd., CZ | 10,240 | 38,654,705,664 |
| AS39790 | WEB4U - Web4U s.r.o., CZ | 5,120 | 4,294,967,296 |
| AS39791 | TPS-AS - Telco Pro Services, a. s., CZ | 18,688 | 4,295,032,832 |
| AS39817 | OVANET - OvaNet, a.s., CZ | 4,352 | 4,294,967,296 |
| AS39904 | MERIT-AS - MERIT GROUP a.s, CZ | 4,096 | 4,294,967,296 |
| AS39906 | COPROSYS - CoProSys a.s., CZ | 37,376 | 4,295,032,832 |
| AS40964 | ASTELNET - ASTELNET s.r.o., CZ | 768 | 0 |
| AS41030 | ASNOVOTNYCZ - Jaroslav Novotny, CZ | 1,792 | 0 |
| AS41046 | NEJTV-AS - O2 Czech Republic, a.s., CZ | 32,768 | 34,359,803,904 |
| AS41088 | CZNSYS - "N_SYS s.r.o.", CZ | 9,216 | 4,295,032,832 |
| AS41359 | TELEFONZENTRALE-AS - Telefonzentrale s.r.o., CZ | 256 | 0 |
| AS41453 | TRESTEL-CZ-ASN - SITEL spol. s r.o., CZ | 5,120 | 38,654,705,664 |
| AS41670 | HKFREE-AS - hkfree.org z.s., CZ | 5,120 | 34,359,738,368 |
| AS41779 | LAJSINET - LajsiNET s.r.o., CZ | 1,024 | 34,359,738,368 |
| AS42000 | KAORA - Futruy s.r.o., CZ | 7,424 | 34,359,738,368 |
| AS42189 | EUROSIGNAL-AS - Druzstvo EUROSIGNAL, CZ | 7,168 | 34,359,738,368 |
| AS42306 | EDERA_Group - Edera Group a.s., CZ | 20,480 | 137,438,953,472 |
| AS42422 | SECURITYNET-AS - SecurityNet.cz s.r.o., CZ | 2,816 | 4,295,032,832 |
| AS42726 | BUSINESSCOM - BusinessCom CZ spol. s r.o., CZ | 1,536 | 0 |
| AS42908 | CZ-NORDICTELECOMREGIONAL - O2 Czech Republic, a.s., CZ | 183,296 | 163,208,822,784 |
| AS43037 | SEZNAM-CZ - Seznam.cz, a.s., CZ | 3,072 | 4,294,967,296 |
| AS43070 | JAW-AS - JAW.cz s.r.o., CZ | 9,728 | 12,884,901,888 |
| AS43413 | ASNEW - NEW TELEKOM, spol. s r.o., CZ | 6,144 | 34,359,738,368 |
| AS43500 | WBD-AS - HBO Europe s.r.o., CZ | 1,024 | 262,144 |
| AS43507 | RETE-AS - RETE internet, s.r.o., CZ | 8,192 | 0 |
| AS43523 | DESIGN-AS - A.T.S. INTERNATIONAL s.r.o, CZ | 1,024 | 0 |
| AS43541 | VSHOSTING - VSHosting s.r.o., CZ | 18,176 | 42,949,804,032 |
| AS43542 | OptoNet-AS - OptoNet Communication, spol. s.r.o., CZ | 9,216 | 4,294,967,296 |
| AS43614 | ECONOMIA-CZ - Economia a.s., CZ | 3,072 | 4,294,967,296 |
| AS43708 | METRONET - DATAMAT CZ s.r.o., CZ | 16,384 | 0 |
| AS43709 | SILESNET - SilesNet s.r.o., CZ | 8,192 | 4,294,967,296 |
| AS43757 | ICZAS-CZ - ICZ a.s., CZ | 2,304 | 65,536 |
| AS43866 | ALTRON - Altron a.s., CZ | 512 | 0 |
| AS44002 | SYS-DATACOM - Sys-DataCom s.r.o., CZ | 3,072 | 4,294,967,296 |
| AS44065 | NETAIR-AS - NETAIR, s.r.o., CZ | 6,144 | 34,359,738,368 |
| AS44070 | MCnet-AS - O2 Czech Republic, a.s., CZ | 4,096 | 34,359,738,368 |
| AS44104 | LCJ-AS - LCJ Invest, a.s., CZ | 256 | 0 |
| AS44424 | AS44424 - Allegro Retail a.s., CZ | 2,048 | 4,294,967,296 |
| AS44430 | MaRcom-Eko-AS - MaRcom-Eko s.r.o., CZ | 2,048 | 0 |
| AS44489 | Starnet - STARNET, s.r.o., CZ | 64,256 | 115,964,116,992 |
| AS44500 | vlasimnet - Vlasimnet s.r.o., CZ | 2,048 | 4,294,967,296 |
| AS44546 | ALFATELECOM-AS - ALFA TELECOM s.r.o., CZ | 526,848 | 0 |
| AS44712 | eHAMnet-AS - eHAMnet, s.r.o., CZ | 2,048 | 34,359,738,368 |
| AS44770 | SAVVY-AS - Savvy s.r.o., CZ | 1,024 | 65,536 |
| AS44984 | Fortion - Fortion Networks, s.r.o., CZ | 1,024 | 4,294,967,296 |
| AS46553 | AS46553 - AS46553 s.r.o., CZ | 0 | 65,536 |
| AS47110 | CLOUD4COM-AS - Cloud4com s.r.o., CZ | 4,608 | 4,294,967,296 |
| AS47114 | ZLINNET - SychrovNET s.r.o, CZ | 6,144 | 4,294,967,296 |
| AS47131 | PH - PH, spol. s r. o., CZ | 2,048 | 0 |
| AS47232 | ISPAlliance - ISP Alliance a.s., CZ | 21,760 | 103,079,215,104 |
| AS47269 | HLUCIN-NET-AS - Core4Net, s.r.o., CZ | 4,096 | 34,359,738,368 |
| AS47317 | WEB4CE - Web4ce, s.r.o., CZ | 3,072 | 34,359,738,368 |
| AS47493 | WMS-AS - WMS s.r.o., CZ | 8,192 | 4,294,967,296 |
| AS47681 | RIOMEDIA - O2 Czech Republic, a.s., CZ | 1,024 | 0 |
| AS47727 | WARNETCZ-AS - Warnet.cz s.r.o., CZ | 1,024 | 4,294,967,296 |
| AS47749 | ORIFLAME-AS - ORIFLAME SOFTWARE s.r.o., CZ | 1,024 | 65,536 |
| AS47767 | RCO-AS - Regionalni centrum Olomouc s.r.o., CZ | 2,048 | 4,294,967,296 |
| AS47834 | SOFTEXNCP-AS - SOFTEX NCP, s.r.o., CZ | 11,264 | 34,359,738,368 |
| AS47868 | SUPRO-AS - SUPRO, spol. s r.o., CZ | 4,096 | 4,294,967,296 |
| AS47949 | GSNETCZ - gsnet.cz s.r.o., CZ | 2,048 | 0 |
| AS48091 | ROWANet-AS - Kraj Vysocina, CZ | 1,024 | 4,295,032,832 |
| AS48131 | IXOXI - IXOXI s.r.o., CZ | 512 | 8,589,934,592 |
| AS48298 | GOVCZ - MINISTERSTVO VNITRA CR, CZ | 3,072 | 4,294,967,296 |
| AS48364 | ACVYSKOV-AS - Radim Pytela trading as AC Vyskov, CZ | 3,072 | 4,294,967,296 |
