Attached files
| file | filename |
|---|---|
| EX-23.1 - EXHIBIT-23.1 - COGENT COMMUNICATIONS HOLDINGS, INC. | ccoi-20201231xex23d1.htm |
| EX-31.1 - EXHIBIT-31.1 - COGENT COMMUNICATIONS HOLDINGS, INC. | ccoi-20201231xex31d1.htm |
| EX-31.2 - EXHIBIT-31.2 - COGENT COMMUNICATIONS HOLDINGS, INC. | ccoi-20201231xex31d2.htm |
| EX-32.1 - EXHIBIT-32.1 - COGENT COMMUNICATIONS HOLDINGS, INC. | ccoi-20201231xex32d1.htm |
| EX-32.2 - EXHIBIT-32.2 - COGENT COMMUNICATIONS HOLDINGS, INC. | ccoi-20201231xex32d2.htm |
| 10-K - 10-K - COGENT COMMUNICATIONS HOLDINGS, INC. | ccoi-20201231x10k.htm |
In Effect as of February 1, 2021 | EXHIBIT 21.1 |
Legal Entity | Jurisdiction |
| |
COGENT COMMUNICATIONS HOLDINGS, INC. | (Delaware) |
subsidiaries: | |
COGENT COMMUNICATIONS GROUP, INC. | (Delaware) |
COGENT COMMUNICATIONS, INC. | (Delaware) |
COGENT COMMUNICATIONS OF CALIFORNIA, INC. | (Delaware) |
COGENT AFRICAONE, LLC | (Delaware) |
COGENT AFRICATWO, LLC | (Delaware) |
COGENT IH, LLC | (Delaware) |
COGENT WG, LLC | (Delaware) |
COGENT RB, LLC | (Delaware) |
COGENT TW, LLC | (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 CANADA, INC. | (Nova Scotia) |
CCM COMMUNICATIONS S. de R.L. de C.V. | (Mexico) |
COGENT ARGENTINA S.R.L. | (Argentina) |
COGENT BRASIL HOLDINGS LTDA. | (Brazil) |
COGENT BRASIL TELECOMUNICAÇÕES LTDA. | (Brazil) |
COGENT COMMUNICATIONS CHILE LIMITADA | (Chile) |
COGENT COLOMBIA S.A.S. | (Colombia) |
COGENT PERU S.R.L. | (Peru) |
| |
COGENT COMMUNICATIONS AUSTRALIA PTY LTD | (Australia) |
COGENT COMMUNICATIONS HONG KONG LIMITED | (Hong Kong) |
COGENT JAPAN G.K. | (Japan) |
COGENT KOREA, LLC | (South Korea) |
COGENT NEW ZEALAND LIMITED | (New Zealand) |
COGENT INTERNET SINGAPORE PTE. LTD. | (Singapore) |
COGENT TAIWAN LIMITED | (Taiwan) |
COGENT SOUTH AFRICA PTY. LTD. | (South Africa) |
COGENT COMMUNICATIONS TANZANIA LIMITED | (Tanzania) |
| |
COGENT EUROPE, S.À.R.L. | (Luxembourg) |
COGENT ALBANIA SH.P.K. | (Albania) |
COGENT COMMUNICATIONS BELGIUM SPRL | (Belgium) |
COGENT COMMUNICATIONS BULGARIA EOOD | (Bulgaria) |
COGENT INTERNET d.o.o. | (Croatia) |
COGENT COMMUNICATIONS CZECH REPUBLIC, s.r.o. | (Czech Republic) |
COGENT COMMUNICATIONS DENMARK ApS | (Denmark) |
COGENT COMMUNICATIONS ESTONIA, OÜ | (Estonia) |
COGENT COMMUNICATIONS FINLAND OY | (Finland) |
COGENT COMMUNICATIONS FRANCE, SAS | (France) |
C.C.D. COGENT COMMUNICATIONS DEUTSCHLAND GMBH | (Germany) |
COGENT HELLAS INTERNET SERVICES SOLE MEMBER LLC | (Greece) |
COGENT COMMUNICATIONS HUNGARY, KFT. | (Hungary) |
CCE COGENT INTERNET SERVICES LIMITED | (Ireland) |
COGENT COMMUNICATIONS ITALIA S.R.L. | (Italy) |
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. | (Montenegro) |
COGENT COMMUNICATIONS NETHERLANDS B.V. | (The Netherlands) |
COGENT MANAGEMENT BV | (The Netherlands) |
COGENT NORWAY AS | (Norway) |
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 COMMUNICATIONS SLOVAKIA s.r.o. | (Slovak Republic) |
COGENT ADRIA, KOMUNIKACIJE , d.o.o. | (Slovenia) |
COGENT COMMUNICATIONS ESPAÑA S.L. | (Spain) |
COGENT INTERNET SWITZERLAND LLC | (Switzerland) |
COGENT COMMUNICATIONS INTERNET SERVICES LLC | (Turkey) |
TOV COGENT COMMUNICATIONS UKRAINE | (Ukraine) |
COGENT COMMUNICATIONS UK LTD | (United Kingdom) |