전 세계 Looking Glass

http://www.traceroute.org
http://www.bgp4.as/looking-glasses

- Anonymous Router : ATTnet  telnet://route-server.ip.att.net
- Anonymous Router : CERFnet telnet://route-server.cerf.net
- Anonymous Router : Global Crossing telnet://route-server.gblx.net
- Anonymous Router : Oregon Internet Exchange telnet://route-views.oregon-ix.net