Asia Connect Cable-1 (ACC-1): A Pan-Pacific Submarine Cable
The Asia Connect Cable-1 (ACC-1) is a submarine telecommunications cable spanning approximately 19,000 kilometers. Owned by Inligo Networks, it connects the United States to key locations in Asia and Oceania, including Indonesia, Australia,
Singapore, and Timor-Leste. With landing points in
Hermosa Beach (California) and across multiple Southeast Asian cities, this cable is part of a growing network of trans-Pacific systems designed to meet the increasing demand for international connectivity.
Despite its listing as "in service" and a recorded ready-for-service (RFS) year of 2028 in GeoCables data, there are uncertainties surrounding its operational status and technical specifications. Publicly available sources do not disclose its design capacity, fiber pair count, supplier, or specific technology, leaving many details about the cable unverified.
Quick facts
| Name | Asia Connect Cable-1 (ACC-1) |
| Length | 19,000 km |
| Ready-for-Service Year | 2028 (GeoCables database) |
| Owner | Inligo Networks |
| Status | Listed as in service |
| Design Capacity | Not disclosed |
| Fiber Pairs | Not disclosed |
| Supplier | Not disclosed |
| Technology | Not disclosed |
| Landing Points | Alupang (Guam), Batam (Indonesia), Darwin (Australia), Davao (Philippines), Dili (Timor-Leste), Hermosa Beach (United States), Jakarta (Indonesia), Makassar (Indonesia), Manado (Indonesia), Singapore (Singapore) |
Route
The ACC-1 connects Hermosa Beach, California, with multiple landing points across Asia and Oceania. These include Alupang in Guam, Batam, Jakarta, Makassar, and Manado in Indonesia, as well as Darwin in Australia, Davao in the Philippines, Dili in Timor-Leste, and Singapore. This route spans the Pacific Ocean and strategically links key economic and technology hubs in Southeast Asia with the United States.
The cable's landing points overlap with numerous other systems, such as the
Bifrost cable at Alupang,
Apricot and
SEA-US at Davao, and
Southern Cross NEXT at Hermosa Beach. This redundancy may provide enhanced resilience for regional connectivity.
Why it was built and what it carries
The ACC-1 was likely designed to address the growing demand for high-capacity international connectivity between the United States and Asia-Pacific regions. As economies in Southeast Asia continue to expand, the need for reliable data transmission for cloud services, content delivery, and enterprise applications has surged. The cable also connects smaller markets like Timor-Leste, which may benefit from improved access to global networks.
Specific details about the cable's data-carrying capacity and technology are not publicly disclosed, leaving its role in the broader telecommunications ecosystem somewhat unclear.
History: what can be established
GeoCables data records the ACC-1 as ready for service in 2028, but it is listed as "in service" despite this future date. This discrepancy could arise from premature listing, delayed construction timelines, or errors in documentation. Industry sources do not provide alternative RFS dates, making it difficult to resolve the conflict.
Capacity and technology
The design capacity, fiber pair count, supplier, and specific technology used in ACC-1 are not disclosed in publicly available records. Without operator documentation, it is impossible to state these details definitively. Most modern submarine cables utilize dense wavelength-division multiplexing (DWDM) technology to achieve high data throughput, but attributing this to ACC-1 without confirmation would be speculative.
Latency: the physics
The theoretical one-way light propagation latency over ACC-1's 19,000 km fiber is approximately 93.1 milliseconds, with a round-trip time (RTT) floor of 186.3 milliseconds. Real-world latency measurements are higher due to factors such as terrestrial network delays, routing inefficiencies, and equipment processing times.
Live measurements from remote probes show significant variability in RTT values. For example, the average RTT from Minsk to Hermosa Beach is 219.8 ms, while from Moscow to Hermosa Beach it averages 178.2 ms. However, minimum latency values recorded in these tests (e.g., 1.9 ms from Minsk to Hermosa Beach) are below the physical floor and are artifacts caused by rate-limited ICMP replies from intermediate routers. These artifacts should not be interpreted as actual cable performance.
Redundancy: what happens if it breaks
The ACC-1 is part of a dense network of submarine cables in the Asia-Pacific region, providing multiple redundancy options. For instance, Hermosa Beach hosts other trans-Pacific cables like
JUPITER and Southern Cross NEXT, while Singapore is connected to numerous systems such as the
Darwin-Jakarta-Singapore Cable (DJSC). In the event of a failure, traffic can be rerouted through these alternative systems.
Repairing submarine cables typically involves deploying specialized cable ships equipped with remotely operated vehicles (ROVs) to locate, retrieve, and repair damaged sections. Given the cable's length and geographic spread, repair times could vary significantly based on the location and severity of the fault.
Bottom line
- The Asia Connect Cable-1 (ACC-1) spans 19,000 km, connecting the United States with key locations in Asia and Oceania.
- Owned by Inligo Networks, it is listed as "in service" with a recorded ready-for-service year of 2028, though discrepancies remain.
- Technical specifications such as design capacity, fiber pairs, supplier, and technology are not publicly disclosed.
- Theoretical latency is approximately 93.1 ms one-way, but real-world RTT measurements are higher due to network factors.
- Redundancy is provided by overlapping systems in the region, ensuring resilience in case of failure.
When will the Asia Connect Cable-1 (ACC-1) be operational?
The Asia Connect Cable-1 (ACC-1) is set to be operational by 2028.
Who owns and operates the ACC-1 cable?
The ACC-1 cable is owned and operated by Inligo Networks.
What are the key landing points for the ACC-1 cable?
The ACC-1 cable lands in Darwin, NT (Australia), Alupang and Hermosa Beach (Guam), Batam and Jakarta (Indonesia), Makassar and Manado (Indonesia), Davao (Philippines), Singapore, and Dili (Timor-Leste).
How many fiber pairs does the ACC-1 cable have?
The exact number of fiber pairs for the ACC-1 cable is not specified at this time.
How does the ACC-1 compare to other submarine cables in the region?
Compared to existing cables, the ACC-1 will provide an additional route for high-capacity data transmission between Oceania, Southeast Asia, and the United States, potentially offering redundancy and improved network resilience.