Possible BGP hijack

Beginning at 2019-03-30 18:01:42 UTC, we detected a possible BGP hijack.

Prefix 129.33.53.0/24, is normally announced by AS3549 LVLT-3549 - Level 3 Parent, LLC, US.

But beginning at 2019-03-30 18:01:42, the same prefix (129.33.53.0/24) was also announced by ASN 2147483647.

This was detected by 2 BGPMon peers.

Expected
Start time: 2019-03-30 18:01:42 UTC
Expected prefix: 129.33.53.0/24
Expected ASN: 3549 (LVLT-3549 - Level 3 Parent, LLC, US)
Event Details
Detected advertisement: 129.33.53.0/24
Detected Origin ASN 2147483647 ()
Detected AS Path 200005 13237 6461 36351 36351 36351 36351 36351 4202064702
Detected by number of BGPMon peers: 2

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