TeraSwitch incident

SGP1/SGP2 - Backbone Isolation Event

Resolved after 29 days 11 hours, affecting Intra-Market Connectivity and SGP1 - Singapore and 1 more, on December 28, 2025.

identified Dec 28, 2025, 02:19 AM UTC

Due to multiple undersea cable cuts, SGP1 and SGP2 is no longer operating on the Teraswitch backbone. SGP1/2 networking being unreachable for a time period was seen as network routes shifted and Internet routes adjusted.

Started
Dec 28, 2025, 02:19 AM UTC
Resolved
Jan 26, 2026, 01:56 PM UTC
Duration
29d 11h
Detected by Pingoru
Dec 28, 2025, 02:19 AM UTC

Affected components

Intra-Market ConnectivitySGP1 - SingaporeSGP2 - Singapore

Update timeline

  1. identified Dec 28, 2025, 02:19 AM UTC

    Due to multiple undersea cable cuts, SGP1 and SGP2 is no longer operating on the Teraswitch backbone. SGP1/2 networking being unreachable for a time period was seen as network routes shifted and Internet routes adjusted.

  2. resolved Jan 26, 2026, 01:56 PM UTC

    This incident has been resolved.

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