Possible BGP hijack

Beginning at 2019-11-28 04:01:55 UTC, we detected a possible BGP hijack.

Prefix 190.136.0.0/16, is normally announced by AS7303 Telecom Argentina S.A., AR.

But beginning at 2019-11-28 04:01:55, the same prefix (190.136.0.0/16) was also announced by ASN 18747.

This was detected by 95 BGPMon peers.

Expected
Start time: 2019-11-28 04:01:55 UTC
Expected prefix: 190.136.0.0/16
Expected ASN: 7303 (Telecom Argentina S.A., AR)
Event Details
Detected advertisement: 190.136.0.0/16
Detected Origin ASN 18747 (IFX18747 - IFX Corporation, US)
Detected AS Path 33362 6461 6453 18747
Detected by number of BGPMon peers: 95

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