日本の AS (自律システム) 一覧

日本 (JP) に割り当てられた AS 番号を、各 AS に結び付いている IPv4 アドレスの数の多い順に並べています。組織名は登録されている英語表記のままです。

データの時点: 2026-10-12

順位AS 番号組織名IPv4 アドレス数
601 AS138352 Fractal Co., Ltd.
162.4.26.0/23		 512
602 AS139255 U-NEXT Co.,Ltd.
103.140.112.0/23		 512
603 AS141461 Reconciled Awareness Network
160.236.116.0/23		 512
604 AS142052 Mempool Space K.K.
103.165.192.0/23		 512
605 AS146974 Woven by Toyota, Inc.
103.175.110.0/23		 512
606 AS146981 Nekojarashi Inc.
103.189.188.0/23		 512
607 AS146985 KISSEI COMTEC Co.,Ltd
103.144.248.0/23		 512
608 AS147035 Ching Kuo
103.122.116.0/23		 512
609 AS150356 GMO BRAND SECURITY Inc.
103.42.130.0/23		 512
610 AS151350 NIPPON COMMUNICATIONS INC.
103.209.74.0/23		 512
611 AS151371 PAINA Information Development
103.225.252.0/23		 512
612 AS151383 EZSVS Japan Co., Ltd.
157.20.52.0/23		 512
613 AS151385 Japanet Holdings Co.,Ltd.
157.66.22.0/23		 512
614 AS151390 RUTILEA, Inc.
157.66.254.0/23		 512
615 AS152865 Tokyo University of Technology Linux Club
160.187.26.0/23		 512
616 AS152872 VirtualLink Networks
165.99.146.0/23		 512
617 AS152873 Neodyland
43.229.16.0/23		 512
618 AS152876 Comota Co., Ltd.
144.79.120.0/23		 512
619 AS152877 Nintendo Co., Ltd
151.158.220.0/23		 512
620 AS4690 WIDE Project
202.0.73.0/24		 256
621 AS5111 Aibo Link Co., Ltd.
80.47.95.0/24		 256
622 AS9434 Internet Initiative Japan, Inc.
147.28.11.0/24		 256
623 AS9609 BBIX, Inc.
61.245.110.0/24		 256
624 AS9935 AGNS Customer AS
193.149.194.0/24		 256
625 AS17905 Commerzbank AG
193.108.157.0/24		 256
626 AS18069 SoftBank Corp.
133.217.192.0/24		 256
627 AS18131 NTT DOCOMO BUSINESS, Inc.
192.47.166.0/24		 256
628 AS23634 WIDE Project
192.50.43.0/24		 256
629 AS23642 OBIS
202.4.250.0/24		 256
630 AS23761 Xpedite Systems
202.41.134.0/24		 256
631 AS23774 Japan Registry Service Co., Ltd.
203.119.1.0/24		 256
632 AS23833 Marusan Securities Co., LTD.
202.61.1.0/24		 256
633 AS24252 Japan Registry Service Co., Ltd.
203.119.40.0/24		 256
634 AS24287 National Institute of Informatics
192.50.12.0/24		 256
635 AS37905 Brastel Co.,Ltd
202.173.5.0/24		 256
636 AS37906 GMO NetIRD, Inc.
202.254.128.0/24		 256
637 AS38215 Syuhei Uda
103.164.236.0/24		 256
638 AS38629 NTT DOCOMO BUSINESS, Inc
202.245.31.0/24		 256
639 AS38644 INTERNET MULTIFEED CO.
115.69.238.0/24		 256
640 AS38647 NEI's NetLab
160.25.216.0/24		 256
641 AS38649 The University of Electro-Communications
192.50.27.0/24		 256
642 AS45217 Tora Trading Services Ltd.
67.200.58.0/24		 256
643 AS45674 BIGLOBE Inc.
192.47.117.0/24		 256
644 AS45678 ABN AMRO Clearing Tokyo Co., Ltd.
202.58.234.0/24		 256
645 AS55373 Foundation for Biomedical Research and Innovation at Kobe
202.70.140.0/24		 256
646 AS55890 Suntory Business Systems Ltd.
202.253.247.0/24		 256
647 AS55895 N.S.Computer Service Co.,Ltd.
117.102.169.0/24		 256
648 AS55901 Sony Computer Entertainment Inc
103.123.139.0/24		 256
649 AS55909 National Institute of Technology, Kochi College
103.12.158.0/24		 256
650 AS55949 Technopro Holdings
