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ASN Lookup Tool
AS31246 NETBOX-AS

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS31246
Organisation
O2 Czech Republic, a.s.
Name
NETBOX-AS
Total IPv4 Addresses
66,560
Total IPv4 Prefixes
5
Total IPv6 Prefixes
2
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#2,773 out of 79,104
Registry
Ripe
Registered Country
CZ flagCZ
Registered Country Name
Czechia
Registered Date
2004-03-30
Registration Last Change
2024-06-20
Receiving From

The list of active Autonomous Systems (ASs) which send traffic to that ASN.

ASN
Organisation
AS16246
CZ flagO2 Czech Republic, a.s.
IPv4 Active Prefixes

This provides the list of IPv4 address space routes/prefixes currently announced on Border Gateway Protocol (BGP).

PrefixRange FromRange To
46.39.160.0/1946.39.160.046.39.191.255
83.240.0.0/1783.240.0.083.240.127.255
95.82.128.0/1895.82.128.095.82.191.255
185.51.240.0/22185.51.240.0185.51.243.255
213.155.224.0/19213.155.224.0213.155.255.255
IPv6 Active Prefixes
PrefixRange FromRange To
2001:4cc8::/312001:4cc8::2001:4cc9:ffff:ffff:ffff:ffff:ffff:ffff
2a0a:cac0::/292a0a:cac0::2a0a:cac7:ffff:ffff:ffff:ffff:ffff:ffff