Possible BGP hijack

Beginning at 2020-05-18 07:05:15, we detected a possible BGP hijack.

Prefix 199.71.240.0/22, Normally announced by AS36235 GREENSHIELD, CA

Starting at 2020-05-18 07:05:15, a more specific route (199.71.243.0/24) was announced by ASN 55002.

This was detected by 156 BGPMon peers.

Expected
Start time: 2020-05-18 07:05:15 UTC
Expected prefix: 199.71.240.0/22
Expected ASN: 36235 (GREENSHIELD, CA)
Event Details
Detected advertisement: 199.71.243.0/24
Detected Origin ASN 55002 (DEFENSE-NET, US)
Detected AS Path 1126 24785 1299 55002
Detected by number of BGPMon peers: 156

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