Autonomous System

AS4713

NTT DOCOMO BUSINESS,Inc.

NTT DOCOMO BUSINESS, Inc. Japan 🌐 ntt.com

Announced IPs

28,624,128

CIDR prefixes

167

ASN

AS4713

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

Official website ↗ Summary from Wikipedia, CC BY-SA 4.0 · Data from Wikidata

Network profile

Source: PeeringDB →

Network type NSP

Geographic scope Regional

Traffic ratio Balanced

Peering policy Selective

IRR record AS-OCN

Present at 3 internet exchanges: DIX-IE, JPNAP Tokyo: Peering, JPNAP Osaka

Website ↗

Web3 footprint

AS4713 hosts 2 observed decentralized-network nodes across 1 network. It’s a neutral signal — it does not affect the reputation score. See the full web3 node map.

IPFS IPFS 2

AS4713 — global IP footprint

Cities where AS4713 has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.

View on 3D globe →

Top CIDR ranges

CIDR	IPs	PTR Density	Organization	Country	State	City
153.128.0.0/10	4.19M	55.4%	NTT DOCOMO BUSINESS, Inc.	JP	Fukuoka	Chayama
180.0.0.0/10	4.19M	49.5%	NTT DOCOMO BUSINESS, Inc.	JP	Tokyo	Hachiōji
114.160.0.0/11	2.10M	63.1%	NTT DOCOMO BUSINESS, Inc.	JP	Osaka	Osaka
153.192.0.0/11	2.10M	64.1%	NTT DOCOMO BUSINESS, Inc.	JP	Kanagawa	Yokohama
180.0.0.0/11	2.10M	51.7%	NTT DOCOMO BUSINESS, Inc.	JP	Kanagawa	Yokohama
60.32.0.0/12	1.05M	52.6%	NTT DOCOMO BUSINESS, Inc.	JP	Osaka	Ikeda
114.144.0.0/12	1.05M	45.7%	NTT DOCOMO BUSINESS, Inc.	JP	Aichi	Nagoya
118.0.0.0/12	1.05M	41.0%	NTT DOCOMO BUSINESS, Inc.	JP	Tokyo	Minato
122.16.0.0/12	1.05M	38.8%	NTT DOCOMO BUSINESS, Inc.	JP	Ibaraki	Kasama
153.224.0.0/12	1.05M	76.5%	NTT DOCOMO BUSINESS, Inc.	JP	Fukuoka	Fukuoka
180.48.0.0/12	1.05M	49.4%	NTT DOCOMO BUSINESS, Inc.	JP	Oita	Ōita
58.88.0.0/13	524.3K	60.1%	NTT DOCOMO BUSINESS, Inc.	JP	Saitama	Kazo
118.16.0.0/13	524.3K	77.2%	NTT DOCOMO BUSINESS, Inc.	JP	Yamagata	Yamagata
121.112.0.0/13	524.3K	95.6%	NTT DOCOMO BUSINESS, Inc.	JP	Yamagata	Yamagata
123.216.0.0/13	524.3K	37.8%	NTT DOCOMO BUSINESS, Inc.	JP	Chiba	Funabashi
124.96.0.0/13	524.3K	53.9%	NTT DOCOMO BUSINESS, Inc.	JP	Hiroshima	Hiroshima
125.200.0.0/13	524.3K	68.8%	NTT DOCOMO BUSINESS, Inc.	JP	Akita	Akita
153.240.0.0/13	524.3K	69.2%	NTT DOCOMO BUSINESS, Inc.	JP	Tokyo	Tokyo
180.32.0.0/13	524.3K	41.4%	NTT DOCOMO BUSINESS, Inc.	JP	Aichi	Nagoya
219.160.0.0/13	524.3K	43.4%	NTT DOCOMO BUSINESS, Inc.	JP	Tokyo	Nakajima
220.104.0.0/13	524.3K	37.8%	NTT DOCOMO BUSINESS, Inc.	JP	Akita	Akita
221.184.0.0/13	524.3K	16.6%	NTT DOCOMO BUSINESS, Inc.	JP	Gifu	Takayama
222.144.0.0/13	524.3K	41.2%	NTT DOCOMO BUSINESS, Inc.	JP	Kanagawa	Tennōchō
123.224.0.0/14	262.1K	42.4%	NTT DOCOMO BUSINESS, Inc.	JP	Hiroshima	Hiroshima
