Possible BGP hijack

Beginning at 2017-04-18 22:41:44, we detected a possible BGP hijack.

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

Starting at 2017-04-18 22:41:44, a more specific route (2804:3d4::/32) was announced by ASN 262401.

This was detected by 96 BGPMon peers.

Expected
Start time: 2017-04-18 22:41:44 UTC
Expected prefix: 2800::/12
Expected ASN: 13489 (EPM Telecomunicaciones S.A. E.S.P.)
Event Details
Detected advertisement: 2804:3d4::/32
Detected Origin ASN 262401 (GSTN DO BRASIL LTDA)
Detected AS Path 202109 3356 3549 262401
Detected by number of BGPMon peers: 96

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