Possible BGP hijack

Beginning at 2020-03-13 11:27:51, we detected a possible BGP hijack.

Prefix 140.233.0.0/16, Normally announced by AS14550 MIDDLEBURY-COLLEGE, US

Starting at 2020-03-13 11:27:51, a more specific route (140.233.45.0/24) was announced by ASN 52308.

This was detected by 159 BGPMon peers.

Expected
Start time: 2020-03-13 11:27:51 UTC
Expected prefix: 140.233.0.0/16
Expected ASN: 14550 (MIDDLEBURY-COLLEGE, US)
Event Details
Detected advertisement: 140.233.45.0/24
Detected Origin ASN 52308 (AGUAS DEL COLORADO SAPEM, AR)
Detected AS Path 203086 42673 3356 12956 22927 52308
Detected by number of BGPMon peers: 159

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