KR

IP addresses in South Korea

What a geolocation country of South Korea tends to mean, and which networks sit behind it.

South Korea’s addresses are from APNIC. KT is AS4766, SK Broadband AS9318, and LG Uplus AS3786 (registry name LG DACOM). Those three cover most fixed and a large share of mobile lines. A Korean country code plus a foreign cloud ASN is a Seoul region server, not a KT subscriber.

The useful contrast with India is IPv6. Korea did not run out of IPv4 in the same visible way, and adoption of IPv6 stayed patchier than the country’s broadband reputation suggests. A line can be fast and still be IPv4-only, or IPv4 with CGNAT on mobile. Geolocation that says Seoul for a national KT pool is the hub problem again: right country, invented precision. Do not read a Seoul pin as the subscriber’s district.

The regional registry is APNIC. What is my IP address · IP location wrong?

Further reading: Cloudflare Radar.

Questions

What does an IP country of South Korea mean?

A database assigned the address to South Korea. KT, SK Broadband, and LG Uplus operate the large retail ASNs. A Seoul pin is often the hub.

Is IPv6 universal in South Korea?

No. Fixed broadband has been fast for a long time, and IPv6 deployment still lagged peers that were forced onto it by IPv4 exhaustion. Check the connection rather than inferring from the country’s reputation.