Attached files

file filename
EX-32 - EX-32 - Zayo Group Holdings, Inc.zayo-20180630xex32.htm
EX-31.2 - EX-31.2 - Zayo Group Holdings, Inc.zayo-20180630ex312072bdc.htm
EX-31.1 - EX-31.1 - Zayo Group Holdings, Inc.zayo-20180630ex3114a73c0.htm
EX-23.1 - EX-23.1 - Zayo Group Holdings, Inc.zayo-20180630ex231597c75.htm
10-K - 10-K - Zayo Group Holdings, Inc.zayo-20180630x10k.htm

Exhibit 21.1

Subsidiaries of the Company

 

Zayo Group Holdings, Inc. is publicly held and has no parent.

 

 

 

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.