• 174 – Cogent
  • 209 – CenturyLink (formerly Qwest)
  • 701 – Verizon (formerly MCI / Worldcom / UUNet)
  • 812 – Rogers
  • 852 – Telus
  • 1239 – Sprint
  • 2828 – XO Communications
  • 2914 – NTT
  • 3356 – Level 3
  • 3549 – Level 3 (formerly Global Crossing)
  • 3561 – Savvis
  • 6939 – Hurricane Electric
  • 7018 – AT&T
  • 8075 – Microsoft
  • 12182 – InterNap
  • 16467 – NextWeb
  • 17111 – Covad
  • 22773 – Cox
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