Possible BGP hijack

Beginning at 2020-02-10 07:13:03 UTC, we detected a possible BGP hijack.

Prefix 2804:4afc:8000::/35, is normally announced by AS267276 CGC EQUIPAMENTOS E SERVIÇOS LTDA, BR.

But beginning at 2020-02-10 07:13:03, the same prefix (2804:4afc:8000::/35) was also announced by ASN 20940.

This was detected by 2 BGPMon peers.

Expected
Start time: 2020-02-10 07:13:03 UTC
Expected prefix: 2804:4afc:8000::/35
Expected ASN: 267276 (CGC EQUIPAMENTOS E SERVIÇOS LTDA, BR)
Event Details
Detected advertisement: 2804:4afc:8000::/35
Detected Origin ASN 20940 (AKAMAI-ASN1, US)
Detected AS Path 11170 36213 6939 18881 28598 20940 20940
Detected by number of BGPMon peers: 2

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