Possible BGP hijack

Beginning at 2019-08-03 08:15:01 UTC, we detected a possible BGP hijack.

Prefix 154.197.54.0/24, is normally announced by AS39743 Unknown.

But beginning at 2019-08-03 08:15:01, the same prefix (154.197.54.0/24) was also announced by ASN 3549.

This was detected by 10 BGPMon peers.

Expected
Start time: 2019-08-03 08:15:01 UTC
Expected prefix: 154.197.54.0/24
Expected ASN: 39743 (Unknown)
Event Details
Detected advertisement: 154.197.54.0/24
Detected Origin ASN 3549 (LVLT-3549 - Level 3 Parent, LLC, US)
Detected AS Path 265181 28338 6762 3549
Detected by number of BGPMon peers: 10

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