Class C Networks - Block 203.138

203.138.0.0 - 203.138.255.255	(INFOSPHERE-CIDR-BLK-JP)	InfoSphere; JP
203.138.32.0 - 203.138.42.255	(INFOSPHERE-JP)	InfoSphere (NTT PC Communications, Inc.); Syuwa Onarimon Bldg.,; 6-1-11, Shinbashi, Minato-ku, Tokyo; JP
203.138.48.0 - 203.138.48.255	(INFOSPHERE-JP)	InfoSphere (NTT PC Communications, Inc.); Syuwa Onarimon Bldg.,; 6-1-11, Shinbashi, Minato-ku, Tokyo; JP
203.138.60.0 - 203.138.63.255	(INFOSPHERE-JP)	InfoSphere (NTT PC Communications, Inc.); Syuwa Onarimon Bldg.,; 6-1-11, Shinbashi, Minato-ku, Tokyo; JP
203.138.66.0 - 203.138.77.255	(INFOSPHERE-JP)	InfoSphere (NTT PC Communications, Inc.); Syuwa Onarimon Bldg.,; 6-1-11, Shinbashi, Minato-ku, Tokyo; JP
203.138.81.0 - 203.138.81.255	(ART-NET-JP)	ART CORPORATION; 2-485-1 Izumimachi, Daito-City, Osaka, 574 Japan; JP
203.138.82.0 - 203.138.83.255	(TSUBACO-NET-JP)	TSUBAKIMOTO KOGYO CO.,LTD.; FUKOKU-SEIMEI BLD.9F,2-4,Komatsubara-cho,Kita-ku,Osaka 530,Japan; JP
203.138.84.0 - 203.138.84.255	(SAMTECH-JP)	SAMTECH Corporation; 1000-18, Enmyo-cho, Kashiwara-city, Osaka 582, Japan; JP
203.138.85.0 - 203.138.85.255	(KREIS-JP)	Kreis Co., Ltd.; 1-1-9, Asahi-cho, Abeno-ku, Osaka 545, JAPAN; JP
203.138.86.0 - 203.138.88.255	(TSUTAYA-NET-JP)	TSUTAYA Internet Connection Service(TSUTAYA West Japan co. ,Ltd); 8F Sumitomo-seimei Bldg. ,1-4-70 Shiromi Chuo-ku Osaka-si Osaka-fu; JP
203.138.89.0 - 203.138.89.255	(KESNET-JP)	KOEKISHA Co., Ltd.; 2-6-11, Kitahama, Chuo-ku, Osaka-City 541, Japan; JP
203.138.90.0 - 203.138.90.127	(FUJIPIT-NET-JP)	Fuji Printing Co.,Ltd.; 3-2-16, Nakamichi, Higashinari-ku, Osaka-shi, Osak a 537 Japan; JP
203.138.90.128 - 203.138.90.255	(NANIWA-NET-JP)	Nippon Telegraph and Telephone Corporation Naniwa Branch; 5-8-21 Nipponbashi, Naniwa-ku, Osaka 556, Japan; JP
203.138.91.0 - 203.138.91.255	(AZ-NET-JP)	AZ SHOJI CO.,Ltd; 9F DBK Funaba Bldg.,3-1-30,Kyutaro-city,Chuo-ku,Osaka,J apan; JP
203.138.92.0 - 203.138.92.63	(IDCNAGOY-JP)	International Design Center NAGOYA Inc.; 10F, Nagoya Chamber of Commerce and Industry Building 10-19, Sakae 2-chome, Naka-ku, Nagoya 460 Japan; JP
203.138.92.128 - 203.138.92.255	(NTT-AP-JP)	NTT-AP Tokai CO.,LTD; NTT Jyoushin Bldg 3F, 1-32 Kouseidouri,; Nishi-ku, Nagoya-city 451, Japan; JP
203.138.94.0 - 203.138.95.255	(TANAKA-NET-JP)	TANAKA TEC LABO CO.,LTD; Hishimachi1-607-2,Kiryu-City,Gunma-Prif 376 Japan; JP
203.138.100.0 - 203.138.100.255	(XVI-INTERNET-JP)	XVI-INTERNET(XVI Co., Ltd.); Egi-machi 425-3, Takasaki-shi, Gunma 370, Japan; JP
