← Back to Search
General Information
Name:
O2 Czech Republic, A.S.
Domain:
o2.cz
Country:
CZ
Type:
isp
Registry:
RIPE_NCC
Prefix Counts
IPv4 Count:
183,296
IPv6 Count:
2,931,442,013,027,780,490,961,126,162,432
IPv4 Prefixes
| CIDR | Country | Network Name | Organization | Registry | Status | Size |
|---|---|---|---|---|---|---|
| 5.102.48.0/20 | CZ | CZ-NORDICTELECOMREGIONAL-20120627 | CZ-NORDICTELECOMREGIONAL-20120627 | RIPE_NCC | ASSIGNED PA | 4,096 |
| 31.10.56.0/21 | CZ | CZ-NORDICTELECOMREGIONAL-20110414 | CZ-NORDICTELECOMREGIONAL-20110414 | RIPE_NCC | ASSIGNED PA | 2,048 |
| 45.159.116.0/22 | CZ | CZ-CZNET-20191001 | O2 Czech Republic, A.S. | RIPE_NCC | ALLOCATED PA | 1,024 |
| 46.183.56.0/21 | CZ | CZ-CZNET-20101202 | O2 Czech Republic, A.S. | RIPE_NCC | ALLOCATED PA | 2,048 |
| 46.231.72.0/21 | CZ | CZ-NORDICTELECOMREGIONAL-20110207 | CZ-NORDICTELECOMREGIONAL-20110207 | RIPE_NCC | ASSIGNED PA | 2,048 |
| 77.95.192.0/21 | CZ | CZ-NORDICTELECOMREGIONAL-20070613 | CZ-NORDICTELECOMREGIONAL-20070613 | RIPE_NCC | ASSIGNED PA | 2,048 |
| 78.136.128.0/18 | CZ | CZ-NORDICTELECOMREGIONAL-20070509 | CZ-NORDICTELECOMREGIONAL-20070509 | RIPE_NCC | ASSIGNED PA | 16,384 |
| 80.78.136.0/22 | CZ | CZ-CZNET-20180814 | O2 Czech Republic, A.S. | RIPE_NCC | ALLOCATED PA | 1,024 |
| 80.79.0.0/22 | CZ | CZ-CZNET-20180814 | O2 Czech Republic, A.S. | RIPE_NCC | ALLOCATED PA | 1,024 |
| 80.87.176.0/20 | CZ | CZ-NORDICTELECOMREGIONAL-20050520 | CZ-NORDICTELECOMREGIONAL-20050520 | RIPE_NCC | ASSIGNED PA | 4,096 |
| 80.90.128.0/20 | CZ | CZ-NORDICTELECOMREGIONAL-20081007 | CZ-NORDICTELECOMREGIONAL-20081007 | RIPE_NCC | ASSIGNED PA | 4,096 |
| 80.243.236.0/22 | CZ | CZ-CZNET-20180814 | O2 Czech Republic, A.S. | RIPE_NCC | ALLOCATED PA | 1,024 |
| 80.251.240.0/20 | CZ | CZ-NORDICTELECOMREGIONAL-20051121 | CZ-NORDICTELECOMREGIONAL-20051121 | RIPE_NCC | ASSIGNED PA | 4,096 |
| 88.81.64.0/19 | CZ | CZ-NORDICTELECOMREGIONAL-20051202 | CZ-NORDICTELECOMREGIONAL-20051202 | RIPE_NCC | ASSIGNED PA | 8,192 |
| 91.187.32.0/19 | CZ | CZ-NORDICTELECOMREGIONAL-20061116 | CZ-NORDICTELECOMREGIONAL-20061116 | RIPE_NCC | ASSIGNED PA | 8,192 |
| 92.61.80.0/20 | CZ | CZ-NORDICTELECOMREGIONAL-20071218 | CZ-NORDICTELECOMREGIONAL-20071218 | RIPE_NCC | ASSIGNED PA | 4,096 |
| 93.92.48.0/21 | CZ | CZ-NORDICTELECOMREGIONAL-20080123 | CZ-NORDICTELECOMREGIONAL-20080123 | RIPE_NCC | ASSIGNED PA | 2,048 |
| 93.93.32.0/21 | CZ | CZ-NORDICTELECOMREGIONAL-20120813 | CZ-NORDICTELECOMREGIONAL-20120813 | RIPE_NCC | ASSIGNED PA | 2,048 |
| 94.241.64.0/18 | CZ | CZ-NORDICTELECOMREGIONAL-20080929 | CZ-NORDICTELECOMREGIONAL-20080929 | RIPE_NCC | ASSIGNED PA | 16,384 |
| 109.108.96.0/19 | CZ | CZ-NORDICTELECOMREGIONAL-20091027 | CZ-NORDICTELECOMREGIONAL-20091027 | RIPE_NCC | ASSIGNED PA | 8,192 |
| 176.102.128.0/19 | CZ | CZ-CZNET-20111125 | O2 Czech Republic, A.S. | RIPE_NCC | ALLOCATED PA | 8,192 |
