Autonomous System

AS4713

NTT DOCOMO BUSINESS,Inc.

NTT DOCOMO BUSINESS, Inc. Japan 🌐 ntt.com

Announced IPs

28,624,128

CIDR prefixes

145

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 v1.2.1 — 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 3 observed decentralized-network nodes across 2 networks. It’s a neutral signal — it does not affect the reputation score. See the full web3 node map.

GNO Gnosis 2 Ξ Ethereum 1

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	64.4%	NTT DOCOMO BUSINESS, Inc.	JP	Gunma	Takasaki
180.0.0.0/10	4.19M	57.0%	NTT DOCOMO BUSINESS, Inc.	JP	Saitama	Nishikichō
114.160.0.0/11	2.10M	67.4%	NTT DOCOMO BUSINESS, Inc.	JP	Nagasaki	Sasebo
153.192.0.0/11	2.10M	76.1%	NTT DOCOMO BUSINESS, Inc.	JP	Kanagawa	Shirane
60.32.0.0/12	1.05M	54.6%	NTT DOCOMO BUSINESS, Inc.	JP	Aichi	Nagoya
114.144.0.0/12	1.05M	52.9%	NTT DOCOMO BUSINESS, Inc.	JP	Aichi	Nagoya
118.0.0.0/12	1.05M	46.1%	NTT DOCOMO BUSINESS, Inc.	JP	Aichi	Nagoya
122.16.0.0/12	1.05M	44.0%	NTT DOCOMO BUSINESS, Inc.	JP	Chiba	Funabashi
153.224.0.0/12	1.05M	90.0%	NTT DOCOMO BUSINESS, Inc.	JP	Niigata	Niigata
180.32.0.0/12	1.05M	53.3%	NTT DOCOMO BUSINESS, Inc.	JP	Saitama	Nishikichō
58.88.0.0/13	524.3K	61.2%	NTT DOCOMO BUSINESS, Inc.	JP	Chiba	Funabashi
118.16.0.0/13	524.3K	78.9%	NTT DOCOMO BUSINESS, Inc.	JP	Yamagata	Yamagata
121.112.0.0/13	524.3K	96.1%	NTT DOCOMO BUSINESS, Inc.	JP	Saitama	Kawaguchi
122.24.0.0/13	524.3K	46.8%	NTT DOCOMO BUSINESS, Inc.	JP	Saitama	Sasame
123.216.0.0/13	524.3K	39.2%	NTT DOCOMO BUSINESS, Inc.	JP	Tochigi	Utsunomiya
124.96.0.0/13	524.3K	57.9%	NTT DOCOMO BUSINESS, Inc.	JP	Hiroshima	Hiroshima
125.200.0.0/13	524.3K	71.2%	NTT DOCOMO BUSINESS, Inc.	JP	Akita	Akita
153.240.0.0/13	524.3K	80.6%	NTT DOCOMO BUSINESS, Inc.	JP	Tokyo	Adachi
180.24.0.0/13	524.3K	69.8%	NTT DOCOMO BUSINESS, Inc.	JP	Kanagawa	Yokohama
180.56.0.0/13	524.3K	50.1%	NTT DOCOMO BUSINESS, Inc.	JP	Fukuoka	Fukuoka
219.160.0.0/13	524.3K	46.5%	NTT DOCOMO BUSINESS, Inc.	JP	Saitama	Hanyū
220.104.0.0/13	524.3K	41.1%	NTT DOCOMO BUSINESS, Inc.	JP	Akita	Akita
221.184.0.0/13	524.3K	17.3%	NTT DOCOMO BUSINESS, Inc.	JP	Hokkaido	Sapporo
222.144.0.0/13	524.3K	42.4%	NTT DOCOMO BUSINESS, Inc.	JP	Hokkaido	Sapporo
122.20.0.0/14	262.1K	42.2%	NTT DOCOMO BUSINESS, Inc.	JP	Hiroshima	Hiroshima
123.224.0.0/14	262.1K	52.2%	NTT DOCOMO BUSINESS, Inc.	JP	Chiba	Ichihara
124.84.0.0/14	262.1K	26.6%	NTT DOCOMO BUSINESS, Inc.	JP	Tokyo	Katsushika
