Possible BGP hijack

Beginning at 2021-09-09 16:51:55 UTC, we detected a possible BGP hijack.

Prefix 179.43.21.0/24, is normally announced by AS270847 A R BARROS - ME, BR.

But beginning at 2021-09-09 16:51:55, the same prefix (179.43.21.0/24) was also announced by ASN 6939.

This was detected by 3 BGPMon peers.

Expected
Start time: 2021-09-09 16:51:55 UTC
Expected prefix: 179.43.21.0/24
Expected ASN: 270847 (A R BARROS - ME, BR)
Event Details
Detected advertisement: 179.43.21.0/24
Detected Origin ASN 6939 (HURRICANE, US)
Detected AS Path 46650 23520 29802 6939
Detected by number of BGPMon peers: 3

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