Possible BGP hijack

Beginning at 2021-11-09 00:05:55 UTC, we detected a possible BGP hijack.

Prefix 1.233.238.0/24, is normally announced by AS4665 YONSEI-AS-KR Yonsei University, KR.

But beginning at 2021-11-09 00:05:55, the same prefix (1.233.238.0/24) was also announced by ASN 25478.

This was detected by 2 BGPMon peers.

Expected
Start time: 2021-11-09 00:05:55 UTC
Expected prefix: 1.233.238.0/24
Expected ASN: 4665 (YONSEI-AS-KR Yonsei University, KR)
Event Details
Detected advertisement: 1.233.238.0/24
Detected Origin ASN 25478 (IHOME-AS iHome LLC, RU)
Detected AS Path 43561 25478
Detected by number of BGPMon peers: 2

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