AS Number
AS47232
AS Name
ISPAlliance
Org Name
ISP Alliance a.s.
Country
Czech
Registry

ripe

RegDate

Updated

2025-10-23T14:06:40Z

AS47232 Looking Glass
IPv4Prefixes

10

IPv6Prefixes

6

IPv4 NUMs

9,984

IPv6 NUMs(/64)

103,079,215,104

9,984 IPv4 Addresses
CIDR Description IP Num
5.39.200.0/23
ROA Signed and Valid IRR Valid
PrimeNET.CZ ISP s.r.o. 512
46.29.224.0/21
ROA Signed and Valid IRR Valid
ISP Alliance a.s. 2048
78.111.112.0/20
ROA Signed and Valid IRR InValid
ISP Alliance a.s. 4096
94.140.25.0/24
IRR Valid
HelaPC s.r.o. 256
148.59.93.0/24
IRR Valid
HelaPC s.r.o. 256
185.15.108.0/22
ROA Signed and Valid IRR Valid
ISP Alliance a.s. 1024
185.52.172.0/24
ROA Signed and Valid IRR Valid
ISPAlliance 256
185.151.171.0/24
IRR Valid
ISP Alliance 256
193.107.160.0/22
IRR Valid
MACOnet s. r. o. 1024
195.26.25.0/24
IRR Valid
Omcom s.r.o. 256
CIDR Description IP NUMs(prefix /64)
2a02:17a0::/29
ROA Signed and Valid IRR InValid
ISP Alliance a.s. 34359738368
2a02:17a0:d000::/36
ROA Signed and Valid IRR Valid
ISP Alliance 268435456
2a03:2a80::/29
ROA Signed and Valid IRR Valid
ISP Alliance a.s. 34359738368
2a03:2a82::/31
ROA Signed and Valid IRR Valid
ISP Alliance a.s. 8589934592
2a04:7bc0::/29
ROA Signed and Valid IRR Valid
ISP Alliance a.s. 34359738368
2a04:7bc7::/32
ROA Signed and Valid IRR Valid
ISP Alliance 4294967296
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS9009 M247 - M247 Europe SRL, RO Romania 1,577,984 257,768,358,144 IPv4 IPv4 IPv6 IPv6
AS24482 SGGS-AS-AP - SG.GS, SG Singapore 20,992 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS60602 INOVARE-AS - Inovare-Prim SRL, MD Moldova 4,608 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS6461 ZAYO-6461 - Zayo Bandwidth, US United States 1,747,200 51,808,436,224 IPv4 IPv4 IPv6 IPv6
AS39392 SuperNetwork - SH.cz s.r.o., CZ Czech 31,744 73,014,509,568 IPv4 IPv4 IPv6 IPv6
AS40994 Alwyzon - Hohl IT e.U., AT Austria 5,888 38,654,705,664 IPv4 IPv4 IPv6 IPv6
AS41327 FIBERTELECOM-AS - Fiber Telecom S.p.A., IT Italy 7,168 68,719,476,736 IPv4 IPv4 IPv6 IPv6
AS47692 NESSUS - Nessus GmbH, AT Austria 37,632 34,359,869,440 IPv4 IPv4
AS1764 NEXTLAYER-AS - Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH, AT Austria 84,736 236,223,463,424 IPv4 IPv4 IPv6 IPv6
AS49544 i3Dnet - i3D.net B.V, NL Netherlands 116,992 356,753,080,320 IPv4 IPv4 IPv6 IPv6
AS263444 Open X Tecnologia Ltda, BR Brazil 2,048 2,147,483,648 IPv4 IPv4 IPv6 IPv6
AS15943 WTNET-AS - wilhelm.tel GmbH, DE Germany 354,560 38,654,836,736 IPv6 IPv6
AS57463 NetIX - NetIX Communications JSC, BG Bulgaria 256 0 IPv6 IPv6
AS3257 GTT-BACKBONE - GTT Communications Inc., US United States 8,574,720 438,087,778,304 IPv4 IPv4 IPv6 IPv6
AS6939 HURRICANE - Hurricane Electric LLC, US United States 458,752 282,627,370,713,088 IPv4 IPv4 IPv6 IPv6
AS8218 NEO-ASN - Zayo Infrastructure France SA, FR France 47,104 12,884,967,424 IPv4 IPv4 IPv6 IPv6
AS39120 CONVERGENZE-AS - Convergenze S.p.A., IT Italy 42,496 17,179,869,184 IPv4 IPv4
AS53062 GGNET TELECOMUNICACOES LTDA, BR Brazil 28,160 17,196,711,936 IPv4 IPv4
AS14840 BR.Digital Telecom, BR Brazil 72,960 14,010,613,760 IPv4 IPv4 IPv6 IPv6
