Possible BGP hijack

Beginning at 2023-07-26 15:37:50 UTC, we detected a possible BGP hijack.

Prefix, is normally announced by AS271084 TRYMNET PROVEDOR, BR.

But beginning at 2023-07-26 15:37:50, the same prefix ( was also announced by ASN 263928.

This was detected by 25 BGPMon peers.

Start time: 2023-07-26 15:37:50 UTC
Expected prefix:
Expected ASN: 271084 (TRYMNET PROVEDOR, BR)
Event Details
Detected advertisement:
Detected Origin ASN 263928 (JBMNET TELECOM, BR)
Detected AS Path 51944 3257 174 13786 262503 263928
Detected by number of BGPMon peers: 25

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