On the Record · Cogent Communications Holdings
Cogent Communications Holdings subsidiaries, as it lists them
The subsidiaries Cogent Communications Holdings lists in its latest annual report, with the jurisdiction of each, linked to the filing.
Subsidiaries it lists
| Subsidiary | Jurisdiction |
|---|---|
| COGENT COMMUNICATIONS GROUP, LLC | Delaware |
| COGENT COMMUNICATIONS, LLC | Delaware |
| COGENT FINANCE, INC. | Delaware |
| COGENT COMMUNICATIONS OF CALIFORNIA, INC. | Delaware |
| COGENT COMMUNICATIONS OF D.C., INC. | Delaware |
| COGENT COMMUNICATIONS OF FLORIDA, INC. | Delaware |
| COGENT COMMUNICATIONS OF MARYLAND, INC. | Delaware |
| COGENT COMMUNICATIONS OF TEXAS USA, INC. | Delaware |
| COGENT IH, LLC | Delaware |
| COGENT WG, LLC | Delaware |
| COGENT TW, LLC | Delaware |
| COGENT RB, LLC | Delaware |
| COGENT AFRICAONE, LLC | Delaware |
| COGENT AFRICATWO, LLC | Delaware |
| COGENT INFRASTRUCTURE, LLC | Delaware |
| COGENT IPV4 HOLDCO LLC | Delaware |
| COGENT IPV4 LLC | Delaware |
| WIRELINE NETWORK HOLDINGS LLC | Delaware |
| UTELCOM LLC | Kansas |
| SPRINT INTERNATIONAL HOLDING LLC | Kansas |
| SPRINT COMMUNICATIONS COMPANY LP | Delaware |
| SPRINT INTERNATIONAL LLC | Delaware |
| SPRINT INTERNATIONAL COMMUNICATIONS LLC | Delaware |
| SPRINT INTERNATIONAL NETWORK COMPANY LLC | Delaware |
| SPRINT SOLUTIONS WIRELINE LLC | Delaware |
| COGENT CANADA, INC. | Nova Scotia, Canada |
| COGENT EUROPE HOLDINGS, S.À R.L. | Luxembourg |
| COGENT EUROPE, SARL | Luxembourg |
| COGENT ALBANIA SH.P.K. | Albania |
| COGENT ARGENTINA S.R.L. | Argentina |
| COGENT COMMUNICATIONS AUSTRALIA PTY LTD | Australia |
| COGENT COMMUNICATIONS BELGIUM SPRL | Belgium |
| COGENT BRASIL TELECOMUNICAÇÕES LTDA. | Brazil |
| COGENT COMMUNICATIONS BULGARIA EOOD | Bulgaria |
| COGENT COMMUNICATIONS CHILE LIMITADA | Chile |
| COGENT COLOMBIA, S.A.S | Colombia |
| COGENT COSTA RICA LLC, S. de R.L. | Costa Rica |
| COGENT INTERNET d.o.o. | Croatia |
| COGENT COMMUNICATIONS CZECH REPUBLIC S.R.O. | Czech Republic |
| COGENT COMMUNICATIONS DENMARK ApS | Denmark |
| COGENT COMMUNICATIONS ESTONIA, OU | Estonia |
| COGENT COMMUNICATIONS FINLAND OY | Finland |
| COGENT COMMUNICATIONS France, SAS | France |
| CCD COGENT COMMUNICATIONS DEUTSCHLAND GmbH | Germany |
| AUSTRIA Permanent Establishment of C.C.D. Cogent Communications Deutschland, GmbH | Austria |
| SWEDISH Branch Svensk filial till C.C.D. Communications Deutschland GmbH | Sweden |
| COGENT HELLAS INTERNET SERVICES SOLE MEMBER LIMITED LIABILITY COMPANY | Greece |
| COGENT COMMUNICATIONS GUATEMALA Y COMPAÑÍA LIMITADA | Guatemala |
| COGENT COMMUNICATIONS HONG KONG LIMITED | Hong Kong |
| COGENT COMMUNICATIONS HUNGARY KFT | Hungary |
| COGENT INTERNET PRIVATE LIMITED | India |
| CCE COGENT INTERNET SERVICES LTD. | Ireland |
| COGENT COMMUNICATIONS ITALIA SRL | Italy |
