Batam, Indonesia

Batam, Indonesia is one of the most connected submarine cable landing points in Indonesia. 20 international cable systems come ashore here, and together they reach 14 other countries across Oceania, Asia and North America.

Why cable lands at Batam

Batam, officially the City of Batam or Batam City, is the largest city in the Indonesian province of the Riau Islands. Its 20 systems give Batam direct international reach to Guam, Japan, Philippines and Singapore and beyond (14 countries in all), the role that justified building international cable here rather than routing through an inland neighbour.

Where its cables reach

• Asia Connect Cable-1 (ACC-1) connects it to North America (United States).
• Apricot, Asia Connect Cable-1 (ACC-1), Asia United Gateway East (AUG East), Batam Dumai Melaka (BDM), Batam Sarawak Internet Cable System (BaSICS), Batam Singapore Cable System (BSCS), Candle, Hawaiki Nui 1, Indonesia Global Gateway (IGG) System, Jakarta-Bangka-Batam-Singapore (B2JS), Jakarta-Bangka-Bintan-Batam-Singapore (B3JS), Matrix Cable System, Moratelindo International Cable System-1 (MIC-1), PGASCOM, SEAX-1 and Thailand-Indonesia-Singapore (TIS) connect it to Asia (including Japan, Philippines, Singapore, Taiwan, Timor-Leste).
• Apricot, Asia Connect Cable-1 (ACC-1) and Hawaiki Nui 1 connect it to Oceania (Guam, Australia, Papua New Guinea and Solomon Islands).

The systems in detail

The roster spans 26 years of build-out, from Thailand-Indonesia-Singapore (TIS) (2003) to Asia United Gateway East (AUG East) (2029). Documented capacity and vintage vary across the roster: Apricot (11,972 km and in service since 2025), Asia Connect Cable-1 (ACC-1) (19,000 km and in service since 2028), Asia United Gateway East (AUG East) (8,900 km and in service since 2029), Barat Timur Indonesia-2 (BTI-2) (11,600 km), Batam Dumai Melaka (BDM) (353 km and in service since 2009), Batam Sarawak Internet Cable System (BaSICS) (762 km and in service since 2021), Batam Singapore Cable System (BSCS) (73 km and in service since 2009), Candle (8,000 km and in service since 2028), Hawaiki Nui 1 (10,000 km and in service since 2027) and Indonesia Global Gateway (IGG) System (5,300 km and in service since 2018). Facts for every system are on its own cable page.

What the concentration means for resilience

With 20 independent systems, Indonesia has real redundancy through this point: no single cable cut isolates it from the destinations they share. The exposure is specific: the link to North America rests on a single cable, with no sibling landing alongside it. Because these systems share the same short stretch of coast and shore infrastructure, a localized event at the landing zone can reach far more capacity than the cable count alone suggests. GeoCables tracks each of these systems individually for exactly this reason.

What our monitoring has recorded

GeoCables watches these systems continuously rather than describing them once. Since 2026-03-10 we have logged 122 route anomalies across 68 cable systems worldwide. 19 have touched this location's own cables; the five most recent: a 100% round-trip latency spike on PGASCOM (2026-05-31, recovered by 2026-06-01), a 132% round-trip latency spike on SEAX-1 (2026-04-30, recovered by 2026-04-30), a 106% round-trip latency spike on Batam Dumai Melaka (BDM) (2026-04-23, recovered by 2026-04-23), a 224% round-trip latency spike on Batam Dumai Melaka (BDM) (2026-04-21, recovered by 2026-04-21) and a 588% round-trip latency spike on PGASCOM (2026-04-17, recovered by 2026-04-17). These were latency events on the systems' wider routes, not outages at the landing itself, and they cleared on their own. This record grows as we detect more, which is the difference between a directory entry and a monitored asset.

Latency, measured

From the GeoCables probe network, best-case round-trip time to Indonesia endpoints runs about 208 ms from Tbilisi, about 219 ms from Jerusalem and about 202 ms from Moscow. These are paths into Indonesia from our own vantage points, not a global average, and they shift as operators re-route.

Who depends on it

The largest access networks in Indonesia sit behind this coastal capacity: PT. Telekomunikasi Selular (23.1% of users), PT Telekomunikasi Indonesia (18.4% of users), INDOSAT Internet Network Provider (13.3% of users) and PT XL Axiata (6.1% of users). See the full national picture for Indonesia.

In short, Batam, Indonesia carries international traffic for Indonesia across 20 independent cable systems reaching 14 countries on 3 continents, and GeoCables monitors each of them in real time.