Possible BGP hijack

Beginning at 2023-03-28 19:11:27, we detected a possible BGP hijack.

Prefix 138.204.208.0/22, Normally announced by AS28294 Minas Gerais Telecomunicacoes Ltda ME, BR

Starting at 2023-03-28 19:11:27, a more specific route (138.204.211.0/24) was announced by ASN 271514.

This was detected by 24 BGPMon peers.

Expected
Start time: 2023-03-28 19:11:27 UTC
Expected prefix: 138.204.208.0/22
Expected ASN: 28294 (Minas Gerais Telecomunicacoes Ltda ME, BR)
Event Details
Detected advertisement: 138.204.211.0/24
Detected Origin ASN 271514 ()
Detected AS Path 63956 6762 52613 271514
Detected by number of BGPMon peers: 24

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