Ishikari, Japan

Ishikari, Japan is a submarine cable landing point in Japan (coordinates 43.1712°, 141.3154°). It serves 2 submarine cable systems, making it a multi-cable landing site in Japan's international connectivity infrastructure.

Ishikari is a city located in Ishikari Subprefecture, Hokkaido, Japan. Wikipedia

Connected submarine cables

Operators landing at Ishikari, Japan

Cables landing at Ishikari, Japan are operated by 3 distinct consortium partners and carriers, including KDDI, NTT, TTK. 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 Ishikari, Japan, international traffic can reach 2 countries through 2 cable systems. Destinations include Japan, Russia.

Monitoring status

No monitoring incidents were recorded on cables serving Ishikari, Japan in the past 90 days — all connected systems remained within normal latency thresholds. Our monitoring network continuously samples latency from external probes to targets reachable via these cables.

About the cables

• Hokkaido-Sakhalin Cable System (HSCS) (2008) — The Hokkaido-Sakhalin Cable System (HSCS) is a short, unshowy piece of internet infrastructure. Just 570 km of fibre between Ishikari on the northwest coast of Hokkaido, Japan, and Nevelsk on the southwestern coast of Sakhalin, Russia. The cable has been in service since 2008. Read more →
• Japan Information Highway (JIH) (1999) — Japan Information Highway (JIH) is a domestic submarine cable network within Japan, connecting 9 coastal and island locations including Akita, Chikura, Ibaraki, Ishikari, Miyazaki, and 4 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. Geographic context from Wikipedia. Monitoring metrics updated continuously by GeoCables.