| ASN | Name | Organisation | Registry |
|---|---|---|---|
| AS206166 | SCHRODERS-UK-AS | Ripe | |
| AS41570 | SSVC-AS | Ripe | |
| AS25050 | BACS-AS | Ripe | |
| AS33981 | TSYS-AS | Ripe | |
| AS15865 | ELLIOTT-UK-AS | Ripe | |
| AS209258 | TSYSI | Ripe | |
| AS207273 | PHAROAH-AS | Ripe | |
| AS211015 | HO-LECN-DC02 | Ripe | |
| AS14766 | UKMAGDIA-BT-LUM | Arin | |
| AS38936 | HMUK-AS | Ripe | |
| AS47534 | VocaLink-north-Ltd | Ripe | |
| AS209997 | securitas-uk-as-sms | Ripe | |
| AS210988 | LBHF | Ripe | |
| AS60339 | H3GUK | Ripe | |
| AS44617 | HBK-London | Ripe |