Possible BGP hijack

Beginning at 2019-08-01 07:41:24 UTC, we detected a possible BGP hijack.

Prefix 45.5.243.0/24, is normally announced by AS266124 Marcio Eiji Yasue - ME, BR.

But beginning at 2019-08-01 07:41:24, the same prefix (45.5.243.0/24) was also announced by ASN 45102.

This was detected by 20 BGPMon peers.

Expected
Start time: 2019-08-01 07:41:24 UTC
Expected prefix: 45.5.243.0/24
Expected ASN: 266124 (Marcio Eiji Yasue - ME, BR)
Event Details
Detected advertisement: 45.5.243.0/24
Detected Origin ASN 45102 (CNNIC-ALIBABA-US-NET-AP Alibaba (US) Technology Co., Ltd., CN)
Detected AS Path 27553 12129 3491 58453 45102
Detected by number of BGPMon peers: 20

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