Tanshui, Taiwan

Tanshui, Taiwan is a submarine cable landing point in Taiwan (coordinates 25.1814°, 121.4626°). It serves 8 submarine cable systems, making it a significant node in Taiwan's international connectivity infrastructure.

Connected submarine cables

Operators landing at Tanshui, Taiwan

Cables landing at Tanshui, Taiwan are operated by 34 distinct consortium partners and carriers, including AT&T, BT, China Mobile, China Telecom, China Unicom, Chunghwa Telecom, DongHwa Telecom, Far EasTone (FET), Google, HKBN, and 24 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 Tanshui, Taiwan, international traffic can reach 10 countries through 8 cable systems. Destinations include China, Japan, Malaysia, Philippines, Singapore, South Korea, Taiwan, Thailand 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 Tanshui, Taiwan in the past 90 days. Our monitoring network continuously samples latency from external probes to targets reachable via these cables.

About the cables

• Taiwan-Matsu No.4 (2026) — Taiwan-Matsu No.4 is a domestic submarine cable network within Taiwan, connecting 4 coastal and island locations including Dongyin, Nangan, Tanshui, Xiju. The system provides essential telecommunications infrastructure for communities that would otherwise depend entirely on satellite or microwave links. Read more →
• 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 →
• FASTER (2016) — FASTER is a cross-regional submarine cable connecting United States, Japan, Taiwan. Its 4 landing points at Bandon, Chikura, Shima, Tanshui bridge the networks of North America, East Asia, providing an important path for international data traffic. Read more →
• Taiwan Strait Express-1 (TSE-1) (2013) — Taiwan Strait Express-1 (TSE-1) is a point-to-point submarine cable linking China and Taiwan. Landing at Fuzhou, Tanshui, 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 →
• Trans-Pacific Express (TPE) Cable System (2008) — Trans-Pacific Express (TPE) Cable System is a cross-regional submarine cable connecting China, South Korea, Japan, United States, Taiwan. Its 6 landing points at Chongming, Geoje, Maruyama, Nedonna Beach, Qingdao, and 1 more bridge the networks of East Asia, North America, providing an important path for international data traffic. 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 →
• APCN-2 (2001) — APCN-2 is a major intercontinental submarine cable system spanning 7 countries across Southeast Asia, East Asia. With 10 landing points — including Batangas, Busan, Cherating, Chikura, Chongming, and 5 more — it forms one of the backbone links carrying international internet traffic between continents. Read more →
• Taiwan Penghu Kinmen Matsu No.2 (TPKM2) (2000) — Taiwan Penghu Kinmen Matsu No.2 (TPKM2) is a domestic submarine cable network within Taiwan, connecting 6 coastal and island locations including Budai, Dongyin, Huxi Township, Jinhu Township, Tanshui, and 1 more. The system provides essential telecommunications infrastructure for communities that would otherwise depend entirely on satellite or microwave links. Read more →

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