203.138.104.0 - 203.138.104.255	(MTEX-NET-JP)	MTEX MATSUMURA CORPORATION; 1-7-43 Kitakunomoto, Tendou-shi, Yamagata 994, Japan; JP
203.138.105.0 - 203.138.105.255	(ZAO-NET-JP)	Big ban; 1-2-41 ishizaki kaminoyama-city yamagata pref.; JP
203.138.106.0 - 203.138.107.255	(VIVI-INET-JP)	VIVI Internet Access Services (YOSHIKI INDUSTRIAL Co.,Ltd.); 2-1-38 Matsugasaki, Yonezawa-shi, Yamagata 992, Japan; JP
203.138.111.0 - 203.138.111.255	(FUJIXEROX-JP)	Fuji Xerox Co., Ltd.; 3-1, W7, Odori, Chuo-ku, Sapporo 060, Japan; JP
203.138.112.0 - 203.138.112.63	(INGNET-JP)	ING company; Planet Bld2F, South4 West9, Chuo-ku, Sapporo 064, Japan; JP
203.138.113.0 - 203.138.113.255	(BIT-JP)	BIT(Basic Internet Theory Corporation); 2F. No.3 Tomari bldg., Higashi1-chome-1, Minami2-jo, Chuo-ku, Sapporo 060, Japan; JP
203.138.116.0 - 203.138.116.127	(SEISHODOUNET-JP)	INOUE SEISHO DOU CO.,LTD.; Sasagawa 2600 Takaoka-city, Toyama 933 Japan; JP
203.138.118.0 - 203.138.118.255	(MICNET-JP)	Mirage Information Center Co.; 4-30, Shinjuku, Uozu-shi, Toyama 937, Japan; JP
203.138.120.0 - 203.138.120.255	(TOHOKU-NNET-JP)	NNET InternetService; N BLDG.3F 1-12-23 Minami-odori Morioka Iwate; JP
203.138.121.0 - 203.138.121.255	(DOCOMONET-JP)	NTT Tohoku Mobile Communications Network Inc.; 2-8-10 Ichibancho, Aoba-ku, Sendai-shi, Miyagi 980, Japan; JP
203.138.122.0 - 203.138.122.255	(SUNTEC-JP)	SUNTEC CO; 2F Nakamura Bldg, 4-8 Gorounai-machi, Fukushima-City, Fukushima, 960 JAPAN; JP
203.138.123.0 - 203.138.123.255	(YOSHIDA-JP)	YOSHIDA CORPORATION; 22-1 Aza kitakawata, Kamiyukiai, Tamura-machi,; JP
203.138.124.0 - 203.138.125.255	(SAFINS-JP)	Fukushima Information Service Co,.Ltd; 5-5 Kita-machi Fukushima-city Fukushima Japan; JP
203.138.128.0 - 203.138.128.255	(SHIBUYA-NET-JP)	SHIBUYA KOGYO CO., LTD.; Ko-58, Mamedahonmachi, Kanazawa-shi, Ishikawa 920, Japan; JP
203.138.130.0 - 203.138.130.255	(ISHIKAWA-NET-JP)	Ishikawa Prefecture; 2-1-1 Hirosaka, Kanazawa-shi, Ishikawa 920, Japan; JP
203.138.138.32 - 203.138.138.47	(DOCOMONET-JP)	NTT Hokuriku Mobile Communications Network Inc.; Systems Technology Department; 12-8 ohte-machi, Kanazawa-city,; Ishikawa 920 Japan; JP
203.138.138.160 - 203.138.138.175	(TATSU-NET-JP)	CO, TATSU; 70 TATSUO TOYAMACITY TOYAMA PREF; JP
203.138.140.0 - 203.138.143.255	(DMW-JP)	DMW CORPORATION; 5-1,OMORI-KITA,1-CHOME,OTA-KU,TOKYO 143 JAPAN; JP
203.138.144.0 - 203.138.144.255	(JPCA-NET-JP)	JAPAN PETROCHEMICAL INDUSTRY ASSOCIATION; 2-1-1 Uchisaiwaicho, Chiyoda-ku, Tokyo 100, Japan; JP
