Possible BGP hijack

Beginning at 2022-01-07 08:12:36, we detected a possible BGP hijack.

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

Starting at 2022-01-07 08:12:36, a more specific route (64.40.48.0/21) was announced by ASN 39609.

This was detected by 32 BGPMon peers.

Expected
Start time: 2022-01-07 08:12:36 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 39609 (MCOM-AS, GB)
Detected AS Path 396303 64515 65534 20473 1299 12389 13259 39609
Detected by number of BGPMon peers: 32

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