Cardiff ist eine Stadt in 302139 Einwohner. Wir zählten 302139 IPs mit Datenbank von Maxmind. Cardiff hat 378140 pro Einwohner.
| ASN | ASN Id | Total IP |
| JISC Services Limited | AS786 | 88978 |
| Microsoft Corporation | AS8075 | 84512 |
| Virgin Media Limited | AS5089 | 68986 |
| Sky UK Limited | AS5607 | 42420 |
| BTnet UK Regional network | AS2856 | 26940 |
| EE Limited | AS12576 | 12598 |
| TalkTalk Communications Limited | AS13285 | 9488 |
| ISP Network, UK | AS9105 | 8758 |
| Virgin Media Limited | AS15510 | 7900 |
| UK Internet Service Provider | AS6871 | 6098 |
| TalkTalk | AS43234 | 5478 |
| Easynet Global Services | AS4589 | 2088 |
| Cable & Wireless UK P.U.C. | AS5378 | 2042 |
| Dublin, Ireland | AS15612 | 1532 |
| Clearstream Technology ltd | AS59455 | 1530 |
| Spectrum Internet Ltd | AS48294 | 1522 |
| TalkTalk | AS12708 | 1276 |
| Ask4 Limited | AS41230 | 1242 |
| Vtesse Networks Limited | AS50173 | 1022 |
| Microsoft Corporation | AS8068 | 786 |
| ENTANET International Limited | AS8468 | 764 |
| Charterhouse Voice & Data plc | AS44503 | 510 |
| Daisy Communications Ltd | AS5413 | 510 |
| British Telecommunications PLC | AS5400 | 510 |
| DG Technology Group - www.dg.uk | AS44955 | 254 |
| Microsoft Corporation | AS3598 | 254 |
| Akamai Technologies, Inc. | AS32787 | 254 |
| AT&T Webhosting Amsterdam IDC | AS6905 | 254 |
| http://www.hns.net | AS39537 | 254 |
| Exponential-E Ltd. | AS25180 | 218 |
| Now maintained by Cable & Wireless Worldwide | AS2529 | 12 |
| Level 3 Communications, Inc. | AS47931 | 2 |
| Blue Chip Customer Engineering Ltd | AS197107 | 0 |
| Civica UK Ltd. | AS15654 | 0 |
| Harris CapRock Communications, Inc. | AS5666 | 0 |