| US | AS19812 | BT Americas, Inc |
| US | AS21874 | MMC |
| GB | AS206509 | Nasstar SCP |
| GB | AS48706 | KERRIDGE COMMERCIAL SYSTEMS (KSH) LIMITED |
| SE | AS52019 | Oracle Svenska AB |
| GB | AS206467 | Protech Communications Ltd |
| US | AS63399 | Dialpad |
| GB | AS25343 | Coventry University Computing Services |
| GB | AS207552 | Cambridge Consultants Limited |
| US | AS16807 | Kyndryl |
| GB | AS41373 | NATIONAL HEALTH SERVICE |
| LB | AS199557 | lb-elsanet |
| US | AS14297 | ACI Worldwide, Inc. |
| GB | AS50826 | Moelis & Company UK LLP |
| US | AS19428 | Phillips 66 Company |
| GB | AS207120 | Quickline Communications Limited |
| GB | AS203171 | Chi Technology Ltd |
| GB | AS21218 | EBC Group |
| BE | AS35350 | UCB Pharma S.A. |
| GB | AS35707 | Scottish Power UK PLC |
| GB | AS202206 | FAT MEDIA LTD |
| US | AS6075 | Lockheed Martin Corporation |
| GB | AS199675 | Willis Group Services Ltd |
| GB | AS15601 | Baring Investment Services Ltd |
| GB | AS47113 | Suffolk Life Pensions Limited |
| IT | AS202679 | Deltatre Limited |
| CA | AS11031 | Orbis Investments (Canada) Limited |
| GB | AS215662 | Kensington Mortgages |
| GB | AS204045 | Compass Plus (Great Britain) Limited |
| GB | AS205615 | SS&C Solution Limited |
| US | AS1294 | NTT DATA Services Holdings Corporation |
| GB | AS200614 | Veritas Technologies (UK) Limited |
| NL | AS209258 | TSYS Europe (Netherlands) B.V. |
| HK | AS38166 | Standard Chartered Bank (Hong Kong) Limited.Banking and |
| US | AS6072 | Unisys Corporation |
| GB | AS211077 | UK Home Office (The Secretary of State for the Home Department) |
| GB | AS203795 | FIDELIS MARKETING LIMITED |
| GB | AS197568 | PINNACLE INSURANCE MANAGEMENT SERVICES PLC |
| US | AS11528 | Photronics |
| GB | AS41988 | PPP Taking Care Ltd |
| US | AS33680 | TELEPERFORMANCE-USA |
| IE | AS206132 | ABBOTT RAPID DX INTERNATIONAL LIMITED |
| CA | AS394731 | Canadian Natural Resources Limited |
| GB | AS56745 | KALNET4U |
| GB | AS206289 | TSB BANKING GROUP PLC |
| GB | AS206166 | Schroder Investment Management Limited |
| DE | AS210326 | NTT Security GmbH |
| GB | AS204103 | Comms West Limited |
| GB | AS198032 | Cambridge Assessment |
| GB | AS199262 | Transport for London |