Possible BGP hijack

Beginning at 2017-04-19 18:20:33, we detected a possible BGP hijack.

Prefix 2800::/12, Normally announced by AS13489 EPM Telecomunicaciones S.A. E.S.P.

Starting at 2017-04-19 18:20:33, a more specific route (2801:80:a50::/48) was announced by ASN 28148.

This was detected by 96 BGPMon peers.

Start time: 2017-04-19 18:20:33 UTC
Expected prefix: 2800::/12
Expected ASN: 13489 (EPM Telecomunicaciones S.A. E.S.P.)
Event Details
Detected advertisement: 2801:80:a50::/48
Detected Origin ASN 28148 (Safeweb Segurança da Informação Ltda)
Detected AS Path 3741 12989 53237 53237 28148
Detected by number of BGPMon peers: 96

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