| AS48405 | CGI-CZ-AS1 - CGI IT Czech Republic s.r.o., CZ | 256 | 0 |
| AS48417 | ITS-CZ - ITS akciova spolecnost, CZ | 4,096 | 4,294,967,296 |
| AS48451 | PRE-AS - Prazska energetika, a.s., CZ | 2,048 | 4,294,967,296 |
| AS48574 | ASN-CZ-PLANET-A-48574 - T-Mobile Czech Republic a.s., CZ | 9,216 | 0 |
| AS48602 | CONNECTPLUS - Connect plus s.r.o., CZ | 1,024 | 34,359,738,368 |
| AS48661 | AIRWAYNET - AIRWAYNET, a.s., CZ | 5,120 | 4,294,967,296 |
| AS48889 | GLOBECORP-AS-CZ - GLOBECORP a.s., CZ | 1,024 | 0 |
| AS48926 | PE3NY-AS - Pe3ny Net s.r.o., CZ | 11,264 | 8,589,934,592 |
| AS48960 | MORAVANET - AQUA,a.s., CZ | 1,280 | 4,294,967,296 |
| AS49013 | Fusion_Media - Fusion Media, s.r.o., CZ | 1,280 | 0 |
| AS49025 | PROZETA-NET - PRO-ZETA a.s., CZ | 3,328 | 268,435,456 |
| AS49095 | P12com - PRAHA12.com s.r.o., CZ | 1,024 | 34,359,738,368 |
| AS49101 | KTCT-ASN - KABELOVA TELEVIZE CZ s.r.o., CZ | 16,384 | 8,589,934,592 |
| AS49121 | INFTELE-AS - Infinity Telecom, s.r.o., CZ | 6,144 | 524,288 |
| AS49142 | HBO - HBO Europe s.r.o., CZ | 512 | 0 |
| AS49244 | SCANCOM - Scancom s.r.o., CZ | 256 | 34,359,738,368 |
| AS49262 | ATCCZ1 - Ataccama Software, s.r.o., CZ | 256 | 34,359,738,368 |
| AS49573 | ASJIMMY - JimmyNet s.r.o., CZ | 1,024 | 34,359,738,368 |
| AS49580 | MONETPLUS-AS - Monet +, a.s., CZ | 512 | 0 |
| AS49767 | INTERNETPB-AS - O2 Czech Republic, a.s., CZ | 5,120 | 4,294,967,296 |
| AS49890 | ADA-NET-AS - ABLE agency, s.r.o., CZ | 4,096 | 34,359,738,368 |
| AS49985 | IP4ISP - IP4ISP z.s.p.o, CZ | 17,408 | 4,294,967,296 |
| AS50067 | cesal - CESAL s.r.o., CZ | 1,024 | 34,359,738,368 |
| AS50097 | IPVOIP-AS - IPVOIP s.r.o., CZ | 256 | 0 |
| AS50163 | altnet-skvelynet - Altnet s.r.o., CZ | 2,048 | 4,294,967,296 |
| AS50301 | ASN-BRAZDIMNET - BrazdimNET s.r.o., CZ | 2,304 | 0 |
| AS50338 | GAMERHOST - GamerHost s.r.o., CZ | 768 | 4,294,967,296 |
| AS50348 | KVADOS - KVADOS, a.s., CZ | 2,048 | 4,294,967,296 |
| AS50398 | FASTCOMMUNICATIONS - Fast Communication, s.r.o., CZ | 3,072 | 65,536 |
| AS50415 | Ahosting - Ahosting a.s., CZ | 1,024 | 34,359,738,368 |
| AS50695 | VLP-AS - VLTAVA LABE MEDIA a.s., CZ | 512 | 65,536 |
| AS50698 | TETA - TETA s.r.o., CZ | 11,264 | 34,359,738,368 |
| AS50784 | intraweb - Intraweb servis s.r.o., CZ | 1,024 | 34,359,738,368 |
| AS50825 | UVT - UVT Internet s.r.o., CZ | 7,168 | 34,359,738,368 |
| AS50833 | FIBERTEL-AS - FIBER TELECOM s.r.o., CZ | 256 | 262,144 |
| AS50971 | JHCOMP-AS - JHComp s.r.o., CZ | 2,048 | 4,294,967,296 |
| AS50975 | AVX_AS - KYOCERA AVX Components s.r.o., CZ | 2,048 | 0 |
| AS50980 | net3 - cloudinfrastack, s.r.o., CZ | 1,024 | 0 |
| AS51025 | CONNECT-TST-AS - VSHosting s.r.o., CZ | 256 | 0 |
| AS51134 | INTACTO-AS - Development 777 s.r.o., CZ | 1,792 | 34,359,803,904 |
| AS51210 | KRAXNET-AS - KRAXNET s.r.o., CZ | 2,048 | 65,536 |
| AS51248 | HOST-TELECOM - Host-Telecom.com s.r.o., CZ | 11,520 | 4,295,229,440 |
| AS51278 | IGNUM-ANYCAST-AS - Webglobe, s.r.o., CZ | 256 | 65,536 |
| AS51331 | ModernTV - SychrovNET s.r.o, CZ | 1,536 | 50,331,648 |
| AS51382 | COMANET-NETWORK - Ing. Leos Janouch, CZ | 1,024 | 65,536 |
| AS51400 | ASSPOJENET - SPOJE.NET s.r.o., CZ | 2,048 | 65,536 |
| AS51420 | CYRILEK-AS - cyrilek.net z.s., CZ | 8,704 | 0 |
| AS51424 | ASAGNET - Jiri Sperl, CZ | 1,792 | 0 |
| AS51449 | KTUO-AS - Kabelova televize Usti nad Orlici, spol. s r. o., CZ | 1,024 | 4,294,967,296 |
| AS51463 | ASFAJNCOMCZ - FAJNCOM s.r.o., CZ | 256 | 0 |
| AS51521 | ASKMNET - Resident Control Telco s.r.o., CZ | 512 | 0 |
| AS51524 | ASNETDELUXE - Ales Tesacek, CZ | 2,048 | 0 |
| AS51586 | SERVERZONECZ - ServerZone s.r.o., CZ | 1,280 | 8,589,934,592 |
| AS51661 | ALLSTARNET - Allstar Net s.r.o., CZ | 1,024 | 4,294,967,296 |
| AS51727 | SKODAPOWER-AS - Doosan Skoda Power s.r.o, CZ | 512 | 0 |
| AS51744 | ASJABLONKA - Non-profit organization Jablonka.cz, CZ | 1,024 | 65,536 |
| AS51800 | FIBERNET-ASN - FIBER Network s.r.o., CZ | 2,048 | 4,294,967,296 |
| AS51968 | NEOS-AS - NEOS v.o.s., CZ | 4,096 | 0 |
| AS52029 | ASNOVOSEDLY - Palanet s.r.o., CZ | 2,048 | 0 |
| AS52058 | petrkovice_net - za200.cz s.r.o., CZ | 2,560 | 0 |
| AS52084 | ATLELEKTROCZ - ISP Alliance a.s., CZ | 2,048 | 0 |
| AS52092 | ALFSERVIS-AS - Alf servis, s.r.o., CZ | 4,608 | 65,536 |
| AS52115 | JARONET-AS - JaroNet - services s.r.o., CZ | 4,096 | 68,719,476,736 |
| AS52130 | ARTCOMPANYCZ - LiveSport s.r.o., CZ | 2,048 | 4,294,967,296 |
