Portsmouth is a city in with 307676 residents. We counted 194150 IPs from Maxmind database. Portsmouth has 307676 per resident.
| ASN | ASN Id | Total IP |
| Hewlett Packard GmbH | AS6900 | 66284 |
| JISC Services Limited | AS786 | 66078 |
| Psychz Networks | AS40676 | 64500 |
| Virgin Media Limited | AS5089 | 35440 |
| Sky UK Limited | AS5607 | 28310 |
| BTnet UK Regional network | AS2856 | 17306 |
| TalkTalk Communications Limited | AS13285 | 4686 |
| ISP Network, UK | AS9105 | 3942 |
| EE Limited | AS12576 | 3808 |
| United Kingdom | AS8607 | 1816 |
| Dublin, Ireland | AS15612 | 1786 |
| Kcom Group Plc | AS12513 | 1532 |
| WightFibre Limited | AS199631 | 1276 |
| TalkTalk - Business division | AS8586 | 1150 |
| Elite Limited | AS29611 | 1022 |
| Telstra Europe Ltd | AS1290 | 1022 |
| Peer 1 Network (USA) Inc. | AS50661 | 1022 |
| TalkTalk | AS12708 | 1018 |
| Relish Networks PLC | AS25178 | 1018 |
| TalkTalk | AS43234 | 764 |
| Three | AS60339 | 764 |
| Peer 1 Network (USA) Inc. | AS13768 | 570 |
| Commercial Network Services | AS29697 | 254 |
| Moss Bridge Road | AS13037 | 254 |
| Vaioni Group Ltd | AS35575 | 254 |
| The Cloud Networks Limited | AS41012 | 254 |
| Gradwell Communications Limited | AS29676 | 254 |
| Gamma Telecom Holdings Ltd | AS31655 | 254 |
| Lockheed Martin Corporation | AS6075 | 254 |
| Vodafone Group PLC | AS1273 | 254 |
| Redcentric Managed Solutions Limited | AS5552 | 254 |
| UK Internet Service Provider | AS6871 | 252 |
| Cablecom Networking Limited | AS42689 | 232 |
| Virgin Media Limited | AS15510 | 126 |
| Easynet Global Services | AS4589 | 92 |
| NForce Entertainment B.V. | AS43350 | 2 |
| ClaraNET LTD | AS8426 | 0 |
| HighSpeed Office Limited | AS39326 | 0 |
| Modrus Limited | AS39179 | 0 |
| ENTANET International Limited | AS8468 | 0 |