Possible BGP hijack

Beginning at 2020-07-28 15:56:23 UTC, we detected a possible BGP hijack.

Prefix 185.172.88.0/22, is normally announced by AS49981 WORLDSTREAM, NL.

But beginning at 2020-07-28 15:56:23, the same prefix (185.172.88.0/22) was also announced by ASN 52794.

This was detected by 5 BGPMon peers.

Expected
Start time: 2020-07-28 15:56:23 UTC
Expected prefix: 185.172.88.0/22
Expected ASN: 49981 (WORLDSTREAM, NL)
Event Details
Detected advertisement: 185.172.88.0/22
Detected Origin ASN 52794 (Net Flex Ltda ME, BR)
Detected AS Path 264215 28260 52794
Detected by number of BGPMon peers: 5

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