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
British Telecommunications PLC 13,687,296 1.02 x 242 5 566
Virgin Media Limited 9,529,344 1.01 x 239 2 212
Sky UK Limited 7,482,112 235 2 26
4 Jisc Services Limited 7,350,272 1.63 x 236 1 209
5 EE Limited 6,973,184 236 1 49
6 TalkTalk Communications Limited 6,940,672 1.56 x 237 5 93
7 Vodafone Limited 1,914,368 232 6 59
8 Interoute Communications Limited 1,163,008 1.06 x 236 1 487
9 COLT Technology Services Group Limited 1,148,159 1.25 x 234 1 318
10 KCOM Group Public Limited Company 1,110,274 1.38 x 235 4 89
11 ClaraNET LTD 1,038,592 1.4 x 236 3 156
12 Daisy Communications Ltd 776,192 1.13 x 236 4 141
13 M247 Ltd 756,736 1.02 x 238 1 1,129
14 RM Education Ltd 697,344 232 1 24
15 Zen Internet Ltd 668,672 235 1 28
16 Digital Energy Technologies Limited 591,872 1.56 x 238 1 1,037
17 MDNX Internet Limited 532,976 232 1 73
18 Hutchison 3G UK Limited 529,152 1.25 x 232 2 65
19 Rackspace Ltd. 399,648 233 2 67
20 IOMART CLOUD SERVICES LIMITED 398,080 1.38 x 235 2 297