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General Information
Name:
O2 Czech Republic, A.S.
Domain:
o2.cz
Country:
CZ
Type:
isp
Registry:
RIPE_NCC
Prefix Counts
IPv4 Count:
135,168
IPv6 Count:
792,281,625,142,643,375,935,439,503,360
IPv4 Prefixes
| CIDR | Country | Network Name | Organization | Registry | Status | Size |
|---|---|---|---|---|---|---|
| 77.87.232.0/21 | CZ | CZ-NEJ | O2 Czech Republic, A.S. | RIPE_NCC | ASSIGNED PI | 2,048 |
| 78.108.144.0/21 | CZ | MC-PORUBANET-2013-2-ASS1 | PorubaNET | RIPE_NCC | ASSIGNED PA | 2,048 |
| 78.108.152.0/21 | CZ | PORUBANET-ASS2 | Assignment for Porubanet's Fo Customers | RIPE_NCC | ASSIGNED PA | 2,048 |
| 82.150.160.0/19 | CZ | RIONET | CustomersPeers | RIPE_NCC | ASSIGNED PA | 8,192 |
| 86.63.192.0/19 | CZ | CLNET | RIONET | RIPE_NCC | ASSIGNED PA | 8,192 |
| 91.197.116.0/22 | CZ | CZ-NEJ | O2 Czech Republic, A.S. | RIPE_NCC | ASSIGNED PI | 1,024 |
| 92.240.160.0/19 | CZ | RIOMEDIA | RIOMEDIA | RIPE_NCC | ASSIGNED PA | 8,192 |
| 94.74.192.0/18 | CZ | CZ-CZNET-20080717 | O2 Czech Republic, A.S. | RIPE_NCC | ALLOCATED PA | 16,384 |
| 95.143.128.0/20 | CZ | LTnet | Ltnet.cz Infrastructure | RIPE_NCC | ASSIGNED PA | 4,096 |
| 176.98.96.0/20 | CZ | CZ-CZNET-20111013 | O2 Czech Republic, A.S. | RIPE_NCC | ALLOCATED PA | 4,096 |
| 178.17.96.0/20 | CZ | NEJCZ_CATR | NEJCZ CATR | RIPE_NCC | ASSIGNED PA | 4,096 |
| 185.15.252.0/22 | CZ | SPORKNET | Sporknet S.R.O. | RIPE_NCC | ASSIGNED PA | 1,024 |
| 188.175.0.0/16 | CZ | RIOMEDIA | Riomedia Frydek Mistek | RIPE_NCC | ASSIGNED PA | 65,536 |
| 213.180.32.0/19 | CZ | RIONET | Riomedia Network Prague | RIPE_NCC | ASSIGNED PA | 8,192 |
IPv6 Prefixes
| CIDR | Country | Network Name | Organization | Registry | Status |
|---|---|---|---|---|---|
| 2a00:d480::/32 | CZ | CZ-CZNET-20110527 | O2 Czech Republic, A.S. | RIPE_NCC | ALLOCATED-BY-RIR |
| 2a02:350::/29 | CZ | RioNET | Nej.cz S.R.O. | RIPE_NCC | ALLOCATED-BY-LIR |
| 2a03:b4c0::/32 | CZ | SPORKNET | Sporknet S.R.O. | RIPE_NCC | ASSIGNED |
