Possible BGP hijack

Beginning at 2019-01-30 15:11:01, we detected a possible BGP hijack.

Prefix 128.251.0.0/16, Normally announced by AS15288 ALCATEL-NA - Alcanet International NA, US

Starting at 2019-01-30 15:11:01, a more specific route (128.251.215.0/24) was announced by ASN 11664.

This was detected by 190 BGPMon peers.

Expected
Start time: 2019-01-30 15:11:01 UTC
Expected prefix: 128.251.0.0/16
Expected ASN: 15288 (ALCATEL-NA - Alcanet International NA, US)
Event Details
Detected advertisement: 128.251.215.0/24
Detected Origin ASN 11664 (Techtel LMDS Comunicaciones Interactivas S.A., AR)
Detected AS Path 1103 3257 1299 19037 11664
Detected by number of BGPMon peers: 190

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