Possible BGP hijack

Beginning at 2017-03-07 14:15:27, we detected a possible BGP hijack.

Prefix 89.20.160.0/19, Normally announced by AS39686 Eurofiber Nederland BV

Starting at 2017-03-07 14:15:27, a more specific route (89.20.187.0/24) was announced by ASN 206249.

This was detected by 165 BGPMon peers.

Expected
Start time: 2017-03-07 14:15:27 UTC
Expected prefix: 89.20.160.0/19
Expected ASN: 39686 (Eurofiber Nederland BV)
Event Details
Detected advertisement: 89.20.187.0/24
Detected Origin ASN 206249 (TenneT TSO B.V.)
Detected AS Path 49964 1299 3356 29396 29396 29396 206249
Detected by number of BGPMon peers: 165

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