Possible BGP hijack

Beginning at 2021-09-21 17:04:23 UTC, we detected a possible BGP hijack.

Prefix 138.199.50.0/24, is normally announced by AS212238 CDNEXT, GB.

But beginning at 2021-09-21 17:04:23, the same prefix (138.199.50.0/24) was also announced by ASN 267409.

This was detected by 2 BGPMon peers.

Expected
Start time: 2021-09-21 17:04:23 UTC
Expected prefix: 138.199.50.0/24
Expected ASN: 212238 (CDNEXT, GB)
Event Details
Detected advertisement: 138.199.50.0/24
Detected Origin ASN 267409 (SARTOR INTERNET LTDA, BR)
Detected AS Path 53070 4230 52771 267409
Detected by number of BGPMon peers: 2

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