125.172.0.0/14	262.1K	18.5%	NTT DOCOMO BUSINESS, Inc.	JP	Tokyo	Nukui
153.248.0.0/14	262.1K	96.4%	NTT DOCOMO BUSINESS, Inc.	JP	Saitama	Chūō
180.4.0.0/14	262.1K	48.5%	NTT DOCOMO BUSINESS, Inc.	JP	Chiba	Matsudo
180.12.0.0/14	262.1K	54.5%	NTT DOCOMO BUSINESS, Inc.	JP	Shizuoka	Shizuoka
180.48.0.0/14	262.1K	74.5%	NTT DOCOMO BUSINESS, Inc.	JP	Shiga	Ōtsu
210.160.0.0/14	262.1K	11.2%	NTT DOCOMO BUSINESS, Inc.	JP	Iwate	Ōshū
220.96.0.0/14	262.1K	37.6%	NTT DOCOMO BUSINESS, Inc.	JP	Ishikawa	Kanazawa
223.216.0.0/14	262.1K	100.0%	NTT DOCOMO BUSINESS, Inc.	JP	Kanagawa	Yokohama
61.112.0.0/15	131.1K	18.0%	NTT DOCOMO BUSINESS, Inc.	JP	Hyōgo	Hyogo-ku
61.118.0.0/15	131.1K	9.1%	NTT DOCOMO BUSINESS, Inc.	JP	Osaka	Yao
61.126.0.0/15	131.1K	23.0%	NTT DOCOMO BUSINESS, Inc.	JP	Tokyo	Wakabayashi
122.18.0.0/15	131.1K	31.8%	NTT DOCOMO BUSINESS, Inc.	JP	Ibaraki	Kasama
153.252.0.0/15	131.1K	49.8%	NTT DOCOMO BUSINESS, Inc.	JP	Osaka	Ibaraki
180.0.0.0/15	131.1K	55.7%	NTT DOCOMO BUSINESS, Inc.	JP	Osaka	Chūō Ku
180.10.0.0/15	131.1K	69.6%	NTT DOCOMO BUSINESS, Inc.	JP	Tokyo	Tokyo
180.22.0.0/15	131.1K	58.8%	NTT DOCOMO BUSINESS, Inc.	JP	Miyagi	Sendai
180.52.0.0/15	131.1K	65.1%	NTT DOCOMO BUSINESS, Inc.	JP	Tokyo	Tokyo
210.226.0.0/15	131.1K	13.2%	NTT DOCOMO BUSINESS, Inc.	JP	Aichi	Nagoya
211.16.0.0/15	131.1K	22.6%	NTT DOCOMO BUSINESS, Inc.	JP	Tokyo	Nakamachi
211.122.0.0/15	131.1K	17.2%	NTT DOCOMO BUSINESS, Inc.	JP	Chiba	Kashiwa
220.220.0.0/15	131.1K	99.4%	NTT DOCOMO BUSINESS, Inc.	JP	Akita	Akita
61.113.0.0/16	65.5K	9.2%	NTT DOCOMO BUSINESS, Inc.	JP	Iwate	Tōno
61.199.0.0/16	65.5K	23.6%	NTT DOCOMO BUSINESS, Inc.	JP	Hyōgo	Kobe
61.207.0.0/16	65.5K	20.3%	NTT DOCOMO BUSINESS, Inc.	JP	Miyazaki	Miyazaki
61.208.0.0/16	65.5K	9.4%	NTT DOCOMO BUSINESS, Inc.	JP	Kanagawa	Tsuzuki Ku
61.214.0.0/16	65.5K	7.7%	NTT DOCOMO BUSINESS, Inc.	JP	Tokyo	Motoasakusa
122.1.0.0/16	65.5K	4.8%	NTT DOCOMO BUSINESS, Inc.	JP	Saitama	Sōka Shi
122.17.0.0/16	65.5K	45.6%	NTT DOCOMO BUSINESS, Inc.	JP	Tokyo	Kameido
125.170.0.0/16	65.5K	25.8%	NTT DOCOMO BUSINESS, Inc.	JP	Okinawa	Okinawa
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	—	—
180.3.0.0/16	65.5K	63.5%	NTT DOCOMO BUSINESS, Inc.	JP	Tokushima	Tokushima
180.8.0.0/16	65.5K	21.9%	NTT DOCOMO BUSINESS, Inc.	JP	—	—
180.17.0.0/16	65.5K	74.4%	NTT DOCOMO BUSINESS, Inc.	JP	Shiga	Ōtsu
180.19.0.0/16	65.5K	55.7%	NTT DOCOMO BUSINESS, Inc.	JP	Kyoto	Kyoto
