Outage in TeraSwitch
AWS Tokyo - Ongoing AWS traffic detours
Resolved MinorIncident Report
Teraswitch has been tracking AWS Tokyo traffic taking long paths into TYO1/2/3. Local peering is disabled on the AWS side, and AWS transit traffic is selecting Singapore as a preferred hop over Tokyo.
We are working on temporary solutions while AWS resolves the issue(s).
Components affected
TeraSwitch TYO1 - Tokyo, Japan TeraSwitch TYO2 - Tokyo, Japan TeraSwitch Global External InternetTrusted by 1,000+ teams
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Latest Updates ( sorted recent to last )
RESOLVED
15 days ago - at 09/03/2026 08:04PM
AWS has restored normal operation in the TYO market.
IDENTIFIED
15 days ago - at 09/03/2026 02:52PM
Teraswitch has been tracking AWS Tokyo traffic taking long paths into TYO1/2/3. Local peering is disabled on the AWS side, and AWS transit traffic is selecting Singapore as a preferred hop over Tokyo.
We are working on temporary solutions while AWS resolves the issue(s).
Latest TeraSwitch outages
EWR/CHI - Fiber cut and Network Reroute - 28 days ago
Internet Outage Event at Multiple Sites - about 1 month ago
Global - Internet Instability - about 2 months ago
TYO2 - Network Connectivity Issues with R102 Compute Rack - about 2 months ago
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