Possible BGP hijack

Beginning at 2020-12-28 11:05:37, we detected a possible BGP hijack.

Prefix 104.152.52.0/22, Normally announced by AS14987 RETHEMHOSTING, US

Starting at 2020-12-28 11:05:37, a more specific route (104.152.52.0/24) was announced by ASN 23980.

This was detected by 133 BGPMon peers.

Expected
Start time: 2020-12-28 11:05:37 UTC
Expected prefix: 104.152.52.0/22
Expected ASN: 14987 (RETHEMHOSTING, US)
Event Details
Detected advertisement: 104.152.52.0/24
Detected Origin ASN 23980 (YU-AS-KR Yeungnam University, KR)
Detected AS Path 397181 10929 6453 1239 9318 23980
Detected by number of BGPMon peers: 133

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