Possible BGP hijack

Beginning at 2023-08-18 13:59:54 UTC, we detected a possible BGP hijack.

Prefix 23.48.64.0/20, is normally announced by AS38040 GLOBAL-TRANSIT-TOT-IIG-TH TOT Public Company Limited, TH.

But beginning at 2023-08-18 13:59:54, the same prefix (23.48.64.0/20) was also announced by ASN 16625.

This was detected by 3 BGPMon peers.

Expected
Start time: 2023-08-18 13:59:54 UTC
Expected prefix: 23.48.64.0/20
Expected ASN: 38040 (GLOBAL-TRANSIT-TOT-IIG-TH TOT Public Company Limited, TH)
Event Details
Detected advertisement: 23.48.64.0/20
Detected Origin ASN 16625 (AKAMAI-AS, US)
Detected AS Path 4608 4651 20940 16625
Detected by number of BGPMon peers: 3

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