Possible BGP hijack

Beginning at 2020-03-20 15:35:10, we detected a possible BGP hijack.

Prefix 67.160.0.0/11, Normally announced by AS7922 COMCAST-7922, US

Starting at 2020-03-20 15:35:10, a more specific route (67.187.16.0/24) was announced by ASN 21559.

This was detected by 163 BGPMon peers.

Expected
Start time: 2020-03-20 15:35:10 UTC
Expected prefix: 67.160.0.0/11
Expected ASN: 7922 (COMCAST-7922, US)
Event Details
Detected advertisement: 67.187.16.0/24
Detected Origin ASN 21559 (OSNET, PR)
Detected AS Path 14371 1299 12956 21559
Detected by number of BGPMon peers: 163

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