| AS52154 | ASMJANIK - mjanik.net s.r.o., CZ | 2,048 | 0 |
| AS52176 | TTC-CZ - TTC TELEKOMUNIKACE s.r.o., CZ | 1,536 | 4,294,967,296 |
| AS54444 | AS54444 - AS54444 s.r.o., CZ | 256 | 65,536 |
| AS56344 | ASVIRIDIUM - Viridium.cz s.r.o., CZ | 1,024 | 65,536 |
| AS56353 | FIRSTLINE-AS - First Line Software s.r.o., CZ | 1,024 | 0 |
| AS56360 | MSTR-AS - TRINITY CZECH REPUBLIC, s.r.o., CZ | 4,096 | 34,359,738,368 |
| AS56427 | ASHRADIL - Michal Hradil, CZ | 2,048 | 0 |
| AS56450 | ALBERON_AS - Alberon Letohrad s.r.o, CZ | 4,096 | 34,359,738,368 |
| AS56456 | C2NET - C2NET s.r.o., CZ | 4,096 | 34,359,738,368 |
| AS56566 | SATT-AS - SATT a.s., CZ | 8,192 | 4,294,967,296 |
| AS56624 | ASRTYNENET - Rtyne.net s.r.o., CZ | 3,072 | 0 |
| AS56717 | RESAL-AS - OG Soft s.r.o., CZ | 256 | 65,536 |
| AS56821 | knvnet1-as - KnVnet services s.r.o., CZ | 2,048 | 8,589,934,592 |
| AS56827 | ASMIRNETCZ - mirnet s.r.o., CZ | 1,024 | 0 |
| AS56891 | ASCZRB - Narodni rozvojova banka, a.s., CZ | 256 | 0 |
| AS56973 | VITSOL - VITKOVICE IT SOLUTIONS a.s., CZ | 3,072 | 0 |
| AS57007 | ASNITEX - NITEX ISP s.r.o., CZ | 1,024 | 65,536 |
| AS57077 | AB-NET - AB-NET s.r.o., CZ | 3,072 | 4,294,967,296 |
| AS57081 | SCARFBOT - Scarfbot Technologies, s.r.o., CZ | 1,024 | 34,359,738,368 |
| AS57188 | RNET-AS - ORKA systems, s.r.o., CZ | 4,096 | 4,294,967,296 |
| AS57279 | SAURONNET - Sauron CZ s.r.o., CZ | 4,096 | 4,294,967,296 |
| AS57287 | OTAVANET-AS - OtavaNet s.r.o., CZ | 4,096 | 65,536 |
| AS57288 | ASSTAMPI - StaMPi, spol. s r.o., CZ | 2,048 | 65,536 |
| AS57294 | Internet_Expert_CZ - Internet Expert s.r.o., CZ | 4,096 | 65,536 |
| AS57472 | JRNET - JR-NET, s.r.o., CZ | 768 | 4,294,967,296 |
| AS57496 | PRAHA1NET-AS - Praha1.net z.s.p.o., CZ | 4,096 | 4,295,032,832 |
| AS57560 | ASXLNET - XLNET s.r.o., CZ | 1,024 | 65,536 |
| AS57707 | GREENDATA - Greendata s.r.o., CZ | 3,584 | 65,536 |
| AS57728 | TELIN-AS - Telco Infrastructure, s.r.o., CZ | 15,360 | 12,884,901,888 |
| AS57823 | ASKKNET - Libor Kotoucek, CZ | 2,048 | 65,536 |
| AS57825 | MoravanyNET-AS - MoravanyNET s.r.o., CZ | 1,280 | 4,294,967,296 |
| AS57904 | ASVEVYNET - Vevynet s.r.o., CZ | 1,024 | 0 |
| AS58220 | PEGASNET - Tomas Budai, CZ | 1,024 | 4,294,967,296 |
| AS58239 | ASHANSPAULCITY - hanspaul-city.net s.r.o., CZ | 1,536 | 17,179,869,184 |
| AS59479 | ASGEMNET - GEMNET s.r.o., CZ | 6,144 | 65,536 |
| AS59664 | ASOPTON - Opton s.r.o., CZ | 1,024 | 0 |
| AS59747 | NIX-DR - NIX.CZ z.s.p.o., CZ | 0 | 65,536 |
| AS59871 | HEUREKA_GROUP - Heureka Group a.s., CZ | 1,024 | 327,680 |
| AS59925 | GIGASERVER - Seonet Multimedia s.r.o., CZ | 1,024 | 4,294,967,296 |
| AS59959 | SFERIA - SferiaNET.cz s.r.o., CZ | 4,096 | 34,359,738,368 |
| AS59970 | AMIGONET - AmigoNet s.r.o., CZ | 3,072 | 68,719,476,736 |
| AS59984 | KLFREE-NETWORKS - KLFREE NETWORKS, s.r.o., CZ | 2,048 | 4,294,967,296 |
| AS60086 | VALVERA - Valvera s.r.o., CZ | 1,024 | 4,294,967,296 |
| AS60218 | ASIT8 - IT8 - Informacni technologie s.r.o., CZ | 256 | 65,536 |
| AS60266 | EMBEDIT-AS - EmbedIT s.r.o., CZ | 512 | 4,294,967,296 |
| AS60275 | AS_RVTECH - RVTech s.r.o., CZ | 0 | 65,536 |
| AS60529 | PRASLAVICENET - Miroslav Klement, CZ | 2,048 | 0 |
| AS60584 | PRIME-AS - Prime Studio s.r.o., CZ | 256 | 34,359,738,368 |
| AS60592 | GRANSY - Gransy s.r.o., CZ | 5,120 | 12,884,901,888 |
| AS60606 | Blindspot - PRO-ZETA a.s., CZ | 1,792 | 4,295,032,832 |
| AS60724 | SICUROCZ - Sicuro Services s. r. o., CZ | 256 | 0 |
| AS60727 | K2-cloud - K2 atmitec s.r.o., CZ | 1,024 | 0 |
| AS61110 | SITMP - Sprava informacnich technologii mesta Plzne, p.o., CZ | 1,024 | 34,359,738,368 |
| AS61296 | TechCom-AS - TechCom s.r.o., CZ | 17,408 | 4,294,967,296 |
| AS61425 | MLADAFRONTA - AdminIT, s. r. o., CZ | 1,024 | 0 |
| AS61981 | MACH3NET - KLFREE NETWORKS, s.r.o., CZ | 0 | 4,294,967,296 |
| AS62011 | ASUNHFREE - UNHfree.net z.s., CZ | 2,048 | 0 |
| AS62083 | FIO-BANKA-AS - Fio banka, a.s., CZ | 512 | 65,536 |
| AS62099 | JMNET - JM-Net, z.s., CZ | 4,096 | 34,359,738,368 |
| AS62102 | ISE-AS - Prazska plynarenska, a.s., CZ | 1,024 | 4,294,967,296 |
| AS62159 | ASHAPPY - Happy Technik s.r.o., CZ | 1,024 | 0 |
| AS62178 | Master_IT_Technologies - MASTER IT Technologies, a.s., CZ | 3,072 | 1,073,741,824 |
| AS62298 | CSC - Computer Systems Consulting s.r.o., CZ | 256 | 34,359,738,368 |
| AS62405 | Brouzdal - Brouzdal, s.r.o., CZ | 1,024 | 4,294,967,296 |
