Outage in Claude
Connection failures for organizations restricting GitHub access by IP address
Resolved MajorIncident Report
Summary AI Generated
A recent infrastructure change altered Anthropic's outbound IP addresses, causing connection failures for organizations that restrict GitHub access by source IP address. This affected Claude Code remote sessions, GitHub Enterprise plugin syncing, and Claude Security functionality for 18 hours. The issue was resolved by reverting the infrastructure change to restore the previous IP ranges.
We have identified an issue affecting organizations that restrict GitHub access by source IP address. A recent infrastructure change altered the IP addresses Anthropic uses for outbound connections to GitHub, which may cause Claude Code remote sessions, GitHub Enterprise plugin syncing, and Claude Security to fail. We are reverting the change to restore the previous IP ranges; no allowlist changes will be needed on your side. We will post an update once the fix is deployed.
Components affected
Claude claude.aiLatest Updates ( sorted recent to last )
RESOLVED
3 days ago - at 05/07/2026 04:36PM
This incident has been resolved.
MONITORING
3 days ago - at 05/07/2026 03:17PM
A fix has been implemented and we are monitoring the results.
IDENTIFIED
4 days ago - at 05/06/2026 10:32PM
We have identified an issue affecting organizations that restrict GitHub access by source IP address. A recent infrastructure change altered the IP addresses Anthropic uses for outbound connections to GitHub, which may cause Claude Code remote sessions, GitHub Enterprise plugin syncing, and Claude Security to fail. We are reverting the change to restore the previous IP ranges; no allowlist changes will be needed on your side. We will post an update once the fix is deployed.
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