Possible BGP hijack

Beginning at 2019-01-30 20:39:24, we detected a possible BGP hijack.

Prefix 91.204.250.0/23, Normally announced by AS203540 GRUPPOWITEL_SRL, IT

Starting at 2019-01-30 20:39:24, a more specific route (91.204.250.58/32) was announced by ASN 35297.

This was detected by 3 BGPMon peers.

Expected
Start time: 2019-01-30 20:39:24 UTC
Expected prefix: 91.204.250.0/23
Expected ASN: 203540 (GRUPPOWITEL_SRL, IT)
Event Details
Detected advertisement: 91.204.250.58/32
Detected Origin ASN 35297 (DATALINE-AS, UA)
Detected AS Path 1103 35297
Detected by number of BGPMon peers: 3

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