AS22356 Durand do Brasil Ltda, BR Brazil 28,672 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS59890 Kabel-TV-Lampert - Kabel-TV Lampert GmbH & Co KG, AT Austria 13,312 34,359,738,368 IPv4 IPv4 IPv6 IPv6
AS6204 ZET-NET - INTERKVM HOST SRL, RO Romania 2,560 268,501,000 IPv4 IPv4 IPv6 IPv6
AS13199 DOUBRAVA-NET - Jaroslav Doubrava, CZ Czech 1,024 34,359,738,368 IPv4 IPv4
AS35369 LINZAG-TELEKOM-AS - LINZ STROM GAS WAERME GmbH fuer Energiedienstleistungen und Telekommunikation, AT Austria 38,400 4,295,032,832 IPv4 IPv4
AS37721 Virtual-Technologies-Solutions-SA - Virtual Technologies & Solutions, BF Burkina Faso 15,872 8,589,934,592 IPv4 IPv4 IPv6 IPv6
AS4455 BSO - IX Reach Ltd, GB United Kingdom 64,256 12,884,967,424 IPv4 IPv4
AS6663 TTI-NET - Euroweb Romania S.R.L., RO Romania 39,680 6,442,450,944 IPv4 IPv4 IPv6 IPv6
AS24940 HETZNER-AS - Hetzner Online GmbH, DE Germany 3,174,400 77,309,476,864 IPv4 IPv4 IPv6 IPv6
AS32590 VALVE-CORPORATION - Valve Corporation, US United States 13,312 2,228,224 IPv4 IPv4 IPv6 IPv6
AS51184 FONIRA - Fonira Telekom GmbH, AT Austria 13,824 111,669,149,696 IPv4 IPv4 IPv6 IPv6
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS197296 UNITED_NETWORKS_SE - United Networks SE, CZ Czech 6,656 34,359,738,368 IPv4 IPv4 IPv6 IPv6
AS201559 UNITED_NETWORKS_SE - United Networks SE, CZ Czech 1,024 17,179,869,184 IPv4 IPv4 IPv6 IPv6
AS210712 GRAPESC-ISP - ISP Alliance a.s., CZ Czech 14,336 17,179,869,184 IPv4 IPv4 IPv6 IPv6
AS210139 DPT - DPT s.r.o., CZ Czech 3,072 34,359,738,368 IPv4 IPv4
AS12570 ITSELF - O2 Czech Republic, a.s., CZ Czech 53,760 38,654,705,664 IPv4 IPv4
AS20723 MGI - AVONET, s.r.o., CZ Czech 16,384 34,359,738,368 IPv4 IPv4 IPv6 IPv6
AS197393 ASRUDOLFNET - ISP Alliance a.s., CZ Czech 2,048 34,359,738,368 IPv4 IPv4 IPv6 IPv6
AS204064 CEZNET-AS - CEZNET s.r.o., CZ Czech 4,096 34,359,738,368 IPv4 IPv4 IPv6 IPv6
AS57279 SAURONNET - Sauron CZ s.r.o., CZ Czech 4,096 4,294,967,296 IPv4 IPv4
AS202877 vejnet - VEJNET.CZ s.r.o., CZ Czech 1,280 34,359,738,368 IPv4 IPv4 IPv6 IPv6
AS204666 czjiritlapak - Jiri Tlapak, CZ Czech 15,104 244,813,135,872 IPv4 IPv4 IPv6 IPv6
AS50338 GAMERHOST - GamerHost s.r.o., CZ Czech 1,536 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS57077 AB-NET - AB-NET s.r.o., CZ Czech 3,072 4,294,967,296 IPv4 IPv4
AS201625 UNITED_NETWORKS_SE - United Networks SE, CZ Czech 1,024 34,359,738,368 IPv4 IPv4 IPv6 IPv6
AS201476 Wolfnet - ISP Alliance a.s., CZ Czech 8,704 34,359,803,904 IPv4 IPv4 IPv6 IPv6
AS202297 SKYLON - Skylon Solutions Limited, GB United Kingdom 512 4,296,278,016 IPv4 IPv4
AS208847 ASfryzl - Martin Fryzl, CZ Czech 1,024 0 IPv4 IPv4
AS209621 dobnet - DOBNET, z.s., CZ Czech 1,024 34,359,738,368 IPv4 IPv4 IPv6 IPv6
AS13199 DOUBRAVA-NET - Jaroslav Doubrava, CZ Czech 1,024 34,359,738,368 IPv4 IPv4 IPv6 IPv6
AS44712 eHAMnet-AS - eHAMnet, s.r.o., CZ Czech 2,048 34,359,738,368 IPv4 IPv4
AS50415 Ahosting - Ahosting a.s., CZ Czech 1,024 34,359,738,368 IPv4 IPv4 IPv6 IPv6
AS56624 ASRTYNENET - Rtyne.net s.r.o., CZ Czech 3,072 0 IPv4 IPv4
AS51400 ASSPOJENET - SPOJE.NET s.r.o., CZ Czech 2,048 65,536 IPv6 IPv6
