Possible BGP hijack

Beginning at 2022-01-07 08:10:35, we detected a possible BGP hijack.

Prefix 64.40.48.0/20, Normally announced by AS7962 EXISNET, US

Starting at 2022-01-07 08:10:35, a more specific route (64.40.48.0/21) was announced by ASN 52076.

This was detected by 46 BGPMon peers.

Expected
Start time: 2022-01-07 08:10:35 UTC
Expected prefix: 64.40.48.0/20
Expected ASN: 7962 (EXISNET, US)
Event Details
Detected advertisement: 64.40.48.0/21
Detected Origin ASN 52076 (Unknown)
Detected AS Path 48659 1299 31133 13259 52076
Detected by number of BGPMon peers: 46

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