Possible BGP hijack

Beginning at 2023-01-11 02:23:31 UTC, we detected a possible BGP hijack.

Prefix 200.1.175.0/24, is normally announced by AS27989 BANCOLOMBIA S.A, CO.

But beginning at 2023-01-11 02:23:31, the same prefix (200.1.175.0/24) was also announced by ASN 203.

This was detected by 20 BGPMon peers.

Expected
Start time: 2023-01-11 02:23:31 UTC
Expected prefix: 200.1.175.0/24
Expected ASN: 27989 (BANCOLOMBIA S.A, CO)
Event Details
Detected advertisement: 200.1.175.0/24
Detected Origin ASN 203 (CENTURYLINK-LEGACY-LVLT-203, US)
Detected AS Path 28186 3356 203
Detected by number of BGPMon peers: 20

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