AS5610

Name: AS5610 — O2 Czech Republic, a.s.
Creator: ipdex

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

67IPv4 prefixes

5IPv6 prefixes

88%RPKI-valid

#635AS Rank

#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 109.80.0.0/15 valid
v4 109.81.112.0/20 valid
v4 109.81.160.0/20 valid
v4 160.218.0.0/16 valid
v4 161.195.144.0/24 valid
v4 185.143.112.0/22 unknown
v4 185.61.228.0/22 valid
v4 193.17.13.0/24 valid
v4 193.84.12.0/22 unknown
v4 193.84.12.0/23 unknown
v4 193.84.14.0/23 unknown
v4 194.165.47.0/24 unknown
v4 194.228.0.0/16 valid
v4 194.228.0.0/17 valid
v4 194.228.128.0/17 valid
v4 194.228.72.0/22 valid
v4 194.50.248.0/23 unknown
v4 195.5.186.0/24 valid
v4 217.117.208.0/20 valid
v4 217.194.160.0/20 valid
v4 37.188.128.0/17 valid
v4 5.23.39.0/24 valid
v4 80.188.0.0/16 valid
v4 80.188.0.0/17 valid
v4 80.188.128.0/17 valid
v4 80.188.222.0/24 valid
v4 80.188.40.0/24 valid
v4 81.90.160.0/20 valid
v4 81.90.168.0/21 valid
v4 81.90.168.0/24 valid
v4 81.90.170.0/24 valid
v4 81.90.173.0/24 valid
v4 83.208.0.0/16 valid
v4 83.208.0.0/18 valid
v4 83.208.128.0/19 valid
v4 83.208.220.0/22 valid
v4 83.208.64.0/18 valid
v4 83.69.32.0/19 valid
v4 85.160.0.0/15 valid
v4 85.193.0.0/18 valid
v4 85.70.0.0/15 valid
v4 85.70.0.0/16 valid
v4 85.70.0.0/17 valid
v4 85.70.128.0/17 valid
v4 85.71.0.0/16 valid
v4 85.71.224.0/19 valid
v4 88.100.0.0/14 valid
v4 88.100.0.0/15 valid
v4 88.102.0.0/16 valid
v4 88.83.160.0/19 valid

RPKI: rpki.cloudflare.com · 2026-06-19

— Routing status unavailable

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	72
2026-06-13	72

Internet Exchanges · 1

NIX.CZ Prague 2,400 Gbps

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AS5610

Announced prefixes · 72

Prefix history

Internet Exchanges · 1

AS topology · Customer cone 71

Providers · 2

Peers · 25

Customers · 39

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