Possible BGP hijack

Beginning at 2023-09-12 10:20:04 UTC, we detected a possible BGP hijack.

Prefix 165.140.92.0/24, is normally announced by AS21082 Unknown.

But beginning at 2023-09-12 10:20:04, the same prefix (165.140.92.0/24) was also announced by ASN 31898.

This was detected by 3 BGPMon peers.

Expected
Start time: 2023-09-12 10:20:04 UTC
Expected prefix: 165.140.92.0/24
Expected ASN: 21082 (Unknown)
Event Details
Detected advertisement: 165.140.92.0/24
Detected Origin ASN 31898 (ORACLE-BMC-31898, US)
Detected AS Path 36692 4637 31898
Detected by number of BGPMon peers: 3

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