Possible BGP hijack

Beginning at 2022-04-19 18:33:30, we detected a possible BGP hijack.

Prefix 181.189.100.0/23, Normally announced by AS271398

Starting at 2022-04-19 18:33:30, a more specific route (181.189.100.0/24) was announced by ASN 270782.

This was detected by 73 BGPMon peers.

Expected
Start time: 2022-04-19 18:33:30 UTC
Expected prefix: 181.189.100.0/23
Expected ASN: 271398 ()
Event Details
Detected advertisement: 181.189.100.0/24
Detected Origin ASN 270782 (L2K Informatica LTDA-ME, BR)
Detected AS Path 25291 1299 3356 262318 270782
Detected by number of BGPMon peers: 73

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