Web infrastructure in Chennai
Chennai is a major data center hub in southern India, home to 15 facilities. The city anchors the country's subsea cable landings and serves as a primary gateway for internet traffic between India, Southeast Asia, and the Middle East. This makes Chennai a strategic location for latency-sensitive workloads and international connectivity.
Chennai as an internet hub
Notable operators include CtrlS Datacenters Ltd, NTTCINS, ST Telemedia Global Data Centres (STT GDC), Sify Technologies Limited, and Nxtra Data Ltd, each with 2 facilities. Bharti Airtel Limited and Reliance Communications Limited also operate single sites. The city hosts 4 internet exchanges: Extreme IX Chennai (92 connected networks), DE-CIX Chennai (73), NIXI Chennai (58), and REDIX Chennai (2).
Chennai's connectivity is strengthened by multiple subsea cable landings and dense terrestrial fiber backhaul. Enterprises, CDNs, and cloud providers buy colocation and peering here to serve users across South India and the broader Indian Ocean region. The city competes with Mumbai and Bangalore for carrier-neutral and captive data center demand.
Key facts
- Chennai has 15 data centers and 4 internet exchanges.
- CtrlS, NTTCINS, STT GDC, Sify, and Nxtra each run 2 facilities.
- Extreme IX Chennai is the largest exchange with 92 connected networks.
- DE-CIX Chennai connects 73 networks, NIXI Chennai connects 58.
- Chennai is a primary subsea cable landing hub for India.
Data centers in Chennai
All 15 facilities →STT Chennai 1
ST Telemedia Global Data Centres (STT GDC)
2 carriers
CtrlS Chennai DC2
CtrlS Datacenters Ltd
1 carriers
Digital Connexion MAA10 Chennai (Ambattur)
Digital Connexion
1 carriers
AdaniConneX Chennai 1
AdaniConneX
Bharti Airtel Santhome
Bharti Airtel Limited
CtrlS Chennai DC1
CtrlS Datacenters Ltd
Netmagic Chennai
NTTCINS
NIXI Chennai STT
National Internet Exchange of India
NTT CNN2A
NTTCINS
Nxtra Data Chennai DC 1
Nxtra Data Ltd
Nxtra Data Chennai DC 2
Nxtra Data Ltd
Reliance Chennai IDC
Reliance Communications Limited
Sify Infinit Spaces Limited
Sify Technologies Limited
Sify Tidel-DC- Chennai
Sify Technologies Limited
STT Chennai 2
ST Telemedia Global Data Centres (STT GDC)