...carriers to return portions of unassigned prefix codes; (3) adopt interim number assignment standards; (4) implementinterim unassigned number porting; and (5) revise rationing procedures as necessary. Comments are due June 15. Replies...
http://www.neustar.biz/pressroom/files/portink/portink_may-jun_00.pdf
Cathryn A. Manduca, DLESE Program Center, Carleton College Flora P. McMartin, SMETE.ORG, University of California at Berkeley David W. Mogk, DLESE Program Center, Montana State University I. Introduction
http://vtie.gsfc.nasa.gov/meeting-docs/whitepaper.pdf