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 26,986,840 1.01 x 239 2 342
TalkTalk Communications Limited 18,476,800 1.56 x 237 5 129
British Telecommunications PLC 18,205,952 1.13 x 242 5 385
4 EE Limited 10,711,296 236 1 56
5 Sky UK Limited 7,482,624 235 2 28
6 Jisc Services Limited 7,438,848 1.63 x 236 1 198
7 Vodafone Limited 1,915,648 232 6 61
8 COLT Technology Services Group Limited 1,262,592 1.25 x 234 1 880
9 KCOM Group Public Limited Company 1,189,634 1.38 x 235 4 81
10 ClaraNET LTD 1,080,064 1.19 x 236 3 149
11 Akamai International B.V. 927,104 232 2 245
12 M247 Ltd 871,456 1.72 x 237 1 2,199
13 Interoute Communications Limited 829,056 232 1 243
14 Daisy Communications Ltd 780,544 1.19 x 236 4 111
15 Digital Energy Technologies Limited 747,520 1.23 x 238 1 1,409
16 RM Education Ltd 698,368 232 1 16
17 Zen Internet Ltd 673,792 235 1 30
18 Hutchison 3G UK Limited 597,504 1.25 x 232 2 40
19 Telefonica UK Limited 548,864 0 3 155
20 MDNX Internet Limited 534,528 232 1 51