203.138.145.0 - 203.138.145.255	(SECWORLD-NET-JP)	SystemEngineeringCenter.Co,; 25-15, 2, Ningyouchou, Nihonbashi, Chuuou-ku,Tokyo,103,Japan; JP
203.138.147.0 - 203.138.147.255	(NTN-NET-JP)	Nippon Telecommunications Network Co., Ltd.; 12FNorth Yuurakuchoudennki Bldg., 1-7-1,Yuuraku-chou, Chiyoda-ku,Tokyo 100, Japan; JP
203.138.148.0 - 203.138.148.255	(IACHOME-NET-JP)	INTERNET ACCESS CENTER KK; YOSIDA ROPPONGI Bldg.3-2-24 ROPPONGI, MINATO-KU, Tokyo 106; JP
203.138.149.0 - 203.138.149.255	(NTT-NIC-NET-JP)	NIPPON TELEGRAPH AND TELEPHONE CORPORATION; 19-2 Nishi-Shinjuku 3-Chome Shinjuku-ku,; Tokyo 163-19 Japan; JP
203.138.150.0 - 203.138.151.255	(NTMNET-JP)	NTT TELEMARKETING,Inc.; Motomiya Bldg. 17 Kandahigashimatsushita-cho, Chiyoda-ku, Tokyo 101, Japan; JP
203.138.152.0 - 203.138.152.7	(TELWEL-NET-JP)	The Japan Telecommunications Welfare Association; Toranomon 33 Mori Bldg. 8-21 Toranomon 3-Chome, Minatoku, Tokyo 105 Japan; JP
203.138.152.8 - 203.138.152.15	(NTT-HP-HQS-JP)	Nippon Telegraph and Telephone Corporation; 3-19-2 Nishi-Shinjuku Shinjuku-ku Tokyo; JP
203.138.152.16 - 203.138.152.31	(TFCA-NET-JP)	Telecommunication Facilities Constructors Association of Japan; 3-3, Sarugaku-cho, Shibuya-ku, Tokyo 150 Japan; JP
203.138.152.32 - 203.138.152.47	(NTT-KSKY-NET-JP)	NTT Kanto Regional Communications Sector Personnel Development Dept.; 2-3-1 Otemachi, Chiyoda-ku, Tokyo 100, Japan; JP
203.138.152.48 - 203.138.152.63	(DAIWA-NET-JP)	DAIWA SECURITIES CO, LTD.; 3-5-4, Ginza, Chuo-ku, Tokyo 104 Japan; JP
203.138.152.128 - 203.138.152.255	(TTA-NET-JP)	The Telecommunications Association; Tokyo Opera City Tower 32F, 3-20-2 Nishisinjuku, Shinjuku-ku, Tokyo 163-14, Japan; JP
203.138.153.0 - 203.138.153.255	(DISNET-INET-JP)	DISNET Internet Services (D.I.S Corp.); Sendagi Win Bldg., 3-47-1 Sendagi, Bunkyo-ku, Tokyo 113, Japan; JP
203.138.154.0 - 203.138.154.255	(PHOTONNET-JP)	Photon, Inc.; Sanbancho MY bldg. 2F, 24 Sanban-cho, Chiyoda-ku, Tokyo 102, Japan; JP
203.138.155.0 - 203.138.155.255	(ADA-NET-JP)	ADAMANT KOGYO CO.,LTD; 16-7,1 Shinden, Adachi-ku, Tokyo 123, Japan; JP
203.138.156.0 - 203.138.156.255	(NTTI-NET-JP)	NTT International Corp.; Urbannet Ikebukuro Bldg.15F, Higashi-Ikebukuro 3-16-3, Toshima-ku, Tokyo 170 Japan; JP
203.138.157.0 - 203.138.157.127	(ITP-NET-JP)	Internet TownPage Service; 3-8-8 Toranomon Monato-Ku Tokyo 105-0001; JP
203.138.157.128 - 203.138.157.255	(MEDIAVALLEY-JP)	The Daiei Media Solutions Co.,Ltd.; 2-1,Ginza 6-Chome,Chuo-ku,Tokyo 105,Japan; JP
