Definitions for "IEN"
Internet Experiment Note. A series of reports pertinent to the Internet. IENs were published in parallel to RFCs and were intended to be "working documents." They have been replaced by Internet-Drafts and are currently of historic value only. See also: Internet-Draft, Request For Comments. [Source: RFC1392
Internet Engineering Notes
See: Internet Experiment Note
iEntertainment Network, the owners and producers of Warbirds.
Information Exchange Network