Possible BGP hijack

Beginning at 2019-11-29 17:53:08, we detected a possible BGP hijack.

Prefix 91.200.164.0/22, Normally announced by AS200557 REGION40, RU

Starting at 2019-11-29 17:53:08, a more specific route (91.200.164.0/24) was announced by ASN 266445.

This was detected by 130 BGPMon peers.

Expected
Start time: 2019-11-29 17:53:08 UTC
Expected prefix: 91.200.164.0/22
Expected ASN: 200557 (REGION40, RU)
Event Details
Detected advertisement: 91.200.164.0/24
Detected Origin ASN 266445 (SEA TELECOM LTDA, BR)
Detected AS Path 12779 2914 2828 4230 266445 266445 266445 266445
Detected by number of BGPMon peers: 130

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