AS29321 is the autonomous system of O2 Czech Republic, a.s.. It holds 15,360 IPv4 addresses in 5 prefixes plus 1 IPv6 ranges, mainly in 
Czechia.
By IPv4 addresses the network ranks #7,271 worldwide and #44 of 562 networks in Czechia. That is 0.18% of the country’s IPv4 space.
The largest block is 217.195.160.0 to 217.195.175.255 with 4,096 addresses, geolocated to New Town.
- IPv4 addresses
- 15,360
- IPv4 prefixes
- 5
- World rank
- #7,271
- Country share
- 0.18%
- IPv6 ranges
- 1
Addresses by country
- Czechia 100%
Largest blocks
- 217.195.160.0 New Town4,096
- 109.239.64.0 Prague4,096
- 80.243.96.0 Prague4,096
- 94.143.168.0 New Town2,048
- 194.59.240.0 Aš1,024
Networks of similar size
15,360
15,360
15,360
15,360
15,360
15,360IPv4 prefixes
Questions and answers
Who owns AS29321?
Autonomous system AS29321 is operated by O2 Czech Republic, a.s..
How many IP addresses does AS29321 have?
The network holds 15,360 IPv4 addresses in 5 prefixes, plus 1 IPv6 ranges.
Which country is AS29321 in?
The main country is Czechia.
How big is AS29321?
By IPv4 addresses it ranks #7,271 worldwide.
What is the largest address block of AS29321?
217.195.160.0 to 217.195.175.255, 4,096 addresses.