City network registry · KR · reviewed September 2026 · PeeringDB snapshot 2026-09-07

Internet exchanges and data centers in South Korea

The South Korea cities where PeeringDB records an internet exchange or a cluster of colocation facilities. Each page lists the exchanges, how many networks participate, the facilities in the city and which mobile carriers peer there.

3
cities
7
internet exchanges
135
exchange participants
26
colocation facilities

Network cities in South Korea

South Korea cities by network infrastructure
CityExchangesParticipantsFacilitiesNetworks in facilities
Seoul713519147
Seongnam00415
Geumcheon-gu00311

Questions

Which city in South Korea has the most internet exchange participants?
Seoul, with 135 participants across 7 exchanges in the PeeringDB snapshot of 2026-09-07.
What is the largest internet exchange in South Korea?
Among the exchanges recorded here, KINX in Seoul has the most participants: 90 networks according to PeeringDB on 2026-09-07.
How many colocation facilities are there in South Korea?
This registry records 26 facilities across the 3 South Korea cities it lists. PeeringDB only includes facilities that networks or operators have registered, so the true number can be higher.