Possible BGP hijack

Beginning at 2020-04-27 17:42:12 UTC, we detected a possible BGP hijack.

Prefix 190.143.158.0/23, is normally announced by AS14754 Telgua, GT.

But beginning at 2020-04-27 17:42:12, the same prefix (190.143.158.0/23) was also announced by ASN 12127.

This was detected by 76 BGPMon peers.

Expected
Start time: 2020-04-27 17:42:12 UTC
Expected prefix: 190.143.158.0/23
Expected ASN: 14754 (Telgua, GT)
Event Details
Detected advertisement: 190.143.158.0/23
Detected Origin ASN 12127 (Telefonica Moviles El Salvador S.A. de C.V., SV)
Detected AS Path 61381 3320 12956 12127
Detected by number of BGPMon peers: 76

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