Bibliografia
[CG] http://www.cg.org.br/grupo/operação_ptt_v1.1.htm
[ESPANIX] http://www.espanix.net/en/peerings.html
[RSIX] http://www.penta.ufrgs.br/rsix
[LINX] http://www.linx.net
[Internet] http://boardwatch.internet.com
[Registro-br] http://registro.br
[ANSP] http://www2.ansp.br:8080/fbr/ptt
[ESnet] http://www.es.net
[Chicago NAP] http://www.aads.net/main.html
[Sprintlink NAP] http://www.sprintlink.net/
[PacBell NAP] http://www.pacbell.com/Products_Services/ Business/ProdInfo_1/1,,146--1-1-0,00.html
[MAE-East] http://www.mae.net/ATM/MAE_East.htm
[MFN] http://www.mfn.com/