Possible BGP hijack

Beginning at 2022-11-05 02:22:36 UTC, we detected a possible BGP hijack.

Prefix, is normally announced by AS11993 BANCO DO BRASIL S.A., BR.

But beginning at 2022-11-05 02:22:36, the same prefix ( was also announced by ASN 203.

This was detected by 3 BGPMon peers.

Start time: 2022-11-05 02:22:36 UTC
Expected prefix:
Expected ASN: 11993 (BANCO DO BRASIL S.A., BR)
Event Details
Detected advertisement:
Detected Origin ASN 203 (CENTURYLINK-LEGACY-LVLT-203, US)
Detected AS Path 138540 9299 3356 203
Detected by number of BGPMon peers: 3

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