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Czechia · ASN

AS5610 · O2-CZECH-REPUBLIC O2 Czech Republic, a.s.

O2-CZECH-REPUBLIC O2 Czech Republic, a.s. is registered in Czechia (RIPE NCC). It currently announces 67 IPv4 prefixes (about 1,542,400 addresses) and 5 IPv6 prefixes in the global routing table; PeeringDB lists it as “Cable/DSL/ISP”.

Country / region
Czechia
RIPE NCC
IPv4 addresses
1,542,400
67 prefixes
IPv6
5
prefixes
Upstream / downstream
24 / 42
neighbours

AI platforms by the network’s registered country; the exit IP’s location is what counts

ChatGPTClaudeGeminiMuse not available

IPs checked on IP Judge datacenter / proxy IPs listed; residential and mobile only counted

No IP from this network has been checked yet.

Neighbouring networks

Upstreams (transit providers)

AS1299 · TWELVE99 Arelion Sweden ABAS174 · COGENT-174 - Cogent CommunicAS6939 · HURRICANE - Hurricane ElectrAS6461 · ZAYO-6461 - Zayo BandwidthAS199803 · ComSource ComSource s.r.o.AS8218 · NEO-ASN Zayo Infrastructure AS1764 · NEXTLAYER-AS Next Layer TeleAS33891 · CORE-BACKBONE Core-Backbone AS14840 · AS14840 - BR.Digital TelecomAS8220 · COLT COLT Technology ServiceAS39392 · SuperNetwork SH.cz s.r.o.AS4455 · BSO IX Reach Ltd

Downstreams (networks connected through it)

AS16246 · AS16246 O2 Czech Republic, aAS42908 · CZ-NORDICTELECOMREGIONAL O2 AS205233 · AS_KBCGROUP_CSOBCZ KBC GLOBAAS197353 · INGMS_CZ NN Management ServiAS35096 · ALEFNULA Alef Nula a.s.AS198282 · cablenet CAH Building s.r.o.AS208712 · CENDIS CENDIS, s.p.AS215711 · MZE The Ministry of AgricultAS211274 · QCZ Quadruple a.s.AS208906 · SYNOT-CZ SYNOT ICT Services,AS15380 · ANSCZ Air Navigation ServiceAS198605 · AVAST-AS-DC AVAST Software s

IPv4 prefixes 67 total

5.23.39.0/2437.188.128.0/1780.188.0.0/1780.188.0.0/1680.188.40.0/2480.188.128.0/1780.188.222.0/2481.90.160.0/2081.90.168.0/2481.90.168.0/2181.90.170.0/2481.90.173.0/2483.69.32.0/1983.208.0.0/1683.208.0.0/1883.208.64.0/1883.208.128.0/1983.208.220.0/2285.70.0.0/1785.70.0.0/1585.70.0.0/1685.70.128.0/1785.71.0.0/1685.71.224.0/1985.160.0.0/1585.193.0.0/1888.83.160.0/1988.83.175.0/2488.100.0.0/1488.100.0.0/1588.102.0.0/1690.176.32.0/1990.176.64.0/1890.176.128.0/1790.176.170.0/2490.177.0.0/1690.178.0.0/1590.180.0.0/1490.181.0.0/1690.182.0.0/1690.182.108.0/2490.183.0.0/1691.191.64.0/1891.193.132.0/2291.213.10.0/2491.232.82.0/2492.243.192.0/19109.80.0.0/15109.81.112.0/20109.81.160.0/20160.218.0.0/16161.195.144.0/24185.61.228.0/22185.143.112.0/22193.17.13.0/24193.84.12.0/23193.84.12.0/22193.84.14.0/23194.50.248.0/23194.165.47.0/24194.228.0.0/17194.228.0.0/16194.228.72.0/22194.228.128.0/17195.5.186.0/24217.117.208.0/20217.194.160.0/20

IPv6 prefixes 5 total

2001:41d8::/322001:67c:dd4::/482a00:1028::/292a00:1028::/322a02:9b8::/31

Sources: RIPEstat (regional registry allocations and RIS routing data), PeeringDB, IP Judge lookups. Routing data refreshes daily.