Attached files

file filename
EX-31.2 - EXHIBIT 31.2 - COGENT COMMUNICATIONS HOLDINGS, INC.a2196368zex-31_2.htm
EX-31.1 - EXHIBIT 31.1 - COGENT COMMUNICATIONS HOLDINGS, INC.a2196368zex-31_1.htm
EX-21.1 - EXHIBIT 21.1 - COGENT COMMUNICATIONS HOLDINGS, INC.a2196368zex-21_1.htm
EX-23.1 - EXHIBIT 23.1 - COGENT COMMUNICATIONS HOLDINGS, INC.a2196368zex-23_1.htm
EX-10.25 - EXHIBIT 10.25 - COGENT COMMUNICATIONS HOLDINGS, INC.a2196368zex-10_25.htm
EX-32.1 - EXHIBIT 32.1 - COGENT COMMUNICATIONS HOLDINGS, INC.a2196368zex-32_1.htm
10-K - 10-K - COGENT COMMUNICATIONS HOLDINGS, INC.a2196368z10-k.htm

Exhibit 32.2

 

Certification of Chief Financial Officer

 

Pursuant to 18 U.S.C. § 1350, as created by Section 906 of the Sarbanes-Oxley Act of 2002, the undersigned officer of Cogent Communications Group, Inc. (the “Company”) hereby certifies, to such officer’s knowledge, that:

 

(i)  the accompanying Annual Report on Form 10-K of the Company for the year ended December 31, 2009 (the “Report”) fully complies with the requirements of Section 13(a) or Section 15(d), as applicable, of the Securities Exchange Act of 1934, as amended; and

 

(ii)  the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

 

Dated: March 1, 2010

 

 

/s/   THADDEUS WEED

 

Thaddeus Weed

 

Chief Financial Officer

 

The foregoing certification is being furnished solely to accompany the Report pursuant to 18 U.S.C. § 1350, and is not being filed for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, and is not to be incorporated by reference into any filing of the Company, whether made before or after the date hereof, regardless of any general incorporation language in such filing.

 

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