Possible BGP hijack

Beginning at 2019-09-18 20:43:21 UTC, we detected a possible BGP hijack.

Prefix 192.58.128.0/24, is normally announced by AS10515 CLT-NIC - VeriSign Infrastructure & Operations, US.

But beginning at 2019-09-18 20:43:21, the same prefix (192.58.128.0/24) was also announced by ASN 27839.

This was detected by 5 BGPMon peers.

Expected
Start time: 2019-09-18 20:43:21 UTC
Expected prefix: 192.58.128.0/24
Expected ASN: 10515 (CLT-NIC - VeriSign Infrastructure & Operations, US)
Event Details
Detected advertisement: 192.58.128.0/24
Detected Origin ASN 27839 (Comteco Ltda, BO)
Detected AS Path 7849 7922 12956 27839
Detected by number of BGPMon peers: 5

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