Possible BGP hijack

Beginning at 2023-01-10 20:36:24, we detected a possible BGP hijack.

Prefix 141.141.0.0/16, Normally announced by AS749 DNIC-AS-00749, US

Starting at 2023-01-10 20:36:24, a more specific route (141.141.141.0/24) was announced by ASN 28662.

This was detected by 37 BGPMon peers.

Expected
Start time: 2023-01-10 20:36:24 UTC
Expected prefix: 141.141.0.0/16
Expected ASN: 749 (DNIC-AS-00749, US)
Event Details
Detected advertisement: 141.141.141.0/24
Detected Origin ASN 28662 (Sascar Tecnologia e Seguranca Automotiva SA, BR)
Detected AS Path 263287 263396 7738 4230 28662
Detected by number of BGPMon peers: 37

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