EGY1127 resolves to a VC-130H Egyptian Air Force tail #1289
Track on Radarbox
https://www.radarbox.com/data/flights/EGY1127/1507496753
Heading down to south Texas, not sure if Egypt AF is doing some training in the US.
There have been quite a few planes lately showing spurious altitudes 60k+ something glitchy with ADSB.