Possible BGP hijack

Beginning at 2019-04-02 20:34:00, we detected a possible BGP hijack.

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

Starting at 2019-04-02 20:34:00, a more specific route (172.60.1.0/24) was announced by ASN 262378.

This was detected by 175 BGPMon peers.

Expected
Start time: 2019-04-02 20:34:00 UTC
Expected prefix: 172.32.0.0/11
Expected ASN: 21928 (T-MOBILE-AS21928 - T-Mobile USA, Inc., US)
Event Details
Detected advertisement: 172.60.1.0/24
Detected Origin ASN 262378 (Compuservice Empreendimentos Ltda, BR)
Detected AS Path 9363 4637 6762 26615 262378 262378 262378
Detected by number of BGPMon peers: 175

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