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 18,222,592 1.13 x 242 5 386
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 COLT Technology Services Group Limited 1,191,168 1.25 x 234 1 862
9 KCOM Group Public Limited Company 1,189,890 1.38 x 235 4 82
10 ClaraNET LTD 1,038,592 1.06 x 236 3 141
11 M247 Ltd 949,248 1.72 x 237 1 2,388
12 Akamai International B.V. 927,168 232 2 244
13 Daisy Communications Ltd 781,568 1.19 x 236 4 112
14 Hutchison 3G UK Limited 767,488 1.25 x 232 2 72
15 Zen Internet Ltd 673,792 235 1 30
16 RM Education Ltd 665,600 232 1 16
17 Digital Energy Technologies Ltd. 620,801 1.11 x 238 1 1,099
18 Liquid Telecommunications Ltd 550,656 1.81 x 234 2 431
19 MDNX Internet Limited 545,280 232 1 89
20 Telefonica UK Limited 540,672 0 3 147