Possible BGP hijack

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

Prefix 172.32.0.0/11, Normally announced by AS21928 T-Mobile USA, Inc.

Starting at 2017-03-09 19:12:10, a more specific route (172.33.0.0/21) was announced by ASN 41881.

This was detected by 93 BGPMon peers.

Expected
Start time: 2017-03-09 19:12:10 UTC
Expected prefix: 172.32.0.0/11
Expected ASN: 21928 (T-Mobile USA, Inc.)
Event Details
Detected advertisement: 172.33.0.0/21
Detected Origin ASN 41881 (Fanava Group)
Detected AS Path 61283 35266 200612 12880 41881
Detected by number of BGPMon peers: 93

Watch the replay of this event