180.21.0.0/16	65.5K	80.5%	NTT DOCOMO BUSINESS, Inc.	JP	Saitama	Kawaguchi
180.54.0.0/16	65.5K	37.2%	NTT DOCOMO BUSINESS, Inc.	JP	Kyoto	Kyoto
210.145.0.0/16	65.5K	15.8%	NTT DOCOMO BUSINESS, Inc.	JP	Kanagawa	Hiranumachō
210.154.0.0/16	65.5K	16.0%	NTT DOCOMO BUSINESS, Inc.	JP	Fukushima	Fukushima
210.164.0.0/16	65.5K	13.3%	NTT DOCOMO BUSINESS, Inc.	JP	Kanagawa	Yokohama
210.190.0.0/16	65.5K	9.1%	NTT DOCOMO BUSINESS, Inc.	JP	Saitama	Fujikubo
210.225.0.0/16	65.5K	9.4%	NTT DOCOMO BUSINESS, Inc.	JP	Saitama	Ageo
210.232.0.0/16	65.5K	8.2%	NTT DOCOMO BUSINESS, Inc.	JP	Kanagawa	Seishin
210.248.0.0/16	65.5K	3.9%	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	12.5%	NTT DOCOMO BUSINESS, Inc.	JP	Aichi	Nagoya
211.11.0.0/16	65.5K	12.2%	NTT DOCOMO BUSINESS, Inc.	JP	Osaka	Takatsuki
211.129.0.0/16	65.5K	35.9%	NTT DOCOMO BUSINESS, Inc.	JP	Tochigi	Tochigi
218.43.0.0/16	65.5K	13.7%	NTT DOCOMO BUSINESS, Inc.	JP	Kanagawa	Nakadō
218.44.0.0/16	65.5K	35.5%	NTT DOCOMO BUSINESS, Inc.	JP	Tokyo	Shimotakaido
218.47.0.0/16	65.5K	98.2%	NTT DOCOMO BUSINESS, Inc.	JP	Hokkaido	Sapporo
218.224.0.0/16	65.5K	47.5%	NTT DOCOMO BUSINESS, Inc.	JP	Osaka	Daitō
27.114.0.0/17	32.8K	99.4%	NTT DOCOMO BUSINESS, Inc.	JP	Tokyo	Mejiro
61.112.0.0/17	32.8K	14.8%	NTT DOCOMO BUSINESS, Inc.	JP	Shizuoka	Kusanagi
122.16.0.0/17	32.8K	53.0%	NTT DOCOMO BUSINESS, Inc.	JP	Akita	Akita
150.61.128.0/17	32.8K	0.0%	NTT DOCOMO BUSINESS, Inc.	JP	—	—
180.2.128.0/17	32.8K	62.0%	NTT DOCOMO BUSINESS, Inc.	JP	Tokyo	Tokyo
180.9.128.0/17	32.8K	61.9%	NTT DOCOMO BUSINESS, Inc.	JP	Kyoto	Kyoto
180.16.128.0/17	32.8K	37.2%	NTT DOCOMO BUSINESS, Inc.	JP	Chiba	Funabashi
180.18.128.0/17	32.8K	24.8%	NTT DOCOMO BUSINESS, Inc.	JP	Kyoto	Kyoto
180.20.128.0/17	32.8K	86.8%	NTT DOCOMO BUSINESS, Inc.	JP	Tokyo	Tokyo
180.55.128.0/17	32.8K	18.5%	NTT DOCOMO BUSINESS, Inc.	JP	Tokyo	Chiyoda City
210.254.128.0/17	32.8K	2.9%	NTT DOCOMO BUSINESS, Inc.	JP	Tokyo	Tokyo
211.130.128.0/17	32.8K	10.0%	NTT DOCOMO BUSINESS, Inc.	JP	Saitama	Kawaguchi
218.230.128.0/17	32.8K	32.0%	NTT DOCOMO BUSINESS, Inc.	JP	Tokyo	Setagaya City
219.96.128.0/17	32.8K	33.3%	NTT DOCOMO BUSINESS, Inc.	JP	Hyōgo	Nishinomiya
219.114.0.0/17	32.8K	14.2%	NTT DOCOMO BUSINESS, Inc.	JP	Kanagawa	Kawasaki
221.113.128.0/17	32.8K	37.4%	NTT DOCOMO BUSINESS, Inc.	JP	Tokyo	Taitō City
61.112.192.0/18	16.4K	64.7%	NTT DOCOMO BUSINESS, Inc.	JP	Tokyo	Meguro City
122.16.128.0/18	16.4K	74.4%	NTT DOCOMO BUSINESS, Inc.	JP	Aichi	Nagoya

