AS Number
AS25192
AS Name
CZNIC-AS
Org Name
CZ.NIC, z.s.p.o.
Country
Czech
Registry

ripe

RegDate

Updated

2018-11-22T15:27:30Z

AS25192 Looking Glass
IPv4Prefixes

8

IPv6Prefixes

7

IPv4 NUMs

6,400

IPv6 NUMs(/64)

4,295,360,512

6,400 IPv4 Addresses
CIDR Description IP Num
185.43.132.0/22
ROA Signed and Valid IRR InValid
CZ.NIC, z.s.p.o. 1024
185.43.134.0/24
ROA Signed and Valid IRR Valid
CZ.NIC, z.s.p.o. 256
193.29.206.0/24
ROA Signed and Valid IRR Valid
CZ.NIC, z.s.p.o. 256
194.0.12.0/24
ROA Signed and Valid IRR Valid
CZ.NIC, z.s.p.o. 256
194.0.13.0/24
ROA Signed and Valid IRR Valid
CZ.NIC, z.s.p.o. 256
194.0.14.0/24
ROA Signed and Valid IRR Valid
CZ.NIC, z.s.p.o. 256
212.237.229.0/24
ROA Signed and Valid IRR Valid
CZ.NIC, z.s.p.o. 256
217.31.192.0/20
ROA Signed and Valid IRR Valid
CZ.NIC, z.s.p.o. 4096
CIDR Description IP NUMs(prefix /64)
2001:678:1::/48
ROA Signed and Valid IRR Valid
CZ.NIC, z.s.p.o. 65536
2001:678:f::/48
ROA Signed and Valid IRR Valid
CZ.NIC, z.s.p.o. 65536
2001:678:10::/48
ROA Signed and Valid IRR Valid
CZ.NIC, z.s.p.o. 65536
2001:678:11::/48
ROA Signed and Valid IRR Valid
CZ.NIC, z.s.p.o. 65536
2001:1488::/32
ROA Signed and Valid IRR Valid
CZ.NIC, z.s.p.o. 4294967296
2001:148f:fffb::/48
ROA Signed and Valid IRR Valid
F-NS-NIC-CZ 65536
2001:148f:fffd::/48
ROA Signed and Valid IRR Valid
E-NS-NIC-CZ 65536
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS6057 Administracion Nacional de Telecomunicaciones, UY Uruguay 2,155,520 68,719,476,736 IPv4 IPv4 IPv6 IPv6
AS37100 SEACOM-AS - SEACOM Limited, MU Mauritius 1,072,896 12,884,901,888 IPv4 IPv4 IPv6 IPv6
AS40528 ICANN-LAX - ICANN, US United States 2,560 262,144 IPv4 IPv4 IPv6 IPv6
AS57111 ALTITUD - NOVA NETWORKS S.R.L., IT Italy 3,072 34,359,738,368 IPv4 IPv4 IPv6 IPv6
AS47692 NESSUS - Nessus GmbH, AT Austria 37,120 34,359,869,440 IPv4 IPv4 IPv6 IPv6
AS24940 HETZNER-AS - Hetzner Online GmbH, DE Germany 3,043,072 77,309,476,864 IPv4 IPv4 IPv6 IPv6
AS53202 Acesso10 Telecom, BR Brazil 8,192 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS52468 UFINET PANAMA S.A., PA Panama 222,720 75,891,015,680 IPv4 IPv4
AS56987 AS-ABACLOUDA - ABACLOUDA SAS, FR France 1,280 34,359,738,368 IPv4 IPv4 IPv6 IPv6
AS34867 COSMONOVA-AS - Cosmonova LLC, UA Ukraine 33,792 34,359,738,368 IPv4 IPv4 IPv6 IPv6
AS29075 IELO - IELO-LIAZO SERVICES SAS, FR France 31,744 107,374,182,400 IPv4 IPv4
AS31510 IKB-AS - Innsbrucker Kommunalbetriebe AG, AT Austria 27,904 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS35625 EUROFIBER-FRANCE - Eurofiber France SAS, FR France 31,488 103,095,992,320 IPv4 IPv4 IPv6 IPv6
AS199524 GCORE - G-Core Labs S.A., LU Luxembourg 129,536 117,178,369 IPv4 IPv4 IPv6 IPv6
AS137409 GSLNETWORKS-AS-AP - GSL Networks Pty LTD, AU Australia 118,784 77,422,526,466 IPv4 IPv4 IPv6 IPv6
AS202032 GOLINE - GOLINE SA, CH Switzerland 1,024 4,294,967,296 IPv4 IPv4
AS267613 ELETRONET S.A., BR Brazil 1,024 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS559 Switch, CH Switzerland 2,184,960 176,093,790,208 IPv4 IPv4 IPv6 IPv6
AS6695 DECIX-AS - DE-CIX Management GmbH, DE Germany 0 0 IPv4 IPv4
AS24482 SGGS-AS-AP - SG.GS, SG Singapore 20,992 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS50877 AIRBEAM-AS - Airbeam S.r.l., IT Italy 6,144 34,359,738,368 IPv4 IPv4 IPv6 IPv6
AS272403 RAFAEL RIGOBERTO LOPEZ OROZCO, MX Mexico 3,072 4,294,967,296 IPv6 IPv6
AS12577 MMC-AT-AS - MMC GmbH, AT Austria 9,216 34,359,738,368 IPv4 IPv4
AS15547 NETPLUS - netplus.ch SA, CH Switzerland 135,424 42,949,672,960 IPv4 IPv4
AS28716 RETELIT-AS - Retelit Digital Services S.p.A., IT Italy 43,776 107,374,182,400 IPv4 IPv4
AS38001 NEWMEDIAEXPRESS-AS-AP - NewMedia Express Pte Ltd, SG Singapore 19,968 5,439,488 IPv4 IPv4 IPv6 IPv6
AS25248 BlueTone-AS - RADIOKOMUNIKACE a.s., CZ Czech 106,752 4,295,032,832 IPv4 IPv4 IPv6 IPv6
AS214443 BEBYTE - BE BYTE SRL, IT Italy 512 34,359,738,368 IPv4 IPv4
