Exhibit 21.1

Vonage Holdings Corp.

List of Subsidiaries

Name	Jurisdiction of Incorporation
Vonage America LLC	Delaware
Vonage Apps. Ltd.	Israel
Vonage A/S	Denmark
Vonage Australia Pty Limited	Australia
Vonage Business Communications Private Limited	India
Vonage Brasil Tecnologia Ltda.	Brazil
Vonage Business Inc.	Delaware
Vonage Business Limited.	England & Wales
Vonage Business Mexico, S. de R.L, de C.V.	Mexico
Vonage B.V.	The Netherlands
Vonage Canada Corp.	British Columbia, Canada
Vonage Foundation Corp.	Delaware (Non-Profit)
Vonage France SARL	France
Vonage India Private Limited	India
Vonage Japan G.K.	Japan
Vonage Korea LLC	Korea
Vonage Limited	United Kingdom
Vonage Malaysia Sdn. Bhb.	Malaysia
Vonage Norway AS	Norway
Vonage NVM Holding Ltd.	England & Wales
Vonage Worldwide Inc.	Delaware
Nexmo Asia Pacific Limited	Hong Kong
Nexmo Inc.	Delaware
Nexmo Limited	England & Wales
Nexmo Pte. Ltd.	Singapore
Nexmo Software Services (Shenzhen) Company Ltd.	China
Nexmo Software Services (Shenzhen) Company Ltd., Beijing Branch	China
Nexmo Sweden AB	Sweden
Nexmo World Services Limited	England & Wales
Nexmo World Services Ltd., Sucurasal en Espana	Spain
PT Nexmo International Indonesia	Indonesia
NewVoiceMedia Asia Pacific Ltd.	Hong Kong
NewVoiceMedia Euro Holdings S.a.r.l.	Luxembourg
NewVoiceMedia Germany GmbH	Germany
NewVoiceMedia Pty Ltd.	Australia
NewVoiceMedia Sp. Z.o.o.	Poland