- https://www.nanog.org/meetings/nanog33/presentations/gibbard.pdfhttps://www.nanog.org/…./gibbard.pdf
- Alguns Serviços
- http://lg.alog.com.br/
- http://lg.ctbc.com.br/
- https://lg.gvt.net.br/
- http://lg.host.net/
- http://lg.level3.net/
- http://lg.maxiweb.com.br/ - Jundiai - SP
- http://lg.version6.net/
- https://service.asdasd.it/lg/
- http://www.globalcrossing.com/network/network_looking_glass.aspxhttp://www.globalcrossing.com/….
- http://www.rnp.br/servicos/lg/
- http://routeserver.org/
- http://traceroute.org/
- https://www.us.ntt.net/support/looking-glass/
- http://www.cogentco.com/en/network/looking-glass
- https://lg.he.net/
- https://www.ultratools.com/tools/lookingGlassTools
- http://www.traceroute.org
- Via Telnet
- route-server.gblx.net
- g.gvt.net.br
- lg.ce.ptt.br
- Listas
- Software