| 順位 | AS 番号 | 組織名 | IPv4 アドレス数 |
|---|---|---|---|
| 301 | AS131926 | Cable Television Saiki Co. , Ltd. | 10,240 |
| 302 | AS131933 | TAMA Television Co., Ltd | 10,240 |
| 303 | AS17689 | Hokuden Information Technology,Inc. | 9,728 |
| 304 | AS151375 | HimawariTV.Corporation | 9,728 |
| 305 | AS63784 | Digital Agency | 9,472 |
| 306 | AS7664 | HARENET INC. | 9,216 |
| 307 | AS23775 | Tamashima TV Inc. | 9,216 |
| 308 | AS24296 | LY Corporation | 9,216 |
| 309 | AS37922 | Diversitymedia Co.,Ltd. | 9,216 |
| 310 | AS45677 | Isahaya Cable Media Co.,Ltd | 9,216 |
| 311 | AS63798 | Industrial Cyber Security Center of Excellence | 9,216 |
| 312 | AS131911 | HONJYO CABLE VISION CO., LTD. | 9,216 |
| 313 | AS173 | Nippon Telegraph and Telephone Corporation | 8,704 |
| 314 | AS17940 | CYBER LINKS Co.,Ltd. | 8,704 |
| 315 | AS37908 | KIBI Cable Television Co.,Ltd. | 8,704 |
| 316 | AS45687 | Minamikyusyu CableTV Net Inc. | 8,704 |
| 317 | AS55899 | irob Ltd. | 8,704 |
| 318 | AS131970 | Hikarinet Inc. | 8,704 |
| 319 | AS151387 | OMURA CABLE TELEVISION K.K. | 8,704 |
| 320 | AS45691 | DODO K.K. | 8,448 |
| 321 | AS7665 | Okayama Prefectural Government | 8,192 |
| 322 | AS7678 | Prox System Design Inc. | 8,192 |
| 323 | AS7686 | JCOM Co., Ltd. | 8,192 |
| 324 | AS9358 | OPTAGE Inc. 210.141.128.0/19 |
8,192 |
| 325 | AS17518 | Shiojiri City 203.141.192.0/19 |
8,192 |
| 326 | AS17678 | Gunma Internet Co,.ltd | 8,192 |
| 327 | AS17694 | Deutsche Bank Group, Japan BGP connection 160.83.128.0/19 |
8,192 |
| 328 | AS23619 | SMARTVALUE Co.,Ltd. | 8,192 |
| 329 | AS23817 | Fujitsu Limited. | 8,192 |
| 330 | AS23822 | HAGI Television Co., Ltd. | 8,192 |
| 331 | AS24336 | DIGITALBANK, Inc., Regional ISP in Japan 202.143.224.0/19 |
8,192 |
| 332 | AS45689 | Convivial Net 202.222.160.0/19 |
8,192 |
| 333 | AS59091 | Kanagawa Institute of Technology 163.138.192.0/19 |
8,192 |
| 334 | AS59096 | Meiji Gakuin University 202.13.128.0/19 |
8,192 |
| 335 | AS59102 | GENES Co., Ltd. | 8,192 |
| 336 | AS63770 | Industrial Cyber Security Center of Excellence | 8,192 |
| 337 | AS17977 | NF Park Bldg.3F, 9-15, Futaba 2-Chome | 7,680 |
| 338 | AS23827 | Azumino Network Community TV | 7,680 |
| 339 | AS131960 | MBO holdings Inc. | 7,680 |
| 340 | AS17693 | YAMATO SYSTEM DEVELOPMENT CO., LTD. | 7,168 |
| 341 | AS17948 | EditNet, Incorporated | 7,168 |
| 342 | AS17505 | SoftBank Corp. | 6,656 |
| 343 | AS38638 | Ip Core Corporation | 6,656 |
| 344 | AS55376 | KCV Communications Co. Ltd. | 6,656 |
| 345 | AS10015 | Cyber Wave Japan Co., Ltd. | 6,400 |
| 346 | AS63772 | extride inc. | 6,400 |
| 347 | AS138968 | rainbow network limited | 6,400 |
| 348 | AS142622 | Dream Information Laboratory | 6,400 |
| 349 | AS146969 | SoftBank Corp. | 6,400 |
| 350 | AS17509 | STARNET Co.,Ltd. | 6,144 |
| 351 | AS17680 | SCSK Corporation | 6,144 |
| 352 | AS18088 | Kyuden Infocom Company Inc | 6,144 |