AS1764 NEXTLAYER-AS - Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH, AT Austria 84,736 236,223,463,424 IPv4 IPv4 IPv6 IPv6
AS6204 ZET-NET - INTERKVM HOST SRL, RO Romania 1,024 268,501,000 IPv4 IPv4
AS6663 TTI-NET - Euroweb Romania S.R.L., RO Romania 39,680 6,442,450,944 IPv4 IPv4
AS25091 IP-Max - IP-Max SA, CH Switzerland 14,592 68,719,607,808 IPv4 IPv4 IPv6 IPv6
AS3701 LINK-OREGON - University of Oregon, US United States 170,496 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS39642 Sinal-AS - Sinal A/S, DK Denmark 560,128 146,028,953,600 IPv4 IPv4
AS49544 i3Dnet - i3D.net B.V, NL Netherlands 116,992 356,753,080,320 IPv4 IPv4 IPv6 IPv6
AS6939 HURRICANE - Hurricane Electric LLC, US United States 456,704 282,636,229,083,136 IPv4 IPv4 IPv6 IPv6
AS14840 BR.Digital Telecom, BR Brazil 72,704 14,010,548,224 IPv4 IPv4 IPv6 IPv6
AS29802 HVC-AS - HIVELOCITY, Inc., US United States 507,136 17,135,960,064 IPv4 IPv4 IPv6 IPv6
AS35280 F5 - F5 Networks SARL, FR France 55,296 81,604,378,624 IPv4 IPv4 IPv6 IPv6
AS7575 AARNET-AS-AP - Australian Academic and Research Network, AU Australia 1,154,816 90,194,444,288 IPv4 IPv4 IPv6 IPv6
AS39120 CONVERGENZE-AS - Convergenze S.p.A., IT Italy 42,496 17,179,869,184 IPv4 IPv4
AS48362 TKSWF-AS - Stadtwerke Feldkirch, AT Austria 7,936 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS20932 SIG-ST - Services Industriels de Geneve, CH Switzerland 9,472 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS22548 Núcleo de Inf. e Coord. do Ponto BR - NIC.BR, BR Brazil 4,096 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS266213 PLANETCLICK TELECOMUNICACOES LTDA, BR Brazil 1,536 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS1000 LINK-AMERICAN - LINK AMERICAN, US United States 256 0 IPv4 IPv4 IPv6 IPv6
AS151326 DCPL-AS-AP - DCConnect Communication Pte. Ltd., SG Singapore 2,560 4,295,032,832 IPv4 IPv4
AS9498 BBIL-AP - Bharti Airtel Limited, IN India 2,260,480 4,299,358,208 IPv4 IPv4
AS34428 EIGHTROUTE - Giulio Lo Presti, IT Italy 512 68,719,476,736 IPv4 IPv4
AS52320 GlobeNet Cabos Submarinos Colombia, S.A.S., CO Colombia 4,096 8,589,934,592 IPv4 IPv4 IPv6 IPv6
AS60602 INOVARE-AS - Inovare-Prim SRL, MD Moldova 4,096 4,294,967,296 IPv4 IPv4
AS8660 MATRIX-AS - Italiaonline S.p.A., IT Italy 28,672 0 IPv4 IPv4
AS9050 RTD - Orange Romania S.A., RO Romania 1,488,128 4,294,967,296 IPv4 IPv4
AS13237 LAMBDANET-AS - euNetworks GmbH, DE Germany 570,112 107,374,182,400 IPv4 IPv4
AS5394 Unidata - UNIDATA S.p.A., IT Italy 91,904 4,294,967,296 IPv4 IPv4
AS49709 VIDEOBYTE - Videobyte S.r.l., IT Italy 2,048 4,294,967,296 IPv4 IPv4
AS4455 BSO - IX Reach Ltd, GB United Kingdom 64,256 12,884,967,424 IPv4 IPv4
AS42473 AS-ANEXIA - Anexia Cloud Solutions GmbH, AT Austria 85,504 4,320,329,728 IPv4 IPv4 IPv6 IPv6
AS22356 Durand do Brasil Ltda, BR Brazil 28,672 4,294,967,296 IPv4 IPv4
AS53062 ALT | GRUPO BRASIL TECPAR, BR Brazil 28,160 17,196,711,936 IPv4 IPv4 IPv6 IPv6
AS58511 ANYCAST-GLOBAL-BACKBONE - Anycast Holdings Pty Ltd, AU Australia 22,528 8,589,934,592 IPv4 IPv4 IPv6 IPv6
AS262462 Aranet Play, BR Brazil 14,336 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS1031 PEER1-1031 - PEER 1031 LLC, US United States 256 4,294,967,298 IPv4 IPv4
AS1299 TWELVE99 - Arelion Sweden AB, SE Sweden 424,192 77,326,843,904 IPv4 IPv4 IPv6 IPv6
AS5405 INTERDOTLINK - Inter.link GmbH, DE Germany 3,072 34,359,738,368 IPv4 IPv4 IPv6 IPv6
AS12779 ITGATE - IT.Gate S.p.A., IT Italy 46,848 42,949,804,032 IPv4 IPv4 IPv6 IPv6
AS28624 PROVEDORA CMA INTERNET LTDA, BR Brazil 37,888 4,294,967,296 IPv4 IPv4
AS41327 FIBERTELECOM-AS - Fiber Telecom S.p.A., IT Italy 7,168 68,719,476,736 IPv4 IPv4
AS30844 LIQUID-AS - Liquid Telecommunications Ltd, GB United Kingdom 370,176 38,654,705,664 IPv6 IPv6
AS51184 FONIRA - Fonira Telekom GmbH, AT Austria 13,824 111,669,149,696 IPv4 IPv4 IPv6 IPv6
AS64049 RJIPL-SG - Reliance Jio Infocomm Pte.Ltd, SG Singapore 2,048 0 IPv4 IPv4 IPv6 IPv6
