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Organization

NTT DOCOMO BUSINESS, Inc.

IPv4 addresses
28,645,888
CIDR ranges
183
Category
mobile
BGP prefixes announced
206

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

67/100
Moderate
How this score is built
  • Baseline (neutral) 65
  • Mobile allocation +2
  • Trust score 67 / 100

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

About Open Computer Network

OCN (オーシーエヌ), or Open Computer Network(オープン・コンピュータ・ネットワーク:Ōpun Konpyūta nettowāku), is the largest Japanese Internet service provider, with over 7 million subscribers. It is owned by NTT Communications Corp, one of the largest telecommunication companies in the world.

Founded
1996

Operates 5 networks present at 3 internet exchanges with a open peering policy.

NTT DOCOMO BUSINESS, Inc. — global IP footprint

Cities where NTT DOCOMO BUSINESS, Inc. has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.

Countries served by NTT DOCOMO BUSINESS, Inc.

Every country where this organization has IPv4 allocations, ranked by IPs held.

ASNs owned by NTT DOCOMO BUSINESS, Inc.

ASNNameIPsPrefixesCountry
AS4713 NTT DOCOMO BUSINESS,Inc. 28.62M 167 JP
AS38639 NTT DOCOMO BUSINESS, Inc. 13.3K 4 JP
AS18259 NTT DOCOMO BUSINESS, Inc 4.1K 1 JP
AS18072 NTT DOCOMO BUSINESS, Inc. 1.3K 2 JP
AS7674 NTT DOCOMO BUSINESS, Inc 1.3K 3 JP
AS37900 NTT DOCOMO BUSINESS, Inc. 1.0K 3 JP
AS18131 NTT DOCOMO BUSINESS, Inc. 256 1 JP
AS38629 NTT DOCOMO BUSINESS, Inc 256 1 JP

