Possible BGP hijack

Beginning at 2021-04-06 23:39:01 UTC, we detected a possible BGP hijack.

Prefix 186.225.186.0/24, is normally announced by AS262387 Intermicro Ltda, BR.

But beginning at 2021-04-06 23:39:01, the same prefix (186.225.186.0/24) was also announced by ASN 263787.

This was detected by 9 BGPMon peers.

Expected
Start time: 2021-04-06 23:39:01 UTC
Expected prefix: 186.225.186.0/24
Expected ASN: 262387 (Intermicro Ltda, BR)
Event Details
Detected advertisement: 186.225.186.0/24
Detected Origin ASN 263787 (CABLE VISION DEL SUR S.A, PY)
Detected AS Path 37989 56300 132132 1299 45474 45474 263009 263009 263009 263787
Detected by number of BGPMon peers: 9

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