Possible BGP hijack

Beginning at 2022-04-13 13:30:55, we detected a possible BGP hijack.

Prefix 153.80.0.0/13, Normally announced by AS14962 NCR-252, US

Starting at 2022-04-13 13:30:55, a more specific route (153.85.0.0/16) was announced by ASN 38987.

This was detected by 18 BGPMon peers.

Expected
Start time: 2022-04-13 13:30:55 UTC
Expected prefix: 153.80.0.0/13
Expected ASN: 14962 (NCR-252, US)
Event Details
Detected advertisement: 153.85.0.0/16
Detected Origin ASN 38987 (OST-AS, PL)
Detected AS Path 200155 39392 33891 20804 38987 38987 38987
Detected by number of BGPMon peers: 18

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