Possible BGP hijack

Beginning at 2020-07-30 01:36:46, we detected a possible BGP hijack.

Prefix 24.57.0.0/16, Normally announced by AS7992 COGECOWAVE, CA

Starting at 2020-07-30 01:36:46, a more specific route (24.57.128.0/17) was announced by ASN 10990.

This was detected by 5 BGPMon peers.

Expected
Start time: 2020-07-30 01:36:46 UTC
Expected prefix: 24.57.0.0/16
Expected ASN: 7992 (COGECOWAVE, CA)
Event Details
Detected advertisement: 24.57.128.0/17
Detected Origin ASN 10990 (ATLDC, US)
Detected AS Path 30893 42708 1299 7219 10990
Detected by number of BGPMon peers: 5

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