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	20,871	2026-10-15 19:50:38
202.213.16.0/22	20,124	2026-10-15 19:50:38
133.153.0.0/16	12,733	2026-10-15 19:50:25
61.199.0.0/16	12,394	2026-10-15 19:50:25
61.207.0.0/16	12,343	2026-10-15 19:50:25
124.96.0.0/13	12,306	2026-10-15 19:50:25
36.52.223.0/24	12,300	2026-10-15 19:50:25
27.114.0.0/17	12,200	2026-10-15 19:50:25
61.208.0.0/16	12,171	2026-10-15 19:50:25
153.252.0.0/15	12,159	2026-10-15 19:50:25
121.112.0.0/13	12,104	2026-10-15 19:50:25
61.214.0.0/16	12,082	2026-10-15 19:50:25
61.126.0.0/15	12,044	2026-10-15 19:50:25
125.172.0.0/14	12,008	2026-10-15 19:50:25
58.88.0.0/13	12,006	2026-10-15 19:50:25
61.118.0.0/15	11,998	2026-10-15 19:50:25
61.112.0.0/15	11,975	2026-10-15 19:50:25
123.224.0.0/14	11,957	2026-10-15 19:50:25
123.216.0.0/13	11,932	2026-10-15 19:50:25
60.32.0.0/12	11,930	2026-10-15 19:50:25
122.16.0.0/12	11,904	2026-10-15 19:50:25
124.84.0.0/14	11,816	2026-10-15 19:50:25
125.200.0.0/13	11,784	2026-10-15 19:50:25
118.0.0.0/12	11,759	2026-10-15 19:50:25
114.144.0.0/12	11,757	2026-10-15 19:50:25
122.1.0.0/16	11,742	2026-10-15 19:50:25
125.170.0.0/16	11,709	2026-10-15 19:50:25
61.4.172.0/22	11,668	2026-10-15 19:50:25
118.16.0.0/13	11,652	2026-10-15 19:50:25
153.224.0.0/12	11,621	2026-10-15 19:50:25
210.226.0.0/15	11,608	2026-10-15 19:50:25
219.114.0.0/17	11,574	2026-10-15 19:50:25
153.240.0.0/13	11,566	2026-10-15 19:50:25
153.248.0.0/14	11,547	2026-10-15 19:50:25
211.130.64.0/19	11,540	2026-10-15 19:50:25
210.132.0.0/18	11,486	2026-10-15 19:50:25
153.192.0.0/11	11,454	2026-10-15 19:50:25
218.230.128.0/17	11,425	2026-10-15 19:50:25
153.128.0.0/10	11,421	2026-10-15 19:50:25
210.164.0.0/16	11,396	2026-10-15 19:50:25
211.130.0.0/18	11,387	2026-10-15 19:50:25
202.234.192.0/18	11,372	2026-10-15 19:50:25
180.0.0.0/10	11,365	2026-10-15 19:50:25
218.43.0.0/16	11,337	2026-10-15 19:50:25
211.0.0.0/16	11,310	2026-10-15 19:50:25
203.139.160.0/19	11,296	2026-10-15 19:50:25
202.191.16.0/20	11,286	2026-10-15 19:50:25
219.160.0.0/13	11,284	2026-10-15 19:50:25
210.154.0.0/16	11,276	2026-10-15 19:50:25
218.44.0.0/16	11,241	2026-10-15 19:50:25

Showing top 50 of 183 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 145 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: 2026-10-15 20:39:05 UTC