Possible BGP hijack

Beginning at 2023-11-24 14:32:00, we detected a possible BGP hijack.

Prefix 45.189.132.0/23, Normally announced by AS269588 CELERIUM TELECOMUNICACOES, BR

Starting at 2023-11-24 14:32:00, a more specific route (45.189.133.0/24) was announced by ASN 265171.

This was detected by 14 BGPMon peers.

Expected
Start time: 2023-11-24 14:32:00 UTC
Expected prefix: 45.189.132.0/23
Expected ASN: 269588 (CELERIUM TELECOMUNICACOES, BR)
Event Details
Detected advertisement: 45.189.133.0/24
Detected Origin ASN 265171 (SITELBRA LTDA, BR)
Detected AS Path 63956 3491 6762 26615 26615 26615 265171
Detected by number of BGPMon peers: 14

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