| 012 Smile Telecom |
9116 |
| 100 Percent IT |
20915 |
| 4D Data Centres Ltd |
31463 |
| 6point6 Cloud Gateway |
205098 |
| ABSA |
14115 |
| Ai Networks Ltd |
50056 |
| AiNET |
6405 |
| Akamai Technologies |
20940 |
| Allegro Networks Ltd |
12536 |
| Andrews & Arnold Ltd |
20712 |
| Apple Inc. |
714 |
| AQ Networks (aql) |
33920 |
| Ask4 Ltd |
41230 |
| Atende Software |
57811 |
| Atia Communications |
20878 |
| Baltic Broadband |
203421 |
| Beaming Ltd |
48620 |
| Bezeq International |
8551 |
| Blix Solutions AS |
50304 |
| Blue Tiger Solutions |
47480 |
| blueskysystems |
202114 |
| Bogons |
3213 |
| Boosty |
202222 |
| Borwood |
29606 |
| Bridge Fibre Ltd |
51055 |
| brightsolid |
5564 |
| Brightview |
25041 |
| BroadSoft HIPCOM Ltd |
35180 |
| BSO Network Solutions |
31216 |
| C2 Internet |
13005 |
| Cablenet Communication Systems Ltd. |
35432 |
| Cadence Networks Ltd |
47638 |
| Call27 |
28920 |
| Cape Connect Internet |
37640 |
| Capita Networking Solutions (Updata) |
51551 |
| CCANET Ltd |
35838 |
| Cellcom LTD |
1680 |
| CentriLogic UK |
44332 |
| CenturyLink - EMEA |
3910 |
| Cerberus Networks Ltd |
51918 |
| Charterhouse Voice & Data plc |
44503 |
| China Mobile International |
58453 |
| China Telecom |
4134 |
| China Unicom |
4837 |
| China Unicom (APAC) |
10099 |
| Christie Networks |
136001 |
| Cisco Systems, Inc. |
109 |
| CityLink Telecommunications NM, LLC |
7850 |
| Claranet |
8426 |
| Clearstream Technology Ltd |
59455 |
| CloudConnX |
57907 |
| Cloudflare |
13335 |
| Clouvider Limited |
62240 |
| CM Groep B.V. |
15447 |
| Colt |
8220 |
| Community Fibre |
201838 |
| ConnetU Ltd |
51945 |
| Contingency Networks Ltd |
21339 |
| Converged Communication Solutions |
39522 |
| Coreix Limited |
31708 |
| CXS |
201933 |
| Datacentres Ltd |
31595 |
| Datanet |
20799 |
| Datatech UK Ltd |
47622 |
| Deutsche Telekom |
3320 |
| Digital Realty United Kingdom |
49425 |
| Dream Servers Ltd |
51198 |
| DSNet Hosting Limited |
25048 |
| EDPNET |
9031 |
| EE |
12576 |
| Elisa Corporation |
6667 |
| Elite Limited |
29611 |
| Emerging Markets Communications Inc. |
27822 |
| Emirates Telecommunications Corporation (Etisalat) |
8966 |
| ENE ALIN-GABRIEL |
210323 |
| Energy Sciences Network (ESnet) |
293 |
| Entanet International Ltd |
8468 |
| Epsilon |
44356 |
| euNetworks Group |
13237 |
| Everest Computing Ltd |
60610 |
| EX Networks Limited (EXN) |
35266 |
| Excell Business Systems Ltd |
8530 |
| Facebook Inc |
32934 |
| Fastly, Inc. |
54113 |
| Fastrack Technology |
58580 |
| FidoNet |
8282 |
| Fluency |
56595 |
| Fluidata |
39545 |
| FNXTEC |
60503 |
| FOCUS 4 U |
25590 |
| Foilhat LLC |
21485 |
| Forcepoint Cloud |
44444 |
| Free SAS |
12322 |
| Fujitsu Services |
6779 |
| Fused Networks |
6320 |
| Future Publishing |
20596 |
| G3 Comms Ltd |
198781 |
| Gamma |
31655 |
| GCI Com |
8851 |
| GEANT IAS |
21320 |
| GEANT R&E |
20965 |
| Gigastream plc |
31712 |
| Global Cloud Xchange (f.k.a. FLAG Telecom) |
15412 |
| Google LLC |
15169 |
| GTT Communications (AS3257) |
3257 |
| GTT Communications (AS8928) |
8928 |
| Her Majesty's Revenue and Customs |
204222 |
| Highland Networks Ltd |
57356 |
| Hillside (Technology) |
34587 |
| Host Europe GmbH |
20773 |
| Hotchilli Internet |
8419 |
| Hotlinks Internet Services |
20976 |
| HotNet Internet Services |
12849 |
| hSo Group |
39326 |
| Huge Networks |
264409 |
| Hurricane Electric |
6939 |
| Hydra Communications Ltd (Bandwidth Tech) |
25369 |
| iboss Europe |
202276 |
| iBrowse SARL |
47866 |
| ICUK Computing Services Ltd |
51561 |
| IDE Group |
25577 |
| IELO-LIAZO |
29075 |
| Internet Central Ltd |
6717 |
| Internet Connections Ltd |
34270 |
| Internet For Business Ltd |
