Possible BGP hijack

Beginning at 2019-11-29 17:52:55, we detected a possible BGP hijack.

Prefix 45.172.224.0/22, Normally announced by AS267830 --No Registry Entry--

Starting at 2019-11-29 17:52:55, a more specific route (45.172.224.0/23) was announced by ASN 266445.

This was detected by 134 BGPMon peers.

Expected
Start time: 2019-11-29 17:52:55 UTC
Expected prefix: 45.172.224.0/22
Expected ASN: 267830 (--No Registry Entry--)
Event Details
Detected advertisement: 45.172.224.0/23
Detected Origin ASN 266445 (SEA TELECOM LTDA, BR)
Detected AS Path 26120 3257 2828 4230 266445 266445 266445 266445
Detected by number of BGPMon peers: 134

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