| GB | AS197370 | Nottinghamshire County Council |
| IT | AS202679 | Deltatre Limited |
| US | AS33680 | TELEPERFORMANCE-USA |
| GB | AS206576 | Wavenet Limited - AS206576 |
| RU | AS203749 | O2 Cloud, LLC |
| GB | AS210216 | HCL Technologies UK Limited |
| GB | AS204045 | Compass Plus (Great Britain) Limited |
| CA | AS397681 | CGI Inc. |
| GB | AS206324 | Stellium Networks (UK) |
| GB | AS212880 | Krypton IT |
| GB | AS197107 | SERVICE EXPRESS EUROPE LIMITED |
| GB | AS48632 | BTS HOLDINGS PLC |
| GB | AS8296 | HBVB Private Unlimited |
| GB | AS34344 | Port Of Tilbury London Ltd |
| GB | AS207173 | Northrop Grumman UK Limited |
| GB | AS197104 | Gentoo Group Limited |
| GB | AS211844 | Southern Water Services Ltd |
| GB | AS42359 | The Football Association Ltd. |
| GB | AS51766 | Merseyside Fire and Rescue Service |
| GB | AS201358 | FNZ (UK) Ltd |
| GB | AS47622 | Datatech UK Ltd |
| GB | AS203652 | IBM United Kingdom Limited |
| GB | AS56929 | WANDSWORTH-BOROUGH-COUNCIL |
| GB | AS208118 | NI-Technology-Ltd |
| GB | AS39382 | Optinium Ltd |
| US | AS18930 | Dow Corning |
| GB | AS44403 | Bristol City Council |
| GB | AS20695 | Capital One (Europe) Plc |
| CA | AS49707 | TESSAWORKS |
| GB | AS33879 | Forth Ports Public Limited Company |
| GB | AS39341 | Acxiom U.K. Limited |
| GB | AS207245 | DSTI Holdings Limited |
| US | AS19305 | Transaction Network Services, Inc. |
| GB | AS21433 | Accenture |
| GB | AS15914 | British Airways plc |
| GB | AS49318 | TELEFONICA TECH UK MANAGED SERVICES LTD |
| GB | AS39400 | London Borough of Hackney |
| GB | AS44521 | Jagex Limited |
| US | AS6254 | EG&G, Inc. |
| GB | AS39730 | Eircom (UK) Ltd |
| US | AS22787 | ARRIS Enterprises LLC |
| GB | AS213885 | Wilxite Ltd |
| GB | AS9011 | The Patent Office |
| US | AS16491 | ViaSat, Inc. |
| GB | AS50203 | Reynolds and Reynolds Limited |
| GB | AS28939 | ARM |
| GB | AS199675 | Willis Group Services Ltd |
| GB | AS196778 | TFL |
| US | AS22992 | SecureWorks Corp |
| US | AS203483 | Garmin International, Inc. |
