Possible BGP hijack

Beginning at 2021-02-03 17:31:04 UTC, we detected a possible BGP hijack.

Prefix 143.202.172.0/24, is normally announced by AS52974 Henet Telecomunicacoes Ltda, BR.

But beginning at 2021-02-03 17:31:04, the same prefix (143.202.172.0/24) was also announced by ASN 1.

This was detected by 22 BGPMon peers.

Expected
Start time: 2021-02-03 17:31:04 UTC
Expected prefix: 143.202.172.0/24
Expected ASN: 52974 (Henet Telecomunicacoes Ltda, BR)
Event Details
Detected advertisement: 143.202.172.0/24
Detected Origin ASN 1 (LVLT-1, US)
Detected AS Path 50300 3257 7738 265445 1
Detected by number of BGPMon peers: 22

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