AS205535 WINDYGHOUL - Windyghoul s.r.o., CZ Czech 1,024 34,359,738,368 IPv6 IPv6
AS35046 OMEGAPLUS-AS - OMEGA plus Chrudim s.r.o., CZ Czech 7,168 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS44500 vlasimnet - Vlasimnet s.r.o., CZ Czech 2,048 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS56566 SATT-AS - SATT a.s., CZ Czech 12,032 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS197879 HELAPC - HelaPC s.r.o., CZ Czech 3,328 68,719,476,736 IPv4 IPv4 IPv6 IPv6
AS15614 Dragon - Dragon Internet a.s., CZ Czech 19,968 34,359,738,368 IPv4 IPv4
AS33883 TRIONET-CZ-AS - TRIOPTIMUM s.r.o., CZ Czech 7,168 34,359,738,368 IPv4 IPv4 IPv6 IPv6
AS196735 AS-JONCZ - PODA a.s., CZ Czech 16,384 4,294,967,296 IPv4 IPv4
AS34955 ASVICENIK - Martin Vicenik, CZ Czech 3,072 0 IPv4 IPv4
AS199405 OSLAVANY-NET-AS - Oslavany.NET, spolek, CZ Czech 1,024 4,294,967,296 IPv4 IPv4
AS202131 Wave-net - ISP Alliance a.s., CZ Czech 512 0 IPv4 IPv4
AS202921 CC_INTERNET - CC INTERNET s.r.o., CZ Czech 3,072 34,359,738,368 IPv4 IPv4
AS201654 CEZNET-AS - CEZNET s.r.o., CZ Czech 2,048 17,179,869,184 IPv4 IPv4 IPv6 IPv6
AS202618 rychlydrat - Rychly drat, s.r.o., CZ Czech 5,120 34,359,738,368 IPv4 IPv4 IPv6 IPv6
AS212975 TEAMCITY-AS - TeamCity s.r.o., CZ Czech 1,024 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS49025 PROZETA-NET - PRO-ZETA a.s., CZ Czech 3,328 268,435,456 IPv4 IPv4
AS60529 PRASLAVICENET - Miroslav Klement, CZ Czech 2,048 0 IPv4 IPv4
AS198814 ASALPHASTYLSOFT - ALPHA StylSoft, s.r.o., CZ Czech 1,024 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS201464 ok-net - ISP Alliance a.s., CZ Czech 256 0 IPv4 IPv4
AS29134 IGNUM-AS - Webglobe, s.r.o., CZ Czech 22,272 47,513,075,712 IPv4 IPv4 IPv6 IPv6
AS35236 AS35236 - UVT Internet s.r.o., CZ Czech 10,496 60,129,673,216 IPv4 IPv4 IPv6 IPv6
AS42306 EDERA_Group - Edera Group a.s., CZ Czech 20,480 137,438,953,472 IPv4 IPv4
AS44002 SYS-DATACOM - Sys-DataCom s.r.o., CZ Czech 3,072 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS201533 UNITED_NETWORKS_SE - United Networks SE, CZ Czech 1,024 0 IPv4 IPv4
AS50971 JHCOMP-AS - JHComp s.r.o., CZ Czech 2,048 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS52084 ATLELEKTROCZ - ISP Alliance a.s., CZ Czech 2,048 0 IPv4 IPv4
AS202774 comtex - ISP Alliance a.s., CZ Czech 1,024 34,359,738,368 IPv4 IPv4 IPv6 IPv6
AS205002 AS_IWAO - CUBESOL, s.r.o., CZ Czech 1,024 34,359,738,368 IPv4 IPv4 IPv6 IPv6
AS39455 Tlapnet-SK-AS - Jiri Tlapak, CZ Czech 1,024 0 IPv4 IPv4
AS44522 RIPN-RU-PRG - Join-stock company "Internet Exchange"MSK-IX", RU Russian Federation 256 65,536 IPv4 IPv4
AS47727 WARNETCZ-AS - Warnet.cz s.r.o., CZ Czech 1,024 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS50163 altnet-skvelynet - Altnet s.r.o., CZ Czech 2,048 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS206951 BMBGreen - BMB-Green s.r.o., CZ Czech 1,024 34,359,738,368 IPv4 IPv4 IPv6 IPv6
AS207886 ECOMPEU-CZ - ECOMP spol s r.o., CZ Czech 1,024 34,359,803,904 IPv4 IPv4 IPv6 IPv6
as-block:       AS47193 - AS47271
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:        2025-10-23T14:06:40Z
last-modified:  2025-10-23T14:06:40Z
source:         RIPE



