Possible BGP hijack

Beginning at 2020-11-04 07:42:53 UTC, we detected a possible BGP hijack.

Prefix 156.255.0.0/24, is normally announced by AS139646 HKMTC-AS-AP HONG KONG Megalayer Technology Co.,Limited, HK.

But beginning at 2020-11-04 07:42:53, the same prefix (156.255.0.0/24) was also announced by ASN 136897.

This was detected by 140 BGPMon peers.

Expected
Start time: 2020-11-04 07:42:53 UTC
Expected prefix: 156.255.0.0/24
Expected ASN: 139646 (HKMTC-AS-AP HONG KONG Megalayer Technology Co.,Limited, HK)
Event Details
Detected advertisement: 156.255.0.0/24
Detected Origin ASN 136897 (ENJOYVC-AS-AP Enjoyvc Cloud Group Limited., HK)
Detected AS Path 7018 5511 136897 136897
Detected by number of BGPMon peers: 140

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