Possible BGP hijack

Beginning at 2023-09-29 11:29:59 UTC, we detected a possible BGP hijack.

Prefix 45.181.27.0/24, is normally announced by AS269163 L. O. LEANDRO INTERNET - ME, BR.

But beginning at 2023-09-29 11:29:59, the same prefix (45.181.27.0/24) was also announced by ASN 26916.

This was detected by 3 BGPMon peers.

Expected
Start time: 2023-09-29 11:29:59 UTC
Expected prefix: 45.181.27.0/24
Expected ASN: 269163 (L. O. LEANDRO INTERNET - ME, BR)
Event Details
Detected advertisement: 45.181.27.0/24
Detected Origin ASN 26916 (TCW-AS-NY, US)
Detected AS Path 15296 6327 7738 52965 52965 52965 52965 52965 52965 52965 272717 26916
Detected by number of BGPMon peers: 3

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