| 178.17.80.0/20 | CZ | CZ-NORDICTELECOMREGIONAL-20100318 | CZ-NORDICTELECOMREGIONAL-20100318 | RIPE_NCC | ASSIGNED PA | 4,096 |
| 185.78.12.0/22 | CZ | CZ-NORDICTELECOMREGIONAL-20141120 | CZ-NORDICTELECOMREGIONAL-20141120 | RIPE_NCC | ASSIGNED PA | 1,024 |
| 185.82.236.0/22 | CZ | CZ-CZNET-20150105 | O2 Czech Republic, A.S. | RIPE_NCC | ALLOCATED PA | 1,024 |
| 185.108.60.0/22 | CZ | CZ-CZNET-20150708 | O2 Czech Republic, A.S. | RIPE_NCC | ALLOCATED PA | 1,024 |
| 185.157.240.0/22 | CZ | CZ-CZNET-20160630 | O2 Czech Republic, A.S. | RIPE_NCC | ALLOCATED PA | 1,024 |
| 188.119.96.0/22 | CZ | CZ-CZNET-20181123 | O2 Czech Republic, A.S. | RIPE_NCC | ALLOCATED PA | 1,024 |
| 193.42.128.0/22 | CZ | CZ-CZNET-20180426 | O2 Czech Republic, A.S. | RIPE_NCC | ALLOCATED PA | 1,024 |
| 193.107.252.0/22 | CZ | CZ-CZNET-20100317 | O2 Czech Republic, A.S. | RIPE_NCC | ALLOCATED PA | 1,024 |
| 213.19.0.0/17 | CZ | CZ-NORDICTELECOMREGIONAL-20030926 | CZ-NORDICTELECOMREGIONAL-20030926 | RIPE_NCC | ASSIGNED PA | 32,768 |
| 213.155.32.0/19 | CZ | CZ-NORDICTELECOMREGIONAL-20071207 | CZ-NORDICTELECOMREGIONAL-20071207 | RIPE_NCC | ASSIGNED PA | 8,192 |
| 213.250.192.0/18 | CZ | CZ-NORDICTELECOMREGIONAL-20030228 | CZ-NORDICTELECOMREGIONAL-20030228 | RIPE_NCC | ASSIGNED PA | 16,384 |
| 217.170.96.0/20 | CZ | CZ-NORDICTELECOMREGIONAL-20081121 | CZ-NORDICTELECOMREGIONAL-20081121 | RIPE_NCC | ASSIGNED PA | 4,096 |
| 217.196.112.0/20 | CZ | CZ-CZNET-20100514 | O2 Czech Republic, A.S. | RIPE_NCC | ALLOCATED PA | 4,096 |
| 217.197.144.0/20 | CZ | CZ-NORDICTELECOMREGIONAL-20041021 | CZ-NORDICTELECOMREGIONAL-20041021 | RIPE_NCC | ASSIGNED PA | 4,096 |
IPv6 Prefixes
| CIDR | Country | Network Name | Organization | Registry | Status |
|---|---|---|---|---|---|
| 2a00:e4c0::/32 | CZ | CZ-NORDICTELECOMREGIONAL-20120425_BB_N_infr_IPv6 | Cz-nordictelecomregional-20120425 Bb N Infr Ipv6 | RIPE_NCC | ASSIGNED |
| 2a01:9f40::/29 | CZ | CZ-NORDICTELECOMREGIONAL-20120809_MBB_BNG | Mbb Customers Dchp And Ppoe | RIPE_NCC | AGGREGATED-BY-LIR |
| 2a02:2428::/32 | CZ | CZ-NORDICTELECOMREGIONAL-20100915_MBB_BNG | CZ-NORDICTELECOMREGIONAL-20100915 MBB BNG | RIPE_NCC | AGGREGATED-BY-LIR |
| 2a02:2588::/29 | CZ | CZ-CZNET-20101006 | O2 Czech Republic, A.S. | RIPE_NCC | ALLOCATED-BY-RIR |
| 2a03:1600::/32 | CZ | CZ-CZNET-20110204 | O2 Czech Republic, A.S. | RIPE_NCC | ALLOCATED-BY-RIR |
| 2a03:7a00::/32 | CZ | CZ-NORDICTELECOMREGIONAL-20110207_B2B-CPE_infrastructure | Cz-nordictelecomregional-20110207 B2b-cpe Infrastructure | RIPE_NCC | AGGREGATED-BY-LIR |
| 2a03:a820::/32 | CZ | CZ-NORDICTELECOMREGIONAL-20160219_B2B_REGIONAL_PE2_customers | Cz-nordictelecomregional-20160219 B2B Regional Pe2 Customers | RIPE_NCC | AGGREGATED-BY-LIR |
| 2a07:cc80::/29 | CZ | CZ-CZNET-20181018 | O2 Czech Republic, A.S. | RIPE_NCC | ALLOCATED-BY-RIR |
| 2a0c:8b40::/29 | CZ | CZ-NORDICTELECOMREGIONAL-20180426_MBB_BNG_customers | Mbb Customers Dchp And Ppoe | RIPE_NCC | AGGREGATED-BY-LIR |
