Possible BGP hijack

Beginning at 2021-03-12 13:55:15 UTC, we detected a possible BGP hijack.

Prefix 216.52.148.0/24, is normally announced by AS14586 NUCLEARFALLOUT-CHI, US.

But beginning at 2021-03-12 13:55:15, the same prefix (216.52.148.0/24) was also announced by ASN 28605.

This was detected by 8 BGPMon peers.

Expected
Start time: 2021-03-12 13:55:15 UTC
Expected prefix: 216.52.148.0/24
Expected ASN: 14586 (NUCLEARFALLOUT-CHI, US)
Event Details
Detected advertisement: 216.52.148.0/24
Detected Origin ASN 28605 (Defferrari Informatica Ltda., BR)
Detected AS Path 28140 28605
Detected by number of BGPMon peers: 8

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