Possible BGP hijack

Beginning at 2018-11-19 00:03:47, we detected a possible BGP hijack.

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

Starting at 2018-11-19 00:03:47, a more specific route (172.33.0.0/24) was announced by ASN 265345.

This was detected by 18 BGPMon peers.

Expected
Start time: 2018-11-19 00:03:47 UTC
Expected prefix: 172.32.0.0/11
Expected ASN: 21928 (T-Mobile USA, Inc.)
Event Details
Detected advertisement: 172.33.0.0/24
Detected Origin ASN 265345 (HUP TELECOM LTDA)
Detected AS Path 28329 52872 265345
Detected by number of BGPMon peers: 18

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