AS999 CORIX-999 - CORIX NETWORKS, US United States 4,608 4,295,032,834 IPv4 IPv4 IPv6 IPv6
AS7195 EDGEUNO S.A.S, CO Colombia 32,000 4,274,061,312 IPv4 IPv4 IPv6 IPv6
AS14537 CL-1379-14537 - Continent 8 LLC, US United States 65,536 12,884,901,888 IPv4 IPv4
AS49605 DTS-AS - Digital Telecommunication Services S.r.l., IT Italy 9,216 38,654,705,664 IPv4 IPv4 IPv6 IPv6
AS6461 ZAYO-6461 - Zayo Bandwidth, US United States 1,747,456 51,808,436,224 IPv4 IPv4 IPv6 IPv6
AS8674 NETNOD-IX - Netnod AB, SE Sweden 7,936 8,590,131,200 IPv4 IPv4 IPv6 IPv6
AS37468 ANGOLA-CABLES - Angola Cables, AO Angola 9,472 42,949,672,960 IPv4 IPv4 IPv6 IPv6
AS12570 ITSELF - O2 Czech Republic, a.s., CZ Czech 53,760 38,654,705,664 IPv4 IPv4
AS40994 Alwyzon - Hohl IT e.U., AT Austria 5,888 38,654,705,664 IPv4 IPv4 IPv6 IPv6
AS396356 LATITUDE-SH - Latitude.sh, US United States 236,288 48,901,128,192 IPv4 IPv4 IPv6 IPv6
AS5392 TELNET-ITALY - TELNET S.r.l., IT Italy 16,384 4,294,967,296 IPv4 IPv4
AS12637 SEEWEB - SEEWEB s.r.l., IT Italy 82,176 188,978,561,024 IPv4 IPv4 IPv6 IPv6
AS34177 CELESTE-AS - Celeste SAS, FR France 226,816 98,784,247,808 IPv4 IPv4 IPv6 IPv6
AS16876 ICANN-DC - ICANN, US United States 2,048 196,608 IPv4 IPv4 IPv6 IPv6
AS34019 HIVANE - Hivane Association, FR France 2,816 1,245,184 IPv4 IPv4 IPv6 IPv6
AS3130 RGNET-SEA - RGnet OU, EE Estonia 1,024 65,536 IPv4 IPv4 IPv6 IPv6
AS12552 GlobalConnect-AS12552 - GlobalConnect AB, SE Sweden 560,384 210,454,380,544 IPv4 IPv4 IPv6 IPv6
AS47147 AS-ANX - Anexia Cloud Solutions GmbH, AT Austria 2,816 131,072 IPv4 IPv4
AS262427 Invista Net Provedor de Acesso Ltda, BR Brazil 8,192 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS37474 JINX - ISPA SA, ZA South Africa 1,536 65,536 IPv4 IPv4 IPv6 IPv6
AS209823 ENKI-AS - Enki Multimedia EURL, FR France 768 4,295,360,512 IPv4 IPv4 IPv6 IPv6
AS269180 VIPNET Conexão, BR Brazil 1,280 4,294,967,296 IPv4 IPv4
AS7713 telkomnet-as-ap - Telekomunikasi Indonesia (PT), ID Indonesia 4,279,040 12,885,032,967 IPv4 IPv4
AS32590 VALVE-CORPORATION - Valve Corporation, US United States 13,312 2,228,224 IPv4 IPv4 IPv6 IPv6
AS35360 GARGUNET - Frederic Gargula, CH Switzerland 1,024 34,359,738,368 IPv4 IPv4 IPv6 IPv6
AS37271 Workonline - Workonline Communications(Pty) Ltd, ZA South Africa 9,216 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS264479 Turbozone Internet, BR Brazil 2,560 4,294,967,296 IPv4 IPv4
AS271253 LINK BRASIL TELECOMUNICACOES LTDA, BR Brazil 4,096 655,097,864 IPv4 IPv4 IPv6 IPv6
AS15605 CONNESI - Connesi s.p.a., IT Italy 20,992 17,179,869,184 IPv4 IPv4 IPv6 IPv6
AS15943 WTNET-AS - wilhelm.tel GmbH, DE Germany 354,560 38,654,836,736 IPv4 IPv4
AS27678 NIC Chile, CL Chile 2,304 393,216 IPv4 IPv4 IPv6 IPv6
AS52075 WIFIRST - Wifirst S.A.S., FR France 132,352 34,359,738,368 IPv4 IPv4 IPv6 IPv6
AS8218 NEO-ASN - Zayo Infrastructure France SA, FR France 47,104 12,884,967,424 IPv4 IPv4 IPv6 IPv6
AS51519 Karabro - Karabro AB, SE Sweden 1,024 34,359,738,368 IPv4 IPv4 IPv6 IPv6
AS61573 IP TELECOM, BR Brazil 1,024 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS13058 serve-u-AS - serve-u - Buchholz und Suenderhauf GbR, DE Germany 2,048 34,359,738,368 IPv4 IPv4 IPv6 IPv6
AS39351 ESAB-AS - 31173 Services AB, SE Sweden 14,592 4,296,146,944 IPv4 IPv4 IPv6 IPv6
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS20701 CZNIC-AS3 - CZ.NIC, z.s.p.o., CZ Czech 512 131,072 IPv4 IPv4 IPv6 IPv6
AS26710 ICANN-ANYCASTED-SERVICES - ICANN, US United States 1,792 393,216 IPv4 IPv4 IPv6 IPv6
AS52234 NIC Chile, CL Chile 256 65,536 IPv4 IPv4
AS52304 NIC Chile, CL Chile 256 65,536 IPv4 IPv4
AS29067 UATLD-AS - LLC "Hostmaster", UA Ukraine 1,792 524,288 IPv6 IPv6
as-block:       AS25164 - AS25249
descr:          RIPE NCC ASN block
remarks:        These AS Numbers are assigned to network operators in the RIPE NCC service region.
mnt-by:         RIPE-NCC-HM-MNT
created:        2018-11-22T15:27:30Z
last-modified:  2018-11-22T15:27:30Z
source:         RIPE



