You can just use BGP to find out all that information easily enough for any network with an AS number (i.e. any who speaks BGP). Just take a look here: http://b

You can just use BGP to find out all that information easily enough for any network with an AS number (i.e. any who speaks BGP). Just take a look here: http://bgp.he.net http://bgp.he.net or a plethora of looking glasses like http://lg.level3.net http://lg.level3.net or publicly available route servers like telnet://route-views.routeviews.org