Possible BGP hijack

Beginning at 2018-07-07 22:10:27, we detected a possible BGP hijack.

Prefix 189.127.32.0/20, Normally announced by AS3356 Level 3 Parent, LLC

Starting at 2018-07-07 22:10:27, a more specific route (189.127.40.0/21) was announced by ASN 28126.

This was detected by 72 BGPMon peers.

Expected
Start time: 2018-07-07 22:10:27 UTC
Expected prefix: 189.127.32.0/20
Expected ASN: 3356 (Level 3 Parent, LLC)
Event Details
Detected advertisement: 189.127.40.0/21
Detected Origin ASN 28126 (BRISANET SERVICOS DE TELECOMUNICACOES LTDA)
Detected AS Path 264049 8167 3549 28126
Detected by number of BGPMon peers: 72

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