Autonomous Systems in Japan: Organizations Starting with D

Organization names are shown as registered. Names that start with a digit or a symbol are listed at the end.

Data as of: 2026-10-12

• AS18097 D.C.N. Corporation
• AS7677 Dai Nippon Printing Co., Ltd
• AS23826 Daido University
• AS139468 DC Communications Inc.
• AS131077 Deloitte Tohmatsu Group LLC
• AS38636 DeNA, Co. Ltd.
• AS17955 Densan Co., Ltd.
• AS17694 Deutsche Bank Group, Japan BGP connection
• AS37907 DigiRock, Inc.
• AS63784 Digital Agency
• AS55385 Digital Alliance Co.,Ltd.
• AS24336 DIGITALBANK, Inc., Regional ISP in Japan
• AS37898 digitiminimi, inc.
• AS131900 Directorz Co.,Ltd.
• AS37922 Diversitymedia Co.,Ltd.
• AS23620 DMM.com LLC
• AS45691 DODO K.K.
• AS63801 DODO K.K.
• AS131961 Dokkyo University
• AS4723 Dolphin
• AS63791 doornoc
• AS18267 Doshisha University
• AS45680 DOVA Corporation
• AS63804 DOVA Corporation
• AS142622 Dream Information Laboratory
• AS18068 Dream Wave Shizuoka Co. Ltd.
• AS63773 dual&Co. Inc.
• AS63780 dual&Co. Inc.
• AS58789 DUNAMIS Co.,Ltd
• AS38634 DWANGO Co.,Ltd.