Possible BGP hijack

Beginning at 2019-08-28 20:42:23, we detected a possible BGP hijack.

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

Starting at 2019-08-28 20:42:23, a more specific route ( was announced by ASN 12302.

This was detected by 44 BGPMon peers.

Start time: 2019-08-28 20:42:23 UTC
Expected prefix:
Expected ASN: 21928 (T-MOBILE-AS21928 - T-Mobile USA, Inc., US)
Event Details
Detected advertisement:
Detected Origin ASN 12302 (VODAFONE_RO Charles de Gaulle nr.15, RO)
Detected AS Path 15296 6939 12302
Detected by number of BGPMon peers: 44

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