Possible BGP hijack

Beginning at 2020-03-09 07:15:43, we detected a possible BGP hijack.

Prefix 2804:23b0:8000::/33, Normally announced by AS262645 BrasilNET Telecomunicações do Parana LTDA, BR

Starting at 2020-03-09 07:15:43, a more specific route (2804:23b0:aa00::/40) was announced by ASN 45102.

This was detected by 2 BGPMon peers.

Expected
Start time: 2020-03-09 07:15:43 UTC
Expected prefix: 2804:23b0:8000::/33
Expected ASN: 262645 (BrasilNET Telecomunicações do Parana LTDA, BR)
Event Details
Detected advertisement: 2804:23b0:aa00::/40
Detected Origin ASN 45102 (CNNIC-ALIBABA-US-NET-AP Alibaba (US) Technology Co., Ltd., CN)
Detected AS Path 8283 57866 3491 58453 45102
Detected by number of BGPMon peers: 2

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