South Korea holds 112,497,472 IPv4 addresses from APNIC, ARIN and RIPE NCC.
Regional registries have allocated 112,497,472 IPv4 addresses in 2,430 blocks, 183 IPv6 blocks and 1,184 network numbers to organisations in South Korea, the first on 30 Jun 1986. By DB-IP’s count the largest network here is Korea Telecom (AS4766).
Registered here vs used here
The RIR count is what was allocated to organisations registered in South Korea; DB-IP’s count is where it estimates addresses are used. DB-IP places 3,583,788 more IPv4 addresses in South Korea than were allocated here, which happens when networks registered elsewhere (cloud providers, multinationals) operate in the country.
Largest networks by IPv4 space in South Korea
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 South Korea, as CSV. The file carries DB-IP’s attribution, which you must keep if you republish it.
Sources
- NRO RIR delegated-extended statistics · checked 4 Nov 2026
- DB-IP IP to Country Lite (CC BY 4.0) · checked 3 Nov 2026