Possible BGP hijack

Beginning at 2020-12-15 16:31:50 UTC, we detected a possible BGP hijack.

Prefix, is normally announced by AS141172 KCL-AS-AP Kin Cheung Leung, US.

But beginning at 2020-12-15 16:31:50, the same prefix ( was also announced by ASN 33657.

This was detected by 82 BGPMon peers.

Start time: 2020-12-15 16:31:50 UTC
Expected prefix:
Expected ASN: 141172 (KCL-AS-AP Kin Cheung Leung, US)
Event Details
Detected advertisement:
Detected Origin ASN 33657 (CMCS, US)
Detected AS Path 29430 8220 3356 33657
Detected by number of BGPMon peers: 82

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