Possible BGP hijack

Beginning at 2017-03-09 19:12:10, we detected a possible BGP hijack.

Prefix, Normally announced by AS21928 T-Mobile USA, Inc.

Starting at 2017-03-09 19:12:10, a more specific route ( was announced by ASN 41881.

This was detected by 93 BGPMon peers.

Start time: 2017-03-09 19:12:10 UTC
Expected prefix:
Expected ASN: 21928 (T-Mobile USA, Inc.)
Event Details
Detected advertisement:
Detected Origin ASN 41881 (Fanava Group)
Detected AS Path 61283 35266 200612 12880 41881
Detected by number of BGPMon peers: 93

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