aut-num:        AS25192
as-name:        CZNIC-AS
org:            ORG-Cz1-RIPE
admin-c:        CZ-RIPE
tech-c:         CZ-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
remarks:
remarks:        ----------------------------------------------------------------------
remarks:        TRANSIT IMPORT
mp-import:      afi any.unicast from AS25192:AS-TRANSIT accept ANY
remarks:
remarks:        EXCHANGE POINTS IMPORT
mp-import:      afi any.unicast from AS25192:AS-IX accept ANY
remarks:
remarks:        CUSTOMERS IMPORT
mp-import:      afi any.unicast from AS25192:AS-CUSTOMERS accept PeerAS
remarks:        ----------------------------------------------------------------------
remarks:
remarks:        ----------------------------------------------------------------------
remarks:        TRANSIT EXPORT
mp-export:      afi any.unicast to AS25192:AS-TRANSIT announce AS-CZNIC-TRANSIT
remarks:
remarks:        EXCHANGE POINTS EXPORT
mp-export:      afi any.unicast to AS25192:AS-IX announce AS-CZNIC
remarks:
remarks:        CUSTOMERS EXPORT
mp-export:      afi any.unicast to AS25192:AS-CUSTOMERS announce ANY
remarks:        ----------------------------------------------------------------------
remarks:
mnt-by:         CZ-NIC-MNT
created:        2002-08-28T09:25:35Z
last-modified:  2017-11-15T09:19:53Z
source:         RIPE

