Possible BGP hijack

Beginning at 2019-08-02 18:25:00, 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 2019-08-02 18:25:00, a more specific route (172.60.11.0/24) was announced by ASN 263726.

This was detected by 153 BGPMon peers.

Expected
Start time: 2019-08-02 18:25:00 UTC
Expected prefix: 172.32.0.0/11
Expected ASN: 21928 (T-MOBILE-AS21928 - T-Mobile USA, Inc., US)
Event Details
Detected advertisement: 172.60.11.0/24
Detected Origin ASN 263726 (Red Uno SRL, AR)
Detected AS Path 55247 21548 6453 12956 22927 263726
Detected by number of BGPMon peers: 153

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