| Name | IPv4 addresses | AS numbers |
|---|---|---|
| 12,912,384 | 9 | |
| 9,535,488 | 7 | |
| 7,415,296 | 15 | |
| 7,104,512 | 5 | |
| 7,088,896 | 4 | |
| 4,962,560 | 1 | |
| 3,901,440 | 5 | |
| 3,039,232 | 3 | |
| 2,028,032 | 1 | |
| 1,235,711 | 3 | |
| 1,127,168 | 15 | |
| 1,039,872 | 5 | |
| 877,568 | 1 | |
| 832,000 | 2 | |
| 792,064 | 6 | |
| 762,880 | 1 | |
| 668,672 | 1 | |
| 531,712 | 1 | |
| 528,896 | 3 | |
| 497,920 | 2 | |
| 436,738 | 1 | |
| 412,672 | 1 | |
| 402,944 | 3 | |
| 397,312 | 2 | |
| 360,960 | 1 | |
| 325,120 | 3 | |
| 302,336 | 2 | |
| 298,240 | 2 | |
| 261,376 | 2 | |
| 252,672 | 2 | |
| 234,496 | 1 | |
| 231,680 | 1 | |
| 229,376 | 1 | |
| 222,208 | 9 | |
| 212,992 | 1 | |
| 212,992 | 3 | |
| 189,184 | 2 | |
| 172,658 | 2 | |
| 159,232 | 1 | |
| 157,696 | 3 | |
| 155,392 | 1 | |
| 141,824 | 3 | |
| 133,120 | 1 | |
| 131,072 | 1 | |
| 131,072 | 2 | |
| 129,536 | 1 | |
| 128,768 | 1 | |
| 124,416 | 2 | |
| 122,240 | 2 | |
| 120,576 | 12 |
Country Report
Internet Service Providers in United Kingdom
Top 50 organizations with the largest IP allocations in United Kingdom