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Organization

Research Organization of Information and Systems, National Institute of Informatics

IPv4 addresses
8,769,280
CIDR ranges
476
Category
academic
BGP prefixes announced
668

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.

71/100
Moderate
How this score is built

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

Research Organization of Information and Systems, National Institute of Informatics — global IP footprint

Cities where Research Organization of Information and Systems, National Institute of Informatics has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.

Countries served by Research Organization of Information and Systems, National Institute of Informatics

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

ASNs owned by Research Organization of Information and Systems, National Institute of Informatics

ASNNameIPsPrefixesCountry
AS2907 Research Organization of Information and Systems, National Institute of Informatics 8.77M 476 JP

Largest CIDR ranges

CIDRIPsPTR DensityASNCountryStateCity
133.14.0.0/15 131.1K
16.4%
AS2907 JP Aichi Toyohashi
133.16.0.0/15 131.1K
1.0%
AS2907 JP Fukuoka Fukuoka
133.20.0.0/15 131.1K
3.1%
AS2907 JP Tokyo Nishisugamo
133.34.0.0/15 131.1K
60.2%
AS2907 JP Niigata Hakusan'ura
133.38.0.0/15 131.1K
0.8%
AS2907 JP Saitama Sakawa
133.44.0.0/15 131.1K
7.9%
AS2907 JP Niigata Nagaoka
133.48.0.0/15 131.1K
13.8%
AS2907 JP Aichi Okazaki
133.62.0.0/15 131.1K
6.3%
AS2907 JP Yamaguchi Ube
133.72.0.0/15 131.1K
6.5%
AS2907 JP Tokyo Shinjuku
133.82.0.0/15 131.1K
0.6%
AS2907 JP Chiba Chiba
133.84.0.0/15 131.1K
0.0%
AS2907 JP
133.94.0.0/15 131.1K
2.7%
AS2907 JP Kumamoto Kumamoto
133.98.0.0/15 131.1K
0.2%
AS2907 JP Tokyo Sumida City
133.102.0.0/15 131.1K
0.2%
AS2907 JP Shiga Hikone
150.42.0.0/15 131.1K
9.6%
AS2907 JP Fukuoka Kamikatsuki
160.28.0.0/15 131.1K
13.2%
AS2907 JP Miyagi Sendai
163.214.0.0/15 131.1K
20.1%
AS2907 JP Aichi Nagoya
130.34.0.0/16 65.5K
14.1%
AS2907 JP Miyagi Sendai
130.153.0.0/16 65.5K
0.9%
AS2907 JP Tokyo Kokuryōchō
131.206.0.0/16 65.5K
2.9%
AS2907 JP Fukuoka Iizuka
133.7.0.0/16 65.5K
0.7%
AS2907 JP Fukui Asuwa
133.8.0.0/16 65.5K
0.5%
AS2907 JP Gunma Isesaki
133.10.0.0/16 65.5K
0.3%
AS2907 JP Tokyo Tokyo
133.12.0.0/16 65.5K
0.2%
AS2907 JP Tokyo Shinjuku
133.23.0.0/16 65.5K
1.0%
AS2907 JP Yamanashi Kofu
133.29.0.0/16 65.5K
1.0%
AS2907 JP Aichi Nagoya
133.30.0.0/16 65.5K
4.9%
AS2907 JP Hyōgo Kobe
133.37.0.0/16 65.5K
1.9%
AS2907 JP Oita Ōita
133.46.0.0/16 65.5K
0.2%
AS2907 JP Tokyo Nukuiminamicho
133.52.0.0/16 65.5K
43.6%
AS2907 JP Fukushima Fukushima
133.55.0.0/16 65.5K
35.6%
AS2907 JP Toyama Imizu Shi
133.57.0.0/16 65.5K
10.5%
AS2907 JP Tokyo Tachikawa
133.58.0.0/16 65.5K
4.7%
AS2907 JP
133.60.0.0/16 65.5K
3.4%
AS2907 JP Aomori Hirosaki
133.65.0.0/16 65.5K
0.6%
AS2907 JP Tokyo Tokyo
133.68.0.0/16 65.5K
15.6%
AS2907 JP Aichi Nagoya
133.77.0.0/16 65.5K
0.0%
AS2907 JP
133.78.0.0/16 65.5K
5.7%
AS2907 JP Kanagawa Saginuma
133.81.0.0/16 65.5K
0.1%
AS2907 JP Fukuoka Wakamiya
133.86.0.0/16 65.5K
1.2%
AS2907 JP Tokyo Tama
133.89.0.0/16 65.5K
10.1%
AS2907 JP Osaka Suita
133.96.0.0/16 65.5K
0.2%
AS2907 JP Aichi Kariya
133.104.0.0/16 65.5K
0.9%
AS2907 JP
133.187.0.0/16 65.5K
0.0%
AS2907 JP Chiba Abiko
133.220.0.0/16 65.5K
0.1%
AS2907 JP Chiba Matsudo
136.187.0.0/16 65.5K
2.1%
AS2907 JP Tokyo Chiyoda City
144.213.0.0/16 65.5K
0.0%
AS2907 JP Ibaraki Tsuchiura
147.157.0.0/16 65.5K
0.0%
AS2907 JP Ibaraki Tsukuba
150.7.0.0/16 65.5K
0.0%
AS2907 JP Kanagawa Hadano
150.12.0.0/16 65.5K
0.2%
AS2907 JP Hyōgo Himeji
