Possible BGP hijack

Beginning at 2023-07-11 18:42:03 UTC, we detected a possible BGP hijack.

Prefix 181.233.94.0/24, is normally announced by AS271441 .

But beginning at 2023-07-11 18:42:03, the same prefix (181.233.94.0/24) was also announced by ASN 270706.

This was detected by 53 BGPMon peers.

Expected
Start time: 2023-07-11 18:42:03 UTC
Expected prefix: 181.233.94.0/24
Expected ASN: 271441 ()
Event Details
Detected advertisement: 181.233.94.0/24
Detected Origin ASN 270706 (LAN TELECOM INTERNET BANDA LARGA LTDA, BR)
Detected AS Path 28300 14840 61832 266101 270706 270706
Detected by number of BGPMon peers: 53

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