Possible BGP hijack

Beginning at 2019-04-11 04:21:22, we detected a possible BGP hijack.

Prefix 100.128.0.0/9, Normally announced by AS21928 T-MOBILE-AS21928 - T-Mobile USA, Inc., US

Starting at 2019-04-11 04:21:22, a more specific route (100.201.0.0/24) was announced by ASN 262428.

This was detected by 19 BGPMon peers.

Expected
Start time: 2019-04-11 04:21:22 UTC
Expected prefix: 100.128.0.0/9
Expected ASN: 21928 (T-MOBILE-AS21928 - T-Mobile USA, Inc., US)
Event Details
Detected advertisement: 100.201.0.0/24
Detected Origin ASN 262428 (Link10 - Cataguases Net Ltda, BR)
Detected AS Path 28300 262428
Detected by number of BGPMon peers: 19

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