Resolved after 1 day 6 hours, affecting Ashburn, VA, US (IAD-F1), on August 27, 2025.
Connectivity to the problematic ISP has been disabled to ensure stability while they investigate the issue. We are continuing to monitor connectivity.
Affected components
Update timeline
- monitoring Aug 27, 2025, 02:18 PM UTC
A network issue has been identified towards a single external ISP affecting our Ashburn PoP for customers utilizing dedicated IPs within the 209.40.109.0/24 subnet. If you have any questions regarding this incident, please contact FortiCare Support ( and reference FortiSASE Operations ticket #378267.
- monitoring Aug 27, 2025, 03:22 PM UTC
Connectivity to the problematic ISP has been disabled to ensure stability while they investigate the issue. We are continuing to monitor connectivity.
- resolved Aug 28, 2025, 08:25 PM UTC
Network connectivity has remained stable, incident is considered resolved.
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