Possible BGP hijack

Beginning at 2020-04-27 12:13:20 UTC, we detected a possible BGP hijack.

Prefix 2804:4bb0:8000::/33, is normally announced by AS267324 M M da Silva, BR.

But beginning at 2020-04-27 12:13:20, the same prefix (2804:4bb0:8000::/33) was also announced by ASN 269214.

This was detected by 4 BGPMon peers.

Expected
Start time: 2020-04-27 12:13:20 UTC
Expected prefix: 2804:4bb0:8000::/33
Expected ASN: 267324 (M M da Silva, BR)
Event Details
Detected advertisement: 2804:4bb0:8000::/33
Detected Origin ASN 269214 (J V ANDRADE TELECOMUNICACOES EIRELI ME, BR)
Detected AS Path 4608 7575 36213 6939 12956 10429 269214
Detected by number of BGPMon peers: 4

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