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
IRR Valid
E-NS-NIC-CZ 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-NET 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
AS1764 NEXTLAYER-AS - Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH, AT Austria 86,016 240,518,430,720 IPv6 IPv6
AS13058 serve-u-AS - serve-u - Buchholz und Suenderhauf GbR, DE Germany 2,048 34,359,738,368 IPv6 IPv6
AS22548 Núcleo de Inf. e Coord. do Ponto BR - NIC.BR, BR Brazil 4,096 4,294,967,296 IPv6 IPv6
AS57111 ALTITUD - NOVA NETWORKS S.R.L., IT Italy 3,072 34,359,738,368 IPv6 IPv6
AS151326 DCPL-AS-AP - DCConnect Communication Pte. Ltd., SG Singapore 2,560 4,295,032,832 IPv6 IPv6
AS51184 FONIRA - Fonira Telekom GmbH, AT Austria 13,824 111,669,149,696 IPv6 IPv6
AS7575 AARNET-AS-AP - Australian Academic and Research Network, AU Australia 1,154,048 25,769,934,848 IPv6 IPv6
AS9002 RETN-AS - RETN Limited, GB United Kingdom 38,400 4,294,967,296 IPv6 IPv6
AS20932 SIG-ST - Services Industriels de Geneve, CH Switzerland 9,472 4,294,967,296 IPv6 IPv6
AS32590 VALVE-CORPORATION - Valve Corporation, US United States 12,800 2,162,688 IPv6 IPv6
AS35280 F5 - F5 Networks SARL, FR France 53,760 81,604,378,624 IPv6 IPv6
AS49605 DTS-AS - Digital Telecommunication Services S.r.l., IT Italy 9,216 38,654,705,664 IPv6 IPv6
AS12637 SEEWEB - SEEWEB s.r.l., IT Italy 83,456 197,568,495,616 IPv6 IPv6
AS12779 ITGATE - IT.Gate S.p.A., IT Italy 46,336 42,949,804,032 IPv6 IPv6
AS15605 CONNESI - Connesi s.p.a., IT Italy 20,992 17,179,869,184 IPv6 IPv6
AS60602 INOVARE-AS - Inovare-Prim SRL, MD Moldova 3,584 4,294,967,296 IPv6 IPv6
AS8218 NEO-ASN - Zayo Infrastructure France SA, FR France 47,360 12,884,967,424 IPv6 IPv6
AS12552 GlobalConnect-AS12552 - GlobalConnect AB, SE Sweden 561,920 214,749,282,304 IPv6 IPv6
AS38001 NEWMEDIAEXPRESS-AS-AP - NewMedia Express Pte Ltd, SG Singapore 20,992 5,505,024 IPv6 IPv6
AS209823 ENKI-AS - Enki Multimedia EURL, FR France 768 4,295,360,512 IPv6 IPv6
AS559 Switch, CH Switzerland 2,184,960 176,093,790,208 IPv6 IPv6
AS6939 HURRICANE - Hurricane Electric LLC, US United States 582,912 282,627,370,713,088 IPv6 IPv6
AS34867 COSMONOVA-AS - Cosmonova LLC, UA Ukraine 33,792 34,359,738,368 IPv6 IPv6
AS40528 ICANN-LAX - ICANN, US United States 2,560 262,144 IPv6 IPv6
AS61573 IP TELECOM, BR Brazil 1,024 4,294,967,296 IPv6 IPv6
AS6057 Administracion Nacional de Telecomunicaciones, UY Uruguay 2,156,032 68,719,542,272 IPv6 IPv6
AS24482 SGGS-AS-AP - SG.GS, SG Singapore 20,992 4,294,967,296 IPv6 IPv6
AS27678 NIC Chile, CL Chile 2,304 393,216 IPv6 IPv6
AS47734 TELECOM-IT-SOLUTIONS-AS - Telecom IT Solutions SRL, RO Romania 256 65,536 IPv6 IPv6
AS58511 ANYCAST-GLOBAL-BACKBONE - Anycast Holdings Pty Ltd, AU Australia 22,528 8,589,934,592 IPv6 IPv6
