| Rank | AS number | Organization | IPv4 addresses |
|---|---|---|---|
| 1 | AS5432 | PROXIMUS-ISP-AS Proximus NV | 3,917,056 |
| 2 | AS6848 | TELENET-AS Telenet BV | 2,305,280 |
| 3 | AS47377 | Orange_Belgium_SA Orange Belgium SA | 897,536 |
| 4 | AS2611 | BELNET BELNET | 862,464 |
| 5 | AS12392 | ASVOO Orange Belgium SA | 422,912 |
| 6 | AS8368 | DSTNY-BACKBONE Dstny BE N.V. | 169,216 |
| 7 | AS9031 | EDPNETapp EDPNET Belgium BV | 95,488 |
This product includes GeoLite2 data created by MaxMind, available from https://www.maxmind.com.