Possible BGP hijack

Beginning at 2020-09-12 16:23:37 UTC, we detected a possible BGP hijack.

Prefix 2605:5fc9::/32, is normally announced by AS46573 LAYER-HOST, US.

But beginning at 2020-09-12 16:23:37, the same prefix (2605:5fc9::/32) was also announced by ASN 202.

This was detected by 33 BGPMon peers.

Start time: 2020-09-12 16:23:37 UTC
Expected prefix: 2605:5fc9::/32
Expected ASN: 46573 (LAYER-HOST, US)
Event Details
Detected advertisement: 2605:5fc9::/32
Detected Origin ASN 202 (CENTURYLINK-LEGACY-LVLT-202, US)
Detected AS Path 31463 3257 20473 20473 397881 202
Detected by number of BGPMon peers: 33

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