| AS63113 | GLOBECORP-NETWORKS - Globecorp Networks, CZ | 2,048 | 0 |
| AS196653 | ASBESTNETCZ - BEST-NET s.r.o., CZ | 1,536 | 65,536 |
| AS196684 | VITALATIV-CZ-AS - VITALATIV, s.r.o., CZ | 2,048 | 0 |
| AS196735 | AS-JONCZ - JON.CZ s.r.o., CZ | 17,408 | 4,294,967,296 |
| AS196762 | ASALKOM - ALKOM Security, a.s., CZ | 256 | 0 |
| AS196815 | LANSERVIS-AS - LAN servis s.r.o., CZ | 2,048 | 0 |
| AS196822 | SELECTSYSTEM-AS - SELECT SYSTEM, s.r.o., CZ | 16,384 | 4,294,967,296 |
| AS196843 | KHNET - KHnet.info, z.s., CZ | 5,120 | 4,294,967,296 |
| AS196849 | ASBARTYSOVA - MO BYRTUS s.r.o., CZ | 256 | 0 |
| AS196861 | DIGIACT-AS - DIGITAL ACTION s.r.o., CZ | 3,072 | 4,294,967,296 |
| AS196873 | NETLANCERS-AS - Netlancers s.r.o., CZ | 2,048 | 0 |
| AS196916 | BUSINESSCOM-AS - BusinessCom CZ spol. s r.o., CZ | 1,024 | 0 |
| AS196943 | ASVISSADO - Vissado s.r.o., CZ | 256 | 65,536 |
| AS196952 | ASBEZVANET - BEZVANET s.r.o., CZ | 1,024 | 4,295,032,832 |
| AS197013 | SPRINTEL-SRO - Sprintel s.r.o., CZ | 12,288 | 4,294,967,296 |
| AS197019 | WEDOS - WEDOS Internet, a.s., CZ | 10,240 | 4,294,967,296 |
| AS197029 | LAM-AS - LAM plus s.r.o., CZ | 4,096 | 8,589,934,592 |
| AS197046 | AS_FIXNET - FIXnet s.r.o., CZ | 3,072 | 4,294,967,296 |
| AS197083 | K2ATMITEC - K2 atmitec s.r.o., CZ | 2,048 | 0 |
| AS197197 | M-NET - Nova Optika s. r. o., CZ | 16,384 | 4,294,967,296 |
| AS197206 | EU1-BUSINESSCOM - BusinessCom CZ spol. s r.o., CZ | 2,560 | 4,294,967,296 |
| AS197277 | SUKL_AS - State Institute for Drug Control, CZ | 2,048 | 4,294,967,296 |
| AS197296 | UNITED_NETWORKS_SE - United Networks SE, CZ | 6,656 | 34,359,738,368 |
| AS197307 | bnet-internet_cz - Core4Net, s.r.o., CZ | 5,376 | 4,294,967,296 |
| AS197353 | INGMS_CZ - NN Management Services, s.r.o., CZ | 512 | 0 |
| AS197393 | ASRUDOLFNET - ISP Alliance a.s., CZ | 2,048 | 34,359,738,368 |
| AS197412 | ASBESKYDNET - Jiri Tlapak, CZ | 1,024 | 0 |
| AS197444 | COMFEEL - COMFEEL s.r.o., CZ | 1,280 | 34,359,803,904 |
| AS197451 | VUTBR-AS - Brno University of Technology, CZ | 67,072 | 55,834,836,992 |
| AS197542 | COMUNITED - Jan Saulich, CZ | 2,048 | 0 |
| AS197550 | ASINET4YOU - Internet4you.cz, spol. s r.o., CZ | 4,096 | 0 |
| AS197565 | ASDIGISERVICE - NHK Solutions s.r.o., CZ | 2,048 | 0 |
| AS197566 | ASOKNET - Livady s.r.o., CZ | 256 | 0 |
| AS197694 | MEPNET-AS - Municipal Office of the City Prague, CZ | 1,536 | 0 |
| AS197698 | DHT_Systems - D-H-T SYSTEMS s.r.o., CZ | 512 | 0 |
| AS197798 | NET-CONNECT - Net-Connect s.r.o., CZ | 9,216 | 34,359,738,368 |
| AS197846 | SAOCOMP-AS - Radovan Ochvat trading as SAO Computers, CZ | 4,096 | 0 |
| AS197875 | UNIPETROLRPA - ORLEN Unipetrol RPA s.r.o., CZ | 256 | 0 |
| AS197879 | HELAPC - HelaPC s.r.o., CZ | 3,328 | 68,719,476,736 |
| AS197895 | ONYX-AS - ONYX engineering, spol. s r.o., CZ | 1,024 | 4,294,967,296 |
| AS197920 | SKODA-ICT - SKODA ICT s.r.o., CZ | 1,280 | 0 |
| AS197963 | NET-JVIT - Jiri Vitak, CZ | 0 | 4,521,984 |
| AS198002 | CEZNET-AS - CEZNET s.r.o., CZ | 8,192 | 4,294,967,296 |
| AS198031 | TRUSTICA-AS - Trustica s.r.o., CZ | 1,024 | 4,294,967,296 |
| AS198101 | KOOPERATIVA-AS - Kooperativa pojistovna, a.s., Vienna Insurance Group, CZ | 2,048 | 68,719,476,736 |
| AS198103 | CCS-CZ - CCS Ceska spolecnost pro platebni karty s.r.o., CZ | 512 | 0 |
| AS198121 | DNS4EU - Whalebone, s.r.o., CZ | 256 | 65,536 |
| AS198143 | CESKAPOSTA-AS - Ceska Posta s.p., CZ | 512 | 65,536 |
| AS198161 | CZ-SUAS - Sokolovska uhelna, pravni nastupce, a.s., CZ | 3,072 | 4,294,967,296 |
| AS198167 | AppToCloud - Apptc.me s.r.o., CZ | 3,072 | 4,294,967,296 |
| AS198171 | WebglobeRS - Webglobe, s.r.o., CZ | 1,024 | 4,294,967,296 |
| AS198248 | ASCSERVIS - Richard Filip, CZ | 2,048 | 0 |
| AS198282 | cablenet - CAH Building s.r.o., CZ | 2,048 | 4,294,967,296 |
| AS198284 | ASBYSTRICE - Mesto Velka Bystrice, CZ | 1,024 | 65,536 |
| AS198346 | NETFORMS-AS - NETFORMS s.r.o., CZ | 1,024 | 0 |
| AS198494 | PREGIS - PREGIS, a.s, CZ | 256 | 65,536 |
| AS198500 | MUNINET-AS - Masarykova univerzita - Ustav vypocetni techniky, CZ | 4,096 | 4,294,967,296 |
| AS198519 | RBcz - Raiffeisenbank a.s., CZ | 512 | 0 |
| AS198605 | AVAST-AS-DC - AVAST Software s.r.o., CZ | 19,712 | 83,951,616 |
| AS198627 | SHOPTET - Shoptet, a.s., CZ | 512 | 65,536 |
| AS198668 | Tlapnet - Tlapnet s.r.o., CZ | 12,032 | 34,359,803,904 |
| AS198725 | ULTIMUM-AS - Ultimum Technologies a.s., CZ | 1,280 | 34,359,738,368 |
