Possible BGP hijack

Beginning at 2020-05-21 17:36:55, we detected a possible BGP hijack.

Prefix 149.234.224.0/20, Normally announced by AS16673 BAYER-US-ASN, US

Starting at 2020-05-21 17:36:55, a more specific route (149.234.224.0/24) was announced by ASN 11664.

This was detected by 158 BGPMon peers.

Expected
Start time: 2020-05-21 17:36:55 UTC
Expected prefix: 149.234.224.0/20
Expected ASN: 16673 (BAYER-US-ASN, US)
Event Details
Detected advertisement: 149.234.224.0/24
Detected Origin ASN 11664 (Techtel LMDS Comunicaciones Interactivas S.A., AR)
Detected AS Path 12859 2914 19037 11664
Detected by number of BGPMon peers: 158

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