203.138.159.0 - 203.138.159.255	(NERIMA-NET-JP)	City of Nerima; 12-1, 6Toyotamakita, Nerima-ku, Tokyo 173, Japan; JP
203.138.160.0 - 203.138.160.255	(PLANETTK-NET-JP)	HAL COMMUNICATION INC.; 4-1-12, Shibuya, Shibuya-ku, Tokyo 150, Japan; JP
203.138.162.0 - 203.138.162.255	(SYNAI-NET-JP)	Metro, Inc.; Tokai Bldg, 2-4-2 Nishi-Gotanda, Shinagawa-ku, Tokyo; JP
203.138.163.0 - 203.138.163.127	(ANIANI-ARENA-JP)	ani & company Inc; 22-2,Sengoku 1-chome,Bunkyo-ku,Tokyo,112-0011; JAPAN; JP
203.138.163.128 - 203.138.163.191	(NYC-NET-JP)	National Olympics Memorial Youth Center; 3-1 Yoyogi Kamizono-cho, Shibuya-ku,Tokyo 151,Japan; JP
203.138.164.0 - 203.138.164.255	(HGS-NET-JP)	Housing Guarantee Service Co.; 3F Sekiguchi Bldg., 24-2,1Sekiguchi, bunkyo-ku, Tokyo 112, Japan; JP
203.138.165.0 - 203.138.165.255	(HANDSON-NET-JP)	HANDS ON ENTERTAINMENT INC.; 2F KRT Aoyama 2-12-5 Kitayama,Minato-ku,Tokyo,Japan; JP
203.138.166.0 - 203.138.166.31	(NTTDENPO-NET-JP)	NTT Telegraph Department; 2-3-1 Otemachi, Chiyoda-ku, Tokyo 100, Japan; JP
203.138.166.32 - 203.138.166.63	(VIAX-NET-JP)	VIAX CO.,LTD.; 2-8-15 Yayoimachi, Nakano-ku, Tokyo 164, Japan; JP
203.138.166.64 - 203.138.166.127	(SCC-NET-JP)	Smart Coller Club; 2-3-6 Otemachi, Chiyoda-ku, Tokyo 100, Japan; JP
203.138.166.128 - 203.138.166.143	(FOR-A-JP)	FOR-A COMPANY LIMITED; 4-11-21, Minami-Azabu, Minatoku, Tokyo 106 Japan; JP
203.138.166.144 - 203.138.166.159	(NYC-JP)	National Olympics Memorial Youth Center; 3-1 Yoyogi Kamizono-cho, Shibuya-ku,; JP
203.138.166.160 - 203.138.166.191	(CITI-JP)	Chemicals Inspection & Testing Institute Japan; 5-6-21 Kameido, Koto-ku, Tokyo 136, Japan; JP
203.138.166.224 - 203.138.166.239	(NTT-TSUKEN-JP)	NIPPON TELEGRAPH AND TELEPHONE CORPORATION; 3-9-11 Midori-cho, Musashino-city, Tokyo 180, Japan; JP
203.138.166.240 - 203.138.166.255	(LEICA-NET-JP)	Leica K.K.; Sarugakucho Bldg, 2-8-8 Sarugaku-cho, Chiyoda-ku,Tokyo 101, Japan; JP
203.138.167.0 - 203.138.167.255	(DOCOMO-E-JP)	DoCoMo Engineering Inc.; 25-5,Toranomon 1-Chome Minatoku,Tokyo 105 Japan; JP
203.138.168.0 - 203.138.174.255	(NSKNET-JP)	Nihonkai-Net, Ltd.; Kohrinbo 2-5-1,Kanazawa,Ishikawa 920,Japan; JP
203.138.176.0 - 203.138.176.127	(WINGZ-JP)	WINGZ Office coordinate Inc.; 19-8, Sinkocho, Niigata city, Niigata 950, Japan; JP
203.138.176.128 - 203.138.176.255	(ADO-DENSHI-JP)	ADO ELECTRONIC INDUSTRIAL CO., LTD.; 2-18-10, Soto-kanda, Chiyoda-ku, Tokyo 101, Japan; JP
203.138.180.0 - 203.138.180.255	(PLA-NET-JP)	PLA-NET.CO.LTD; 3-3 Higashi-sakura 1-Chome Higashi-ku 461 Nagoya Japan; JP
