Fixed
Various configuration changes have been applied to mitigate reoccurring in the future. We apologies for any inconveniences caused.
Reported
We are currently observing partial unavailability of one subnet, impacting a small subset of customers.
The issue was caused due to misconfiguration of Fastnetmon, announcing a more specific which should only be inserted in RIB, but was inserted in FIB as well, leading to brief nullroute of traffic.
The issue has been resolved after ~2 minutes.