8902 |
| Internetty Ltd |
206235 |
| iomart |
20860 |
| IPTP Networks |
41095 |
| ITPS Ltd |
42010 |
| IX Reach |
43531 |
| Janet |
786 |
| JT |
8681 |
| KPN |
286 |
| Liazo |
50618 |
| Liberty Global |
6830 |
| Link-Connect Services Ltd |
29297 |
| Linode AS63949 |
63949 |
| Liquid Telecommunications Ltd |
30844 |
| Lytzen IT |
59701 |
| M12 Solutions Ltd |
198440 |
| M247 |
9009 |
| MagineTV |
60205 |
| Magnetic North Software Ltd |
47762 |
| MANDA |
8365 |
| Marston's Telecoms Ltd |
61124 |
| MDNX |
8190 |
| Melonite UK Limited |
51338 |
| murphx Innovative Solutions Ltd |
31290 |
| Mythic Beasts Ltd |
44684 |
| Nasstar South Ltd |
39179 |
| Nat Morris |
30746 |
| Netcalibre Ltd |
25098 |
| NetIX Communications Ltd. |
57463 |
| Netservers Limited |
35826 |
| Netuity Networks Inc |
21321 |
| Netwise Hosting Ltd |
60800 |
| Network Platforms |
37497 |
| NewNet plc |
9191 |
| Next Connex |
51048 |
| NFOrce Internet Services :: 43350 |
43350 |
| NOMICAL |
205892 |
| NORDUnet |
2603 |
| NSFOCUS, Inc. |
8757 |
| NTT Global IP Network |
2914 |
| Obenetwork |
197595 |
| OBIT |
8492 |
| Ocean Unified Communications |
60793 |
| Omantel |
8529 |
| OneWeb |
800 |
| Open Peering |
20562 |
| OpenMarket - AS31562 |
31562 |
| Openwave Messaging 199592 |
199592 |
| Openwave Messaging 33446 |
33446 |
| Orbital Net Ltd |
24916 |
| Origin Broadband Ltd |
60257 |
| Outsourcery Hosting |
43198 |
| Paratus Telecom |
33763 |
| PCCW Global |
3491 |
| Peerpoint Internet Ltd |
41847 |
| Portlane |
42708 |
| Positive Internet USA |
46130 |
| Post Group Luxembourg |
6661 |
| PrimeTel PLC |
8544 |
| Public Internet |
28792 |
| Pulsant (Scotland) |
12703 |
| RCS & RDS |
8708 |
| RETN |
9002 |
| rixCloud, Inc. |
64271 |
| RM Education plc |
5503 |
| Route Sense Corporation |
40823 |
| Sargasso Networks Ltd. (UK) |
42579 |
| Scotnet.co.uk Ltd |
28757 |
| Securus Communications |
59659 |
| Servcorp Australian Holdings Pty Ltd |
17978 |
| Six Degrees - Datahop |
6908 |
| SoftLayer Technologies, Inc. (an IBM Company) |
36351 |
| Sony Interactive Entertainment (PlayStation) |
33353 |
| Spilsby Internet Solutions |
43950 |
| Spitfire Network Services Ltd |
16082 |
| StackPath, LLC |
54104 |
| SURFnet bv |
1103 |
| Syscomm Limited |
56990 |
| Talk Straight Group Ltd |
199335 |
| TalkTalk |
13285 |
| TDC A/S |
3292 |
| Telekom Malaysia Berhad (TM) |
4788 |
| TeleMagic Ltd |
57262 |
| Telia Carrier |
1299 |
| Telxius Cable |
12956 |
| Tencent Global |
132203 |
| TFM Networks Ltd |
34790 |
| The UK Grid Network LTD |
39757 |
| The Voice Factory Ltd |
59439 |
| Think Systems UK Ltd |
51159 |
| Timico Limited |
8607 |
| Total Server Solutions |
46562 |
| Trident Net |
30803 |
| Twilio |
394434 |
| Twitch |
46489 |
| Twitter, Inc. |
13414 |
| UK Dedicated Servers |
42831 |
| UPX |
52863 |
| Vaioni |
35575 |
| Venus Business Communications |
20952 |
| Verizon Digital Media Services (EdgeCast Networks) |
15133 |
| Virgin Media |
5089 |
| Visa International |
2559 |
| Vodafone Global Network |
1273 |
| Vodat International |
50023 |
| Voiceflex Ltd |
24594 |
| VoIP Unlimited |
42004 |
| Vorboss Limited |
25160 |
| Vox Telecom |
11845 |
| VTSL Ltd |
49415 |
| Watchfront Limited |
41489 |
| Wavenet Limited |
21267 |
| WebEx Communications |
13445 |
| Webfusion |
20738 |
| West and Central African Research Network |
37288 |
| West Midlands Ambulance Service NHS Foundation Trust |
47318 |
| Wifirst |
52075 |
| WightFibre |
60426 |
| Wildcard Networks |
34119 |
| Workonline Communications |
37271 |
| xTom Europe Backbone |
3214 |
| Yelp! |
33445 |
| Zain Group - Wholesale |
59605 |
| Zayo (Abovenet Communications Inc.) |
6461 |
| Zen Internet |
13037 |
| Zenlayer Inc |
21859 |