Belgium holds 12,302,720 IPv4 addresses from ARIN and RIPE NCC.
Regional registries have allocated 12,302,720 IPv4 addresses in 965 blocks, 326 IPv6 blocks and 388 network numbers to organisations in Belgium, the first on 1 Jan 1984. By DB-IP’s count the largest network here is Proximus NV (AS5432).
Registered here vs used here
The RIR count is what was allocated to organisations registered in Belgium; DB-IP’s count is where it estimates addresses are used. DB-IP places 2,851,513 more IPv4 addresses in Belgium than were allocated here, which happens when networks registered elsewhere (cloud providers, multinationals) operate in the country.
Largest networks by IPv4 space in Belgium
IP Geolocation by DB-IP (ASN Lite × Country Lite, CC BY 4.0).
Allocations per year
Delegation records per year (IPv4 blocks + IPv6 blocks + ASN records) still current in the RIR files. Last 12 years shown.
Download the ranges
Every IPv4 and IPv6 range DB-IP Country Lite places in Belgium, as CSV. The file carries DB-IP’s attribution, which you must keep if you republish it.
Sources
- NRO RIR delegated-extended statistics · checked 5 Nov 2026
- DB-IP IP to Country Lite (CC BY 4.0) · checked 3 Nov 2026