Possible BGP hijack

Beginning at 2018-12-05 15:56:57 UTC, we detected a possible BGP hijack.

Prefix 138.122.192.0/22, is normally announced by AS52485 networksdelmanana.com.

But beginning at 2018-12-05 15:56:57, the same prefix (138.122.192.0/22) was also announced by ASN 27884.

This was detected by 44 BGPMon peers.

Expected
Start time: 2018-12-05 15:56:57 UTC
Expected prefix: 138.122.192.0/22
Expected ASN: 52485 (networksdelmanana.com)
Event Details
Detected advertisement: 138.122.192.0/22
Detected Origin ASN 27884 (CABLECOLOR S.A.)
Detected AS Path 28294 3549 3356 1299 27884
Detected by number of BGPMon peers: 44

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