Possible BGP hijack

Beginning at 2022-09-27 04:18:27 UTC, we detected a possible BGP hijack.

Prefix, is normally announced by AS263953 Tribunal de Justica de Santa Catarina, BR.

But beginning at 2022-09-27 04:18:27, the same prefix ( was also announced by ASN 203.

This was detected by 17 BGPMon peers.

Start time: 2022-09-27 04:18:27 UTC
Expected prefix:
Expected ASN: 263953 (Tribunal de Justica de Santa Catarina, BR)
Event Details
Detected advertisement:
Detected Origin ASN 203 (CENTURYLINK-LEGACY-LVLT-203, US)
Detected AS Path 63956 1221 3356 203
Detected by number of BGPMon peers: 17

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