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 13,695,744 1.02 x 242 5 619
RIPE Network Coordination Centre 9,462,528 1.01 x 239 1 331
Jisc Services Limited 7,382,528 1.63 x 236 1 215
4 Sky UK Limited 7,088,896 235 2 33
5 EE Limited 6,973,184 236 1 75
6 TalkTalk Communications Limited 6,935,552 1.31 x 237 4 118
7 Vodafone Limited 1,914,368 232 6 70
8 COLT Technology Services Group Limited 1,216,255 234 1 332
9 KCOM Group Public Limited Company 1,110,786 1.38 x 235 4 98
10 ClaraNET LTD 1,106,176 1.38 x 236 3 170
11 Interoute Communications Limited 806,912 1.06 x 236 1 438
12 Daisy Communications Ltd 776,960 1.06 x 236 2 135
13 RM Education Ltd 697,344 232 1 27
14 M247 Ltd 674,048 1.66 x 237 1 1,784
15 Zen Internet Ltd 668,672 235 1 43
16 Digital Energy Technologies Limited 587,264 1.46 x 238 1 1,772
17 MDNX Internet Limited 533,504 232 1 57
18 Hutchison 3G UK Limited 529,152 1.25 x 232 2 81
19 Rackspace Ltd. 399,392 233 2 75
20 iomart Cloud Services Limited. 398,336 1.38 x 235 2 368