203.138.181.0 - 203.138.181.255	(NTT-CT-JP)	NTT Cyub Telecon Corporation; 2-8-25 Sakae Naka-ku Nagoya Aichi 460 japan; JP
203.138.183.0 - 203.138.183.63	(YOURS-NET-JP)	YOURS CO.,LTD.; 4-11, Minami-Horikawamachi, Kaita-cho, Aki-gun, Hiroshima-pref; JP
203.138.183.64 - 203.138.183.127	(HIROKEN-NET-JP)	Hiroshima Kensetsu Telecommunication Construction; 2-32, Minamisenda Higashimachi, Naka-ku, Hiroshima-shi, 730 Japan; JP
203.138.183.128 - 203.138.183.143	(DOCOMONET-JP)	NTT Chugoku Mobile Communications Network,Inc.; 2-6-2 Shoukou-Center, Nishi-Ku, Hiroshima-city,; JP
203.138.183.192 - 203.138.183.255	(HOKUEI-NET-JP)	HOKUEI ENGINEERING Co.,LTD.; 1388-1, KANMURI SHIWA-CHO, HIGASHIHIROSHIMA-SHI,; JP
203.138.186.0 - 203.138.187.255	(BI-TOTUS-NET-JP)	Bi-Totus (Bi-Totus Publish Co., Ltd.); 2-7-7, Otemati, Naka-ku, Hiroshima-shi, Hiroshima 730, Japan; JP
203.138.188.0 - 203.138.188.127	(KOSAIKAINET-JP)	Chugoku Construction Benefit Association; Mezon Kyoguchimon, 5-22, Hachobori, Naka-ku,; Hiroshima-city, Hiroshima, 730-0013 JAPAN; JP
203.138.190.0 - 203.138.190.255	(DEVIAS-JP)	DEVIAS COSMETICS CO., LTD.; 558-8, Motoshiogama-cho, Tominokouji Gojyo kudaru, Shimogyou-ku, Kyoto 600, Japan; JP
203.138.192.0 - 203.138.199.255	(MIYAZAKI-JP)	Miyazaki Network; Sadohara-cho Miyazaki-Gun Miyazaki 880-03 Japan; JP
203.138.200.0 - 203.138.200.255	(TIS-NET-JP)	TIS-net(Terazono, Katsunori); 2F Matsuda Bldg,25-7 Shinsyouin-cho,Kagoshima-city, Kagoshima 890,Japan; JP
203.138.201.0 - 203.138.201.255	(LABONET-JP)	LaboNet (AI Co,.LTD.); 1-9-32-1F Minamikumamoto Kumamoto-shi, Kumamoto 860, Japan; JP
203.138.202.0 - 203.138.202.255	(INWORLD-NET-JP)	INWORLD NET (INTERNETWORLD LTD.); 3-16, 6 Honsou, Kumamoto-shi, Kumamoto 860, Japan; JP
203.138.204.0 - 203.138.204.255	(YASUGI-NET-JP)	Yasugien Ltd.; Furukawa-chou478,Yasugi-city,Shimane; JP
203.138.206.0 - 203.138.206.255	(ISD-NET-JP)	ISD Internet Service (Ibaraki Software Development Co., Ltd.); 892-1, Edakawa, Hitachinaka-city, Ibaraki-pref, 312 Japan; JP
203.138.207.0 - 203.138.207.255	(SEIBU-GROUP-JP)	SEIBU Railway Co., LTD; 1-11-1 Kusunokidai, Tokorozawa-City,Saitama 359; Japan; JP
203.138.216.0 - 203.138.216.255	(DREAMCRAFT-JP)	DreamCraft Ltd.; Miyanishi 5-1, Niihama-City, Ehime 792, Japan; JP
203.138.218.0 - 203.138.218.255	(TOYBOX-NET-JP)	Digital Toward CO., Ltd.; 3-4-44 Oguri, Matsuyama-shi, Ehime 790, Japan; JP
203.138.221.0 - 203.138.221.255	(TOY-NET-JP)	Digital Toward CO.,Ltd.; 103 Terracota ,444, 3 Oguri, Matsuyama-shi, Ehime-ken 790, Japan; JP