| AS198813 | SychrovNET - SychrovNET s.r.o, CZ | 5,632 | 4,294,967,296 |
| AS198814 | ASALPHASTYLSOFT - ALPHA StylSoft, s.r.o., CZ | 1,024 | 4,294,967,296 |
| AS198977 | UNART - UnArtel s.r.o., CZ | 2,560 | 17,179,869,184 |
| AS198991 | TV_NOVA_SRO - TV Nova sro, CZ | 4,096 | 0 |
| AS199059 | MauriceWard - Maurice Ward & Co., s.r.o., CZ | 256 | 0 |
| AS199220 | KRS-AS-CZ - KrU Stredoceskeho kraje, CZ | 768 | 65,536 |
| AS199298 | GIGANETcz - Jan Stetina, CZ | 1,024 | 4,294,967,296 |
| AS199350 | mfcr - Ministerstvo financi, CZ | 1,024 | 4,294,967,296 |
| AS199405 | OSLAVANY-NET-AS - Oslavany.NET, spolek, CZ | 1,024 | 4,294,967,296 |
| AS199490 | INTERCONNECT - INTERCONNECT s.r.o., CZ | 1,024 | 4,294,967,296 |
| AS199600 | Virtis - Virtis s.r.o., CZ | 1,024 | 34,359,738,368 |
| AS199604 | KU-AS - OLOMOUCKY KRAJ, CZ | 256 | 65,536 |
| AS199657 | TOUSKOVNET - TNtech, s.r.o., CZ | 3,072 | 0 |
| AS199665 | RADIOLINKplus1-NETWORK - Hana Juzkova, CZ | 256 | 65,536 |
| AS199711 | NCISA-AS - National Cyber and Information Security Agency, CZ | 768 | 4,294,967,296 |
| AS199722 | SBERBANKCZ - Sberbank CZ, a.s. v likvidaci, CZ | 1,024 | 0 |
| AS199803 | ComSource - ComSource s.r.o., CZ | 1,536 | 4,294,967,296 |
| AS199806 | DCIT-AS-CZ - DCIT, a.s., CZ | 256 | 65,536 |
| AS200059 | AIRWEB - ISP Alliance a.s., CZ | 3,072 | 0 |
| AS200070 | CZNIC-AS2 - CZ.NIC, z.s.p.o., CZ | 1,280 | 327,680 |
| AS200114 | PROCOM - JON.CZ s.r.o., CZ | 2,048 | 0 |
| AS200449 | QRATOR-CZ - Qrator Labs CZ s.r.o., CZ | 0 | 851,968 |
| AS200474 | CRFreeNet - CRFreeNet, z.s., CZ | 512 | 4,294,967,296 |
| AS200600 | SEZNAM-CZ-DC - Seznam.cz datova centra, s.r.o., CZ | 1,024 | 34,359,738,368 |
| AS200635 | pragmatel - pragmatel s.r.o., CZ | 1,024 | 4,294,967,296 |
| AS200646 | BHSEC-PRG - BH securities, a.s., CZ | 256 | 0 |
| AS200678 | Arenis - Komplet NET s.r.o., CZ | 256 | 0 |
| AS200806 | bee - BOHEMIA ENERGY entity s.r.o., CZ | 512 | 0 |
| AS200828 | THOSTING-AS - TERMS a.s., CZ | 1,024 | 34,359,738,368 |
| AS200844 | SA-AS - STUDENT AGENCY k.s., CZ | 1,024 | 34,359,738,368 |
| AS200848 | luminet2 - ISP Alliance a.s., CZ | 2,048 | 0 |
| AS200874 | LBC-AS-CZ - Liberecky kraj, CZ | 1,024 | 4,294,967,296 |
| AS200918 | ORELSOFT - Pavel Zizka, CZ | 5,376 | 34,359,738,368 |
| AS200985 | BOKNET - BOK*Net, z.s., CZ | 0 | 4,294,967,296 |
| AS201116 | VybezekNET - Vybezek.NET s.r.o., CZ | 1,024 | 34,359,738,368 |
| AS201163 | KB-AS-CZ - Komercni banka, a.s., CZ | 1,024 | 0 |
| AS201263 | AS-BRIX-CDN - Brno University of Technology, CZ | 256 | 65,536 |
| AS201265 | ANAFRA-AS - ANAFRA a.s., CZ | 768 | 4,294,967,296 |
| AS201348 | sizeknet - SIZEK Networks s.r.o, CZ | 256 | 34,359,738,368 |
| AS201447 | AS_CNB - The Czech National Bank, CZ | 1,024 | 0 |
| AS201464 | ok-net - ISP Alliance a.s., CZ | 256 | 0 |
| AS201476 | Wolfnet - ISP Alliance a.s., CZ | 8,704 | 34,359,738,368 |
| AS201533 | UNITED_NETWORKS_SE - United Networks SE, CZ | 1,024 | 0 |
| AS201548 | Milan_Zelenka - Milan Zelenka, CZ | 2,048 | 0 |
| AS201559 | UNITED_NETWORKS_SE - United Networks SE, CZ | 1,024 | 17,179,869,184 |
| AS201594 | CTU_AS4 - Czech Telecommunication Office, CZ | 256 | 4,294,967,296 |
| AS201608 | HovNet-AS - HovNet-SERVIS s.r.o., CZ | 1,024 | 4,294,967,296 |
| AS201625 | UNITED_NETWORKS_SE - United Networks SE, CZ | 1,024 | 34,359,738,368 |
| AS201648 | PLZ-AS-CZ - Plzensky kraj, CZ | 2,048 | 4,294,967,296 |
| AS201654 | WEBSOFT - CEZNET s.r.o., CZ | 2,048 | 17,179,869,184 |
| AS201727 | AS_BUBAKOV - Blond & Brown s.r.o., CZ | 2,048 | 16,777,216 |
| AS201730 | DataSpring - Cloud4com s.r.o., CZ | 6,400 | 4,294,967,296 |
| AS201811 | AUSTOLE - Austole s.r.o., CZ | 256 | 65,536 |
| AS201922 | amccomp-turany - mapnet IT services s.r.o., CZ | 256 | 131,072 |
| AS201931 | LBNET - LBnet.cz s.r.o., CZ | 512 | 4,294,967,296 |
| AS201934 | SATAN-NET - HD Internet s.r.o., CZ | 512 | 0 |
| AS202073 | ABS-ACLOUD-CLIENTS1 - Itego a.s., CZ | 256 | 0 |
| AS202131 | Wave-net - ISP Alliance a.s., CZ | 512 | 0 |
| AS202237 | WICNET-AS - Wic-Net, s.r.o., CZ | 8,192 | 4,294,967,296 |
| AS202522 | CZ-NORDICTELECOMREGIONAL - O2 Czech Republic, a.s., CZ | 256 | 0 |
| AS202551 | INERA - INERA.CZ s.r.o., CZ | 1,024 | 34,359,738,368 |
| AS202556 | ASKRIVONET - Spolek Krivonet, CZ | 1,024 | 0 |
| AS202605 | MORNet-CZ - EMPECOM, s.r.o., CZ | 1,024 | 34,359,738,368 |
| AS202618 | rychlydrat - Rychly drat, s.r.o., CZ | 5,120 | 34,359,738,368 |
