| Rank | AS number | Organization | IPv4 addresses |
|---|---|---|---|
| 1 | AS4609 | Companhia de Telecomunicacoes de Macau SARL | 265,472 |
This product includes GeoLite2 data created by MaxMind, available from https://www.maxmind.com.
Autonomous Systems (AS): Macao SAR China
Macao SAR China (MO) — AS numbers among the world's top 2,000 by IPv4 addresses, from the largest. Organization names are shown as registered.
Data as of: 2026-10-05