Exhibit 12.1



Computation of Ratio of Earnings to Fixed Charges

Global Crossing Limited

(Dollars in Millions)



|                                                 |  |                          |      |   |      |   |      |      |  |   |      |   |  |      |      |   |  |   |      |  
|------------------------------------------------ |  | ------------------------ | ---- | - | ---- | - | ---- | ---- |  | - | ---- | - |  | ---- | ---- | - |  | - | ---- | -
|                                                 |  | Years Ended December 31, |     
|                                                 |  | 2010                     |      |   | 2009 |   |      | 2008 |  |   | 2007 |   |  | 2006 |     
|Loss before benefit (provision) for income taxes |  | $                        | (177 | ) |      | $ | (140 | )    |  | $ | (235 | ) |  | $    | (249 | ) |  | $ | (261 | )
|Interest expense                                 |  |                          | 191  |   |      |   | 160  |      |  |   | 176  |   |  |      | 177  |   |  |   | 110  |  
|Portion of rent expense representing interest    |  |                          | 67   |   |      |   | 64   |      |  |   | 66   |   |  |      | 57   |   |  |   | 47   |  
|                                                 |  |                          |      |   |      |   |      |      |  |   |      |   |  |      |      |   |  |   |      |  
|Income (loss) available for fixed charges        |  | $                        | 81   |   |      | $ | 84   |      |  | $ | 7    |   |  | $    | (15  | ) |  | $ | (104 | )
|                                                 |  |                          |      |   |      |   |      |      |  |   |      |   |  |      |      |   |  |   |      |  
|Fixed Charges:                                   |  |                          |      |   |      |   |      |      |  |   |      |   |  |      |      |   |  |   |      |  
|Interest expense                                 |  | $                        | 191  |   |      | $ | 160  |      |  | $ | 176  |   |  | $    | 177  |   |  | $ | 110  |  
|Portion of rent expense representing interest    |  |                          | 67   |   |      |   | 64   |      |  |   | 66   |   |  |      | 57   |   |  |   | 47   |  
|Preferred stock dividends                        |  |                          | 4    |   |      |   | 4    |      |  |   | 4    |   |  |      | 4    |   |  |   | 3    |  
|                                                 |  |                          |      |   |      |   |      |      |  |   |      |   |  |      |      |   |  |   |      |  
|Fixed charges                                    |  | $                        | 262  |   |      | $ | 228  |      |  | $ | 246  |   |  | $    | 238  |   |  | $ | 160  |  
|                                                 |  |                          |      |   |      |   |      |      |  |   |      |   |  |      |      |   |  |   |      |  
|Ratio of Earnings to Fixed Charges               |  |                          |     |   |      |   |     |      |  |   |     |   |  |      |     |   |  |   |     |  
|                                                 |  |                          |      |   |      |   |      |      |  |   |      |   |  |      |      |   |  |   |      |  
|Deficiency                                       |  | $                        | 181  |   |      | $ | 144  |      |  | $ | 239  |   |  | $    | 253  |   |  | $ | 264  |  
|                                                 |  |                          |      |   |      |   |      |      |  |   |      |   |  |      |      |   |  |   |      |