Possible BGP hijack

Beginning at 2023-04-25 14:17:17 UTC, we detected a possible BGP hijack.

Prefix, is normally announced by AS53140 MPC INTERNET LTDA, BR.

But beginning at 2023-04-25 14:17:17, the same prefix ( was also announced by ASN 15399.

This was detected by 4 BGPMon peers.

Start time: 2023-04-25 14:17:17 UTC
Expected prefix:
Expected ASN: 53140 (MPC INTERNET LTDA, BR)
Event Details
Detected advertisement:
Detected Origin ASN 15399 (WANANCHI-, KE)
Detected AS Path 63956 3491 58453 15399 15399 15399
Detected by number of BGPMon peers: 4

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