AS29321

Name: AS29321 — O2 Czech Republic, a.s.
Creator: ipdex

O2 Czech Republic, a.s. ISP registered in Czechia

5IPv4 prefixes

1IPv6 prefixes

100%RPKI-valid

#24,884AS Rank

325/325RIS visibility

#113Rank in Czechia

2003-07-31Allocated

O2 Czech Republic, a.s. (AS29321) — ISP, registered in Czechia. announces 5 IPv4 prefixes + 1 IPv6 prefixes. Rank in Czechia: #113. Allocated: 2003-07-31.

IPv4 5IPv6 1

Announced prefixes · 6

v4 109.239.64.0/20 valid
v4 194.59.240.0/22 valid
v4 217.195.160.0/20 valid
v4 80.243.96.0/20 valid
v4 94.143.168.0/21 valid
v6 2a02:b20::/32 valid

RPKI: rpki.cloudflare.com · 2026-06-17

Routing: 5 IPv4 · 1 IPv6 announced · RIS visibility 325/325 RIS peers · RIPEstat · 2026-06-18

Prefix history

Announced prefixes Source: ipdex daily snapshot · sparse rows, value holds until the next change (steps)

Data table

Day	Announced prefixes
2026-06-12	6
2026-06-13	6

Facilities · 1

1 Facilities · 1 Countries

CE Colo Prague Prague

AS topology · Customer cone 1

Providers · 1

AS16246 O2 Czech Republic, a.s.

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