AS5405 INTERDOTLINK - Inter.link GmbH, DE Germany 2,304 34,359,738,368 IPv6 IPv6
AS34019 HIVANE - Hivane Association, FR France 2,816 1,245,184 IPv6 IPv6
AS50877 AIRBEAM-AS - Airbeam S.r.l., IT Italy 6,144 34,359,738,368 IPv6 IPv6
AS52320 GlobeNet Cabos Submarinos Colombia, S.A.S., CO Colombia 4,096 8,589,934,592 IPv6 IPv6
AS25091 IP-Max - IP-Max SA, CH Switzerland 15,104 68,719,607,808 IPv6 IPv6
AS56987 AS-ABACLOUDA - ABACLOUDA SAS, FR France 1,024 34,359,738,368 IPv6 IPv6
AS199524 GCORE - G-Core Labs S.A., LU Luxembourg 111,616 112,721,920 IPv6 IPv6
AS262427 Invista Net Provedor de Acesso Ltda, BR Brazil 8,192 4,294,967,296 IPv6 IPv6
AS40994 Alwyzon - Hohl IT e.U., AT Austria 4,352 4,294,967,296 IPv6 IPv6
AS51519 Karabro - Karabro AB, SE Sweden 1,024 34,359,738,368 IPv6 IPv6
AS1916 Rede Nacional de Ensino e Pesquisa, BR Brazil 726,912 268,566,784 IPv6 IPv6
AS14840 BR.Digital Provider, BR Brazil 70,912 14,010,220,544 IPv6 IPv6
AS30844 LIQUID-AS - Liquid Telecommunications Ltd, GB United Kingdom 367,872 38,654,705,664 IPv6 IPv6
AS42473 AS-ANEXIA - Anexia Cloud Solutions GmbH, AT Austria 85,248 4,320,264,192 IPv6 IPv6
AS1299 TWELVE99 - Arelion Sweden AB, SE Sweden 395,008 77,326,843,904 IPv6 IPv6
AS7195 EDGEUNO S.A.S, CO Colombia 31,232 4,275,109,888 IPv6 IPv6
AS48362 TKSWF-AS - Stadtwerke Feldkirch, AT Austria 7,680 4,294,967,296 IPv6 IPv6
AS262462 Aranet Play, BR Brazil 14,336 4,294,967,296 IPv6 IPv6
AS396356 LATITUDE-SH - Latitude.sh, US United States 174,848 288,864,862,208 IPv6 IPv6
AS9498 BBIL-AP - Bharti Airtel Limited, IN India 2,206,976 4,299,161,600 IPv6 IPv6
AS29802 HVC-AS - HIVELOCITY, Inc., US United States 361,280 12,857,638,912 IPv6 IPv6
AS37271 Workonline - Workonline Communications(Pty) Ltd, ZA South Africa 9,216 4,294,967,296 IPv6 IPv6
AS47692 NESSUS - Nessus GmbH, AT Austria 37,120 34,359,869,440 IPv6 IPv6
AS57463 NetIX - NetIX Communications JSC, BG Bulgaria 256 0 IPv6 IPv6
AS29075 IELO - IELO-LIAZO SERVICES SAS, FR France 35,584 107,374,182,400 IPv6 IPv6
AS31510 IKB-AS - Innsbrucker Kommunalbetriebe AG, AT Austria 27,904 4,294,967,296 IPv6 IPv6
AS35360 GARGUNET - Frederic Gargula, CH Switzerland 1,024 34,359,738,368 IPv6 IPv6
AS37474 JINX - ISPA SA, ZA South Africa 1,024 65,536 IPv6 IPv6
AS263237 PowerHost Telecom SPA, CL Chile 3,328 196,608 IPv6 IPv6
AS16876 ICANN-DC - ICANN, US United States 1,792 262,144 IPv6 IPv6
AS53202 Acesso10 Telecom, BR Brazil 8,192 4,294,967,296 IPv6 IPv6
AS6461 ZAYO-6461 - Zayo Bandwidth, US United States 1,661,696 17,717,133,312 IPv6 IPv6
AS41327 FIBERTELECOM-AS - Fiber Telecom S.p.A., IT Italy 7,168 68,719,476,736 IPv6 IPv6
AS53062 ALT | GRUPO BRASIL TECPAR, BR Brazil 32,512 4,504,699,155,841,024 IPv6 IPv6