| 353 | AS18264 | Seikei Eizo Network Inc. | 6,144 |
| 354 | AS18266 | Cable Networks Akita Co.,ltd. | 6,144 |
| 355 | AS23613 | New Media Tokushima Co.,ltd. | 6,144 |
| 356 | AS23631 | Sofu System, Inc | 6,144 |
| 357 | AS23639 | NTT Bizlink, Inc. | 6,144 |
| 358 | AS23641 | NS Computer Service Corporation | 6,144 |
| 359 | AS23776 | NEC Corporation | 6,144 |
| 360 | AS58788 | Chiroro-Net Co.,Ltd. | 6,144 |
| 361 | AS59094 | esu2 Corporation | 6,144 |
| 362 | AS131896 | SSI Lab Inc. | 6,144 |
| 363 | AS131949 | General Incorporated Foundation Aso Telework Center | 6,144 |
| 364 | AS131954 | Kawaguchiko cable television Inc | 6,144 |
| 365 | AS137445 | PF LINK SYSTEMS | 5,888 |
| 366 | AS139076 | EnjoyVC Japan Corporation | 5,888 |
| 367 | AS24284 | CyberAgent, Inc. | 5,632 |
| 368 | AS131893 | RICOH Company, Ltd. | 5,632 |
| 369 | AS139468 | DC Communications Inc. | 5,632 |
| 370 | AS17937 | NIKKEI ADVANCED SYSTEMS INC. | 5,376 |
| 371 | AS9353 | MEDIAWARS co.,ltd. | 5,120 |
| 372 | AS24270 | CRC Solutions Corp., | 5,120 |
| 373 | AS37907 | DigiRock, Inc. | 5,120 |
| 374 | AS37916 | A.T.WORKS, Inc. | 5,120 |
| 375 | AS38651 | MIXI, Inc. | 5,120 |
| 376 | AS7521 | INTERNET MULTIFEED CO. | 4,864 |
| 377 | AS23614 | Kochi Systems Co., Ltd. | 4,864 |
| 378 | AS37897 | AXEL ENTERMEDIA, INC. | 4,608 |
| 379 | AS59116 | AIG Technologies KK | 4,608 |
| 380 | AS59118 | NRI SecureTechnologies, Ltd. | 4,608 |
| 381 | AS37914 | Advanced Software Technology and Management Research Institute of KYOTO | 4,352 |
| 382 | AS55897 | SAKURA Internet Inc. | 4,352 |
| 383 | AS55912 | University of Kochi | 4,352 |
| 384 | AS9990 | Nippon Information and Communication Corporation 211.125.224.0/20 |
4,096 |
| 385 | AS10016 | Minaminihon Information Processing Center Co Ltd 61.205.64.0/20 |
4,096 |
| 386 | AS17685 | SQUARE ENIX CO., LTD. 61.195.48.0/20 |
4,096 |
| 387 | AS17699 | ARTERIA Networks Corporation 218.40.32.0/20 |
4,096 |
| 388 | AS18074 | FRT Inc. 210.175.224.0/20 |
4,096 |
| 389 | AS18140 | LY Corporation 104.145.16.0/20 |
4,096 |
| 390 | AS18141 | HBA 219.109.32.0/20 |
4,096 |
| 391 | AS18143 | Mitsubishi Research Institute DCS Co.,Ltd. 202.254.32.0/20 |
4,096 |
| 392 | AS18259 | NTT DOCOMO BUSINESS, Inc 202.178.96.0/20 |
4,096 |
| 393 | AS18263 | MEITETSUCOM Co., Ltd. 219.113.32.0/20 |
4,096 |
| 394 | AS23773 | EKZM co.,ltd. 210.233.80.0/20 |
4,096 |
| 395 | AS23795 | Fitec Corp. | 4,096 |
| 396 | AS23798 | VR Techno Center,inc 202.69.112.0/20 |
4,096 |
| 397 | AS23824 | Future Spirits Co.,Ltd. 219.99.160.0/20 |
4,096 |
| 398 | AS23836 | RELATION Co., Ltd. | 4,096 |
| 399 | AS24264 | Kanazawa Institute of Technology 202.13.160.0/20 |
4,096 |
| 400 | AS24477 | NetApp, Inc. 202.3.112.0/20 |
4,096 |
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: 2026-10-19
This product includes GeoLite2 data created by MaxMind, available from https://www.maxmind.com.