| January 11, 2012 |
ntt-america | |
| October 21, 2011 |
integra-telecom | |
| October 20, 2011 |
t | |
| September 21, 2011 |
alpheus, first-communications | |
| August 15, 2011 |
twc | |
| August 9, 2011 |
tndm | |
| July 5, 2011 |
cotendo | |
| June 30, 2011 |
cbey | |
| May 23, 2011 |
hibernia-atlantic | |
| May 23, 2011 |
gtt, packetexchange | |
| May 10, 2011 |
tinet, tndm | |
| January 31, 2011 |
csco | |
| January 18, 2011 |
voxel | |
| December 22, 2010 |
hibernia-atlantic | |
| December 20, 2010 |
elnk | |
| December 6, 2010 |
paet | |
| December 2, 2010 |
clwr | |
| September 13, 2010 |
paet | |
| September 2, 2010 |
inxn | |
| August 26, 2010 |
zayo | |
| August 18, 2010 |
msgy | |
| June 21, 2010 |
zayo | |
| April 22, 2010 |
bsft | |
| March 31, 2010 |
covad | |
| February 24, 2010 |
call | |