Colombo est une ville de 648034 habitants. Nous avons compté 648034 IPs avec base de données Maxmind. Colombo a 213754 par habitant.
| ASN | ASN Id | Total IP |
| Sri Lanka Telecom Internet | AS9329 | 104190 |
| Dialog Axiata PLC. | AS18001 | 49752 |
| Lanka Communication Services | AS5087 | 32752 |
| Lanka Bell's AS | AS45224 | 14534 |
| Lanka Education & Research Network, NREN | AS38229 | 4094 |
| Etisalat Lanka (Pvt) Ltd. | AS17470 | 2026 |
| Viewqwest Pte Ltd | AS18106 | 1022 |
| PT. Drupadi Prima | AS59147 | 1022 |
| Johlan Concepts Pty Ltd A/T/F Johlan Concepts Trust | AS132124 | 1022 |
| CloudFlare, Inc. | AS13335 | 1022 |
| 234, Galle Road, Colombo 4 | AS132447 | 1018 |
| Texas Life Insurance Company | AS22028 | 510 |
| Orange | AS51964 | 508 |
| Contina | AS63008 | 254 |
| 013 NetVision Ltd. | AS1680 | 254 |
| IS Group | AS45356 | 30 |
| Digital Energy Technologies Chile Spa | AS61440 | 14 |