Largest CIDR ranges

CIDRIPsPTR DensityASNCountryStateCity
153.128.0.0/10 4.19M
55.4%
AS4713 JP Fukuoka Chayama
180.0.0.0/10 4.19M
49.5%
AS4713 JP Tokyo Hachiōji
114.160.0.0/11 2.10M
63.1%
AS4713 JP Osaka Osaka
153.192.0.0/11 2.10M
64.1%
AS4713 JP Kanagawa Yokohama
180.0.0.0/11 2.10M
51.7%
AS4713 JP Kanagawa Yokohama
60.32.0.0/12 1.05M
52.6%
AS4713 JP Osaka Ikeda
114.144.0.0/12 1.05M
45.7%
AS4713 JP Aichi Nagoya
118.0.0.0/12 1.05M
41.0%
AS4713 JP Tokyo Minato
122.16.0.0/12 1.05M
38.8%
AS4713 JP Ibaraki Kasama
153.224.0.0/12 1.05M
76.5%
AS4713 JP Fukuoka Fukuoka
180.48.0.0/12 1.05M
49.4%
AS4713 JP Oita Ōita
58.88.0.0/13 524.3K
60.1%
AS4713 JP Saitama Kazo
118.16.0.0/13 524.3K
77.2%
AS4713 JP Yamagata Yamagata
121.112.0.0/13 524.3K
95.6%
AS4713 JP Yamagata Yamagata
123.216.0.0/13 524.3K
37.8%
AS4713 JP Chiba Funabashi
124.96.0.0/13 524.3K
53.9%
AS4713 JP Hiroshima Hiroshima
125.200.0.0/13 524.3K
68.8%
AS4713 JP Akita Akita
153.240.0.0/13 524.3K
69.2%
AS4713 JP Tokyo Shimorenjaku
180.32.0.0/13 524.3K
41.4%
AS4713 JP Aichi Nagoya
219.160.0.0/13 524.3K
43.4%
AS4713 JP Tokyo Nakajima
220.104.0.0/13 524.3K
37.8%
AS4713 JP Akita Akita
221.184.0.0/13 524.3K
16.6%
AS4713 JP Gifu Takayama
222.144.0.0/13 524.3K
41.2%
AS4713 JP Kanagawa Tennōchō
123.224.0.0/14 262.1K
42.4%
AS4713 JP Hiroshima Hiroshima
124.84.0.0/14 262.1K
25.0%
AS4713 JP Tokyo Tokyo
125.172.0.0/14 262.1K
17.5%
AS4713 JP Tokyo Nukui
153.248.0.0/14 262.1K
83.1%
AS4713 JP Tokyo Minato
180.44.0.0/14 262.1K
46.8%
AS4713 JP Fukuoka Fukuoka
210.160.0.0/14 262.1K
10.9%
AS4713 JP Kanagawa Ozenjihigashi
220.96.0.0/14 262.1K
35.4%
AS4713 JP Ishikawa Kanazawa
223.216.0.0/14 262.1K
98.7%
AS4713 JP Fukushima Fukushima
61.112.0.0/15 131.1K
17.4%
AS4713 JP Shizuoka Shizuoka
61.118.0.0/15 131.1K
8.7%
AS4713 JP Osaka Hirakata
61.126.0.0/15 131.1K
22.4%
AS4713 JP Tokyo Wakabayashi
153.252.0.0/15 131.1K
42.6%
AS4713 JP Osaka Kanaokachō
180.40.0.0/15 131.1K
69.6%
AS4713 JP Tokyo Hachiōji
210.226.0.0/15 131.1K
12.7%
AS4713 JP Aichi Nagoya
211.16.0.0/15 131.1K
21.9%
AS4713 JP Tokyo Tokyo
211.122.0.0/15 131.1K
15.8%
AS4713 JP Tokyo Fussa
220.220.0.0/15 131.1K
96.4%
AS4713 JP Akita Akita
61.199.0.0/16 65.5K
23.4%
AS4713 JP Tokyo Nakano City
61.207.0.0/16 65.5K
20.0%
AS4713 JP Miyazaki Miyazaki
61.208.0.0/16 65.5K
9.2%
AS4713 JP Chiba Funabashi
61.214.0.0/16 65.5K
7.5%
AS4713 JP Tokyo Motoasakusa
122.1.0.0/16 65.5K
4.6%
AS4713 JP Saitama Sōka Shi
125.170.0.0/16 65.5K
24.6%
AS4713 JP Okinawa Naha
133.153.0.0/16 65.5K
0.0%
AS4713 JP
150.35.0.0/16 65.5K
0.0%
AS4713 JP
157.64.0.0/16 65.5K
0.0%
AS4713 JP
165.108.0.0/16 65.5K
0.0%
AS4713 JP
165.241.0.0/16 65.5K
0.0%
AS4713 JP
180.42.0.0/16 65.5K
10.8%
AS4713 JP Kyoto Kyoto
210.145.0.0/16 65.5K
15.0%
AS4713 JP Kanagawa Hiranumachō
210.154.0.0/16 65.5K
15.6%
AS4713 JP Fukushima Fukushima
210.164.0.0/16 65.5K
12.8%
AS4713 JP Fukuoka Uchihashi
210.190.0.0/16 65.5K
8.9%
