Possible BGP hijack

Beginning at 2023-10-24 18:34:21 UTC, we detected a possible BGP hijack.

Prefix 177.86.126.0/24, is normally announced by AS52571 G2G COM PROD ELETRO E SERV LTDA, BR.

But beginning at 2023-10-24 18:34:21, the same prefix (177.86.126.0/24) was also announced by ASN 203.

This was detected by 38 BGPMon peers.

Expected
Start time: 2023-10-24 18:34:21 UTC
Expected prefix: 177.86.126.0/24
Expected ASN: 52571 (G2G COM PROD ELETRO E SERV LTDA, BR)
Event Details
Detected advertisement: 177.86.126.0/24
Detected Origin ASN 203 (CENTURYLINK-LEGACY-LVLT-203, US)
Detected AS Path 48200 6762 3356 203
Detected by number of BGPMon peers: 38

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