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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
#1,540 out of 79,041
Registry
Ripe
Registered Country
CZ flag CZ
Registered Country Name
Czechia
Registered Date
2003-10-21
Registration Last Change
2024-06-20
Receiving From

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

ASN
Organisation
AS5610
CZ flagO2 Czech Republic, a.s.
Transit To

The list of active Autonomous Systems (ASs) which receive traffic from that ASN.

 

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

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

Prefix77.87.232.0/21
Range From77.87.232.0
Range To77.87.239.255
Prefix78.108.152.0/21
Range From78.108.152.0
Range To78.108.159.255
Prefix82.150.160.0/19
Range From82.150.160.0
Range To82.150.191.255
Prefix86.63.192.0/19
Range From86.63.192.0
Range To86.63.223.255
Prefix91.197.116.0/22
Range From91.197.116.0
Range To91.197.119.255
Showing 5 of 13
IPv6 Active Prefixes
Prefix2a02:350::/29
Range From2a02:350::
Range To2a02:357:ffff:ffff:ffff:ffff:ffff:ffff
Prefix2a03:b4c0::/32
Range From2a03:b4c0::
Range To2a03:b4c0:ffff:ffff:ffff:ffff:ffff:ffff