Possible BGP hijack

Beginning at 2019-04-05 08:27:48 UTC, we detected a possible BGP hijack.

Prefix 121.103.0.0/16, is normally announced by AS2527 SO-NET So-net Entertainment Corporation, JP.

But beginning at 2019-04-05 08:27:48, the same prefix (121.103.0.0/16) was also announced by ASN 38726.

This was detected by 34 BGPMon peers.

Expected
Start time: 2019-04-05 08:27:48 UTC
Expected prefix: 121.103.0.0/16
Expected ASN: 2527 (SO-NET So-net Entertainment Corporation, JP)
Event Details
Detected advertisement: 121.103.0.0/16
Detected Origin ASN 38726 (VTCDIGICOM-AS-VN VTC DIGICOM, VN)
Detected AS Path 199477 12874 3303 9304 38726
Detected by number of BGPMon peers: 34

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