Possible BGP hijack

Beginning at 2019-07-19 14:54:20 UTC, we detected a possible BGP hijack.

Prefix 193.57.228.0/24, is normally announced by AS204742 .

But beginning at 2019-07-19 14:54:20, the same prefix (193.57.228.0/24) was also announced by ASN 204928.

This was detected by 153 BGPMon peers.

Expected
Start time: 2019-07-19 14:54:20 UTC
Expected prefix: 193.57.228.0/24
Expected ASN: 204742 ()
Event Details
Detected advertisement: 193.57.228.0/24
Detected Origin ASN 204928 (OSP-US-01, US)
Detected AS Path 13335 3257 62874 46516 204928
Detected by number of BGPMon peers: 153

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