Kalianda, Indonesia

Kalianda: Submarine Cable Landing Point

Kalianda is a town in South Lampung Regency, Lampung Province, on the southern tip of the island of Sumatra, Indonesia. As a submarine cable landing point, Kalianda hosts two cables, both of which connect to other points within Indonesia. This makes Kalianda a domestic connectivity node rather than an intercontinental gateway, serving intra-Indonesian submarine links along what is a regionally significant coastal corridor.

The two cables landing at Kalianda - SJJK and Biznet Nusantara Cable System-1 (BNCS-1) - represent different generations of Indonesian domestic submarine infrastructure, with RFS dates spanning from 2008 to 2024. Together, they illustrate how Kalianda has sustained a role in Indonesia's internal cable network across more than fifteen years of development.

Cables Landing at Kalianda

SJJK is a submarine cable with a total length of 543 km, with a ready-for-service date of 2008. The cable connects landing points entirely within Indonesia, making it a domestic inter-island or inter-city link. Its relatively modest length is consistent with a route serving coastal or inter-island segments within the Indonesian archipelago.

Biznet Nusantara Cable System-1 (BNCS-1) is a more recent submarine cable, 105 km in length, with a ready-for-service date of 2024. Like SJJK, all of its endpoints are within Indonesia. At 105 km, BNCS-1 is a comparatively short system, suited to connecting nearby coastal or island locations rather than spanning long transoceanic distances. Its 2024 RFS date places it among the newer additions to Indonesia's domestic submarine cable inventory.

Regional Context

Within Indonesia's extensive submarine cable network - which spans 70 cables across 139 landing points - Kalianda's two cables place it in the top 85 percent of Indonesian landing points by cable count. Major Indonesian hubs such as Batam (20 cables), Jakarta (9 cables), and Tanjung Pakis (9 cables) host considerably more connections, situating Kalianda as a smaller, domestically focused node rather than a primary international gateway. Its role is nonetheless consistent with the broader pattern of distributed landing infrastructure that characterises Indonesia's archipelagic cable geography.

Network Role

Kalianda functions as a two-cable domestic terminus, supporting intra-Indonesian connectivity through both an older established link (SJJK, 2008) and a newer, shorter system (BNCS-1, 2024). The corridor it serves is entirely within Indonesia, connecting Sumatran coastal infrastructure to other domestic points across the archipelago. Neither cable extends to international endpoints, meaning Kalianda's network contribution is specifically oriented toward internal Indonesian data routing.

Within the broader Indonesian submarine cable graph, Kalianda represents the type of smaller, domestically oriented landing point that collectively underpins connectivity across one of the world's most geographically dispersed nations. The presence of a cable as recently commissioned as 2024 indicates that Kalianda remains an active site within Indonesia's evolving domestic submarine cable infrastructure.