Possible BGP hijack

Beginning at 2020-04-28 17:30:10 UTC, we detected a possible BGP hijack.

Prefix 173.230.216.0/22, is normally announced by AS33064 SNEI-SD, US.

But beginning at 2020-04-28 17:30:10, the same prefix (173.230.216.0/22) was also announced by ASN 262808.

This was detected by 17 BGPMon peers.

Expected
Start time: 2020-04-28 17:30:10 UTC
Expected prefix: 173.230.216.0/22
Expected ASN: 33064 (SNEI-SD, US)
Event Details
Detected advertisement: 173.230.216.0/22
Detected Origin ASN 262808 (Brasilnet Telecomunicacoes Ltda ME, BR)
Detected AS Path 28140 262808 262808
Detected by number of BGPMon peers: 17

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