Possible BGP hijack

Beginning at 2023-11-24 09:37:35 UTC, we detected a possible BGP hijack.

Prefix 45.91.137.0/24, is normally announced by AS270353 Tyna Host - Datacenter no Brasil, BR.

But beginning at 2023-11-24 09:37:35, the same prefix (45.91.137.0/24) was also announced by ASN 207279.

This was detected by 5 BGPMon peers.

Expected
Start time: 2023-11-24 09:37:35 UTC
Expected prefix: 45.91.137.0/24
Expected ASN: 270353 (Tyna Host - Datacenter no Brasil, BR)
Event Details
Detected advertisement: 45.91.137.0/24
Detected Origin ASN 207279 ()
Detected AS Path 36692 4637 6762 61135 207279
Detected by number of BGPMon peers: 5

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