Exhibit 21.2

DASAN Zhone Solutions, Inc.

List of Subsidiaries

DASAN Zhone Solutions, Inc. had the following subsidiaries at December 31, 2019:

Name

Organized under the laws of

Ark Electronic Products, Inc.

Florida

DASAN Network Solutions, Inc.

California

DASAN Network Solutions, Inc.

Korea

DASAN India Private Limited

India

DASAN Vietnam Company Limited

Vietnam

D-Mobile Limited

Taiwan

DZS Japan Inc.

Japan

Keymile GmbH

Germany

Keymile Ltd.

United Kingdom

Keymile Ltda.

Brazil

Keymile Networks GmbH

Germany

Keymile Sp.z.o.o.

Poland

Paradyne Corporation  

Delaware

Paradyne Finance Corp.  

Delaware

Paradyne Networks Inc.

Delaware

Paradyne Worldwide Corporation

Delaware

Premisys Communications, Inc.

Delaware

Xybridge Technologies, Inc.

Texas

Zhone AB

Sweden

Zhone Holdings, Inc.

Delaware

Zhone International Ltd.

Cayman Islands

Zhone Technologies B.V.

Netherlands

Zhone Technologies Campus, LLC

California

Zhone Technologies de Argentina SRL

Argentina

Zhone Technologies de Colombia Limitada

Colombia

Zhone Technologies do Brasil LTDA

Brazil

Zhone Technologies GmbH

Germany

Zhone Technologies, Inc.

Canada

Zhone Technologies International, Inc.

Delaware

Zhone Technologies Limited

Hong Kong

Zhone Technologies Ltd.

United Kingdom

Zhone Technologies Pte. Ltd.

Singapore

Zhone Technologies S. de R.L. de C.V.

Mexico

Zhone Technologies S.R.L.

Italy

ZTI Merger Subsidiary III, Inc.

Delaware

Zhone Technologies, SA (PTY) LTD

South Africa