Possible BGP hijack

Beginning at 2023-11-01 20:11:05 UTC, we detected a possible BGP hijack.

Prefix 172.225.246.0/24, is normally announced by AS36183 AKAMAI-AS, US.

But beginning at 2023-11-01 20:11:05, the same prefix (172.225.246.0/24) was also announced by ASN 270308.

This was detected by 2 BGPMon peers.

Expected
Start time: 2023-11-01 20:11:05 UTC
Expected prefix: 172.225.246.0/24
Expected ASN: 36183 (AKAMAI-AS, US)
Event Details
Detected advertisement: 172.225.246.0/24
Detected Origin ASN 270308 (MUNICIPIO DE MACAE, BR)
Detected AS Path 394256 6939 264459 270308
Detected by number of BGPMon peers: 2

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