Possible BGP hijack

Beginning at 2023-08-25 19:20:26, we detected a possible BGP hijack.

Prefix 45.163.134.0/23, Normally announced by AS268670 HENRIQUE CANGUSSU ALVES, BR

Starting at 2023-08-25 19:20:26, a more specific route (45.163.134.0/24) was announced by ASN 265171.

This was detected by 38 BGPMon peers.

Expected
Start time: 2023-08-25 19:20:26 UTC
Expected prefix: 45.163.134.0/23
Expected ASN: 268670 (HENRIQUE CANGUSSU ALVES, BR)
Event Details
Detected advertisement: 45.163.134.0/24
Detected Origin ASN 265171 (SITELBRA LTDA, BR)
Detected AS Path 28300 14840 3356 4230 265171
Detected by number of BGPMon peers: 38

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