203.138.222.0 - 203.138.222.255	(MATSUURA-NET-JP)	MATSUURA MACHINERY CORPORATION; 1-1 Urushiharacho, Fukui-shi, Fukui 910-01, Japan; JP
203.138.223.0 - 203.138.223.255	(SEREN-NET-JP)	SEIREN Co., Ltd; Keya 1-10-1, Fukui-City, Fukui, Japan; JP
203.138.230.0 - 203.138.230.255	(DOCOMOKYUSYU-JP)	NTT Kyusyu Mobile Communications Network,Inc; Daia Bldg Fukuoka Akasaka,1-15-33, Akasaka, Chuo-Ku, Fukuoka-shi , Fukuoka, 810 Japan; JP
203.138.231.0 - 203.138.231.255	(NDIA-NET-JP)	Retera Science Factory Co.,Ltd.; N Bldg 3F ,10-3, Nishinakasu, Tyuou-ku, Fukuoka-sh i,Fukuoka 810 Japan; JP
203.138.232.64 - 203.138.232.127	(FUKUOKA-NET-JP)	Fukuoka City; 1-8-1, Tenjin, Chuo-ku, Fukuoka-City, Fukuoka 810-0001 Japan; JP
203.138.232.128 - 203.138.232.255	(NTTTE-TEKUNO-JP)	NTT-TE KYUSYU TEKUNOCENTER; 3-chome 9-34, Higashi-ku, Fukuoka-shi, Fukuoka 813 Japan; JP
203.138.233.0 - 203.138.233.255	(TRACOM-NET-JP)	NTT KYUSYU TORACOM Corporation; 4-38,Tenjin 2-chome,Chuo-ku,Fukuoka 810,Japan; JP
203.138.234.0 - 203.138.235.255	(C-DAS-NET-JP)	Hiroshima C-DAS Internet; Chugokushinbun-Bekkan Bldg. 4F., Dobashi-cho 6-33, Naka-ku, Hiroshima-city, Hiroshima 730, Japan; JP
203.138.236.0 - 203.138.237.255	(CHUGOKU-NET-JP)	CHUGOKU-SHINBUN,Ltd; Dobashi-cho 7-1, Naka-ku, Hiroshima 730 Japan; JP
203.138.238.0 - 203.138.238.127	(NTT-NARA-JP)	NIPPON TELEGRAPH AND TELEPHONECORPORATION,NARA BRANCH; 4, Shimosanjyo-cho, Nara-shi, Nara, 630 Japan; JP
203.138.239.0 - 203.138.239.255	(NARA-NET-JP)	Nara Prefectural Government; 30 Noborioji-cho, Nara City, Nara Pref., 630 Japan; JP
203.138.240.0 - 203.138.240.63	(NTT-EHIME-JP)	NIPPON TELEGRAPH AND TELEPHONECORPORATION,EHIME BRANCH; 4-2, 1ban-cho,Matsuyama-shi,Ehime,790 Japan; JP
203.138.244.0 - 203.138.245.255	(TOLI-NET-JP)	TOLI Corporation; Higashi Arioka 5-125, Itami-city, Hyogo; JP
203.138.246.0 - 203.138.246.255	(KTN-NET-JP)	Television Nagasaki,Inc; 1-7 Kanayamachi,Nagasaki-shi 850 Japan; JP
203.138.248.0 - 203.138.249.255	(ASKA-NET-JP)	GIFU COMPUTER SERVICE CO.,LTD.; 4-29,Soharamurasame-cho,Kakamigahara-city, Gifu 504,Japan; JP
203.138.251.0 - 203.138.251.127	(VILLTANIGUMI-JP)	TANIGUMIMURA VILLAGE; 265-43 Nare, Tanigumimura, Ibigun, Gifu, 501-13 Japan; JP
203.138.251.128 - 203.138.251.191	(NVRC-JP)	Nippon VR Center Inc; 2-186 Sakuramachi, Naka-kakamigahara City, Gifu 504-0912,JAPAN; JP
203.138.251.192 - 203.138.251.223	(RISU-NET-JP)	GIFU PLASTIC INDUSTRY Co., Ltd.; 4-222, MAEDOHIGASHI-CHO, KAGAMIHARA-SHI, GIFU-KEN; JP

[Index Page], [Class C], [Block 203]