Possible BGP hijack

Beginning at 2018-12-21 05:38:48, we detected a possible BGP hijack.

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

Starting at 2018-12-21 05:38:48, a more specific route ( was announced by ASN 23947.

This was detected by 76 BGPMon peers.

Start time: 2018-12-21 05:38:48 UTC
Expected prefix:
Expected ASN: 21928 (T-MOBILE-AS21928 - T-Mobile USA, Inc., US)
Event Details
Detected advertisement:
Detected Origin ASN 23947 (MORATELINDONAP-AS-ID PT.Mora Telematika Indonesia, ID)
Detected AS Path 27553 12129 6939 23947
Detected by number of BGPMon peers: 76

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