Possible BGP hijack

Beginning at 2023-07-22 18:54:39 UTC, we detected a possible BGP hijack.

Prefix 179.63.174.0/24, is normally announced by AS271566 R N V DA COSTA JUNIOR EIRELI, BR.

But beginning at 2023-07-22 18:54:39, the same prefix (179.63.174.0/24) was also announced by ASN 263411.

This was detected by 4 BGPMon peers.

Expected
Start time: 2023-07-22 18:54:39 UTC
Expected prefix: 179.63.174.0/24
Expected ASN: 271566 (R N V DA COSTA JUNIOR EIRELI, BR)
Event Details
Detected advertisement: 179.63.174.0/24
Detected Origin ASN 263411 (MG TELECOM LTDA ME, BR)
Detected AS Path 28186 7195 13786 52772 263411
Detected by number of BGPMon peers: 4

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