Exhibit 21.1
Subsidiaries of the Company†
Zayo Group Holdings, Inc. is publicly held and has no parent.
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Name of Subsidiary | State and/or Country of Incorporation or Organization |
Zayo Group Australia Pty. Ltd. | Australia |
upstreamNet Communications GmbH* | Austria |
Zayo Infrastructure Belgium NV | Belgium |
Allstream Business Inc. | Canada |
Zayo Canada Inc. | Canada |
Neocenter Est SARL* | France |
NeoClyde SAS* | France |
Resoptic SAS* | France |
Serenisys SARL* | France |
Zayo France SAS | France |
Zayo Group France SAS | France |
Zayo Infrastructure France SA* | France |
Zayo Enterprise France SASU | France |
Zayo Infrastructure Deutschland GmbH | Germany |
Zayo Group (HK) Limited | Hong Kong |
Emerald Bridge Fibres Limited* | Ireland |
Zayo Infrastructure Europe Limited | Ireland |
Zayo Infrastructure Ireland Limited | Ireland |
Zayo Italy S.r.l. | Italy |
MFN Japan KK | Japan |
Zayo Infrastructure Nederland B.V. | Netherlands |
Zayo Nederland B.V. | Netherlands |
Zayo Singapore Pte. Ltd. | Singapore |
Zayo Group South Africa (Pty) Ltd. | South Africa |
Zayo Infrastructure Spain, S.L. | Spain |
Zayo Infrastructure Switzerland AG | Switzerland |
FibreSpeed Limited | United Kingdom |
Geo Metro Limited | United Kingdom |
Geo Networks Limited | United Kingdom |
Zayo (UK) Limited | United Kingdom |
Zayo Group EU Limited | United Kingdom |
Zayo Group International Limited | United Kingdom |
Zayo Group UK Limited | United Kingdom |
Zayo Infrastructure (UK) Limited | United Kingdom |
Castle Access, Inc. | United States, California |
Abovenet Communications, LLC | United States, Delaware |
Electric Lightwave, LLC | United States, Delaware |
Zayo Capital, Inc. | United States, Delaware |
Zayo Group, LLC | United States, Delaware |
Zayo Professional Services, LLC | United States, Delaware |
Scott-Rice Telephone Co. | United States, Minnesota |
OpticAccess LLC | United States, Nevada |
X2 Telecom LLC | United States, Nevada |
Allstream Business US, LLC | United States, Oregon |
Zayo Latin America, LLC | United States, Delaware |
Zayo Infrastructure Mexico S. DE R.L. DE C.V. | Mexico |
Spread Holdings, LLC | United States, Mississippi |
Spread Telecommunications, LLC | United States, Mississippi |
Spread Data, LLC | United States, Delaware |
Spread Networks, LLC | United States, Mississippi |
Midwest Industrial Communications Services, LLC | United States, Delaware |
mmW Backhaul Solutions, LLC | United States, Delaware |
Northeastern ITS, LLC | Unites States, Pennsylvania |
Job 8, LLC | United States, Delaware |
Fibertrack, LLC | United States, Delaware |
†As of June 30, 2018
*Indicates a company that is not wholly owned directly or indirectly by Zayo Group Holdings, Inc.