Palapa Ring West cable: latency up to 2.7× normal, 5 Sep 2026
What we measured
| Cable | Palapa Ring West |
| Segment | Sydney, AU → Batam, ID |
| Detected | 2026-09-05 01:31 UTC |
| Resolved | 2026-09-12 02:01 UTC |
| Duration | 7d 0h |
| Observed latency | 315.4 ms |
| Baseline | 118.2 ms · 2.67× |
| Increase | +376% |
| Severity | warning |
Who is affected
Countries where Palapa Ring West comes ashore, how much of their submarine diversity this cable represents, and what our measurements into them show.
| Country | Dependence on this cable | Other submarine cables | What the measurements show |
|---|---|---|---|
| Indonesia resilience index: 100 · resilient |
1 of 73 cables (1% of submarine diversity) | Apricot, Asia Connect Cable-1 (ACC-1), Asia United Gateway East (AUG East) +69 more | median 233 ms today vs 200 ms over 30 days (1070 routes) - slower |
Dependence is structural (share of the country's submarine cables), not a traffic share: real traffic distribution across cables is not public.
Path analysis
Traffic kept the same route. Latency rose without a visible path change, which points at congestion or a fault on the existing route rather than a reroute.
Cross-probe verdict. Too few independent vantage points were watching this endpoint to reach a cross-probe verdict.
Timeline
- Alert 2026090502: warning - ratio 2.67x
- Alert #188 improving: 1/3 consecutive OK
- Alert #188 improving: 1/3 consecutive OK
- Alert #188 improving: 1/3 consecutive OK
- Alert #188 improving: 1/3 consecutive OK
- baseline_shift: Alert #188 Batam closed as BASELINE SHIFT after 7+ days: frozen 118.2ms -> new baseline 328.1ms (current 315.4ms). Route changed, not a cable incident.
Detection method
Latency is sampled continuously from our probe network. An alert opens when round-trip time to a monitored endpoint holds above its rolling baseline, and closes automatically once it returns. Full method is described on the methodology page.