202.94.86.0/24		 256
651 AS58649 GMO Internet, Inc.
118.27.94.0/24		 256
652 AS58651 GMO Internet, Inc.
150.95.14.0/24		 256
653 AS58790 SERVER-G Group
44.30.62.0/24		 256
654 AS59106 Cyber and Internet Association
203.178.12.0/24		 256
655 AS59111 Akita International University
103.52.132.0/24		 256
656 AS59115 CYBERDYNE Inc.
103.61.151.0/24		 256
657 AS59124 KYOTO Prefectural Government
202.34.14.0/24		 256
658 AS59128 Kyoto University Microcomputer Club
192.50.220.0/24		 256
659 AS63780 dual&Co. Inc.
103.139.106.0/24		 256
660 AS63795 RoutelNet
103.187.126.0/24		 256
661 AS63800 SERVER-G Group
103.131.151.0/24		 256
662 AS131079 INTERNET MULTIFEED CO.
115.69.239.0/24		 256
663 AS131156 LAC Co., Ltd.
103.189.185.0/24		 256
664 AS131894 UNIADEX, LTD.
223.223.166.0/24		 256
665 AS131895 Okinawa Institute of science and technology
103.226.54.0/24		 256
666 AS131903 Nomura Research Institute,Ltd.
103.59.89.0/24		 256
667 AS131913 JPNIC-4Byte-ASBLOCK-AP
163.227.4.0/24		 256
668 AS131924 Kansai Airports
103.102.3.0/24		 256
669 AS131948 FORNEXT Inc.
103.177.117.0/24		 256
670 AS131951 Suzuyo Shinwart Corporation
133.88.31.0/24		 256
671 AS131964 FAMILYNET JAPAN CORPORATION
160.237.191.0/24		 256
672 AS131976 INTERNET MULTIFEED CO.
218.100.45.0/24		 256
673 AS131984 JOCDN Inc.
103.162.255.0/24		 256
674 AS131989 PFU LIMITED
202.216.170.0/24		 256
675 AS132119 TECPRESSO Inc.
163.61.104.0/24		 256
676 AS132211 FX Corporate LLC
103.7.92.0/24		 256
677 AS132610 Japan Network Information Center
162.4.238.0/24		 256
678 AS133180 Starbow Ltd.
14.137.228.0/24		 256
679 AS133405 RETN Co., Ltd.
163.128.219.0/24		 256
680 AS133780 Quantum Mesh Co.,Ltd.
144.79.51.0/24		 256
681 AS134827 EY Japan Co., Ltd.
103.27.254.0/24		 256
682 AS135372 Columbia Sportswear Japan Inc
203.142.10.0/24		 256
683 AS137008 1120 Shimokuzawa Chuo-ku Sagamihara-shi Kanagawa-ken
202.53.152.0/24		 256
684 AS138652 Super Godzilla Communications GK
103.135.244.0/24		 256
685 AS139472 Catalina Marketing Japan K.K.
198.204.78.0/24		 256
686 AS140501 Itiviti Japan K.K.
103.150.2.0/24		 256
687 AS141694 Ermis Ltd.
160.222.193.0/24		 256
688 AS146972 TOYO Engineering Corporation
103.175.36.0/24		 256
689 AS146980 Tokyo Metropolitan College of Industrial Technology Infomation System Engineering Course
103.184.10.0/24		 256
690 AS146982 Shinnyo-en
103.190.111.0/24		 256
691 AS146984 INTERNET MULTIFEED CO.
115.69.236.0/24		 256
692 AS146986 SUZUYO SHINWART CORPORATION
133.88.28.0/24		 256
693 AS150357 University of Nagasaki
103.13.27.0/24		 256
694 AS150368 SERVER-G Group
103.131.150.0/24		 256
695 AS150685 Ching Kuo
103.55.240.0/24		 256
696 AS151376 Solare Hotels and Resorts Co., Ltd.
180.94.1.0/24		 256
697 AS151377 Solare Hotels and Resorts Co., Ltd.
180.94.6.0/24		 256
698 AS151378 Credit SAISON Co., Ltd.
210.87.98.0/24		 256
699 AS151379 OPTAGE Inc.
36.50.252.0/24		 256
700 AS152184 Tamukai Network
140.235.121.0/24		 256

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