124.84.0.0/14	262.1K	25.0%	NTT DOCOMO BUSINESS, Inc.	JP	Tokyo	Tokyo
125.172.0.0/14	262.1K	17.5%	NTT DOCOMO BUSINESS, Inc.	JP	Tokyo	Nukui
153.248.0.0/14	262.1K	83.1%	NTT DOCOMO BUSINESS, Inc.	JP	Tokyo	Minato
180.44.0.0/14	262.1K	46.8%	NTT DOCOMO BUSINESS, Inc.	JP	Fukuoka	Fukuoka
210.160.0.0/14	262.1K	10.9%	NTT DOCOMO BUSINESS, Inc.	JP	Kanagawa	Ozenjihigashi
220.96.0.0/14	262.1K	35.4%	NTT DOCOMO BUSINESS, Inc.	JP	Ishikawa	Kanazawa
223.216.0.0/14	262.1K	98.7%	NTT DOCOMO BUSINESS, Inc.	JP	Fukushima	Fukushima
61.112.0.0/15	131.1K	17.4%	NTT DOCOMO BUSINESS, Inc.	JP	Shizuoka	Shizuoka
61.118.0.0/15	131.1K	8.7%	NTT DOCOMO BUSINESS, Inc.	JP	Osaka	Hirakata
61.126.0.0/15	131.1K	22.4%	NTT DOCOMO BUSINESS, Inc.	JP	Tokyo	Wakabayashi
153.252.0.0/15	131.1K	42.6%	NTT DOCOMO BUSINESS, Inc.	JP	Osaka	Kanaokachō
180.40.0.0/15	131.1K	69.6%	NTT DOCOMO BUSINESS, Inc.	JP	Tokyo	Hachiōji
210.226.0.0/15	131.1K	12.7%	NTT DOCOMO BUSINESS, Inc.	JP	Aichi	Nagoya
211.16.0.0/15	131.1K	21.9%	NTT DOCOMO BUSINESS, Inc.	JP	Tokyo	Tokyo
211.122.0.0/15	131.1K	15.8%	NTT DOCOMO BUSINESS, Inc.	JP	Tokyo	Fussa
220.220.0.0/15	131.1K	96.4%	NTT DOCOMO BUSINESS, Inc.	JP	Akita	Akita
61.113.0.0/16	65.5K	0.0%	NTT DOCOMO BUSINESS, Inc.	JP	Tokyo	Toyosu
61.199.0.0/16	65.5K	23.4%	NTT DOCOMO BUSINESS, Inc.	JP	Tokyo	Nakano City
61.207.0.0/16	65.5K	20.0%	NTT DOCOMO BUSINESS, Inc.	JP	Miyazaki	Miyazaki
61.208.0.0/16	65.5K	9.2%	NTT DOCOMO BUSINESS, Inc.	JP	Chiba	Funabashi
61.214.0.0/16	65.5K	7.5%	NTT DOCOMO BUSINESS, Inc.	JP	Tokyo	Motoasakusa
122.1.0.0/16	65.5K	4.6%	NTT DOCOMO BUSINESS, Inc.	JP	Saitama	Sōka Shi
125.170.0.0/16	65.5K	24.6%	NTT DOCOMO BUSINESS, Inc.	JP	Okinawa	Naha
133.153.0.0/16	65.5K	0.0%	NTT DOCOMO BUSINESS, Inc.	JP	—	—
150.35.0.0/16	65.5K	0.0%	NTT DOCOMO BUSINESS, Inc.	JP	—	—
157.64.0.0/16	65.5K	0.0%	NTT DOCOMO BUSINESS, Inc.	JP	—	—
165.108.0.0/16	65.5K	0.0%	NTT DOCOMO BUSINESS, Inc.	JP	—	—
165.241.0.0/16	65.5K	0.0%	NTT DOCOMO BUSINESS, Inc.	JP	—	—
180.42.0.0/16	65.5K	10.8%	NTT DOCOMO BUSINESS, Inc.	JP	Kyoto	Kyoto
210.145.0.0/16	65.5K	15.0%	NTT DOCOMO BUSINESS, Inc.	JP	Kanagawa	Hiranumachō
210.154.0.0/16	65.5K	15.6%	NTT DOCOMO BUSINESS, Inc.	JP	Fukushima	Fukushima
210.164.0.0/16	65.5K	12.8%	NTT DOCOMO BUSINESS, Inc.	JP	Fukuoka	Uchihashi
210.190.0.0/16	65.5K	8.9%	NTT DOCOMO BUSINESS, Inc.	JP	Tokyo	Musashino
210.225.0.0/16	65.5K	8.9%	NTT DOCOMO BUSINESS, Inc.	JP	Shizuoka	Nanjō
210.232.0.0/16	65.5K	8.1%	NTT DOCOMO BUSINESS, Inc.	JP	Kanagawa	Seishin
210.248.0.0/16	65.5K	3.8%	NTT DOCOMO BUSINESS, Inc.	JP	Kanagawa	Fujisawa
211.0.0.0/16	65.5K	8.1%	NTT DOCOMO BUSINESS, Inc.	JP	Aichi	Nagoya
211.6.0.0/16	65.5K	12.1%	NTT DOCOMO BUSINESS, Inc.	JP	Aichi	Nagoya
