Possible BGP hijack

Beginning at 2020-09-03 17:17:17 UTC, we detected a possible BGP hijack.

Prefix 177.66.124.0/23, is normally announced by AS52672 CETIP S.A - Mercados Organizados, BR.

But beginning at 2020-09-03 17:17:17, the same prefix (177.66.124.0/23) was also announced by ASN 203.

This was detected by 34 BGPMon peers.

Expected
Start time: 2020-09-03 17:17:17 UTC
Expected prefix: 177.66.124.0/23
Expected ASN: 52672 (CETIP S.A - Mercados Organizados, BR)
Event Details
Detected advertisement: 177.66.124.0/23
Detected Origin ASN 203 (CENTURYLINK-LEGACY-LVLT-203, US)
Detected AS Path 200005 3356 203
Detected by number of BGPMon peers: 34

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