Internet Service Providers in United Kingdom

Top 20 organizations with the largest IP allocations in United Kingdom

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