organisation:   ORG-Cz1-RIPE
org-name:       CZ.NIC, z.s.p.o.
country:        CZ
reg-nr:         67985726
org-type:       LIR
address:        Milesovska 5
address:        13000
address:        Praha 3
address:        CZECH REPUBLIC
phone:          +420222745111
fax-no:         +420222745112
e-mail:         cto@nic.cz
admin-c:        MP12962-RIPE
admin-c:        JARA
admin-c:        OF156-RIPE
mnt-ref:        CZ-NIC-MNT
mnt-ref:        RIPE-NCC-HM-MNT
notify:         ntf@nic.cz
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         CZ-NIC-MNT
abuse-c:        CZ-RIPE
created:        2004-04-17T11:04:42Z
last-modified:  2026-05-13T07:30:28Z
source:         RIPE

role:           Top level domain .CZ Operations
address:        CZ.NIC, z.s.p.o.
address:        Milesovska 5
address:        Praha 3
address:        130 00
address:        The Czech Republic
phone:          +420 222 745 111
fax-no:         +420 222 745 112
e-mail:         hostmaster@nic.cz
abuse-mailbox:  abuse@nic.cz
admin-c:        OF156-RIPE
tech-c:         MP12962-RIPE
tech-c:         JARA
nic-hdl:        CZ-RIPE
notify:         ntf@nic.cz
mnt-by:         CZ-NIC-MNT
created:        2003-05-16T20:14:31Z
last-modified:  2025-10-10T09:03:19Z
source:         RIPE