Autonomous systems
AS29321 CENTRONETAS Czech Republic
IPv4 prefixes
5
IPv4 addresses
15,360
IPv6 prefixes
1
Registered
2003-07-31
whois.ripe.net
At a glance
- Country
- 🇨🇿 Czechia
- Network type
- Unclassified network
- Registry name
- CentroNetAS AS29321
- registrant
- AS5610-MTN
- administrative, technical
- 5610-Tech-and-Admin abuse@o2.cz
- registrant
- O2 Czech Republic, a.s.
- registrant
- RIPE-NCC-END-MNT
IPv4 prefixes
Page 1
| CIDR | First address | Last address | Addresses |
|---|---|---|---|
| 80.243.96.0/20 | 80.243.96.0 | 80.243.111.255 | 4,096 |
| 94.143.168.0/21 | 94.143.168.0 | 94.143.175.255 | 2,048 |
| 109.239.64.0/20 | 109.239.64.0 | 109.239.79.255 | 4,096 |
| 194.59.240.0/22 | 194.59.240.0 | 194.59.243.255 | 1,024 |
| 217.195.160.0/20 | 217.195.160.0 | 217.195.175.255 | 4,096 |
IPv6 prefixes
1
2a02:b20::/32