2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/123037We consider the RIPE WHOIS Internet data as characterized by the Cooperative Association for Internet Data Analysis (CAIDA), and show that the Tempered Preferential Attachment model [1] provides an excellent fit to this data. [1] D'Souza, Borgs, Chayes, Berger and Kleinberg, to appear PNAS USA, 2007.Supplemental information for "Emergence of Tempered Preferential Attachment From Optimization", to appear (open access) PNAS USA, 2007Networking and Internet Architecturetext