Possible BGP hijack

Beginning at 2021-05-07 00:23:13, we detected a possible BGP hijack.

Prefix 216.24.216.0/22, Normally announced by AS200019 ALEXHOST, MD

Starting at 2021-05-07 00:23:13, a more specific route (216.24.219.0/24) was announced by ASN 3549.

This was detected by 2 BGPMon peers.

Expected
Start time: 2021-05-07 00:23:13 UTC
Expected prefix: 216.24.216.0/22
Expected ASN: 200019 (ALEXHOST, MD)
Event Details
Detected advertisement: 216.24.219.0/24
Detected Origin ASN 3549 (LVLT-3549, US)
Detected AS Path 53131 3549
Detected by number of BGPMon peers: 2

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