| GB | AS198142 | Warrington Borough Council |
| GB | AS47871 | Newsquest Media Group Ltd |
| US | AS19239 | KLA Corporation |
| NL | AS209258 | TSYS Europe (Netherlands) B.V. |
| GB | AS47534 | VOCALINK LTD |
| FR | AS211124 | CGI-UK-AS |
| GB | AS39341 | Acxiom U.K. Limited |
| GB | AS205693 | Driver & Vehicle Licensing Agency |
| KH | AS210912 | KIM SOKNY |
| GB | AS212880 | Krypton IT |
| GB | AS25546 | Brookland Computer Services Limited |
| DE | AS211820 | Evotec SE |
| GB | AS204322 | New York Times Limited |
| GB | AS47622 | Datatech UK Ltd |
| GB | AS43838 | City of Bradford Metropolitan District |
| CA | AS397681 | CGI Inc. |
| GB | AS15914 | British Airways plc |
| GB | AS33879 | Forth Ports Public Limited Company |
| GB | AS44008 | Royal Borough of Kensington and Chelsea |
| GB | AS60382 | Cranleigh School |
| FR | AS50497 | SymphonyEYC France SAS |
| RU | AS203749 | O2 Cloud, LLC |
| GB | AS210988 | London Borough Of Hammersmith & Fulham |
| GB | AS206576 | Wavenet Limited - AS206576 |
| GB | AS21470 | South West Communications Group |
| GB | AS41570 | BFBS |
| GB | AS207916 | Velocity1 Limited |
| GB | AS207173 | Northrop Grumman UK Limited |
| GB | AS39461 | EDF Energy Nuclear Generation Group Ltd |
| GB | AS203185 | PEBBLETREE LTD |
| US | AS33680 | TELEPERFORMANCE-USA |
| GB | AS50985 | Electronic Arts Limited |
| GB | AS15770 | Durham County Council |
| GB | AS56929 | WANDSWORTH-BOROUGH-COUNCIL |
| GB | AS47999 | Verint Systems UK Ltd |
| GB | AS202907 | ATOMICIT |
| GB | AS205654 | Labtech Systems Ltd |
| GB | AS205900 | APC Solutions UK Ltd |
| GB | AS47367 | Torbay Economic Development Company Limited |
| GB | AS21422 | Connect internet Solutions Limited |
| GB | AS49324 | Nottingham City Council |
| GB | AS210511 | Direct Market Solutions Limited |
| GB | AS213885 | Wilxite Ltd |
| GB | AS44403 | Bristol City Council |
| GB | AS8296 | HBVB Private Unlimited |
| GB | AS197107 | SERVICE EXPRESS EUROPE LIMITED |
| GB | AS39382 | Optinium Ltd |
| US | AS16491 | ViaSat, Inc. |
| EU | AS1290 | Telstra International (PSINet UK) |
| GB | AS34099 | Road Tech Computer Systems Ltd. |
