EXHIBIT 21.1

SUBSIDIARIES OF SYNOPSYS, INC.

Name |  | Jurisdiction of Incorporation
Abigail (UK) Ltd. |  | United Kingdom
Alarity Corporation |  | Delaware
Alarity SPb |  | Russia
ARC Cores Ltd. |  | United Kingdom
ARC International (UK) Ltd. |  | United Kingdom
ARC International Cambridge Ltd. |  | United Kingdom
ARC International I.P., Inc |  | Delaware
ARC International Intellectual Property, Inc |  | California
ARC International Israel |  | Israel
ARC International Limited |  | United Kingdom
ARC International Nashua, Inc |  | New Hampshire
ARC International Nova Scotia |  | Canada
ARC International Nova Scotia Holdings Ltd. |  | Canada
ARC International Overseas Holdings Ltd. |  | United Kingdom
ARC International Software Stacks |  | Canada
ARC International U.S. Holdings, Inc. |  | Delaware
ArchPro Design Automation (India) Pvt. Ltd. |  | India
ArchPro Design Automation, Inc. |  | Delaware
Atlantic Acqco, LDA |  | Portugal
Avant! LLC |  | Delaware
Chipidea Microelectronica, Limitada |  | Macau
Chipidea Microelectronics Co. Ltd. |  | China
Chipidea Semiconductors N.V.(in liquidation) |  | Belgium
CoWare India Pty Ltd |  | India
CoWare LLC |  | Delaware
CoWare Strategic Corporation |  | Delaware
Extreme DA LLC |  | Delaware
Extreme Design Automation Software (India) Private Limited |  | India
Gemini Design Technology LLC |  | Delaware
HPL International, Ltd. |  | Cayman Islands
HPL Technologies Private Ltd. |  | India
In Chip Systems, Inc. |  | California
Ingot Systems, Inc. |  | California
Ingot Systems Private Limited |  | India
LisaTek, Inc. |  | Delaware
Maude Avenue Land Corporation |  | Delaware
Nassda Corporation |  | Delaware
Nassda International Corporation |  | California
Nihon Synopsys G.K. |  | Japan
Optical Research Associates LLC |  | California
S.N.P.S. Israel Limited |  | Israel
Sandwork Design, Inc. |  | California
SNPS Belgium NV |  | Belgium
SNPS Portugal Lda |  | Portugal
Sonic Focus Inc. |  | California
Synopsys (Beijing) Company Limited |  | China
Synopsys (India) EDA Software Private Limited |  | India
Synopsys (India) Private Limited |  | India

Name |  | Jurisdiction of Incorporation
Synopsys (Northern Europe) Limited |  | United Kingdom
Synopsys (Shanghai) Co., Ltd. |  | China
Synopsys (Singapore) Pte. Limited |  | Singapore
Synopsys Arastirma Gelistirme Limited Sirketi |  | Turkey
Synopsys Armenia CJSC |  | Armenia
Synopsys Australia Pty Limited |  | Australia
Synopsys Canada Holdings ULC |  | Canada
Synopsys Canada ULC |  | Canada
Synopsys Chile Limitada |  | Chile
Synopsys China Holdings, Ltd. |  | Bermuda
Synopsys Denmark ApS |  | Denmark
Synopsys Finland OY |  | Finland
Synopsys Global Kft. |  | Hungary
Synopsys GmbH |  | Germany
Synopsys Hardware Platforms Group AB |  | Sweden
Synopsys International Holdings Inc. |  | Delaware
Synopsys International Inc. (FSC) |  | Barbados
Synopsys International Limited |  | Ireland
Synopsys International Old Limited |  | Ireland
Synopsys International Services, Inc. |  | Delaware
Synopsys Ireland Limited |  | Ireland
Synopsys Italia S.r.l. |  | Italy
Synopsys Korea, Inc. |  | Korea
Synopsys Ltd. |  | Russia
Synopsys Netherlands BV |  | Netherlands
Synopsys Poland Sp.z.o.o. |  | Poland
Synopsys SARL |  | France
Synopsys Scandinavia AB |  | Sweden
Synopsys Switzerland LLC |  | Switzerland
Synopsys Taiwan Limited |  | Taiwan
Synopsys Technologies Holding LLC |  | Delaware
Synplicity International, Inc. |  | California
Synplicity Israel, Ltd |  | Israel
Synplicity LLC |  | California
TeraRoute LLC |  | Arizona
VaST Systems Technology International LLC |  | Delaware
VaST Systems Technology LLC |  | Delaware
Virage Logic International |  | California
Virage Logic International Limited |  | Israel
Virage Logic LLC |  | Delaware
VL BV |  | The Netherlands
VL CV |  | The Netherlands
ZeroSoft LLC |  | Delaware