Possible BGP hijack

Beginning at 2018-01-12 22:50:31 UTC, we detected a possible BGP hijack.

Prefix 90.147.0.0/16, is normally announced by AS137 Consortium GARR.

But beginning at 2018-01-12 22:50:31, the same prefix (90.147.0.0/16) was also announced by ASN 265356.

This was detected by 11 BGPMon peers.

Expected
Start time: 2018-01-12 22:50:31 UTC
Expected prefix: 90.147.0.0/16
Expected ASN: 137 (Consortium GARR)
Event Details
Detected advertisement: 90.147.0.0/16
Detected Origin ASN 265356 (NET PLANETY INFOTELECOM LTDA ME)
Detected AS Path 53096 52610 265356
Detected by number of BGPMon peers: 11

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