Autonomous System

AS4713

NTT DOCOMO BUSINESS,Inc.

NTT DOCOMO BUSINESS, Inc. Japan 🌐 ntt.com

Announced IPs

28,623,872

CIDR prefixes

166

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 v1.1.0 — 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	Saga	Saga
180.0.0.0/11	2.10M	51.7%	NTT DOCOMO BUSINESS, Inc.	JP	Shizuoka	Shizuoka
60.32.0.0/12	1.05M	52.6%	NTT DOCOMO BUSINESS, Inc.	JP	Chiba	Funabashi
114.144.0.0/12	1.05M	45.7%	NTT DOCOMO BUSINESS, Inc.	JP	Ibaraki	Ryūgasaki
118.0.0.0/12	1.05M	41.0%	NTT DOCOMO BUSINESS, Inc.	JP	Wakayama	Wakayama
122.16.0.0/12	1.05M	38.8%	NTT DOCOMO BUSINESS, Inc.	JP	Tokyo	Tokyo
153.224.0.0/12	1.05M	76.5%	NTT DOCOMO BUSINESS, Inc.	JP	Tokyo	Senzoku
180.48.0.0/12	1.05M	49.4%	NTT DOCOMO BUSINESS, Inc.	JP	Chiba	Ichikawa
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	Tokyo	Tokyo
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	Hiroshima	Hiroshima
153.240.0.0/13	524.3K	69.2%	NTT DOCOMO BUSINESS, Inc.	JP	Tokyo	Hino
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
58.88.0.0/14	262.1K	0.0%	—	JP	Saitama	Kazo
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	Nagano	Shiojiri
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	Kanagawa	Yokohama
58.94.0.0/15	131.1K	0.0%	—	JP	Toyama	Toyama
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	Morishita
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	Minamirokugō
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	Tochigi	Utsunomiya
58.93.0.0/16	65.5K	0.0%	—	JP	Yamagata	Yamagata
61.113.0.0/16	65.5K	0.0%	—	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	Kanagawa	Yokohama
210.190.0.0/16	65.5K	8.9%	NTT DOCOMO BUSINESS, Inc.	JP	Tokyo	Shinjuku
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	Tokyo	Higashiyamato
218.44.0.0/16	65.5K	34.6%	NTT DOCOMO BUSINESS, Inc.	JP	Osaka	Tennojichominami
218.47.0.0/16	65.5K	96.9%	NTT DOCOMO BUSINESS, Inc.	JP	Kanagawa	Yokohama
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	Kawaguchi
58.92.128.0/17	32.8K	0.0%	—	JP	Kumamoto	Kumamoto
61.112.0.0/17	32.8K	0.0%	—	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
58.92.64.0/18	16.4K	0.0%	—	JP	Kumamoto	Kumamoto
61.112.192.0/18	16.4K	0.0%	—	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	Tokyo
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	—	—
58.92.32.0/19	8.2K	0.0%	—	JP	—	—
61.112.128.0/19	8.2K	0.0%	—	JP	Aichi	Naka
180.43.96.0/19	8.2K	82.0%	NTT DOCOMO BUSINESS, Inc.	JP	Fukuoka	Ōgusu
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	—	—
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
58.92.0.0/20	4.1K	0.0%	—	JP	—	—
61.4.160.0/20	4.1K	89.3%	NTT DOCOMO BUSINESS, Inc.	JP	Hokkaido	Tomakomai

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
202.213.16.0/22	7,493	2026-07-18 06:05:14
150.35.0.0/16	7,396	2026-07-18 06:05:14
202.34.111.0/24	5,393	2026-07-18 06:12:15
202.255.28.0/23	5,125	2026-07-18 06:04:46
210.132.0.0/18	4,365	2026-07-18 06:04:46
211.130.0.0/18	4,361	2026-07-18 06:04:46
211.130.64.0/19	4,347	2026-07-18 06:04:46
219.114.0.0/17	4,328	2026-07-18 06:04:46
61.199.0.0/16	4,310	2026-07-18 06:11:49
210.164.0.0/16	4,292	2026-07-18 06:04:46
218.230.128.0/17	4,290	2026-07-18 06:04:46
218.44.0.0/16	4,287	2026-07-18 06:04:46
210.154.0.0/16	4,286	2026-07-18 06:04:46
202.191.16.0/20	4,285	2026-07-18 06:04:46
221.113.128.0/17	4,282	2026-07-18 06:04:46
218.43.0.0/16	4,282	2026-07-18 06:04:46
211.129.0.0/16	4,278	2026-07-18 06:04:46
153.252.0.0/15	4,270	2026-07-18 06:11:49
211.0.0.0/16	4,270	2026-07-18 06:04:46
210.190.0.0/16	4,270	2026-07-18 06:04:46
210.226.0.0/15	4,268	2026-07-18 06:04:46
121.112.0.0/13	4,266	2026-07-18 06:11:49
124.96.0.0/13	4,265	2026-07-18 06:11:49
211.11.0.0/16	4,260	2026-07-18 06:04:46
218.47.0.0/16	4,260	2026-07-18 06:04:46
210.248.0.0/16	4,260	2026-07-18 06:04:46
210.225.0.0/16	4,259	2026-07-18 06:04:46
210.145.0.0/16	4,258	2026-07-18 06:04:46
61.208.0.0/16	4,256	2026-07-18 06:11:49
61.207.0.0/16	4,255	2026-07-18 06:11:49
211.130.128.0/17	4,248	2026-07-18 06:04:46
36.52.223.0/24	4,247	2026-07-18 06:11:49
222.144.0.0/13	4,246	2026-07-18 06:04:46
218.224.0.0/16	4,245	2026-07-18 06:04:46
202.234.192.0/18	4,239	2026-07-18 06:04:46
203.139.160.0/19	4,229	2026-07-18 06:04:46
210.254.128.0/17	4,223	2026-07-18 06:04:46
210.170.64.0/18	4,218	2026-07-18 06:04:46
211.6.0.0/16	4,216	2026-07-18 06:04:46
210.232.0.0/16	4,215	2026-07-18 06:04:46
219.160.0.0/13	4,215	2026-07-18 06:04:46
219.96.128.0/17	4,212	2026-07-18 06:04:46
203.140.96.0/19	4,212	2026-07-18 06:04:46
123.224.0.0/14	4,211	2026-07-18 06:11:49
122.1.0.0/16	4,203	2026-07-18 06:11:49
125.172.0.0/14	4,203	2026-07-18 06:11:49
125.170.0.0/16	4,187	2026-07-18 06:11:49
153.240.0.0/13	4,184	2026-07-18 06:11:49
27.114.0.0/17	4,181	2026-07-18 06:11:49
153.224.0.0/12	4,180	2026-07-18 06:11:49

Showing top 50 of 180 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 166 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: 2026-07-18 08:10:32 UTC