Possible BGP hijack

Beginning at 2020-05-26 07:30:38 UTC, we detected a possible BGP hijack.

Prefix 2804:3f20:1000::/36, is normally announced by AS266641 Lavrasnet Servicos de Provedor de Internet Ltda, BR.

But beginning at 2020-05-26 07:30:38, the same prefix (2804:3f20:1000::/36) was also announced by ASN 23650.

This was detected by 2 BGPMon peers.

Expected
Start time: 2020-05-26 07:30:38 UTC
Expected prefix: 2804:3f20:1000::/36
Expected ASN: 266641 (Lavrasnet Servicos de Provedor de Internet Ltda, BR)
Event Details
Detected advertisement: 2804:3f20:1000::/36
Detected Origin ASN 23650 (CHINANET-JS-AS-AP AS Number for CHINANET jiangsu province backbone, CN)
Detected AS Path 11170 36213 6939 3356 4134 23650
Detected by number of BGPMon peers: 2

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