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自律システム

AS2907

Research Organization of Information and Systems, National Institute of Informatics

Research Organization of Information and Systems, National Institute of Informatics Japan 🌐 sinet.ad.jp
アナウンスされたIP数
8,769,792
CIDRプレフィックス
480
ASN
AS2907

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 →

Network profile

Source: PeeringDB →
Network type Educational/Research
Geographic scope Asia Pacific
Traffic ratio Heavy Inbound
Peering policy Selective
IRR record JPIRR::AS2907:AS-SINET

Present at 7 internet exchanges: JPNAP Osaka, JPIX OSAKA, JPIX TOKYO, JPNAP Tokyo: Peering, BBIX Tokyo, BBIX Osaka, Equinix Tokyo

Website ↗

Web3 footprint

AS2907 hosts 1 observed decentralized-network node across 1 network. It’s a neutral signal — it does not affect the reputation score. See the full web3 node map.

IPFS IPFS 1

AS2907 — グローバルIPフットプリント

ASがある都市2907 測定可能なIPv4割り当てがあります。任意の点をクリックすると、その都市のページが開きます。サイズと色はIP数に応じて変化します。

3D地球儀で表示 →

トップCIDR範囲

CIDRIP数PTR Density組織国StateCity
133.14.0.0/15 131.1K
16.4%
Research Organization of Information and Systems, National Institute of Informatics JP Aichi Toyohashi
133.16.0.0/15 131.1K
1.0%
Research Organization of Information and Systems, National Institute of Informatics JP Fukuoka Fukuoka
133.20.0.0/15 131.1K
3.1%
Research Organization of Information and Systems, National Institute of Informatics JP Tokyo Nishisugamo
133.34.0.0/15 131.1K
60.2%
Research Organization of Information and Systems, National Institute of Informatics JP Niigata Hakusan'ura
133.38.0.0/15 131.1K
0.8%
Research Organization of Information and Systems, National Institute of Informatics JP Saitama Sakawa
133.44.0.0/15 131.1K
7.9%
Research Organization of Information and Systems, National Institute of Informatics JP Niigata Nagaoka
133.48.0.0/15 131.1K
13.8%
Research Organization of Information and Systems, National Institute of Informatics JP Aichi Okazaki
133.62.0.0/15 131.1K
6.3%
Research Organization of Information and Systems, National Institute of Informatics JP Yamaguchi Ube
133.72.0.0/15 131.1K
6.5%
Research Organization of Information and Systems, National Institute of Informatics JP Tokyo Shinjuku
133.82.0.0/15 131.1K
0.6%
Research Organization of Information and Systems, National Institute of Informatics JP Chiba Chiba
133.84.0.0/15 131.1K
0.0%
Research Organization of Information and Systems, National Institute of Informatics JP — —
133.94.0.0/15 131.1K
2.7%
Research Organization of Information and Systems, National Institute of Informatics JP Kumamoto Kurokami
133.98.0.0/15 131.1K
0.2%
Research Organization of Information and Systems, National Institute of Informatics JP Tokyo Sumida City
133.102.0.0/15 131.1K
0.2%
Research Organization of Information and Systems, National Institute of Informatics JP Shiga Hikone
150.42.0.0/15 131.1K
9.6%
Research Organization of Information and Systems, National Institute of Informatics JP Fukuoka Kamikatsuki
160.28.0.0/15 131.1K
13.2%
Research Organization of Information and Systems, National Institute of Informatics JP Miyagi Sendai
163.214.0.0/15 131.1K
20.1%
Research Organization of Information and Systems, National Institute of Informatics JP Aichi Nagoya
130.34.0.0/16 65.5K
14.1%
Research Organization of Information and Systems, National Institute of Informatics JP Miyagi Sendai
130.153.0.0/16 65.5K
0.9%
Research Organization of Information and Systems, National Institute of Informatics JP Tokyo Tokyo
131.206.0.0/16 65.5K
2.9%
Research Organization of Information and Systems, National Institute of Informatics JP Fukuoka Iizuka
133.7.0.0/16 65.5K
0.7%
Research Organization of Information and Systems, National Institute of Informatics JP Fukui Asuwa
133.8.0.0/16 65.5K
0.5%
Research Organization of Information and Systems, National Institute of Informatics JP Gunma Isesaki
133.10.0.0/16 65.5K
0.3%
Research Organization of Information and Systems, National Institute of Informatics JP Tokyo Tokyo
133.12.0.0/16 65.5K
0.2%
Research Organization of Information and Systems, National Institute of Informatics JP Tokyo Shinjuku
133.23.0.0/16 65.5K
1.0%
Research Organization of Information and Systems, National Institute of Informatics JP Yamanashi Kofu
133.29.0.0/16 65.5K
1.0%
Research Organization of Information and Systems, National Institute of Informatics JP Aichi Nagoya
133.30.0.0/16 65.5K
4.9%
Research Organization of Information and Systems, National Institute of Informatics JP Hyōgo Kobe
133.35.0.0/16 65.5K
0.0%
Research Organization of Information and Systems, National Institute of Informatics JP Niigata Hakusan'ura
133.37.0.0/16 65.5K
1.9%
Research Organization of Information and Systems, National Institute of Informatics JP Oita Ōita
133.46.0.0/16 65.5K
0.2%
Research Organization of Information and Systems, National Institute of Informatics JP Tokyo Nukuiminamicho
133.52.0.0/16 65.5K
43.6%
Research Organization of Information and Systems, National Institute of Informatics JP Fukushima Fukushima
133.55.0.0/16 65.5K
35.6%
Research Organization of Information and Systems, National Institute of Informatics JP Toyama Imizu Shi
133.57.0.0/16 65.5K
10.5%
