City network registry · ES · reviewed September 2026 · PeeringDB snapshot 2026-09-07
Internet exchanges and data centers in Spain
The Spain 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.
- 5
- cities
- 15
- internet exchanges
- 700
- exchange participants
- 36
- colocation facilities
Network cities in Spain
| City | Exchanges | Participants | Facilities | Networks in facilities |
|---|---|---|---|---|
| Madrid | 7 | 500 | 21 | 468 |
| Barcelona | 7 | 190 | 7 | 90 |
| Valencia | 1 | 10 | 2 | 3 |
| Alcobendas | 0 | 0 | 3 | 96 |
| Paterna | 0 | 0 | 3 | 38 |
Questions
- Which city in Spain has the most internet exchange participants?
- Madrid, with 500 participants across 7 exchanges in the PeeringDB snapshot of 2026-09-07.
- What is the largest internet exchange in Spain?
- Among the exchanges recorded here, DE-CIX Madrid in Madrid has the most participants: 189 networks according to PeeringDB on 2026-09-07.
- How many colocation facilities are there in Spain?
- This registry records 36 facilities across the 5 Spain cities it lists. PeeringDB only includes facilities that networks or operators have registered, so the true number can be higher.