Exhibit 21.1
SEATTLE SPINCO, INC.
Subsidiaries
| Name | Jurisdiction of Organization |
| ArcSight, LLC | United States |
| Autonomy Australia Pty Limited | Australia |
| Autonomy Belgium BVBA | Belgium |
| Autonomy Digital Limited | United Kingdom |
| Autonomy HoldCo BV | Netherlands |
| Autonomy Italy Srl | Italy |
| Autonomy Netherlands BV | Netherlands |
| Autonomy Software Asia Private Limited | India |
| Autonomy Systems (Beijing) Limited Company | China |
| Autonomy Systems (Canada) Ltd. | Canada |
| Autonomy Systems Australia Pty Limited | Australia |
| Autonomy Systems Limited | United Kingdom |
| Autonomy Systems Singapore Pte Ltd | Singapore |
| Autonomy Systems Software South Africa | South Africa |
| Entco Andromeda LLC | United States |
| Entco Australia Pty Ltd | Australia |
| Entco Belgium BVBA | Belgium |
| Entco Bellatrix Holdco | Cayman Islands |
| Entco Brasil Servicos de Tecnologia Ltda. | Brazil |
| Entco Brazil Holdings LLC | United States |
| Entco Bulgaria EOOD | Bulgaria |
| Entco Capital Co | Cayman Islands |
| Entco Caribe B.V. | Netherlands |
| Entco Caribe B.V. LLC (Branch) | Puerto Rico |
| Entco CentroAmerica CAC, Ltda. | Costa Rica |
| Entco Costa Rica Ltda. | Costa Rica |
| Entco Delaware LLC | United States |
| Entco Denmark ApS | Denmark |
| Entco Deutschland GmbH | Germany |
| Entco Draco BV | Netherlands |
| Entco Eastern Holding B.V. | Netherlands |
| Entco Eastern Holding II B.V. | Netherlands |
| Entco Enterprise B.V. | Netherlands |
| Entco Enterprise B.V., Amstelveen, Meyrin Branch | Switzerland |
| Entco Field Delivery Spain S.L.U. | Spain |
| Entco Foreign HoldCo Ltd. | United Kingdom |
| Entco France SAS | France |
| Entco Gatriam Holding B.V. | Netherlands |
| Entco Government Software LLC | United States |
| EntCo HoldCo BV | Netherlands |
| Entco HoldCo I B.V. | Netherlands |
| Entco HoldCo II B.V. | Netherlands |
| Entco HoldCo III B.V. | Netherlands |
| Entco HoldCo IV B.V. | Netherlands |
| Entco Holding Berlin B.V. | Netherlands |
| Entco Holding Finance B.V. | Netherlands |
| Entco Holding Hague B.V. | Netherlands |
| Entco Holding Hague II BV | Netherlands |
| Entco Holdings L.P. | Bermuda |
| Entco Holdings, Inc. | United States |
| Entco Interactive (Israel) Ltd | Israel |
| Entco International Sàrl | Switzerland |
| Entco International Sarl, Jebel Ali Free Zone Branch | United Arab Emirates |
| Entco International Sarl, Abu Dhabi Branch | United Arab Emirates |
| Entco International Trade, B.V. | Netherlands |
| Entco Investment Co | Cayman Islands |
| Entco IT Services Private Limited | India |
| Entco Italiana S.r.l. | Italy |
| Entco Japan, Ltd. | Japan |
| Entco Luxembourg S.a.r.l. | Luxembourg |
| Entco Marigalante Ltd. | Cayman Islands |
| Entco Mexico, S. de R.L. de C.V. | Mexico |
| Entco MS, Inc. | United States |
| Entco Nederland B.V. | Netherlands |
| Entco Polska sp. z o.o. | Poland |
| Entco Puerto Rico B.V. | Netherlands |
| Entco Puerto Rico B.V. LLC (Branch) | Puerto Rico |
| Entco Schweiz GmbH | Switzerland |
| Entco Singapore (Sales) Pte. Ltd. | Singapore |
| Entco Sinope Holding B.V. | Netherlands |
| Entco Situla Holding Ltd | United Kingdom |
| Entco Software Canada Co. Logiciels Entco Canada Cie | Canada |
| Entco Software India Pvt Ltd | India |
| Entco Software Malaysia Sdn. Bhd. | Malaysia |
| Entco Software México, S. de R.L. de C.V. | Mexico |
| Entco Software Pte. Ltd. | Singapore |
| Entco Software Romania SRL | Romania |
| Entco Software Services Middle East, FZ LLC | United Arab Emirates |
| EntCo Software Spain S.L.U. | Spain |
| Entco Sverige AB | Sweden |
| Entco Technologies, Inc. | United States |
Entco Turkey Teknoloji Çözümleri Limited Şirketi | Turkey |
| Entco, LLC | United States |
| Entcorp Canada, Inc | Canada |
| Entcorp Czechia, s.r.o. | Czech Republic |
| EntCorp Hong Kong Limited | Hong Kong |
| Entcorp Marigalante UK Ltd. | United Kingdom |
| Entcorp Nederlands B.V. | Netherlands |
| Entcorp Philippines, Inc | Philippines |
| Entcorp Software Israel Ltd. | Israel |
| Entcorp Software México, S. de R.L. de C.V. | Mexico |
| Entcorp UK Ltd. | United Kingdom |
| Enterprise Corp Italiana S.r.l. | Italy |
| EntIT Software LLC | United States |
| Entsoft Galway Limited | Ireland |
| Entsoft Holding Ireland Unlimited Company | Ireland |
| Entsoft Ireland Limited | Ireland |
| Interwoven Australia Pty Limited | Australia |
| Interwoven Inc. - India Branch | India |
| Interwoven UK Ltd. | United Kingdom |
| Interwoven, Inc., Taiwan Branch | Taiwan |
| Entcorp Japan KK | Japan |
| Limited Liability Company Entco | Russian Federation |
| Longsand Limited | United Kingdom |
| Mercury Interactive (Singapore) Pte. Ltd. | Singapore |
| Meridio Limited | United Kingdom |
| MicroLink LLC | United States |
| Peregrine Systems do Brazil Limitada | Brazil |
| Seattle Escrow Borrower LLC | United States |
| Shanghai Entco Software Technology Co., Ltd. | China |
| Shanghai Entco Software Technology Co., Ltd., Beijing Branch | China |
| Shanghai Entco Software Technology Co., Ltd., Chongqing Branch | China |
| Shanghai Entco Software Technology Co., Ltd., Shenzhen Branch | China |
| Stratify, Inc. | United States |
| Trilead GmbH | Switzerland |
| Verity Benelux B.V. | Netherlands |
| Verity GB Limited | United Kingdom |
| Verity Italia S.r.l. | Italy |
| Verity Luxembourg S.à r.l. | Luxembourg |
| Verity Worldwide Ltd | British Virgin Islands |
| Vertica Systems LLC | United States |
| Voltage Security International, Inc. | United States |
| Voltage Security Limited | United Kingdom |
| Zantaz UK Limited | United Kingdom |