Possible BGP hijack

Beginning at 2023-03-03 02:03:48, we detected a possible BGP hijack.

Prefix 191.240.224.0/22, Normally announced by AS53142 Friburgo Online LTDA ME, BR

Starting at 2023-03-03 02:03:48, a more specific route (191.240.226.0/24) was announced by ASN 53211.

This was detected by 64 BGPMon peers.

Expected
Start time: 2023-03-03 02:03:48 UTC
Expected prefix: 191.240.224.0/22
Expected ASN: 53142 (Friburgo Online LTDA ME, BR)
Event Details
Detected advertisement: 191.240.226.0/24
Detected Origin ASN 53211 (ISPRJ - INFORMATICA E TELECOMUNICACOES ME, BR)
Detected AS Path 63956 6762 53013 28260 263324 267201 53211
Detected by number of BGPMon peers: 64

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