Possible BGP hijack

Beginning at 2021-06-08 20:41:45 UTC, we detected a possible BGP hijack.

Prefix 138.122.123.0/24, is normally announced by AS264320 L S N FERREIRA & CIA LTDA ME, BR.

But beginning at 2021-06-08 20:41:45, the same prefix (138.122.123.0/24) was also announced by ASN 234320.

This was detected by 116 BGPMon peers.

Expected
Start time: 2021-06-08 20:41:45 UTC
Expected prefix: 138.122.123.0/24
Expected ASN: 264320 (L S N FERREIRA & CIA LTDA ME, BR)
Event Details
Detected advertisement: 138.122.123.0/24
Detected Origin ASN 234320 ()
Detected AS Path 50300 3257 264409 264409 264470 264470 234320
Detected by number of BGPMon peers: 116

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