Possible BGP hijack

Beginning at 2021-02-27 02:06:27, we detected a possible BGP hijack.

Prefix 2600:4000::/24, Normally announced by AS701 UUNET, US

Starting at 2021-02-27 02:06:27, a more specific route (2600:40fc:1016::/48) was announced by ASN 269684.

This was detected by 3 BGPMon peers.

Expected
Start time: 2021-02-27 02:06:27 UTC
Expected prefix: 2600:4000::/24
Expected ASN: 701 (UUNET, US)
Event Details
Detected advertisement: 2600:40fc:1016::/48
Detected Origin ASN 269684 (LANFIBRA TELECOMUNICACOES - EIRELI, BR)
Detected AS Path 53131 266539 269684
Detected by number of BGPMon peers: 3

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