Possible BGP hijack

Beginning at 2020-07-11 21:46:54 UTC, we detected a possible BGP hijack.

Prefix 185.137.228.0/22, is normally announced by AS199125 ALLIANCERESEAUX-AS, FR.

But beginning at 2020-07-11 21:46:54, the same prefix (185.137.228.0/22) was also announced by ASN 45753.

This was detected by 4 BGPMon peers.

Expected
Start time: 2020-07-11 21:46:54 UTC
Expected prefix: 185.137.228.0/22
Expected ASN: 199125 (ALLIANCERESEAUX-AS, FR)
Event Details
Detected advertisement: 185.137.228.0/22
Detected Origin ASN 45753 (NETSEC-HK NETSEC, HK)
Detected AS Path 202365 57866 3491 58453 45753
Detected by number of BGPMon peers: 4

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