Possible BGP hijack

Beginning at 2023-02-22 14:54:52, we detected a possible BGP hijack.

Prefix 109.160.0.0/18, Normally announced by AS12615 GCN-AS GCN AD - Sofia, Bulgaria, BG

Starting at 2023-02-22 14:54:52, a more specific route (109.160.11.0/24) was announced by ASN 204210.

This was detected by 67 BGPMon peers.

Expected
Start time: 2023-02-22 14:54:52 UTC
Expected prefix: 109.160.0.0/18
Expected ASN: 12615 (GCN-AS GCN AD - Sofia, Bulgaria, BG)
Event Details
Detected advertisement: 109.160.11.0/24
Detected Origin ASN 204210 ()
Detected AS Path 34019 3303 8717 47453 204210
Detected by number of BGPMon peers: 67

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