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World Internet Maps

Global Internet Map 2010
From TeleGeography

Global Traffic Map 2010
From TeleGeography

Global Internet Map 2006
From TeleGeography

Internet Map: City to city connections (2007)
From Chris Harrison

AS level IPv6 backbone network topology
From IPV6 SKLSDE, BeiHang University

IPv4 & IPv6 Internet topology map 2009
From CAIDA

U.S. Internet Backbone Maps

Internet2 Network Map
From Internet2 (a networking consortium led by the research and education community)

vBNS (very high performance Backbone Network Service) (1995-2003)
Source: UCAR (1999). Networking in the post-Internet world: UCAR’s plan.

More resources

For internet backbone maps of different ISPs, see also ISP-Planet’s Backbone Directory: An ISP Guide to National & Global Providers. The site provides company info and backbone maps of more than 30 ISPs.