211.11.0.0/16	65.5K	11.8%	NTT DOCOMO BUSINESS, Inc.	JP	Saitama	Motobuto
211.129.0.0/16	65.5K	35.1%	NTT DOCOMO BUSINESS, Inc.	JP	Tochigi	Tochigi
218.43.0.0/16	65.5K	13.3%	NTT DOCOMO BUSINESS, Inc.	JP	Kanagawa	Nakadō
218.44.0.0/16	65.5K	34.6%	NTT DOCOMO BUSINESS, Inc.	JP	Tokyo	Shimotakaido
218.47.0.0/16	65.5K	96.9%	NTT DOCOMO BUSINESS, Inc.	JP	Hokkaido	Sapporo
218.224.0.0/16	65.5K	46.6%	NTT DOCOMO BUSINESS, Inc.	JP	Kanagawa	Yokohama
27.114.0.0/17	32.8K	91.7%	NTT DOCOMO BUSINESS, Inc.	JP	Saitama	Honchō
61.112.0.0/17	32.8K	0.0%	NTT DOCOMO BUSINESS, Inc.	JP	Shizuoka	Shizuoka
150.61.128.0/17	32.8K	0.0%	NTT DOCOMO BUSINESS, Inc.	JP	—	—
180.43.128.0/17	32.8K	25.0%	NTT DOCOMO BUSINESS, Inc.	JP	Tokyo	Nakano City
210.254.128.0/17	32.8K	2.9%	NTT DOCOMO BUSINESS, Inc.	JP	Kanagawa	Fujisawa
211.130.128.0/17	32.8K	9.9%	NTT DOCOMO BUSINESS, Inc.	JP	Saitama	Kawaguchi
218.230.128.0/17	32.8K	30.7%	NTT DOCOMO BUSINESS, Inc.	JP	Tokyo	Shimomeguro
219.96.128.0/17	32.8K	31.9%	NTT DOCOMO BUSINESS, Inc.	JP	Hyōgo	Nishinomiya
219.114.0.0/17	32.8K	13.7%	NTT DOCOMO BUSINESS, Inc.	JP	Nagano	Toyohashi
221.113.128.0/17	32.8K	36.0%	NTT DOCOMO BUSINESS, Inc.	JP	Kanagawa	Kaizuka
61.112.192.0/18	16.4K	0.0%	NTT DOCOMO BUSINESS, Inc.	JP	Tokyo	Meguro City
150.5.64.0/18	16.4K	0.1%	NTT DOCOMO BUSINESS, Inc.	JP	Kanagawa	Kōnan
150.61.64.0/18	16.4K	0.0%	NTT DOCOMO BUSINESS, Inc.	JP	—	—
180.43.0.0/18	16.4K	83.5%	NTT DOCOMO BUSINESS, Inc.	JP	Tokyo	Iidabashi
202.234.192.0/18	16.4K	8.3%	NTT DOCOMO BUSINESS, Inc.	JP	—	—
210.132.0.0/18	16.4K	50.0%	NTT DOCOMO BUSINESS, Inc.	JP	Chiba	Funabashi
210.170.64.0/18	16.4K	4.0%	NTT DOCOMO BUSINESS, Inc.	JP	Chiba	Narashino Shi
211.130.0.0/18	16.4K	0.3%	NTT DOCOMO BUSINESS, Inc.	JP	—	—
61.112.128.0/19	8.2K	0.0%	NTT DOCOMO BUSINESS, Inc.	JP	Aichi	Naka
180.43.96.0/19	8.2K	82.0%	NTT DOCOMO BUSINESS, Inc.	JP	Osaka	Ōmiya
203.139.160.0/19	8.2K	3.4%	NTT DOCOMO BUSINESS, Inc.	JP	—	—
203.140.96.0/19	8.2K	4.3%	NTT DOCOMO BUSINESS, Inc.	JP	Gunma	Maebashi
211.1.32.0/19	8.2K	6.6%	NTT DOCOMO BUSINESS, Inc.	JP	—	—
211.130.64.0/19	8.2K	6.7%	NTT DOCOMO BUSINESS, Inc.	JP	Osaka	Shiginonishi
61.4.160.0/20	4.1K	89.3%	NTT DOCOMO BUSINESS, Inc.	JP	Hokkaido	Tomakomai
61.112.160.0/20	4.1K	0.0%	NTT DOCOMO BUSINESS, Inc.	JP	Aichi	Naka
61.114.112.0/20	4.1K	0.0%	NTT DOCOMO BUSINESS, Inc.	JP	—	—
180.43.80.0/20	4.1K	83.3%	NTT DOCOMO BUSINESS, Inc.	JP	Osaka	Uehommachi
202.191.16.0/20	4.1K	0.3%	NTT DOCOMO BUSINESS, Inc.	JP	—	—
210.134.16.0/20	4.1K	58.2%	NTT DOCOMO BUSINESS, Inc.	JP	—	—
61.4.152.0/21	2.0K	90.2%	NTT DOCOMO BUSINESS, Inc.	JP	Hokkaido	Tomakomai
61.112.184.0/21	2.0K	0.0%	NTT DOCOMO BUSINESS, Inc.	JP	Aichi	Naka

