AS16246 is the autonomous system of O2 Czech Republic, a.s.. It holds 133,120 IPv4 addresses in 13 prefixes plus 2 IPv6 ranges, mainly in 
Czechia.
By IPv4 addresses the network ranks #1,459 worldwide and #10 of 562 networks in Czechia. That is 1.5% of the country’s IPv4 space.
The largest block is 188.175.0.0 to 188.175.255.255 with 65,536 addresses, geolocated to Prague.
- IPv4 addresses
- 133,120
- IPv4 prefixes
- 13
- World rank
- #1,459
- Country share
- 1.5%
- IPv6 ranges
- 2
Addresses by country
- Czechia 100%
Largest blocks
- 188.175.0.0 Prague65,536
- 94.74.192.0 Prague16,384
- 213.180.32.0 Dolní Chabry8,192
- 92.240.160.0 Prague8,192
- 86.63.192.0 Prague (Praha 4)8,192
- 82.150.160.0 Prague8,192
- 178.17.96.0 Prague4,096
- 176.98.96.0 Příbram (Příbram III)4,096
Networks of similar size
133,376
133,376
133,120
133,120IPv4 prefixes
Questions and answers
Who owns AS16246?
Autonomous system AS16246 is operated by O2 Czech Republic, a.s..
How many IP addresses does AS16246 have?
The network holds 133,120 IPv4 addresses in 13 prefixes, plus 2 IPv6 ranges.
Which country is AS16246 in?
The main country is Czechia.
How big is AS16246?
By IPv4 addresses it ranks #1,459 worldwide.
What is the largest address block of AS16246?
188.175.0.0 to 188.175.255.255, 65,536 addresses.