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ASN Lookup Tool
AS5610 O2-CZECH-REPUBLIC

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS5610
Organisation
O2 Czech Republic, a.s.
Name
O2-CZECH-REPUBLIC
Total IPv4 Addresses
1,541,608
Total IPv4 Prefixes
117
Total IPv6 Prefixes
7
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#258 out of 78,892
Registry
Ripe
Registered Country
CZ flagCZ
Registered Country Name
Czechia
Registered Date
2002-07-22
Registration Last Change
2024-06-12
Receiving From
ASN
Organisation
AS174
US flagCogent Communications, LLC
AS6461
US flagZayo Bandwidth
AS6939
US flagHurricane Electric LLC
AS1299
SE flagArelion Sweden AB
AS60068
GB flagDatacamp Limited
Showing 5 of 15
Transit To
ASN
Organisation
AS65125
WORLD flagPrivate Use AS
AS59747
CZ flagNIX.CZ z.s.p.o.
AS42908
CZ flagO2 Czech Republic, a.s.
AS2571
CZ flagDHL Information Services (Europe) s.r.o
AS16246
CZ flagO2 Czech Republic, a.s.
Showing 5 of 40
IPv4 Active Prefixes
PrefixRange FromRange To
5.23.39.0/245.23.39.05.23.39.255
37.188.128.0/1737.188.128.037.188.255.255
80.188.0.0/1980.188.0.080.188.31.255
80.188.32.0/2180.188.32.080.188.39.255
80.188.40.0/2480.188.40.080.188.40.255
Showing 5 of 117
IPv6 Active Prefixes
PrefixRange FromRange To
2001:67c:dd4::/482001:67c:dd4::2001:67c:dd4:ffff:ffff:ffff:ffff:ffff
2001:41d8::/322001:41d8::2001:41d8:ffff:ffff:ffff:ffff:ffff:ffff
2a00:1028::/322a00:1028::2a00:1028:ffff:ffff:ffff:ffff:ffff:ffff
2a00:1029::/322a00:1029::2a00:1029:ffff:ffff:ffff:ffff:ffff:ffff
2a00:102a::/312a00:102a::2a00:102b:ffff:ffff:ffff:ffff:ffff:ffff
Showing 5 of 7