Possible BGP hijack

Beginning at 2021-03-01 08:56:17 UTC, we detected a possible BGP hijack.

Prefix 2a03:f040::/32, is normally announced by AS48133 E-NET-SK-AS, SK.

But beginning at 2021-03-01 08:56:17, the same prefix (2a03:f040::/32) was also announced by ASN 269684.

This was detected by 3 BGPMon peers.

Expected
Start time: 2021-03-01 08:56:17 UTC
Expected prefix: 2a03:f040::/32
Expected ASN: 48133 (E-NET-SK-AS, SK)
Event Details
Detected advertisement: 2a03:f040::/32
Detected Origin ASN 269684 (LANFIBRA TELECOMUNICACOES - EIRELI, BR)
Detected AS Path 52873 266539 269684
Detected by number of BGPMon peers: 3

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