In Internet Protocol version 4 (IPv4), an address beginning with a binary 1111. Class E addresses are reserved for future use. See also binary notation and IPv4.
"Class E IP address." YourDictionary, n.d. Web. 15 August 2018. <http://www.yourdictionary.com/class-e-ip-address>.
Class E IP address. (n.d.). Retrieved August 15th, 2018, from http://www.yourdictionary.com/class-e-ip-address