Possible BGP hijack

Beginning at 2020-12-10 12:59:42 UTC, we detected a possible BGP hijack.

Prefix 1.237.174.0/24, is normally announced by AS9272 Unknown.

But beginning at 2020-12-10 12:59:42, the same prefix (1.237.174.0/24) was also announced by ASN 9773.

This was detected by 29 BGPMon peers.

Expected
Start time: 2020-12-10 12:59:42 UTC
Expected prefix: 1.237.174.0/24
Expected ASN: 9272 (Unknown)
Event Details
Detected advertisement: 1.237.174.0/24
Detected Origin ASN 9773 (HANCOMWITH-AS-KR HancomWITH, KR)
Detected AS Path 48200 2914 9318 9773
Detected by number of BGPMon peers: 29

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