Possible BGP hijack

Beginning at 2023-04-11 21:27:20 UTC, we detected a possible BGP hijack.

Prefix 16.0.37.0/24, is normally announced by AS2165 HPES, US.

But beginning at 2023-04-11 21:27:20, the same prefix (16.0.37.0/24) was also announced by ASN 2147483647.

This was detected by 2 BGPMon peers.

Expected
Start time: 2023-04-11 21:27:20 UTC
Expected prefix: 16.0.37.0/24
Expected ASN: 2165 (HPES, US)
Event Details
Detected advertisement: 16.0.37.0/24
Detected Origin ASN 2147483647 ()
Detected AS Path 28186 12956 701 20096 4259904654 4259904656
Detected by number of BGPMon peers: 2

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