Possible BGP hijack

Beginning at 2022-08-08 16:22:58, we detected a possible BGP hijack.

Prefix 187.198.192.0/21, Normally announced by AS8151 Uninet S.A. de C.V., MX

Starting at 2022-08-08 16:22:58, a more specific route (187.198.197.0/24) was announced by ASN 53107.

This was detected by 13 BGPMon peers.

Expected
Start time: 2022-08-08 16:22:58 UTC
Expected prefix: 187.198.192.0/21
Expected ASN: 8151 (Uninet S.A. de C.V., MX)
Event Details
Detected advertisement: 187.198.197.0/24
Detected Origin ASN 53107 (EVEO Servicos de Internet Ltda., BR)
Detected AS Path 263287 262868 52863 53107
Detected by number of BGPMon peers: 13

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