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-23.1 - EXHIBIT 23.1 - COGENT COMMUNICATIONS HOLDINGS, INC. | a2196368zex-23_1.htm |
| EX-32.2 - EXHIBIT 32.2 - COGENT COMMUNICATIONS HOLDINGS, INC. | a2196368zex-32_2.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 21.1
In Effect as of December 31, 2009
Subsidiaries of:
|
|
|
Jurisdiction |
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COGENT COMMUNICATIONS GROUP, INC. |
|
(Delaware) |
|
|
|
|
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COGENT COMMUNICATIONS, INC. |
|
(Delaware) |
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COGENT COMMUNICATIONS OF CALIFORNIA, INC. |
|
(Delaware) |
|
NETWORK EQUIPMENT SOLUTIONS, LLC |
|
(Delaware) |
|
UFO GROUP, INC. |
|
(Delaware) |
|
ALLIED RISER COMMUNICATIONS CORPORATION |
|
(Delaware) |
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ALLIED RISER OPERATIONS CORPORATION |
|
(Delaware) |
|
COGENT IH, LLC |
|
(Delaware) |
|
COGENT WG, LLC |
|
(Delaware) |
|
COGENT COMMUNICATIONS OF D.C., INC. |
|
(Delaware) |
|
COGENT COMMUNICATIONS OF FLORIDA, INC. |
|
(Delaware) |
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COGENT COMMUNICATIONS OF MARYLAND, INC. |
|
(Delaware) |
|
COGENT COMMUNICATIONS OF TEXAS, INC. |
|
(Delaware) |
|
SYMPOSIUM GAMMA, INC. |
|
(Delaware) |
|
COGENT CANADA, INC. |
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(Nova Scotia) |
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CCM COMMUNICATIONS S. de R.L. de C.V. |
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(Mexico) |
|
|
|
|
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COGENT EUROPE, S.À.R.L. |
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(Luxembourg) |
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COGENT BELGIUM SPRL |
|
(Belgium) |
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COGENT COMMUNICATIONS BULGARIA EOOD |
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(Bulgaria) |
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COGENT INTERNET d.o.o. |
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(Croatia) |
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COGENT COMMUNICATIONS CZECH REPUBLIC, s.r.o. |
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(Czech Republic) |
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COGENT COMMUNICATIONS DENMARK ApS |
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(Denmark) |
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COGENT COMMUNICATIONS ESTONIA, OÜ |
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(Estonia) |
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COGENT COMMUNICATIONS FINLAND OY |
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(Finland) |
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COGENT COMMUNICATIONS FRANCE, SAS |
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(France) |
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C.C.D. COGENT COMMUNICATIONS DEUTSCHLAND GMBH |
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(Germany) |
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COGENT COMMUNICATIONS HUNGARY, KFT. |
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(Hungary) |
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CCE COGENT INTERNET SERVICES LIMITED |
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(Ireland) |
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COGENT COMMUNICATIONS ITALIA S.R.L. |
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(Italy) |
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COGENT COMMUNICATIONS NETHERLANDS B.V. |
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(The Netherlands) |
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COGENT NORWAY AS |
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(Norway) |
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COGENT COMMUNICATIONS POLAND Sp. zo. o. |
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(Poland) |
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COGENT COMMUNICATIONS PORTUGAL, LDA. |
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(Portugal) |
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COGENT COMMUNICATIONS ROMANIA SRL |
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(Romania) |
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COGENT COMMUNICATIONS d.o.o. |
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(Serbia) |
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COGENT COMMUNICATIONS SLOVAKIA s.r.o. |
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(Slovak Republic) |
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COGENT ADRIA, KOMUNIKACIJE, d.o.o. |
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(Slovenia) |
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COGENT COMMUNICATIONS ESPAÑA S.A. |
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(Spain) |
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COGENT COMMUNICATIONS SWEDEN AB |
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(Sweden) |
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COGENT INTERNET SWITZERLAND LLC |
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(Switzerland) |
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TOV COGENT COMMUNICATIONS UKRAINE |
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(The Ukraine) |
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COGENT COMMUNICATIONS UK LTD |
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(United Kingdom) |