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AS16246

AS16246 is O2 Czech Republic, a.s..

Last updated 3 Nov 2026 from DB-IP ASN Lite (2026-11-01) and RIR statistics (4 Nov 2026)

Short answer

AS16246 belongs to O2 Czech Republic, a.s.. DB-IP Lite attributes 133,120 IPv4 addresses in 13 ranges and 2 IPv6 ranges to it, all or nearly all of the IPv4 space in Czechia. The number is registered with RIPE NCC in Czechia on 7 Feb 2001.

Facts for AS16246
Operator (DB-IP)O2 Czech Republic, a.s.
IPv4 addresses133,120
IPv4 ranges13
IPv6 ranges2
RegistryRIPE NCC
Registered7 Feb 2001
Registry countryCzechia (CZ)

Does it publish a geofeed?

We haven’t checked this network’s registry records for a geofeed yet. The Truth Check looks for one live for any address you test.

Shared addresses (CGNAT)

O2 Czech Republic, a.s. hasn’t been documented as using carrier-grade NAT in a source we could check. To see whether your own connection is behind it, compare your router’s address on the CGNAT check.

IPv6

DB-IP lists 2 IPv6 ranges for AS16246, so customers can get IPv6 addresses, which databases place separately from IPv4.

Where its IPv4 space is used, according to DB-IP

CZ100%

Share of the network’s IPv4 addresses by DB-IP Country Lite. IP Geolocation by DB-IP.

IP ranges

RangeAs CIDRAddresses
77.87.232.0 – 77.87.239.25577.87.232.0/212,048
78.108.152.0 – 78.108.159.25578.108.152.0/212,048
82.150.160.0 – 82.150.191.25582.150.160.0/198,192
86.63.192.0 – 86.63.223.25586.63.192.0/198,192
91.197.116.0 – 91.197.119.25591.197.116.0/221,024
92.240.160.0 – 92.240.191.25592.240.160.0/198,192
94.74.192.0 – 94.74.255.25594.74.192.0/1816,384
95.143.128.0 – 95.143.143.25595.143.128.0/204,096
176.98.96.0 – 176.98.111.255176.98.96.0/204,096
178.17.96.0 – 178.17.111.255178.17.96.0/204,096
185.15.252.0 – 185.15.255.255185.15.252.0/221,024
188.175.0.0 – 188.175.255.255188.175.0.0/1665,536
213.180.32.0 – 213.180.63.255213.180.32.0/198,192
2a02:350:: – 2a02:357:ffff:ffff:ffff:ffff:ffff:ffff2a02:350::/29IPv6
2a03:b4c0:: – 2a03:b4c0:ffff:ffff:ffff:ffff:ffff:ffff2a03:b4c0::/32IPv6
Showing 13 of 13 IPv4 and 2 of 2 IPv6 ranges All ranges (CSV)

IP Geolocation by DB-IP, ASN Lite, CC BY 4.0.

Using an address from this network? See which sources agree on where it is.

Sources

  1. DB-IP IP to ASN Lite (CC BY 4.0) · checked 3 Nov 2026
  2. NRO RIR delegated-extended statistics · checked 5 Nov 2026