Possible BGP hijack

Beginning at 2023-01-07 05:09:24, we detected a possible BGP hijack.

Prefix 91.0.0.0/8, Normally announced by AS5089 NTL, GB

Starting at 2023-01-07 05:09:24, a more specific route (91.216.185.0/24) was announced by ASN 213035.

This was detected by 2 BGPMon peers.

Expected
Start time: 2023-01-07 05:09:24 UTC
Expected prefix: 91.0.0.0/8
Expected ASN: 5089 (NTL, GB)
Event Details
Detected advertisement: 91.216.185.0/24
Detected Origin ASN 213035 (AS-SERVERION Serverion B.V., NL)
Detected AS Path 15547 4455 213035
Detected by number of BGPMon peers: 2

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