Possible BGP hijack

Beginning at 2021-02-27 09:11:46, we detected a possible BGP hijack.

Prefix 2620:105:4000::/47, Normally announced by AS26001 BLUIP, US

Starting at 2021-02-27 09:11:46, a more specific route (2620:105:4000::/48) was announced by ASN 269684.

This was detected by 3 BGPMon peers.

Expected
Start time: 2021-02-27 09:11:46 UTC
Expected prefix: 2620:105:4000::/47
Expected ASN: 26001 (BLUIP, US)
Event Details
Detected advertisement: 2620:105:4000::/48
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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