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS4713 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

Prefix	Announcement samples	Last seen
150.35.0.0/16	14,796	2026-08-29 23:36:10
202.213.16.0/22	14,502	2026-08-29 19:46:22
133.153.0.0/16	9,438	2026-08-29 23:36:15
61.199.0.0/16	8,870	2026-08-29 23:34:20
61.207.0.0/16	8,768	2026-08-29 23:34:20
36.52.223.0/24	8,733	2026-08-29 23:34:20
61.208.0.0/16	8,689	2026-08-29 23:34:20
124.96.0.0/13	8,655	2026-08-29 23:35:59
27.114.0.0/17	8,639	2026-08-29 23:34:20
61.214.0.0/16	8,611	2026-08-29 23:34:20
153.252.0.0/15	8,608	2026-08-29 23:35:59
121.112.0.0/13	8,597	2026-08-29 23:35:59
61.126.0.0/15	8,551	2026-08-29 23:34:20
61.118.0.0/15	8,519	2026-08-29 23:34:20
58.88.0.0/13	8,517	2026-08-29 23:36:32
61.112.0.0/15	8,496	2026-08-29 23:34:20
125.172.0.0/14	8,494	2026-08-29 23:35:59
123.224.0.0/14	8,482	2026-08-29 23:35:59
123.216.0.0/13	8,476	2026-08-29 23:35:59
60.32.0.0/12	8,445	2026-08-29 23:34:20
122.16.0.0/12	8,441	2026-08-29 23:35:59
202.34.110.0/24	8,395	2026-08-29 23:36:15
124.84.0.0/14	8,381	2026-08-29 23:35:59
202.34.111.0/24	8,350	2026-08-29 23:36:15
122.1.0.0/16	8,316	2026-08-29 23:35:59
125.200.0.0/13	8,314	2026-08-29 23:35:59
118.0.0.0/12	8,309	2026-08-29 23:35:59
125.170.0.0/16	8,305	2026-08-29 23:35:59
114.144.0.0/12	8,287	2026-08-29 23:35:59
153.224.0.0/12	8,285	2026-08-29 23:35:59
153.240.0.0/13	8,244	2026-08-29 23:35:59
118.16.0.0/13	8,226	2026-08-29 23:35:54
153.248.0.0/14	8,225	2026-08-29 23:35:59
211.130.64.0/19	8,191	2026-08-29 23:35:59
210.226.0.0/15	8,160	2026-08-29 23:35:59
210.132.0.0/18	8,149	2026-08-29 23:35:59
202.255.28.0/23	8,146	2026-08-29 23:36:15
153.128.0.0/10	8,139	2026-08-29 23:35:59
153.192.0.0/11	8,126	2026-08-29 23:35:59
219.114.0.0/17	8,111	2026-08-29 23:35:59
218.230.128.0/17	8,107	2026-08-29 23:35:59
180.0.0.0/10	8,093	2026-08-29 23:35:59
211.130.0.0/18	8,080	2026-08-29 23:35:59
210.164.0.0/16	8,071	2026-08-29 23:35:59
218.43.0.0/16	8,063	2026-08-29 23:35:59
202.234.192.0/18	8,046	2026-08-29 23:35:59
203.139.160.0/19	8,010	2026-08-29 23:35:59
211.0.0.0/16	8,005	2026-08-29 23:35:59
219.160.0.0/13	8,003	2026-08-29 23:35:59
211.129.0.0/16	7,998	2026-08-29 18:34:04

Showing top 50 of 181 announced prefixes by sample volume.

Frequently Asked Questions

What is AS4713?

AS4713 is an Autonomous System Number assigned to NTT DOCOMO BUSINESS,Inc.. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).

How many IP addresses does AS4713 announce?

AS4713 announces 28.62M IPv4 addresses distributed across 167 routed CIDR prefixes. The network is registered in Japan.

Who operates AS4713?

AS4713 is operated by NTT DOCOMO BUSINESS, Inc.. The organization is based in Japan. You can view all IP ranges and related ASNs on the organization page.

What country is AS4713 registered in?

AS4713 is registered in Japan. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-08-30 00:24:06 UTC