Possible BGP hijack

Beginning at 2019-04-05 12:20:35 UTC, we detected a possible BGP hijack.

Prefix 91.217.138.0/24, is normally announced by AS51434 MERCATOR-CG-AS Put Radomira Ivanovica 2, SI.

But beginning at 2019-04-05 12:20:35, the same prefix (91.217.138.0/24) was also announced by ASN 34540.

This was detected by 170 BGPMon peers.

Expected
Start time: 2019-04-05 12:20:35 UTC
Expected prefix: 91.217.138.0/24
Expected ASN: 51434 (MERCATOR-CG-AS Put Radomira Ivanovica 2, SI)
Event Details
Detected advertisement: 91.217.138.0/24
Detected Origin ASN 34540 (MSTART-AS, HR)
Detected AS Path 33362 6939 61211 34540
Detected by number of BGPMon peers: 170

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