Belgium
IP address space, AS numbers and the largest networks registered in Belgium, based on the delegation records of the regional internet registries.
IPv4 addresses
12.3M
960 blocks
IPv6 allocations
326
AS numbers
385
Routed AS numbers
293
Largest networks in Belgium
By announced prefixes| AS | Name | IPv4 prefixes | IPv6 prefixes |
|---|---|---|---|
| AS31713 | GWCOMMS-MPLS Gateway Communications | 255 | 0 |
| AS12392 | ASVOO Orange Belgium SA | 102 | 17 |
| AS6848 | TELENET-AS Telenet BV | 99 | 13 |
| AS8368 | DSTNY-BACKBONE Dstny BE N.V. | 94 | 14 |
| AS47377 | Orange_Belgium_SA Orange Belgium SA | 86 | 3 |
| AS5432 | PROXIMUS-ISP-AS Proximus NV | 81 | 3 |
| AS34762 | COMBELL-AS Combell NV | 66 | 12 |
| AS60436 | AS_KBCGROUP_DCBE KBC GLOBAL SERVICES NV | 69 | 2 |
| AS6696 | VERIXI VERIXI SA | 49 | 3 |
| AS205080 | SITA-CORPORATE Societe Internationale de Telecommunications Aeronautiques | 31 | 16 |
| AS2611 | BELNET BELNET | 39 | 7 |
| AS39923 | AS-UNIXSOLUTIONS Unix-Solutions BV | 37 | 7 |
| AS199541 | EUROCONTROL-AS EUROCONTROL, the European Organisation for the Safety of Air Naviga... | 41 | 0 |
| AS41135 | VOXBONE-AS Voxbone SA | 28 | 6 |
| AS47630 | TELEVOIP-AS TeleVoIP bv | 5 | 26 |
| AS215956 | MYIP-AS Dennis de Houx trading as All In One | 0 | 31 |
| AS42160 | LCPDCO DC STAR nv | 23 | 3 |
| AS6774 | ASN-BICS Belgacom International Carrier Services SA | 23 | 2 |
| AS59943 | LEVEL27-AS Level 27 BVBA | 21 | 3 |
| AS9166 | CEGEKA-HASSELT Cegeka Groep NV | 14 | 9 |
| AS204013 | NRB Network Research Belgium S.A. | 18 | 2 |
| AS34872 | Servperso_Systems Sarah Rossius trading as Servperso Systems | 10 | 9 |
| AS50083 | HERMES-TELECOM-BACKBONE Hermes Telecom BVBA | 12 | 6 |
| AS20650 | IPNEXIA-AS IP NEXIA N.V. | 18 | 0 |
| AS196755 | NET-3STARS-AS Sewan Belgium SA | 15 | 2 |
| AS48260 | TELEWEB TELEWEB bvba | 9 | 8 |
| AS219511 | BE-SERGEKRIER-20260605 Serge Krier | 0 | 17 |
| AS48075 | SWIFTASN S.W.I.F.T. SC | 17 | 0 |
| AS5488 | Belgacom Proximus NV | 15 | 1 |
| AS213241 | TECHIT TECHIT.BE SRL | 14 | 2 |
Delegations by registry: RIPE 1,279, ARIN 7. Updated 2026-10-05.