Possible BGP hijack

Beginning at 2018-10-28 17:25:12 UTC, we detected a possible BGP hijack.

Prefix 143.208.8.0/24, is normally announced by AS264077 T. COSTA GUIMARAES-ME.

But beginning at 2018-10-28 17:25:12, the same prefix (143.208.8.0/24) was also announced by ASN 132839.

This was detected by 8 BGPMon peers.

Expected
Start time: 2018-10-28 17:25:12 UTC
Expected prefix: 143.208.8.0/24
Expected ASN: 264077 (T. COSTA GUIMARAES-ME)
Event Details
Detected advertisement: 143.208.8.0/24
Detected Origin ASN 132839 (POWER LINE (HK) CO., LIMITED)
Detected AS Path 264049 8167 7738 3491 58453 132839
Detected by number of BGPMon peers: 8

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