British Indian Ocean Territory holds 3,072 IPv4 addresses from APNIC.
Regional registries have allocated 3,072 IPv4 addresses in 2 blocks, 1 IPv6 blocks and 1 network numbers to organisations in British Indian Ocean Territory, the first on 9 Nov 2000. By DB-IP’s count the largest network here is Sure (Diego Garcia) Limited (AS17458).
Registered here vs used here
The RIR count is what was allocated to organisations registered in British Indian Ocean Territory; DB-IP’s count is where it estimates addresses are used. DB-IP places 512 more IPv4 addresses in British Indian Ocean Territory than were allocated here, which happens when networks registered elsewhere (cloud providers, multinationals) operate in the country.
Largest networks by IPv4 space in British Indian Ocean Territory
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 3 years shown.
Download the ranges
Every IPv4 and IPv6 range DB-IP Country Lite places in British Indian Ocean Territory, 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