AS5610
O2 Czech Republic, a.s. ISP registered in Czechia
67IPv4 prefixes
5IPv6 prefixes
88%RPKI-valid
#635AS Rank
327/327RIS visibility
#4Rank in Czechia
1996-04-25Allocated
O2 Czech Republic, a.s. (AS5610) — ISP, registered in Czechia. announces 67 IPv4 prefixes + 5 IPv6 prefixes. Rank in Czechia: #4. Allocated: 1996-04-25.
IPv4 67IPv6 5
Announced prefixes · 72
- v4 88.83.175.0/24 valid
- v4 90.176.128.0/17 valid
- v4 90.176.170.0/24 valid
- v4 90.176.32.0/19 valid
- v4 90.176.64.0/18 valid
- v4 90.177.0.0/16 valid
- v4 90.178.0.0/15 valid
- v4 90.180.0.0/14 valid
- v4 90.181.0.0/16 valid
- v4 90.182.0.0/16 valid
- v4 90.182.108.0/24 valid
- v4 90.183.0.0/16 valid
- v4 91.191.64.0/18 valid
- v4 91.193.132.0/22 unknown
- v4 91.213.10.0/24 unknown
- v4 91.232.82.0/24 valid
- v4 92.243.192.0/19 valid
- v6 2001:41d8::/32 valid
- v6 2001:67c:dd4::/48 unknown
- v6 2a00:1028::/29 valid
- v6 2a00:1028::/32 valid
- v6 2a02:9b8::/31 valid
RPKI: rpki.cloudflare.com · 2026-06-20
Routing: 67 IPv4 · 5 IPv6 announced · RIS visibility 327/327 RIS peers · RIPEstat · 2026-06-20
Prefix history
Data table
| Day | Announced prefixes |
|---|---|
| 2026-06-12 | 72 |
| 2026-06-13 | 72 |
Internet Exchanges · 1
- NIX.CZ Prague 2,400 Gbps
AS topology · Customer cone 71
Peers · 25
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