Looking glass
Looking Glass (LG) is a command line interface that provides users with limited access to the router. LG servers are deployed in different parts of the Internet and allow on-line checking of prefixes, collected from the BGP speaking routers. It is usually used for network diagnosis and can also provide data for scientific research. Our LG server (lg.cgtf.net), which provides access to several educational networks in Asia and supports several commands such as “ping”,“traceroute”, “show bgp route”.