EX-21.1 9 rbbn-ex21120171231.htm EXHIBIT 21.1 Exhibit
EXHIBIT 21.1

RIBBON COMMUNICATIONS INC.
SUBSIDIARIES OF THE REGISTRANT



Name
Jurisdiction of Incorporation
 
 
GENBAND US LLC
Delaware
Kandy Communications LLC
Delaware
N.E.T. APLA, Inc.
Delaware
Network Equipment Technologies, Inc.
Delaware
Quintum Technologies, LLC
Delaware
Ribbon Communications International Inc.
Delaware
Ribbon Communications Federal Inc.
Delaware
Sonus Networks, Inc. (d/b/a/ Ribbon Communications Operating Company)
Delaware
Ribbon Communications Securities Corp.
Massachusetts
GENBAND SRL
Argentina
Sonus Networks Australia Pty Ltd.
Australia
GENBAND Telecommunications (Australia) Pty Ltd
Australia
GENBAND Belgium SPRL
Belgium
GENBAND Telecommunications do Brasil Ltda
Brazil
Ribbon Communications Canada ULC
Canada
GENBAND Holdings Company
Cayman Islands
GENBAND International Holding Company
Cayman Islands
GENBAND NS Company
Cayman Islands
Sonus Networks s.r.o.
Czech Republic
Sonus Networks EURL
France
GENBAND Télécommunications (France) Sarl
France
Sonus Networks GmbH
Germany
GENBAND Telecommunications (Germany) GmbH
Germany
Sonus Networks (HK) Limited
Hong Kong
GENBAND Telecommunications (Hong Kong) Ltd
Hong Kong
Sonus Networks India Private Limited
India
Sonus Networks Trading Private Limited
India
GENBAND Telecommunications Private Limited
India
GENBAND Ireland Limited (d/b/a/ Ribbon Communications Ireland)
Ireland
GENBAND Israel Limited
Israel
GENBAND Italy SRL
Italy
Nihon Sonus Networks K.K.
Japan
GENBAND Japan GK
Japan



Sonus Networks Korea LLC
Korea
GENBAND Korea Yuban Huesa
Korea
Sonus Networks Malaysia Sdn. Bhd.
Malaysia
Westford Networks Mexico, S. de R.L. de C.V.
Mexico
GENBAND Mexico, S. de R.L. de C.V.
Mexico
GENBAND Canada B.V.
Netherlands
GENBAND Coöperatie U.A.
Netherlands
GENBAND Holdings B.V.
Netherlands
GENBAND Netherlands B.V.
Netherlands
GENBAND NS B.V.
Netherlands
GENBAND New Zealand Company
New Zealand
GENBAND RUS LLC
Russia
GENBAND Saudi Arabia Limited
Saudi Arabia
GENBAND Telecommunication and Technology (Shanghai) Co., Ltd.
Shanghai, PRC
Sonus Networks (Shanghai) Limited
Shanghai, PRC
Sonus Networks Pte. Ltd.
Singapore
GENBAND (Singapore) Telecommunications Pte. Ltd.
Singapore
Sonus Networks España, S.R.L.
Spain
GENBAND Spain, S.L.
Spain
Sonus Networks Switzerland GmbH
Switzerland
GENBAND Switzerland GmbH
Switzerland
GENBAND Taiwan Ltd Co.
Taiwan
GENBAND Telecommunications (UK) Limited
United Kingdom
Sonus Networks Ltd.
United Kingdom
N.E.T. Europe Ltd.
United Kingdom