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 18,209,280 1.13 x 242 5 386
4 EE Limited 10,448,384 236 1 55
5 Sky UK Limited 7,483,648 235 2 32
6 Jisc Services Limited 7,437,312 1.63 x 236 1 195
7 Vodafone Limited 2,177,280 232 7 78
8 Hutchison 3G UK Limited 1,913,088 1.25 x 232 2 167
9 COLT Technology Services Group Limited 1,198,848 1.25 x 234 1 847
10 KCOM Group Public Limited Company 1,189,890 1.38 x 235 4 82
11 ClaraNET LTD 1,037,312 1.06 x 236 3 139
12 M247 Ltd 952,576 1.72 x 237 1 2,454
13 Akamai International B.V. 927,936 232 2 245
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. 647,680 1.75 x 238 1 1,162
18 Liquid Telecommunications Ltd 558,849 1.81 x 234 2 433
19 MDNX Internet Limited 545,024 232 1 88
20 Telefonica UK Limited 541,440 0 3 150