Tanjung Pinggir, Indonesia

How the Internet Reaches Tanjung Pinggir

Tanjung Pinggir is a coastal location on Batam Island, Indonesia, situated in the Riau Archipelago near the southern tip of the Malay Peninsula. Its position places it within one of Southeast Asia's most strategically connected maritime zones, yet its own submarine cable infrastructure is modest: international and inter-regional internet traffic reaches Tanjung Pinggir through a single submarine cable connecting it to another point within Indonesia.

Unlike major Indonesian hubs where multiple international cables converge, Tanjung Pinggir serves as one terminus of a domestic submarine cable route. All external connectivity flowing through this landing point depends on that single link and its onward connections to the broader network.

The Cable Serving Tanjung Pinggir

The Jambi-Batam Cable System (JIBA) is the sole submarine cable landing at Tanjung Pinggir. Spanning 267 km and entering service in 2014, JIBA connects Tanjung Pinggir to Kuala Tungkal, another Indonesian landing point located on the eastern coast of Sumatra in Jambi province. The cable's name reflects this corridor directly — linking Jambi province on mainland Sumatra to Batam Island. Rather than connecting Indonesia to a foreign country, JIBA is a domestic inter-island route, carrying traffic between Sumatra and Batam across the intervening waters.

Regional Context

Indonesia hosts 40 submarine cables across 97 landing points, making it one of the most extensively cabled archipelago nations in the world. Within this national picture, Tanjung Pinggir is a single-cable domestic terminus. Its island neighbour Batam — a separate landing point — is significantly better connected, serving as a hub for 15 submarine cables, many of which carry international traffic. Jakarta hosts 7 cables, and Tanjung Pakis another 7. Tanjung Pinggir's single domestic cable places it at the smaller end of Indonesia's landing point spectrum.

What This Means for Connectivity

All international internet traffic reaching users via Tanjung Pinggir flows through the JIBA cable to Kuala Tungkal and from there onward through Sumatra's terrestrial and submarine network connections. Because only one cable serves this landing point, any disruption to JIBA directly affects every external service dependent on that link — there is no alternative submarine route from this specific terminus. The connectivity picture is therefore one of domestic inter-island reach rather than direct international access.

Understanding Tanjung Pinggir's position — a single-cable domestic terminus on Batam Island, adjacent to but distinct from the far more connected Batam hub — illustrates how submarine cable infrastructure within an archipelago nation like Indonesia is distributed unevenly, with smaller landing points often serving as feeders into larger regional nodes rather than as independent gateways to the global internet.