AS12570
O2 Czech Republic, a.s. ISP registered in Czechia
11IPv4 prefixes
2IPv6 prefixes
100%RPKI-valid
#2,469AS Rank
327/327RIS visibility
#45Rank in Czechia
1999-07-28Allocated
O2 Czech Republic, a.s. (AS12570) — ISP, registered in Czechia. announces 11 IPv4 prefixes + 2 IPv6 prefixes. Rank in Czechia: #45. Allocated: 1999-07-28.
IPv4 11IPv6 2
Announced prefixes · 13
- v4 109.105.32.0/19 valid
- v4 185.8.188.0/22 valid
- v4 193.17.248.0/22 valid
- v4 195.78.122.0/23 valid
- v4 212.4.128.0/19 valid
- v4 212.96.160.0/19 valid
- v4 213.211.32.0/19 valid
- v4 80.78.144.0/20 valid
- v4 88.83.224.0/19 valid
- v4 89.190.40.0/21 valid
- v4 89.190.48.0/20 valid
- v6 2001:4ba8::/29 valid
- v6 2a0b:bb41::/32 valid
RPKI: rpki.cloudflare.com · 2026-06-17
Routing: 11 IPv4 · 2 IPv6 announced · RIS visibility 327/327 RIS peers · RIPEstat · 2026-06-17
Prefix history
Data table
| Day | Announced prefixes |
|---|---|
| 2026-06-12 | 13 |
| 2026-06-13 | 13 |
Internet Exchanges · 1
- BR-IX Brno 10 Gbps
Facilities · 7
- CE Colo Prague Prague
- Master DC Brno Brno
- Sitel Bratislava Bratislava
- Slovak University of Technology Bratislava
- TTC TELEPORT DC1 Prague
- itself TH Brno Brno
- itself TH Ivančice Ivančice
AS topology · Customer cone 11
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