| AS202643 | NETSERV-AS - NetSERV, s.r.o., CZ | 256 | 34,359,738,368 |
| AS202657 | Hnojnik - Pavel Jochim, CZ | 1,024 | 34,359,738,368 |
| AS202682 | geetoo-cz - Geetoo Technology s.r.o., CZ | 2,048 | 34,359,738,368 |
| AS202719 | PRANET - Pranet s.r.o., CZ | 1,024 | 4,294,967,296 |
| AS202733 | OKCOMP - OK COMP s.r.o., CZ | 0 | 65,536 |
| AS202774 | comtex - ISP Alliance a.s., CZ | 1,024 | 34,359,738,368 |
| AS202872 | KMENET - KME, spol. s r. o., CZ | 1,024 | 4,294,967,296 |
| AS202874 | ZL-AS-CZ - Zlinsky Kraj, CZ | 1,024 | 34,359,738,368 |
| AS202877 | vejnet - VEJNET.CZ s.r.o., CZ | 1,280 | 34,359,738,368 |
| AS202895 | TFnet - TFnet s.r.o., CZ | 5,120 | 34,359,738,368 |
| AS202921 | CC_INTERNET - CC INTERNET s.r.o., CZ | 3,072 | 34,359,738,368 |
| AS202948 | PL-FORTUNA-GAME-DC - FORTUNA GAME a.s., CZ | 512 | 0 |
| AS202979 | ngaservices - NGA Services, spol. s r.o., CZ | 1,024 | 34,359,738,368 |
| AS203018 | Pamico - PAMICO CZECH, s.r.o., CZ | 3,072 | 34,359,738,368 |
| AS203165 | SPCSS - Statni pokladna Centrum sdilenych sluzeb, s.p., CZ | 2,048 | 4,294,967,296 |
| AS203208 | CTU_AS4_2 - Czech Telecommunication Office, CZ | 768 | 30,064,771,072 |
| AS203299 | IHNET - Ivo Hazmuk, CZ | 256 | 4,294,967,296 |
| AS203328 | PVfreenet - PVfree.net, z. s., CZ | 1,024 | 34,359,738,368 |
| AS203365 | OPTETNETWORK - Optet network, s. r. o., CZ | 1,024 | 34,359,738,368 |
| AS203376 | MAILKIT - Mailkit s.r.o., CZ | 1,024 | 34,359,738,368 |
| AS203385 | asczpernix - Pernix systems s.r.o., CZ | 1,024 | 6,442,450,944 |
| AS203411 | FORTUNA-GAME-PUB - FORTUNA GAME a.s., CZ | 1,024 | 0 |
| AS203488 | DALUNET - DaLuNET s.r.o., CZ | 1,024 | 4,294,967,296 |
| AS203550 | I2NET - i2net cz s.r.o., CZ | 1,024 | 34,359,738,368 |
| AS203645 | RYZNAR-AS - Jan Ryznar, CZ | 1,024 | 201,392,128 |
| AS204007 | Kleissner - Kleissner Investments s.r.o., CZ | 1,024 | 34,359,738,368 |
| AS204064 | CEZNET - CEZNET s.r.o., CZ | 4,096 | 34,359,738,368 |
| AS204080 | MEG-AS - Apelby Solutions s.r.o., CZ | 1,024 | 0 |
| AS204113 | CSIS - Security Information Service, CZ | 256 | 0 |
| AS204165 | CZNETSRO-AS - Cznet s.r.o., CZ | 2,048 | 38,654,705,664 |
| AS204172 | TTCINFRA-CZ - TTC TELEKOMUNIKACE s.r.o., CZ | 512 | 0 |
| AS204332 | TKCSystem - TKC system s.r.o., CZ | 1,024 | 34,359,738,368 |
| AS204351 | NAM - NAM system, a.s., CZ | 1,024 | 0 |
| AS204383 | CZ-SPCOM-AS - SPCom s.r.o., CZ | 8,192 | 34,359,738,368 |
| AS204394 | CORTEX - Cortex, a.s., CZ | 1,024 | 34,359,738,368 |
| AS204405 | DurnetCZ - Durnet.cz sro, CZ | 0 | 4,294,967,296 |
| AS204409 | cz-Prestonet - Prestonet s.r.o., CZ | 1,024 | 4,294,967,296 |
| AS204567 | ASPCKBnet - PCKBnet s.r.o., CZ | 1,024 | 0 |
| AS204570 | hornackynet - Vratislav Kriz, CZ | 1,024 | 4,294,967,296 |
| AS204666 | czjiritlapak - Jiri Tlapak, CZ | 6,656 | 244,813,135,872 |
| AS204668 | ASTANACZ - ASTANA Technologies s.r.o., CZ | 512 | 8,589,934,592 |
| AS204772 | RSD-CZ - Reditelstvi silnic a dalnic s.p., CZ | 1,024 | 4,294,967,296 |
| AS204860 | NETX - NetX Networks a.s., CZ | 1,536 | 249,108,103,168 |
| AS204886 | metro-hu - Metropolitni sit Humpolec spol. s r.o., CZ | 1,024 | 4,294,967,296 |
| AS204907 | AS204907 - Air Bank a.s., CZ | 768 | 0 |
| AS204943 | NTVcable - NTV cable s.r.o., CZ | 1,024 | 34,359,738,368 |
| AS204949 | CMIS - CMIS s.r.o., CZ | 2,048 | 0 |
| AS205002 | AS_IWAO - CUBESOL, s.r.o., CZ | 1,024 | 34,359,738,368 |
| AS205026 | WVG-CLOUD-AS - wvg solution s.r.o., CZ | 256 | 0 |
| AS205044 | MOSES - MOSES Internet s.r.o., CZ | 1,024 | 34,359,738,368 |
| AS205234 | bkom - Brnenske komunikace a.s., CZ | 1,024 | 0 |
| AS205300 | ASSUNFOX - Sunfox s.r.o., CZ | 1,024 | 0 |
| AS205345 | HORALNET - HoralNET s.r.o., CZ | 1,024 | 34,359,738,368 |
| AS205400 | Vivoconnection - VIVO CONNECTION spol. s r.o., CZ | 2,048 | 34,359,738,368 |
| AS205535 | WINDYGHOUL - Windyghoul s.r.o., CZ | 1,024 | 34,359,738,368 |
| AS205619 | ASVESNET - Jiri Chalabala, CZ | 1,024 | 34,359,738,368 |
| AS205724 | TSB-AS - T.S.BOHEMIA a.s., CZ | 256 | 0 |
| AS205863 | POKORNY - Stepan Pokorny, CZ | 1,024 | 0 |
| AS205910 | ASNEW - McKinsey & Company Inc., CZ | 512 | 0 |
| AS205968 | ASGENERALNET - GeneralNet s.r.o., CZ | 1,024 | 0 |
| AS205982 | ASmraknet - Mraknet s.r.o., CZ | 1,024 | 0 |
| AS206177 | sitepark - SitePark s.r.o., CZ | 1,024 | 34,359,738,368 |
| AS206234 | RO-FORTUNA-GAME - FORTUNA GAME a.s., CZ | 512 | 0 |
