Viterbo is a city in with 30351 residents. We counted 47134 IPs from Maxmind database. Viterbo has 30351 per resident.
| ASN | ASN Id | Total IP |
| Telecom Italia | AS3269 | 19778 |
| Active Network S.p.A. | AS197075 | 3066 |
| Fastweb | AS12874 | 1938 |
| IUnet | AS1267 | 1782 |
| Service Provider | AS16232 | 1022 |
| Internet Service Provider | AS28716 | 982 |
| H3G S.p.A. | AS24608 | 510 |
| Vodafone Italia S.p.A. | AS30722 | 316 |
| Tiscali SpA | AS8612 | 254 |
| Consortium GARR | AS137 | 254 |
| LU | AS8632 | 254 |
| Aria S.p.A. | AS48291 | 254 |