Possible BGP hijack

Beginning at 2017-03-15 08:07:43 UTC, we detected a possible BGP hijack.

Prefix 120.31.144.0/24, is normally announced by AS38372 FoShan RuiJiang Science and Tech Ltd..

But beginning at 2017-03-15 08:07:43, the same prefix (120.31.144.0/24) was also announced by ASN 4515.

This was detected by 166 BGPMon peers.

Expected
Start time: 2017-03-15 08:07:43 UTC
Expected prefix: 120.31.144.0/24
Expected ASN: 38372 (FoShan RuiJiang Science and Tech Ltd.)
Event Details
Detected advertisement: 120.31.144.0/24
Detected Origin ASN 4515 (PCCW IMSBiz)
Detected AS Path 13335 4635 4515
Detected by number of BGPMon peers: 166

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