AS137409 GSLNETWORKS-AS-AP - GSL Networks Pty LTD, AU Australia 99,840 77,403,586,560 IPv6 IPv6
AS267613 ELETRONET S.A., BR Brazil 1,024 4,294,967,296 IPv6 IPv6
AS8674 NETNOD-IX - Netnod AB, SE Sweden 7,936 8,590,065,664 IPv6 IPv6
AS25248 BlueTone-AS - RADIOKOMUNIKACE a.s., CZ Czech 106,752 4,295,032,832 IPv6 IPv6
AS37100 SEACOM-AS - SEACOM Limited, MU Mauritius 1,072,896 12,884,901,888 IPv6 IPv6
AS49544 i3Dnet - i3D.net B.V, NL Netherlands 97,280 351,384,436,736 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 IPv6 IPv6
AS26710 ICANN-ANYCASTED-SERVICES - ICANN, US United States 1,792 393,216 IPv6 IPv6
AS29067 UATLD-AS - LLC "Hostmaster", UA Ukraine 1,792 589,824 IPv6 IPv6

Peers at this Exchange Point

Country/Region IX IPv4 IPv6 Port Speed Updated
South Africa JINX - Johannesburg Internet Exchange 196.60.97.19 2001:43f8:1f0::1:19 10 Gbps 2023-03-20 07:37:15
Ukraine Giganet IXN - Giganet Internet exchange network 185.1.63.124 2001:7f8:6c::379 10 Gbps 2024-02-28 10:29:12
Slovakia NIX.SK - Neutral Internet eXchange Slovakia 194.30.187.3 2001:7f8:91::2:1 10 Gbps 2020-11-30 07:45:14
South Africa JINX - Johannesburg Internet Exchange 196.60.97.18 2001:43f8:1f0::1:18 10 Gbps 2023-03-20 07:37:14
Sweden Netnod Stockholm GREEN -- MTU4470 195.245.240.68 2001:7f8:d:fc::68 10 Gbps 2021-09-16 12:41:39
Czech NIX.CZ - Neutral Internet Exchange in the Czech Republic 91.210.16.13 2001:7f8:14::e:4 100 Gbps 2020-11-11 09:23:04
Singapore SGIX - Singapore Internet Exchange 103.16.102.189 2001:de8:12:100::189 10 Gbps 2020-11-11 09:20:51
Germany DE-CIX Frankfurt - DE-CIX Frankfurt 80.81.193.112 2001:7f8::6268:1:1 10 Gbps 2020-11-11 09:23:04
Czech NIX.CZ - Neutral Internet Exchange in the Czech Republic 91.210.16.3 2001:7f8:14::e:2 100 Gbps 2020-11-11 09:23:04
United States SIX Seattle - Seattle Internet Exchange (MTU 1500) 206.81.80.138 2001:504:16::6268 40 Gbps 2020-11-11 08:56:29
Italy MIX-IT - Milan Internet eXchange 217.29.67.72 2001:7f8:b:100:1d1:a5d2:5192:72 10 Gbps 2019-07-29 07:46:09
Germany DE-CIX Frankfurt - DE-CIX Frankfurt 80.81.192.112 2001:7f8::6268:0:1 10 Gbps 2023-03-20 08:37:15
Brazil IX.br (PTT.br) São Paulo - IX.br (PTT.br) São Paulo 187.16.221.12 2001:12f8::221:12 10 Gbps 2020-11-11 09:23:04
Sweden Netnod Stockholm GREEN -- MTU1500 - Netnod AB 194.68.123.68 2001:7f8:d:ff::68 10 Gbps 2021-09-16 12:41:39
Sweden Netnod Stockholm BLUE -- MTU4470 195.69.119.68 2001:7f8:d:fb::68 10 Gbps 2021-09-16 12:41:39
Sweden Netnod Stockholm BLUE -- MTU1500 194.68.128.68 2001:7f8:d:fe::68 10 Gbps 2021-09-16 12:41:39

Private Peering Facilities

Country/Region Name City Website Updated
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
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:  2020-12-16T13:27:07Z
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