Possible BGP hijack

Beginning at 2020-12-15 05:19:43, we detected a possible BGP hijack.

Prefix 23.192.0.0/11, Normally announced by AS20940 AKAMAI-ASN1, NL

Starting at 2020-12-15 05:19:43, a more specific route (23.212.92.0/22) was announced by ASN 4657.

This was detected by 73 BGPMon peers.

Expected
Start time: 2020-12-15 05:19:43 UTC
Expected prefix: 23.192.0.0/11
Expected ASN: 20940 (AKAMAI-ASN1, NL)
Event Details
Detected advertisement: 23.212.92.0/22
Detected Origin ASN 4657 (STARHUB-INTERNET StarHub Ltd, SG)
Detected AS Path 63956 1299 9318 4657
Detected by number of BGPMon peers: 73

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