Possible BGP hijack

Beginning at 2017-03-28 11:19:22 UTC, we detected a possible BGP hijack.

Prefix 37.218.244.0/24, is normally announced by AS47172 Greenhost BV.

But beginning at 2017-03-28 11:19:22, the same prefix (37.218.244.0/24) was also announced by ASN 133752.

This was detected by 71 BGPMon peers.

Expected
Start time: 2017-03-28 11:19:22 UTC
Expected prefix: 37.218.244.0/24
Expected ASN: 47172 (Greenhost BV)
Event Details
Detected advertisement: 37.218.244.0/24
Detected Origin ASN 133752 (Leaseweb Asia Pacific pte. ltd.)
Detected AS Path 35266 3257 6453 133752
Detected by number of BGPMon peers: 71

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