Possible BGP hijack

Beginning at 2020-07-13 19:28:52 UTC, we detected a possible BGP hijack.

Prefix 8.23.24.0/23, is normally announced by AS6507 RIOT-NA1, US.

But beginning at 2020-07-13 19:28:52, the same prefix (8.23.24.0/23) was also announced by ASN 52872.

This was detected by 4 BGPMon peers.

Expected
Start time: 2020-07-13 19:28:52 UTC
Expected prefix: 8.23.24.0/23
Expected ASN: 6507 (RIOT-NA1, US)
Event Details
Detected advertisement: 8.23.24.0/23
Detected Origin ASN 52872 (VOANET Telecomunicacoes Ltda., BR)
Detected AS Path 262595 266167 267056 267613 52872
Detected by number of BGPMon peers: 4

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