Possible BGP hijack

Beginning at 2023-02-27 21:23:39, we detected a possible BGP hijack.

Prefix 183.235.0.0/16, Normally announced by AS56040 CMNET-GUANGDONG-AP China Mobile communications corporation, CN

Starting at 2023-02-27 21:23:39, a more specific route (183.235.121.0/24) was announced by ASN 264075.

This was detected by 11 BGPMon peers.

Expected
Start time: 2023-02-27 21:23:39 UTC
Expected prefix: 183.235.0.0/16
Expected ASN: 56040 (CMNET-GUANGDONG-AP China Mobile communications corporation, CN)
Event Details
Detected advertisement: 183.235.121.0/24
Detected Origin ASN 264075 (K1 Telecom e Multimidia LTDA, BR)
Detected AS Path 263287 262868 263966 53013 53181 268614 264075
Detected by number of BGPMon peers: 11

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