| AS206287 | LYSAFREE-NET - LysaFree, z.s., CZ | 1,024 | 0 |
| AS206321 | startech - STARTECH spol. s r.o., CZ | 0 | 65,536 |
| AS206414 | techcenter_cz - TechCenter s.r.o., CZ | 1,024 | 0 |
| AS206420 | KabelServis - KABEL servis Praha spol. s r.o., CZ | 2,048 | 38,654,705,664 |
| AS206429 | Corsat - CORSAT s.r.o, CZ | 2,048 | 34,359,738,368 |
| AS206438 | MXNET-AS - MX-NET Telekomunikace s.r.o., CZ | 1,024 | 34,359,738,368 |
| AS206468 | TREBORADICENET-AS - Treboradice.net z.s., CZ | 256 | 0 |
| AS206548 | TLAP-ZCOM - ZCOM.cz s.r.o, CZ | 5,120 | 4,294,967,296 |
| AS206566 | SAVANACZ - Webglobe, s.r.o., CZ | 1,024 | 4,294,967,296 |
| AS206587 | daktela-cz - Daktela s.r.o., CZ | 1,024 | 0 |
| AS206591 | ALZACZ-AS - Alza.cz a.s., CZ | 256 | 0 |
| AS206613 | TIPSPORT-NET-AS - Tipsport.net a.s., CZ | 768 | 65,536 |
| AS206683 | MSIC-AS - Moravskoslezske inovacni centrum Ostrava, a.s., CZ | 256 | 0 |
| AS206703 | BOXNET - Netcom Solutions s.r.o., CZ | 1,280 | 0 |
| AS206712 | FeldHost-AS - FELDSAM s.r.o., CZ | 768 | 12,884,901,888 |
| AS206784 | Josefov - Internet Praha Josefov s.r.o., CZ | 1,024 | 34,359,738,368 |
| AS206785 | BRNO - Magistrat mesta Brna, CZ | 512 | 65,536 |
| AS206908 | PL-FORTUNA-GAME - FORTUNA GAME a.s., CZ | 512 | 0 |
| AS206951 | BMBGreen - BMB-Green s.r.o., CZ | 1,024 | 34,359,738,368 |
| AS207015 | POSITION - Position s.r.o., CZ | 1,024 | 4,294,967,296 |
| AS207095 | SK-FORTUNA-GAME - FORTUNA GAME a.s., CZ | 768 | 0 |
| AS207153 | cz-stream-it - Stream-iT, s.r.o., CZ | 1,024 | 0 |
| AS207167 | amccomp-master-brno - mapnet IT services s.r.o., CZ | 3,584 | 38,654,705,664 |
| AS207187 | TKRJASEK - TKR Jasek, s.r.o., CZ | 14,336 | 103,079,215,104 |
| AS207198 | KTKCZ - Kabelova televize Koprivnice, s.r.o., CZ | 6,144 | 34,359,738,368 |
| AS207231 | FuturNET-AS - FuturNET, s.r.o., CZ | 256 | 34,359,738,368 |
| AS207242 | NOEL - NOEL, s.r.o., CZ | 5,120 | 51,539,607,552 |
| AS207354 | TeleConnect - Teleconnect CZ s.r.o., CZ | 256 | 0 |
| AS207451 | PEARHOST-AS - Ales Hruska, CZ | 256 | 65,536 |
| AS207575 | brabeczc-as - Zahradnicke centrum Brabec, s.r.o., CZ | 0 | 65,536 |
| AS207576 | kovoplazma-as - KOVO - PLAZMA s.r.o., CZ | 0 | 65,536 |
| AS207583 | technologicke-centrum-as - Technologicke centrum a.s., CZ | 0 | 65,536 |
| AS207696 | DPP-AS - Dopravni podnik hl.m. Prahy, a.s., CZ | 512 | 65,536 |
| AS207850 | UstiNET-AS - HovNet-SERVIS s.r.o., CZ | 512 | 0 |
| AS207886 | ECOMPEU-CZ - ECOMP spol s r.o., CZ | 1,024 | 34,359,803,904 |
| AS207945 | CNI - CNI Group s.r.o., CZ | 2,304 | 34,359,738,368 |
| AS208060 | DRMAX-BDC - Dr. Max BDC, s.r.o., CZ | 512 | 34,359,738,368 |
| AS208093 | msk - Moravskoslezsky kraj, CZ | 1,024 | 34,359,738,368 |
| AS208143 | amccomp-unin - mapnet IT services s.r.o., CZ | 256 | 196,608 |
| AS208329 | Ceska_televize - Ceska televize, CZ | 512 | 0 |
| AS208414 | WEDOS-GLOBAL - WEDOS Internet, a.s., CZ | 2,304 | 6,291,456 |
| AS208422 | INFINITY-AS - Infinity Telecom, s.r.o., CZ | 256 | 65,536 |
| AS208466 | eontelco - EG.D Holding, a.s., CZ | 1,024 | 0 |
| AS208648 | pghub - Playground HUB s.r.o., CZ | 2,048 | 0 |
| AS208659 | innc - INNC s.r.o., CZ | 1,024 | 34,359,738,368 |
| AS208663 | MTU-NET - Martin Ph. D. Pustka, CZ | 1,024 | 34,359,738,368 |
| AS208712 | CENDIS - CENDIS, s.p., CZ | 512 | 65,536 |
| AS208790 | Stepan-Duda - Stepan Duda, CZ | 0 | 65,536 |
| AS208805 | SpolNet - POPE servis s.r.o., CZ | 1,024 | 0 |
| AS208816 | AS208816 - It services company s.r.o., CZ | 0 | 4,294,967,296 |
| AS208847 | ASfryzl - Martin Fryzl, CZ | 1,024 | 0 |
| AS208906 | SYNOT-CZ - SYNOT ICT Services, a.s., CZ | 2,048 | 34,359,738,368 |
| AS208950 | ASEZPADASRO - Ezpada s.r.o, CZ | 1,024 | 0 |
| AS208962 | nextremum - Nextremum s.r.o., CZ | 768 | 0 |
| AS209055 | AS_WAG - W.A.G. PAYMENT SOLUTIONS, A.S., CZ | 768 | 0 |
| AS209135 | FlowmonNetworks - Flowmon Networks a.s., CZ | 1,024 | 4,294,967,296 |
| AS209155 | onehostplanet - Onehostplanet s.r.o., CZ | 3,328 | 0 |
| AS209369 | TCPRO - The Cloud Provider s.r.o., CZ | 1,536 | 34,359,738,368 |
| AS209431 | Pharocom - PharoCom s.r.o., CZ | 0 | 34,359,738,368 |
| AS209621 | dobnet - DOBNET, z.s., CZ | 1,024 | 34,359,738,368 |
| AS209671 | QRATOR-SW - Qrator Labs CZ s.r.o., CZ | 1,280 | 8,589,934,592 |
| AS209719 | CZ-MOD - Ministerstvo Obrany, CZ | 256 | 65,536 |
| AS209795 | SPC-net - SPC-net s.r.o., CZ | 1,024 | 34,359,738,368 |