aut-num:        AS47232
as-name:        ISPAlliance
org:            ORG-GSa22-RIPE
import:         from AS21430 accept ANY
import:         from AS29208 accept ANY
import:         from AS197296 accept ANY
import:         from AS56624 accept ANY
import:         from AS49767 accept ANY
import:         from AS39392 accept ANY
import:         from AS35046 accept ANY
import:         from AS200059 accept ANY
import-via:     AS6777 from AS-ANY accept ANY
export:         to AS29208 announce AS-ISPALLIANCE-CZ
export:         to AS197296 announce ANY
export:         to AS56624 announce ANY
export:         to AS49767 announce ANY
export:         to AS39392 announce ANY
export:         to AS35046 announce ANY
export:         to AS200059 announce ANY
export-via:     AS6777 to AS-ANY announce AS-ISPALLIANCE-CZ
remarks:        This ASN is used for residential broadband ISPs services.
remarks:        ----------------------------------------------------------------------
remarks:        TRANSIT IMPORT
mp-import:      afi any.unicast from AS47232:AS-TRANSIT accept ANY
remarks:
remarks:        EXCHANGE POINTS IMPORT
mp-import:      afi any.unicast from AS47232:AS-IX accept ANY
remarks:
remarks:        CUSTOMERS IMPORT
mp-import:      afi any.unicast from AS47232:AS-CUSTOMERS accept PeerAS
remarks:        ----------------------------------------------------------------------
remarks:
remarks:        ----------------------------------------------------------------------
remarks:        TRANSIT EXPORT
mp-export:      afi any.unicast to AS47232:AS-TRANSIT announce AS-ISPALLIANCE-CZ
remarks:
remarks:        EXCHANGE POINTS EXPORT
mp-export:      afi any.unicast to AS47232:AS-IX announce AS-ISPALLIANCE-CZ
remarks:
remarks:        CUSTOMERS EXPORT
mp-export:      afi any.unicast to AS47232:AS-CUSTOMERS announce ANY
remarks:        ----------------------------------------------------------------------
remarks:
admin-c:        GS5801-RIPE
tech-c:         GS5801-RIPE
status:         ASSIGNED
notify:         ruzicka@grapesc.cz
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         MNT-GRAPESC
created:        2008-05-21T13:49:01Z
last-modified:  2026-05-29T05:07:46Z
source:         RIPE

organisation:   ORG-GSa22-RIPE
org-name:       ISP Alliance a.s.
country:        CZ
reg-nr:         28205812
org-type:       LIR
address:        Kukanova 2262
address:        43003
address:        Chomutov
address:        CZECH REPUBLIC
phone:          +420724612176
fax-no:         +420415210805
e-mail:         noc@ispalliance.cz
admin-c:        LR2038-RIPE
abuse-c:        IA3261-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        MNT-GRAPESC
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         MNT-GRAPESC
created:        2008-04-22T12:13:14Z
last-modified:  2026-05-13T07:32:19Z
source:         RIPE

role:           GRAPESC
address:        Karlovo nám?stí 559/28
address:        120 00 Praha 2
address:        Czech Republic
phone:          +420800911911
e-mail:         ruzicka@grapesc.cz
admin-c:        LR2038-RIPE
tech-c:         LR2038-RIPE
abuse-mailbox:  hotline@grapesc.cz
nic-hdl:        GS5801-RIPE
mnt-by:         MNT-GRAPESC
notify:         ruzicka@grapesc.cz
created:        2008-05-14T08:34:47Z
last-modified:  2023-07-18T16:39:57Z
source:         RIPE