Possible BGP hijack

Beginning at 2019-05-01 14:19:05, we detected a possible BGP hijack.

Prefix 131.221.96.0/23, Normally announced by AS264420 Jobson Luis Melo de Negreiros ME, BR

Starting at 2019-05-01 14:19:05, a more specific route (131.221.97.0/24) was announced by ASN 52320.

This was detected by 61 BGPMon peers.

Expected
Start time: 2019-05-01 14:19:05 UTC
Expected prefix: 131.221.96.0/23
Expected ASN: 264420 (Jobson Luis Melo de Negreiros ME, BR)
Event Details
Detected advertisement: 131.221.97.0/24
Detected Origin ASN 52320 (GlobeNet Cabos Submarinos Colombia, S.A.S., CO)
Detected AS Path 394497 3257 1299 52320
Detected by number of BGPMon peers: 61

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