IPv4 addresses
218,368
CIDR ranges
33
Category
enterprise
Countries served by O2 UK
Every country where this organization has IPv4 allocations, ranked by IPs held.
ASNs owned by O2 UK
Largest CIDR ranges
| CIDR | IPs | ASN |
|---|---|---|
| 93.97.0.0/16 | 65.5K | AS35228 |
| 87.194.0.0/16 | 65.5K | AS35228 |
| 158.230.0.0/17 | 32.8K | AS35228 |
| 46.233.64.0/18 | 16.4K | AS35228 |
| 82.132.224.0/20 | 4.1K | AS35228 |
| 82.132.160.0/20 | 4.1K | AS35228 |
| 82.132.144.0/20 | 4.1K | AS29180 |
| 82.132.200.0/21 | 2.0K | AS29180 |
| 82.132.240.0/21 | 2.0K | AS35228 |
| 82.132.216.0/21 | 2.0K | AS35228 |
| 109.94.128.0/21 | 2.0K | AS56460 |
| 82.132.176.0/21 | 2.0K | AS35228 |
| 82.132.128.0/21 | 2.0K | AS29180 |
| 158.230.200.0/22 | 1.0K | AS35228 |
| 185.79.104.0/22 | 1.0K | AS35228 |
| 82.132.212.0/22 | 1.0K | AS35228 |
| 185.238.16.0/22 | 1.0K | AS29180 |
| 82.132.140.0/22 | 1.0K | AS29180 |
| 82.132.184.0/22 | 1.0K | AS35228 |
| 82.132.188.0/22 | 1.0K | AS29180 |
| 82.132.192.0/22 | 1.0K | AS29180 |
| 82.132.136.0/23 | 512 | AS29180 |
| 82.132.138.0/23 | 512 | AS35228 |
| 82.132.254.0/23 | 512 | AS29180 |
| 82.132.250.0/23 | 512 | AS29180 |
| 82.132.248.0/23 | 512 | AS35228 |
| 82.132.196.0/23 | 512 | AS29180 |
| 82.132.198.0/23 | 512 | AS35228 |
| 82.132.208.0/23 | 512 | AS29180 |
| 82.132.210.0/23 | 512 | AS35228 |
| 82.132.253.0/24 | 256 | AS35228 |
| 82.132.252.0/24 | 256 | AS29180 |
| 185.132.84.0/24 | 256 | AS35228 |