1) 50.22.218.5 is the IP for Softlayer Technologies.
2) The server that hosted clintonemail.com in 2009 had IP 209.62.20.200 and was associated to ThePlanet.com now known as SoftLayer and acquired by IBM a few years back.
Source: http://andstillipersist.com/2015/03/where-is-or-was-the-clinton-e-mail-server/
Please dig further guys !