Possible BGP hijack

Beginning at 2023-10-06 11:10:54, we detected a possible BGP hijack.

Prefix 154.221.0.0/16, Normally announced by AS35916 MULTA-ASN1, US

Starting at 2023-10-06 11:10:54, a more specific route (154.221.0.0/24) was announced by ASN 9886.

This was detected by 52 BGPMon peers.

Expected
Start time: 2023-10-06 11:10:54 UTC
Expected prefix: 154.221.0.0/16
Expected ASN: 35916 (MULTA-ASN1, US)
Event Details
Detected advertisement: 154.221.0.0/24
Detected Origin ASN 9886 (Unknown)
Detected AS Path 204092 34019 200780 137409 60021 9886 9886
Detected by number of BGPMon peers: 52

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