AS4713 JP Tokyo Musashino
210.225.0.0/16 65.5K
8.9%
AS4713 JP Shizuoka Nanjō
210.232.0.0/16 65.5K
8.1%
AS4713 JP Kanagawa Seishin
210.248.0.0/16 65.5K
3.8%
AS4713 JP Kanagawa Fujisawa
211.0.0.0/16 65.5K
8.1%
AS4713 JP Aichi Nagoya
211.6.0.0/16 65.5K
12.1%
AS4713 JP Aichi Nagoya
211.11.0.0/16 65.5K
11.8%
AS4713 JP Saitama Motobuto
211.129.0.0/16 65.5K
35.1%
AS4713 JP Tochigi Tochigi
218.43.0.0/16 65.5K
13.3%
AS4713 JP Kanagawa Nakadō
218.44.0.0/16 65.5K
34.6%
AS4713 JP Tokyo Shimotakaido
218.47.0.0/16 65.5K
96.9%
AS4713 JP Hokkaido Sapporo
218.224.0.0/16 65.5K
46.6%
AS4713 JP Kanagawa Yokohama
27.114.0.0/17 32.8K
91.7%
AS4713 JP Saitama Honchō
150.61.128.0/17 32.8K
0.0%
AS4713 JP
180.43.128.0/17 32.8K
25.0%
AS4713 JP Tokyo Nakano City
210.254.128.0/17 32.8K
2.9%
AS4713 JP Kanagawa Fujisawa
211.130.128.0/17 32.8K
9.9%
AS4713 JP Saitama Kawaguchi
218.230.128.0/17 32.8K
30.7%
AS4713 JP Tokyo Shimomeguro
219.96.128.0/17 32.8K
31.9%
AS4713 JP Hyōgo Nishinomiya
219.114.0.0/17 32.8K
13.7%
AS4713 JP Nagano Toyohashi
221.113.128.0/17 32.8K
36.0%
AS4713 JP Kanagawa Kaizuka
150.5.64.0/18 16.4K
0.1%
AS4713 JP Kanagawa Kōnan
150.61.64.0/18 16.4K
0.0%
AS4713 JP
180.43.0.0/18 16.4K
83.5%
AS4713 JP Tokyo Iidabashi
202.234.192.0/18 16.4K
8.3%
AS4713 JP
210.132.0.0/18 16.4K
50.0%
AS4713 JP Chiba Funabashi
210.170.64.0/18 16.4K
4.0%
AS4713 JP Chiba Narashino Shi
211.130.0.0/18 16.4K
0.3%
AS4713 JP
163.138.224.0/19 8.2K
1.6%
AS38639 JP
180.43.96.0/19 8.2K
82.0%
AS4713 JP Osaka Ōmiya
203.139.160.0/19 8.2K
3.4%
AS4713 JP
203.140.96.0/19 8.2K
4.3%
AS4713 JP Gunma Maebashi
211.1.32.0/19 8.2K
6.6%
AS4713 JP
211.130.64.0/19 8.2K
6.7%
AS4713 JP Osaka Shiginonishi
61.4.160.0/20 4.1K
89.3%
AS4713 JP Hokkaido Tomakomai
61.114.112.0/20 4.1K
0.0%
AS4713 JP
180.43.80.0/20 4.1K
83.3%
AS4713 JP Osaka Uehommachi
202.178.96.0/20 4.1K
24.2%
AS18259 JP Tokyo Tokyo
202.191.16.0/20 4.1K
0.3%
AS4713 JP
210.134.16.0/20 4.1K
58.2%
AS4713 JP
61.4.152.0/21 2.0K
90.2%
AS4713 JP Hokkaido Tomakomai
115.69.224.0/21 2.0K
2.8%
AS38639 JP
119.161.104.0/21 2.0K
0.0%
AS4713 JP
153.124.192.0/21 2.0K
45.1%
AS4713 JP
180.43.72.0/21 2.0K
83.4%
AS4713 JP Shizuoka Hara

Frequently Asked Questions

How many IP addresses does NTT DOCOMO BUSINESS, Inc. own?

NTT DOCOMO BUSINESS, Inc. controls 28.65M IPv4 addresses distributed across 183 CIDR ranges. The organization is registered in Japan.

What ASNs does NTT DOCOMO BUSINESS, Inc. operate?

NTT DOCOMO BUSINESS, Inc. operates 8 Autonomous Systems. Each ASN represents an independently routed network that NTT DOCOMO BUSINESS, Inc. manages for internet traffic delivery.

What type of organization is NTT DOCOMO BUSINESS, Inc.?

NTT DOCOMO BUSINESS, Inc. is categorized as mobile. This classification is based on the organization's primary use of its IP address allocations.

Last updated: 2026-09-09 03:26:37 UTC
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