150.15.0.0/16 65.5K
0.0%
AS2907 JP
150.46.0.0/16 65.5K
1.6%
AS2907 JP Okayama Okayama
150.54.0.0/16 65.5K
0.0%
AS2907 JP Miyagi Miyagi Gun
150.59.0.0/16 65.5K
6.0%
AS2907 JP Tokushima Tokushima
150.69.0.0/16 65.5K
5.1%
AS2907 JP Fukuoka Kitakyushu
150.83.0.0/16 65.5K
1.7%
AS2907 JP Hokkaido Sapporo
150.84.0.0/16 65.5K
1.7%
AS2907 JP Hyōgo Kobe
150.86.0.0/16 65.5K
0.3%
AS2907 JP Osaka Yao
150.89.0.0/16 65.5K
87.1%
AS2907 JP Nara Ichibuchō
150.97.0.0/16 65.5K
0.4%
AS2907 JP Hokkaido Kitami
150.99.0.0/16 65.5K
10.2%
AS2907 JP Saitama Higashimatsuyama Shi
150.100.0.0/16 65.5K
0.4%
AS2907 JP Tokyo Minato
157.1.0.0/16 65.5K
0.4%
AS2907 JP
157.6.0.0/16 65.5K
0.1%
AS2907 JP Fukui Katsuyama
157.13.0.0/16 65.5K
0.0%
AS2907 JP Fukuoka Iizuka
157.16.0.0/16 65.5K
4.5%
AS2907 JP
157.19.0.0/16 65.5K
0.3%
AS2907 JP Hokkaido Muroran
157.63.0.0/16 65.5K
0.0%
AS2907 JP Tokyo Adachi City
157.76.0.0/16 65.5K
96.3%
AS2907 JP
157.80.0.0/16 65.5K
1.0%
AS2907 JP Ibaraki Mito
157.102.0.0/16 65.5K
1.7%
AS2907 JP
157.105.0.0/16 65.5K
0.1%
AS2907 JP Tokyo Kokubunji
157.111.0.0/16 65.5K
0.1%
AS2907 JP
157.114.0.0/16 65.5K
0.0%
AS2907 JP
158.203.0.0/16 65.5K
0.2%
AS2907 JP
158.208.0.0/16 65.5K
0.0%
AS2907 JP Hokkaido Obihiro
158.210.0.0/16 65.5K
0.2%
AS2907 JP Ibaraki Tsukuba
158.215.0.0/16 65.5K
4.7%
AS2907 JP Akita Akita
160.11.0.0/16 65.5K
0.7%
AS2907 JP Hyōgo Aoyama
160.12.0.0/16 65.5K
0.8%
AS2907 JP Tochigi Utsunomiya
160.15.0.0/16 65.5K
0.2%
AS2907 JP Tottori Yonago
160.190.0.0/16 65.5K
0.0%
AS2907 JP Tokyo Chuo
160.193.0.0/16 65.5K
7.9%
AS2907 JP Osaka Kawachi-nagano Shi
160.194.0.0/16 65.5K
2.3%
AS2907 JP Tokyo Tama
160.198.0.0/16 65.5K
25.5%
AS2907 JP Fukuoka Kitakyushu
160.204.0.0/16 65.5K
0.0%
AS2907 JP
160.247.0.0/16 65.5K
0.2%
AS2907 JP Hyōgo Motoyamaminamimachi
160.252.0.0/16 65.5K
0.3%
AS2907 JP Nagano Matsumoto
163.42.0.0/16 65.5K
0.1%
AS2907 JP
163.51.0.0/16 65.5K
12.4%
AS2907 JP Osaka Kanaokachō
163.54.0.0/16 65.5K
0.0%
AS2907 JP
163.130.0.0/16 65.5K
95.7%
AS2907 JP Hokkaido Chūō Ku
163.134.0.0/16 65.5K
0.0%
AS2907 JP
163.136.0.0/16 65.5K
0.2%
AS2907 JP Kanagawa Kawasaki
163.143.0.0/16 65.5K
4.8%
AS2907 JP Fukushima Aizu-wakamatsu Shi
163.145.0.0/16 65.5K
0.6%
AS2907 JP Okayama Asakuchi Shi
163.148.0.0/16 65.5K
0.0%
AS2907 JP Kanagawa Aoba
163.209.0.0/16 65.5K
0.8%
AS2907 JP Kagoshima Kagoshima
163.212.0.0/16 65.5K
0.3%
AS2907 JP Kanagawa Yokohama
163.225.0.0/16 65.5K
0.3%
AS2907 JP Okayama Okayama

Frequently Asked Questions

How many IP addresses does Research Organization of Information and Systems, National Institute of Informatics own?

Research Organization of Information and Systems, National Institute of Informatics controls 8.77M IPv4 addresses distributed across 476 CIDR ranges. The organization is registered in Japan.

What ASNs does Research Organization of Information and Systems, National Institute of Informatics operate?

Research Organization of Information and Systems, National Institute of Informatics operates 1 Autonomous System. Each ASN represents an independently routed network that Research Organization of Information and Systems, National Institute of Informatics manages for internet traffic delivery.

What type of organization is Research Organization of Information and Systems, National Institute of Informatics?

Research Organization of Information and Systems, National Institute of Informatics is categorized as academic. This classification is based on the organization's primary use of its IP address allocations.

Last updated: 2026-07-28 16:10:31 UTC
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