Top 20 organizations with the largest IP allocations in United Kingdom
Top 20 organizations with the largest IP allocations
| Rank | Name | IPv4 addresses | IPv6 /64 networks | AS numbers | Prefixes |
|---|---|---|---|---|---|
| Virgin Media Limited | 26,988,376 | 1.01 x 239 | 2 | 346 | |
| TalkTalk Communications Limited | 24,112,896 | 1.56 x 237 | 5 | 167 | |
| British Telecommunications PLC | 18,213,376 | 1.13 x 242 | 5 | 387 | |
| 4 | EE Limited | 10,449,408 | 236 | 1 | 56 |
| 5 | Sky UK Limited | 7,484,928 | 235 | 2 | 36 |
| 6 | Jisc Services Limited | 7,438,336 | 1.63 x 236 | 1 | 196 |
| 7 | Vodafone Limited | 2,111,744 | 232 | 6 | 61 |
| 8 | Hutchison 3G UK Limited | 1,954,048 | 1.25 x 232 | 2 | 177 |
| 9 | COLT Technology Services Group Limited | 1,191,680 | 1.25 x 234 | 1 | 852 |
| 10 | KCOM Group Public Limited Company | 1,189,890 | 1.38 x 235 | 4 | 82 |
| 11 | ClaraNET LTD | 1,037,824 | 1.06 x 236 | 3 | 141 |
| 12 | M247 Ltd | 977,152 | 1.72 x 237 | 1 | 2,450 |
| 13 | Akamai International B.V. | 927,424 | 232 | 2 | 247 |
| 14 | Daisy Communications Ltd | 781,824 | 1.19 x 236 | 5 | 114 |
| 15 | Zen Internet Ltd | 674,048 | 235 | 1 | 31 |
| 16 | RM Education Ltd | 649,216 | 232 | 1 | 17 |
| 17 | Digital Energy Technologies Ltd. | 632,064 | 1.77 x 238 | 1 | 1,132 |
| 18 | Liquid Telecommunications Ltd | 558,848 | 1.81 x 234 | 2 | 432 |
| 19 | MDNX Internet Limited | 545,280 | 232 | 1 | 89 |
| 20 | Telefonica UK Limited | 540,928 | 0 | 3 | 148 |