Possible BGP hijack

Beginning at 2019-07-21 21:31:54 UTC, we detected a possible BGP hijack.

Prefix 2404:f4c0:f600::/44, is normally announced by AS20473 AS-CHOOPA, US.

But beginning at 2019-07-21 21:31:54, the same prefix (2404:f4c0:f600::/44) was also announced by ASN 139328.

This was detected by 55 BGPMon peers.

Start time: 2019-07-21 21:31:54 UTC
Expected prefix: 2404:f4c0:f600::/44
Expected ASN: 20473 (AS-CHOOPA, US)
Event Details
Detected advertisement: 2404:f4c0:f600::/44
Detected Origin ASN 139328 ()
Detected AS Path 36692 6939 24144 139328
Detected by number of BGPMon peers: 55

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