Possible BGP hijack

Beginning at 2021-03-01 20:42:45, we detected a possible BGP hijack.

Prefix 2001:16a0::/29, Normally announced by AS39386 STC-IGW-AS, SA

Starting at 2021-03-01 20:42:45, a more specific route (2001:16a2:c01e::/47) was announced by ASN 269684.

This was detected by 3 BGPMon peers.

Expected
Start time: 2021-03-01 20:42:45 UTC
Expected prefix: 2001:16a0::/29
Expected ASN: 39386 (STC-IGW-AS, SA)
Event Details
Detected advertisement: 2001:16a2:c01e::/47
Detected Origin ASN 269684 (LANFIBRA TELECOMUNICACOES - EIRELI, BR)
Detected AS Path 52694 266539 269684
Detected by number of BGPMon peers: 3

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