Possible BGP hijack

Beginning at 2023-03-14 16:39:47 UTC, we detected a possible BGP hijack.

Prefix 163.197.40.0/24, is normally announced by AS136933 GIGABITBANK-AS-AP Gigabitbank Global, HK.

But beginning at 2023-03-14 16:39:47, the same prefix (163.197.40.0/24) was also announced by ASN 400506.

This was detected by 5 BGPMon peers.

Expected
Start time: 2023-03-14 16:39:47 UTC
Expected prefix: 163.197.40.0/24
Expected ASN: 136933 (GIGABITBANK-AS-AP Gigabitbank Global, HK)
Event Details
Detected advertisement: 163.197.40.0/24
Detected Origin ASN 400506 ()
Detected AS Path 7018 1299 57724 400506
Detected by number of BGPMon peers: 5

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