Exhibit 21.1

SUBSIDIARIES OF THE REGISTRANT

AKAMAI TECHNOLOGIES LTD. -- Incorporated in the United Kingdom

AKAMAI TECHNOLOGIES GMBH -- Incorporated in Germany

AKAMAI TECHNOLOGIES SARL -- Incorporated in France

AKAMAI TECHNOLOGIES NETHERLANDS BV - Incorporated in the Netherlands

AKAMAI INTERNATIONAL BV - Incorporated in the Netherlands

AKAMAI TECHNOLOGIES SECURITIES CORPORATION -- Incorporated in Massachusetts

K STREAMING LLC - Organized in Delaware

AKAMAI SALES LLC - Organized in Delaware

AKAMAI JAPAN G.K. - Incorporated in Japan

AKAMAI TECHNOLOGIES INDIA PRIVATE LTD. - Incorporated in India

AKAMAI TECHNOLOGIES SPAIN SL - Incorporated in Spain

AKAMAI TECHNOLOGIES SINGAPORE PVT. LTD. - Incorporated in Singapore

AJ TECHNOLOGIES LTD - Incorporated in the Cayman Islands

AKAMAI (BEIJING) TECHNOLOGIES, CO. LTD. - Incorporated in the People's Republic of China

AKAMAI TECHNOLOGIES AB - Incorporated in Sweden

AKAMAI TECHNOLOGIES SOLUTIONS (INDIA) PRIVATE LTD. - Incorporated in India

AKAMAI TECHNOLOGIES YUHAN HOESA - Incorporated in South Korea

AKAMAI TECHNOLOGIES S.R.I. - Incorporated in Italy

AKAMAI TECHNOLOGIES INTERNATIONAL AG - Incorporated in Switzerland

AKAMAI TECHNOLOGIES HONG KONG LIMITED - Incorporated in Hong Kong

AKAMAI TECHNOLOGIES POLAND SP. Z.O.O. - Incorporated in Poland

AKAMAI TECHNOLOGIES S.R.O. - Incorporated in the Czech Republic

AKAMAI TECHNOLOGIES E SERVICOS DO BRASIL LTDA. - Incorporated in Brazil

AKAMAI TECHNOLOGIES APJ PTE LTD. - Incorporated in Singapore

FASTSOFT, INC. - Incorporate in Delaware

AKAMAI TECHNOLOGIES ISRAEL LIMITED - Incorporated in Israel

AKAMAI TECHNOLOGIES CANADA - Incorporated in Canada

AKAMAI TECHNOLOGIES COSTA RICA SRL - Incorporated in Costa Rica

VERIVUE, INC. - Incorporated in Delaware

AKAMAI NETWORKS B.V. - Incorporated in the Netherlands

AKAMAI TECHNOLOGIES LIMITED - Incorporated in Taiwan