Possible BGP hijack

Beginning at 2019-11-22 12:29:29, we detected a possible BGP hijack.

Prefix 23.201.208.0/20, Normally announced by AS20940 AKAMAI-ASN1, US

Starting at 2019-11-22 12:29:29, a more specific route (23.201.208.0/22) was announced by ASN 5432.

This was detected by 139 BGPMon peers.

Expected
Start time: 2019-11-22 12:29:29 UTC
Expected prefix: 23.201.208.0/20
Expected ASN: 20940 (AKAMAI-ASN1, US)
Event Details
Detected advertisement: 23.201.208.0/22
Detected Origin ASN 5432 (BELGACOM-SKYNET-AS, BE)
Detected AS Path 2110 5400 6774 5432
Detected by number of BGPMon peers: 139

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