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

Internet exchanges and data centers in Japan

The Japan 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.

4
cities
21
internet exchanges
1,621
exchange participants
65
colocation facilities

Network cities in Japan

Japan cities by network infrastructure
CityExchangesParticipantsFacilitiesNetworks in facilities
Tokyo111,18647891
Osaka637116198
Fukuoka354214
Shibuya11000

Questions

Which city in Japan has the most internet exchange participants?
Tokyo, with 1,186 participants across 11 exchanges in the PeeringDB snapshot of 2026-09-07.
What is the largest internet exchange in Japan?
Among the exchanges recorded here, BBIX Tokyo in Tokyo has the most participants: 356 networks according to PeeringDB on 2026-09-07.
How many colocation facilities are there in Japan?
This registry records 65 facilities across the 4 Japan cities it lists. PeeringDB only includes facilities that networks or operators have registered, so the true number can be higher.