Possible BGP hijack

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

Prefix 2a04:684::/30, is normally announced by AS61395 SYSOPS-FINLAND, FI.

But beginning at 2021-03-01 08:56:17, the same prefix (2a04:684::/30) was also announced by ASN 269684.

This was detected by 5 BGPMon peers.

Expected
Start time: 2021-03-01 08:56:17 UTC
Expected prefix: 2a04:684::/30
Expected ASN: 61395 (SYSOPS-FINLAND, FI)
Event Details
Detected advertisement: 2a04:684::/30
Detected Origin ASN 269684 (LANFIBRA TELECOMUNICACOES - EIRELI, BR)
Detected AS Path 53131 266539 269684
Detected by number of BGPMon peers: 5

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