Changi South, Singapore

Changi South, Singapore is a submarine cable landing point in Singapore (coordinates 1.3890°, 103.9870°). It serves 5 submarine cable systems, making it a significant node in Singapore's international connectivity infrastructure.

Changi Airport is the main international airport of Singapore, and functions as one of the most significant aviation gateways in the Asia-Pacific region. Situated within the Changi planning area in the eastern part of the country, the airport is approximately 24 kilometres east from the Central Area and occupies a site spanning about 25 square kilometres. The airport is a base for more than 100 international carriers with scheduled services linking Singapore to destinations across Asia, Oceania, Africa, Europe, the Middle East and North America. As of 2025, Changi Airport handled about 70 million passengers and ranked the 16th busiest airport by passenger traffic as well as the 4th busiest international airport by seat volume based on OAG's records. Wikipedia

Connected submarine cables

Operators landing at Changi South, Singapore

Cables landing at Changi South, Singapore are operated by 23 distinct consortium partners and carriers, including China Mobile, China Telecom, China Unicom, Chunghwa Telecom, DongHwa Telecom, KDDI, KT, LG Uplus, Matrix NAP Info, Meta, and 13 others. Each cable is typically jointly owned by a consortium of tier-one carriers and hyperscale operators who share construction costs and capacity; the operator mix reflects both regional incumbents and global players with interest in the routes served by this landing point.

Connectivity profile

From Changi South, Singapore, international traffic can reach 10 countries through 5 cable systems. Destinations include China, Indonesia, Japan, Malaysia, Philippines, Singapore, South Korea, Taiwan and 2 more. With multiple redundant paths, traffic at this landing point can reroute through alternative cables if any single system experiences an outage.

Monitoring status

GeoCables recorded 1 monitoring event on cables serving Changi South, Singapore in the past 90 days. Our monitoring network continuously samples latency from external probes to targets reachable via these cables.

About the cables

• Southeast Asia-Japan Cable 2 (SJC2) (2025) — Southeast Asia-Japan Cable 2 (SJC2) is a major intercontinental submarine cable system spanning 7 countries across East Asia, Southeast Asia. With 10 landing points — including Busan, Changi South, Chikura, Chung Hom Kok, Fangshan, and 5 more — it forms one of the backbone links carrying international internet traffic between continents. Read more →
• Asia Pacific Gateway (APG) (2016) — Asia Pacific Gateway (APG) is a major intercontinental submarine cable system spanning 8 countries across East Asia, Southeast Asia. With 11 landing points — including Busan, Changi South, Cherating, Chongming, Danang, and 6 more — it forms one of the backbone links carrying international internet traffic between continents. Read more →
• Asia Submarine-cable Express (ASE)/Cahaya Malaysia (2012) — Asia Submarine-cable Express (ASE)/Cahaya Malaysia is a cross-regional submarine cable connecting Singapore, Philippines, Japan, Malaysia, China. Its 6 landing points at Changi South, Daet, Komesu, Maruyama, Mersing, and 1 more bridge the networks of Southeast Asia, East Asia, providing an important path for international data traffic. Read more →
• Matrix Cable System (2008) — Matrix Cable System is a point-to-point submarine cable linking Indonesia and Singapore. Landing at Batam, Changi South, Jakarta, it provides a direct fiber-optic path between the two countries, serving as both a primary data route and a redundancy option for neighboring cable systems. Read more →
• EAC-C2C (2002) — EAC-C2C is a major intercontinental submarine cable system spanning 6 countries across East Asia, Southeast Asia. With 16 landing points — including Ajigaura, Batangas, Busan, Cavite, Changi North, and 11 more — it forms one of the backbone links carrying international internet traffic between continents. Read more →

Submarine cable data from TeleGeography. Geographic context from Wikipedia. Monitoring metrics updated continuously by GeoCables.