Possible BGP hijack

Beginning at 2021-03-01 14:58:51 UTC, we detected a possible BGP hijack.

Prefix 2a0a:3a40::/32, is normally announced by AS8308 NASK-COMMERCIAL, PL.

But beginning at 2021-03-01 14:58:51, the same prefix (2a0a:3a40::/32) was also announced by ASN 269684.

This was detected by 5 BGPMon peers.

Expected
Start time: 2021-03-01 14:58:51 UTC
Expected prefix: 2a0a:3a40::/32
Expected ASN: 8308 (NASK-COMMERCIAL, PL)
Event Details
Detected advertisement: 2a0a:3a40::/32
Detected Origin ASN 269684 (LANFIBRA TELECOMUNICACOES - EIRELI, BR)
Detected AS Path 34019 35280 266539 269684
Detected by number of BGPMon peers: 5

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