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ASN Lookup Tool
AS16246 AS16246

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS16246
Organisation
O2 Czech Republic, a.s.
Name
AS16246
Total IPv4 Addresses
133,120
Total IPv4 Prefixes
13
Total IPv6 Prefixes
2
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#1,541 out of 79,003
Registry
Ripe
Registered Country
CZ flagCZ
Registered Country Name
Czechia
Registered Date
2003-10-21
Registration Last Change
2024-06-20
Receiving From
ASN
Organisation
AS5610
CZ flagO2 Czech Republic, a.s.
Transit To
ASN
Organisation
AS31246
CZ flagO2 Czech Republic, a.s.
AS12570
CZ flagO2 Czech Republic, a.s.
AS41046
CZ flagO2 Czech Republic, a.s.
AS197197
CZ flagNova Optika s. r. o.
AS29321
CZ flagO2 Czech Republic, a.s.
Showing 5 of 14
IPv4 Active Prefixes
PrefixRange FromRange To
77.87.232.0/2177.87.232.077.87.239.255
78.108.152.0/2178.108.152.078.108.159.255
82.150.160.0/1982.150.160.082.150.191.255
86.63.192.0/1986.63.192.086.63.223.255
91.197.116.0/2291.197.116.091.197.119.255
Showing 5 of 13
IPv6 Active Prefixes
PrefixRange FromRange To
2a02:350::/292a02:350::2a02:357:ffff:ffff:ffff:ffff:ffff:ffff
2a03:b4c0::/322a03:b4c0::2a03:b4c0:ffff:ffff:ffff:ffff:ffff:ffff