Possible BGP hijack

Beginning at 2022-10-27 16:56:12 UTC, we detected a possible BGP hijack.

Prefix 45.234.211.0/24, is normally announced by AS267385 MEGA NET RIO, BR.

But beginning at 2022-10-27 16:56:12, the same prefix (45.234.211.0/24) was also announced by ASN 257385.

This was detected by 6 BGPMon peers.

Expected
Start time: 2022-10-27 16:56:12 UTC
Expected prefix: 45.234.211.0/24
Expected ASN: 267385 (MEGA NET RIO, BR)
Event Details
Detected advertisement: 45.234.211.0/24
Detected Origin ASN 257385 ()
Detected AS Path 263287 61568 265147 265147 265147 265147 265147 265147 263523 267475 257385
Detected by number of BGPMon peers: 6

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