Possible BGP hijack

Beginning at 2022-11-26 17:29:02 UTC, we detected a possible BGP hijack.

Prefix 37.57.137.0/24, is normally announced by AS13188 TRIOLAN, UA.

But beginning at 2022-11-26 17:29:02, the same prefix (37.57.137.0/24) was also announced by ASN 15399.

This was detected by 3 BGPMon peers.

Expected
Start time: 2022-11-26 17:29:02 UTC
Expected prefix: 37.57.137.0/24
Expected ASN: 13188 (TRIOLAN, UA)
Event Details
Detected advertisement: 37.57.137.0/24
Detected Origin ASN 15399 (WANANCHI-, KE)
Detected AS Path 63956 23764 15399
Detected by number of BGPMon peers: 3

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