Possible BGP hijack

Beginning at 2022-07-23 03:46:25, we detected a possible BGP hijack.

Prefix 11.0.0.0/13, Normally announced by AS749 DNIC-AS-00749, US

Starting at 2022-07-23 03:46:25, a more specific route (11.1.252.0/24) was announced by ASN 263102.

This was detected by 12 BGPMon peers.

Expected
Start time: 2022-07-23 03:46:25 UTC
Expected prefix: 11.0.0.0/13
Expected ASN: 749 (DNIC-AS-00749, US)
Event Details
Detected advertisement: 11.1.252.0/24
Detected Origin ASN 263102 (R A DIAS SANTOS PROVEDOR DE INTERNET, BR)
Detected AS Path 28300 52554 263102
Detected by number of BGPMon peers: 12

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