Possible BGP hijack

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

Prefix 121.122.0.0/17, Normally announced by AS9534 MAXIS-AS1-AP Binariang Berhad, MY

Starting at 2020-12-28 11:05:37, a more specific route (121.122.16.0/24) was announced by ASN 23980.

This was detected by 87 BGPMon peers.

Expected
Start time: 2020-12-28 11:05:37 UTC
Expected prefix: 121.122.0.0/17
Expected ASN: 9534 (MAXIS-AS1-AP Binariang Berhad, MY)
Event Details
Detected advertisement: 121.122.16.0/24
Detected Origin ASN 23980 (YU-AS-KR Yeungnam University, KR)
Detected AS Path 199477 49289 3356 1239 9318 23980
Detected by number of BGPMon peers: 87

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