Possible BGP hijack

Beginning at 2017-07-15 03:55:13, we detected a possible BGP hijack.

Prefix 175.16.0.0/13, Normally announced by AS4837 CNCGROUP China169 Backbone

Starting at 2017-07-15 03:55:13, a more specific route (175.20.20.0/24) was announced by ASN 52348.

This was detected by 167 BGPMon peers.

Expected
Start time: 2017-07-15 03:55:13 UTC
Expected prefix: 175.16.0.0/13
Expected ASN: 4837 (CNCGROUP China169 Backbone)
Event Details
Detected advertisement: 175.20.20.0/24
Detected Origin ASN 52348 (Cooperativa El├ęctrica Antonio Carboni Ltda)
Detected AS Path 20912 1267 1273 12956 22927 52348
Detected by number of BGPMon peers: 167

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