Nauru holds 10,240 IPv4 addresses from APNIC.
Regional registries have allocated 10,240 IPv4 addresses in 7 blocks, 2 IPv6 blocks and 5 network numbers to organisations in Nauru, the first on 2 Mar 1998. By DB-IP’s count the largest network here is CenPac Net Inc. (AS55722).
Registered here vs used here
The RIR count is what was allocated to organisations registered in Nauru; DB-IP’s count is where it estimates addresses are used. DB-IP places 1,792 more IPv4 addresses in Nauru than were allocated here, which happens when networks registered elsewhere (cloud providers, multinationals) operate in the country.
Largest networks by IPv4 space in Nauru
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 7 years shown.
Download the ranges
Every IPv4 and IPv6 range DB-IP Country Lite places in Nauru, 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