Possible BGP hijack

Beginning at 2017-03-15 16:55:36 UTC, we detected a possible BGP hijack.

Prefix, is normally announced by AS263543 Butzen e Mentges Ltda.

But beginning at 2017-03-15 16:55:36, the same prefix ( was also announced by ASN 264866.

This was detected by 170 BGPMon peers.

Start time: 2017-03-15 16:55:36 UTC
Expected prefix:
Expected ASN: 263543 (Butzen e Mentges Ltda)
Event Details
Detected advertisement:
Detected Origin ASN 264866 (Jurandir Vieira da Silva e CIA LTDA ME)
Detected AS Path 46435 2914 1239 7738 8167 25933 264866
Detected by number of BGPMon peers: 170

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