Possible BGP hijack

Beginning at 2023-07-28 01:36:22 UTC, we detected a possible BGP hijack.

Prefix 200.201.160.0/24, is normally announced by AS20116 CAIXA ECONOMICA FEDERAL, BR.

But beginning at 2023-07-28 01:36:22, the same prefix (200.201.160.0/24) was also announced by ASN 203.

This was detected by 33 BGPMon peers.

Expected
Start time: 2023-07-28 01:36:22 UTC
Expected prefix: 200.201.160.0/24
Expected ASN: 20116 (CAIXA ECONOMICA FEDERAL, BR)
Event Details
Detected advertisement: 200.201.160.0/24
Detected Origin ASN 203 (CENTURYLINK-LEGACY-LVLT-203, US)
Detected AS Path 6881 15685 6939 3356 203
Detected by number of BGPMon peers: 33

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