ARPANET, MILNET, SATNET, WIDEBAND Map Produced by Bolt, Baranek & Newman

1986
Map of MILNET, ARPANET, SATNET, and WIDEBAND by BBN
Image Source: en.wikipedia.org
The little squares are routers, the small ovals are sites/networks (some sites included more than one physical network), and the large shapes are long-haul backbones. No individual hosts are shown. 
Network map, percursing the Internet, but showing components that would be folded into it, produced by Bob Hinden of Bolt, Baranek and Newman under government contract in April 1986. This map was for a presentation given at the second meeting of the Internet Engineering Task Force (IETF).

Timeline Themes

Internet & Networking