internet-backbone-peering-how-to-become-an-isp
http://www.paul.sladen.org/
http://status-cable.virginmedia.com/vmstatus/summary.do
a peering matrix for internet...
http://www.lonap.net/cgi-bin/matrix.cgi
tier 1 status access to internetwork (e.g. google)
http://en.wikipedia.org/wiki/Tier_1_carrier
isp tier 2 does peering but also pays ip transit fees
tier 3 purchases all internet access
AMS-IX (amsterdam), LINX (london internet)
http://uk-isp-list.co.uk/
http://www.ukgrid.net/network.shtml
tier1: Level3,
TINet has the best performing backbone in Europe and their TINet IP/MPLS backbone extends over 19 countries in Europe, North America and Asia.
Global Crossing
Cogent
http://drpeering.net/a/Home.html
books on network routing