Possible BGP hijack

Beginning at 2023-12-20 08:37:54, we detected a possible BGP hijack.

Prefix 109.121.64.0/18, Normally announced by AS8771 YUNET-AS, RS

Starting at 2023-12-20 08:37:54, a more specific route (109.121.127.0/24) was announced by ASN 200724.

This was detected by 13 BGPMon peers.

Expected
Start time: 2023-12-20 08:37:54 UTC
Expected prefix: 109.121.64.0/18
Expected ASN: 8771 (YUNET-AS, RS)
Event Details
Detected advertisement: 109.121.127.0/24
Detected Origin ASN 200724 (MTEL-, AT)
Detected AS Path 63956 3491 6453 8400 200724
Detected by number of BGPMon peers: 13

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