Possible BGP hijack

Beginning at 2023-09-27 20:47:42, we detected a possible BGP hijack.

Prefix, Normally announced by AS263421 NR Conexoes Que Fortalecem, BR

Starting at 2023-09-27 20:47:42, a more specific route ( was announced by ASN 203.

This was detected by 29 BGPMon peers.

Start time: 2023-09-27 20:47:42 UTC
Expected prefix:
Expected ASN: 263421 (NR Conexoes Que Fortalecem, BR)
Event Details
Detected advertisement:
Detected Origin ASN 203 (CENTURYLINK-LEGACY-LVLT-203, US)
Detected AS Path 63956 6762 3356 203
Detected by number of BGPMon peers: 29

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