| COGENT JAPAN G.K. | Japan |
| COGENT COMMUNICATIONS KENYA LIMITED | Kenyan |
| COGENT LATVIA SIA | Latvia |
| COGENT LITHUANIA UAB | Lithuania |
| COMPANY FOR INTERNET SERVICES COGENT MACEDONIA DOOEL SKOPJE | Macedonia |
| Î.C.S. "COGENT INTERNET MLD" S.R.L. | Moldova |
| COGENT COMMUNICATIONS MONTENEGRO d.o.o., Podgorica | Montenegro |
| CCM COMMUNICATIONS, S.de R.L. de C.V. | Mexico |
| COGENT COMMUNICATIONS NETHERLANDS B.V. | Netherlands |
| COGENT NEW ZEALAND LIMITED | New Zealand |
| COGENT NORWAY AS | Norway |
| COGENT COMMUNICATIONS PANAMA S. de R.L. | Panama |
| COGENT PERÚ S.R.L. | Peru |
| COGENT PHILIPPINES COMMUNICATIONS, CORP. | Philippines |
| COGENT COMMUNICATIONS POLAND Sp.zo.o. | Poland |
| COGENT COMMUNICATIONS PORTUGAL Lda | Portugal |
| COGENT COMMUNICATIONS ROMANIA SRL | Romania |
| COGENT SERB D.O.O. BEOGRAD | Serbia |
| COGENT INTERNET SINGAPORE PTE. LTD. | Singapore |
| COGENT COMMUNICATIONS SLOVAKIA S.R.O. | Slovakia |
| COGENT ADRIA, KOMUNIKACIJE, d.o.o. | Slovenia |
| COGENT SOUTH AFRICA (PTY) LTD | South Africa |
| COGENT KOREA YUHAN HOESA (COGENT KOREA, LLC) | South Korea |
| COGENT COMMUNICATIONS ESPANA S.L. | Spain |
| COGENT INTERNET SWITZERLAND, LLC | Switzerland |
| COGENT TAIWAN LIMITED | Taiwan |
| COGENT COMMUNICATIONS TANZANIA LIMITED | Tanzania |
| COGENT COMMUNICATIONS (THAILAND) LIMITED | Thailand |
| COGENT COMMUNICATIONS INTERNET SERVICES LLC | Turkey |
| COGENT COMMUNICATIONS UK LTD. | United Kingdom |
| TOV COGENT COMMUNICATIONS UKRAINE | Ukraine |
| SPRINT INTERNATIONAL ARGENTINA, S.R.L. | Argentina |
| SPRINT INTERNATIONAL AUSTRALIA PTY LIMITED | Australia |
| SPRINT INTERNATIONAL AUSTRIA GMBH | Austria |
| SPRINT INTERNATIONAL COLOMBIA LTDA | Colombia |
| SPRINT INTERNATIONAL CZECH REPUBLIC S.R.O. | Czech Republic |
| SPRINTLINK DENMARK APS | Denmark |
| SPRINTLINK GERMANY GMBH | Germany |
| SPRINT TELECOM INDIA PRIVATE LIMITED | India |
| SIHI MEXICO, S. DE R.L. DE C.V. | Mexico |
| SPRINTLINK POLAND SP. Z O.O. | Poland |
| SPRINT RUS LLC | Russia |
| SPRINT INTERNATIONAL COMMUNICATIONS SINGAPORE PTE LTD | Singapore |
| SPRINT INTERNATIONAL SPAIN, S.L. | Spain |
| SIHI SCANDINAVIA AB | Sweden |
| SPRINT INTERNATIONAL TAIWAN LIMITED | Taiwan |
| SPRINT (THAILAND) LIMITED | Thailand |
| SPRINTLINK UK LIMITED | United Kingdom |
From Exhibit 21 of the 10-K for 2025. Companies must list their significant subsidiaries there and may leave out smaller ones, so this is the company’s own list, not every entity it owns.
Read from Cogent Communications Holdings’s annual reports (10-K for 2025, 10-K for 2024, 10-K for 2023) and the financial data it files with the SEC, as of 2026-02-20. Every quotation is word for word from the filing linked beside it; how these pages are built and checked. The full record is in its company data sheet.