| AS209810 | NETCORESERVICES - Netcore services s.r.o., CZ | 4,864 | 34,359,738,368 |
| AS209834 | brnonet - KAZA.cz s.r.o., CZ | 1,024 | 34,359,738,368 |
| AS209947 | mwifi - M-wifi internet s.r.o., CZ | 1,024 | 34,359,738,368 |
| AS210061 | VinariceNET - Ladislav Kepl, CZ | 512 | 0 |
| AS210111 | netcraftsolutions - Netcraft Solutions s.r.o., CZ | 1,024 | 34,359,738,368 |
| AS210139 | DPT - DPT s.r.o. LLC, CZ | 3,072 | 34,359,738,368 |
| AS210367 | KZCR - Krajska zdravotni, a.s., CZ | 512 | 65,536 |
| AS210498 | Vysocina-hSOC - Kraj Vysocina, CZ | 256 | 16,777,216 |
| AS210604 | asczpernix-neza - Pernix systems s.r.o., CZ | 512 | 0 |
| AS210712 | GRAPESC - ISP Alliance a.s., CZ | 0 | 17,179,869,184 |
| AS210951 | MIEGLNET - Josef Miegl, CZ | 0 | 655,360 |
| AS210958 | FASTPORT - Fastport a.s., CZ | 4,096 | 4,294,967,296 |
| AS211085 | amccomp-master-praha - mapnet IT services s.r.o., CZ | 256 | 34,359,803,904 |
| AS211137 | ISPSERVICES - ISP Services spol. s.r.o., CZ | 256 | 0 |
| AS211248 | cz_artemis4 - Artemis NET s.r.o., CZ | 1,792 | 34,359,738,368 |
| AS211274 | QCZ - Quadruple a.s., CZ | 256 | 0 |
| AS211334 | Master_IT_Technologies-2 - MASTER IT Technologies, a.s., CZ | 256 | 0 |
| AS211445 | meukralupy - Mesto Kralupy nad Vltavou, CZ | 0 | 4,294,967,296 |
| AS211594 | PEERNET - Kleissner Investments s.r.o., CZ | 256 | 34,359,738,368 |
| AS211693 | NguyenNET - Viet Quang Nguyen, CZ | 256 | 0 |
| AS211700 | DEXUS - Dexus Internet s.r.o., CZ | 256 | 4,294,967,296 |
| AS211731 | MPSV-AS-CZ - Ministry of labour and social affairs, CZ | 1,024 | 65,536 |
| AS211774 | IGN - ign.cz internet, s.r.o., CZ | 2,048 | 34,359,738,368 |
| AS211816 | ASERONX - ERON X s.r.o., CZ | 256 | 0 |
| AS212138 | AS_TSB - Technicke site Brno, akciova spolecnost, CZ | 1,024 | 0 |
| AS212224 | Traveliana - Coolhousing s.r.o., CZ | 1,024 | 4,294,967,296 |
| AS212315 | FTCZ-NET - Frantisek Toman, CZ | 512 | 34,359,738,368 |
| AS212325 | ADCSYSTEMS - ADC Systems s.r.o., CZ | 8,192 | 0 |
| AS212362 | TREFCON-NET - INERA.CZ s.r.o., CZ | 256 | 4,294,967,296 |
| AS212453 | HR-FORTUNA-GAME-DC - FORTUNA GAME a.s., CZ | 512 | 0 |
| AS212859 | KronosNet - KXCOMM s.r.o., CZ | 256 | 34,359,738,368 |
| AS212876 | CZ-PARDUBICKYKRAJ - Pardubicky Kraj, CZ | 1,024 | 34,359,738,368 |
| AS212975 | TEAMCITY-AS - TeamCity s.r.o., CZ | 1,024 | 4,294,967,296 |
| AS213057 | innogycz - innogy Ceska republika a.s, CZ | 2,048 | 0 |
| AS213152 | NBU - Narodni bezpecnostni urad Czech Republic, CZ | 1,024 | 34,359,738,368 |
| AS213223 | gasnet - GasNet, s.r.o., CZ | 2,048 | 0 |
| AS213359 | MAZEL_BIZ_AS - Jan Korinek, CZ | 256 | 34,359,738,368 |
| AS213387 | TESUNET - TeSuNet s.r.o., CZ | 256 | 0 |
| AS213558 | spinoco-ushc - Spinoco Czech Republic, a.s., CZ | 256 | 0 |
| AS213559 | asmybv1 - MyOffice, s.r.o., CZ | 0 | 34,359,738,368 |
| AS213813 | MASON-CZ-AS - MaSON z. s., CZ | 0 | 65,536 |
| AS214032 | BUDOVIT - BUDOVIT s.r.o, CZ | 256 | 65,536 |
| AS214224 | CESKASITNET - CeskaSit.net Networks s.r.o., CZ | 256 | 0 |
| AS214703 | FAKAHEDA-AS - Core4Net, s.r.o., CZ | 512 | 0 |
| AS214757 | Jakub-Krsa - Jakub Krsa, CZ | 0 | 2,228,224 |
| AS214886 | ASGREENHOSTING - Green hosting s.r.o., CZ | 256 | 0 |
| AS214945 | MZVCR - Ministerstvo zahranicnich veci Ceske Republiky, CZ | 2,048 | 34,359,738,368 |
| AS214952 | MJANIK-AS - mjanik.net s.r.o., CZ | 0 | 4,294,967,296 |
| AS215260 | EmeraldG-Net - Emerald Group s.r.o., CZ | 256 | 0 |
| AS215308 | DIMCZNET - Spolek PASKOV.net, CZ | 512 | 4,294,967,296 |
| AS215353 | AtropolNetwork - Josef Hrabe, CZ | 256 | 0 |
| AS215582 | ipv6project-eu - Jan Kalista, CZ | 0 | 65,536 |
| AS215588 | notino-asn - Notino s.r.o., CZ | 1,024 | 131,072 |
| AS215602 | sikmo - sikmo s.r.o., CZ | 256 | 0 |
| AS215676 | GOODHOST - GoodHost s.r.o., CZ | 0 | 65,536 |
| AS215704 | NGN-CZ - NGN CZ s.r.o., CZ | 3,584 | 34,359,738,368 |
| AS215711 | MZE - The Ministry of Agriculture of the Czech Republic, CZ | 512 | 1,073,741,824 |
| AS215718 | IBAGroup - IBA Group a.s., CZ | 256 | 0 |
| AS215777 | CINCURA - Jiri Cincura, CZ | 0 | 65,536 |
| AS215806 | CZ-ALBERT-AS - Albert Ceska republika, s.r.o., CZ | 256 | 0 |
| AS215846 | Blindspot-research - PRO-ZETA a.s., CZ | 0 | 4,294,967,296 |
| AS216021 | STEVIJO-AS - Stefan Johannes Mayer, CZ | 0 | 65,536 |
| AS216339 | Mald-Entertainment-Studio - Mald Entertainment Studio, s.r.o., CZ | 0 | 16,908,288 |
| AS216450 | prgaero - Letiste Praha, a. s., CZ | 1,024 | 0 |