| 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 |
|