Possible BGP hijack

Beginning at 2023-08-21 05:53:11 UTC, we detected a possible BGP hijack.

Prefix, is normally announced by AS17866 KISTNET-AS-KR Korea Institute of Science and Technology, KR.

But beginning at 2023-08-21 05:53:11, the same prefix ( was also announced by ASN 56040.

This was detected by 2 BGPMon peers.

Start time: 2023-08-21 05:53:11 UTC
Expected prefix:
Expected ASN: 17866 (KISTNET-AS-KR Korea Institute of Science and Technology, KR)
Event Details
Detected advertisement:
Detected Origin ASN 56040 (CMNET-GUANGDONG-AP China Mobile communications corporation, CN)
Detected AS Path 63956 3491 58453 9808 56040
Detected by number of BGPMon peers: 2

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