I'll start! Various such lists have been started over time, but I don't think anybody was willing to maintain them. I agree that it's hard to figure out routing issues when the network topology is unknown! A nice HECnet map would be worth its weight in gold about now. Area: 2 Name: Bob Armstrong Location: Milpitas, CA (Western US) Router: LEGATO:: - connected via bridge and Multinet Tunnels Bob