Research Organization of Information and Systems, National Institute of Informatics JP Tokyo Tachikawa
133.58.0.0/16 65.5K
4.7%
Research Organization of Information and Systems, National Institute of Informatics JP — —
133.60.0.0/16 65.5K
3.4%
Research Organization of Information and Systems, National Institute of Informatics JP Aomori Hirosaki
133.65.0.0/16 65.5K
0.6%
Research Organization of Information and Systems, National Institute of Informatics JP Tokyo Tokyo
133.68.0.0/16 65.5K
15.6%
Research Organization of Information and Systems, National Institute of Informatics JP Aichi Moriyama Ku
133.77.0.0/16 65.5K
0.0%
Research Organization of Information and Systems, National Institute of Informatics JP — —
133.78.0.0/16 65.5K
5.7%
Research Organization of Information and Systems, National Institute of Informatics JP Kanagawa Kamiyabechō
133.81.0.0/16 65.5K
0.1%
Research Organization of Information and Systems, National Institute of Informatics JP Fukuoka Wakamiya
133.86.0.0/16 65.5K
1.2%
Research Organization of Information and Systems, National Institute of Informatics JP Tokyo Higashiōizumi
133.89.0.0/16 65.5K
10.1%
Research Organization of Information and Systems, National Institute of Informatics JP Osaka Kadoma
133.96.0.0/16 65.5K
0.2%
Research Organization of Information and Systems, National Institute of Informatics JP Aichi Kariya
133.104.0.0/16 65.5K
0.9%
Research Organization of Information and Systems, National Institute of Informatics JP — —
133.187.0.0/16 65.5K
0.0%
Research Organization of Information and Systems, National Institute of Informatics JP Kanagawa Yokosuka
133.220.0.0/16 65.5K
0.1%
Research Organization of Information and Systems, National Institute of Informatics JP Chiba Matsudo
136.187.0.0/16 65.5K
2.1%
Research Organization of Information and Systems, National Institute of Informatics JP Tokyo Chiyoda City
144.213.0.0/16 65.5K
0.0%
Research Organization of Information and Systems, National Institute of Informatics JP Chiba Matsudo
147.157.0.0/16 65.5K
0.0%
Research Organization of Information and Systems, National Institute of Informatics JP Ibaraki Tsukuba
150.7.0.0/16 65.5K
0.0%
Research Organization of Information and Systems, National Institute of Informatics JP Kanagawa Hadano
150.12.0.0/16 65.5K
0.2%
Research Organization of Information and Systems, National Institute of Informatics JP Hyōgo Himeji
150.15.0.0/16 65.5K
0.0%
Research Organization of Information and Systems, National Institute of Informatics JP — —
150.46.0.0/16 65.5K
1.6%
Research Organization of Information and Systems, National Institute of Informatics JP Okayama Okayama
150.54.0.0/16 65.5K
0.0%
Research Organization of Information and Systems, National Institute of Informatics JP Miyagi Miyagi Gun
150.59.0.0/16 65.5K
6.0%
Research Organization of Information and Systems, National Institute of Informatics JP Tokushima Tokushima
150.69.0.0/16 65.5K
5.1%
Research Organization of Information and Systems, National Institute of Informatics JP Fukuoka Kitakyushu
150.83.0.0/16 65.5K
1.7%
Research Organization of Information and Systems, National Institute of Informatics JP Hokkaido Sapporo
150.84.0.0/16 65.5K
1.7%
Research Organization of Information and Systems, National Institute of Informatics JP Hyōgo Kobe
150.86.0.0/16 65.5K
0.3%
Research Organization of Information and Systems, National Institute of Informatics JP Osaka Yao
150.89.0.0/16 65.5K
87.1%
Research Organization of Information and Systems, National Institute of Informatics JP Nara Ichibuchō
150.97.0.0/16 65.5K
0.4%
Research Organization of Information and Systems, National Institute of Informatics JP Hokkaido Kitami
150.99.0.0/16 65.5K
10.2%
Research Organization of Information and Systems, National Institute of Informatics JP Saitama Higashimatsuyama Shi
150.100.0.0/16 65.5K
0.4%
Research Organization of Information and Systems, National Institute of Informatics JP Tokyo Minato
157.1.0.0/16 65.5K
0.4%
Research Organization of Information and Systems, National Institute of Informatics JP — —
157.6.0.0/16 65.5K
0.1%
Research Organization of Information and Systems, National Institute of Informatics JP Fukui Katsuyama
157.13.0.0/16 65.5K
0.0%
Research Organization of Information and Systems, National Institute of Informatics JP Fukuoka Iizuka
157.16.0.0/16 65.5K
4.5%
Research Organization of Information and Systems, National Institute of Informatics JP — —
157.19.0.0/16 65.5K
0.3%
Research Organization of Information and Systems, National Institute of Informatics JP Hokkaido Muroran
157.63.0.0/16 65.5K
0.0%
Research Organization of Information and Systems, National Institute of Informatics JP Tokyo Adachi City
157.76.0.0/16 65.5K
96.3%
Research Organization of Information and Systems, National Institute of Informatics JP — —
157.80.0.0/16 65.5K
1.0%
Research Organization of Information and Systems, National Institute of Informatics JP Ibaraki Mito
157.102.0.0/16 65.5K
1.7%
Research Organization of Information and Systems, National Institute of Informatics JP — —
157.105.0.0/16 65.5K
0.1%
Research Organization of Information and Systems, National Institute of Informatics JP Tokyo Kokubunji
157.111.0.0/16 65.5K
0.1%
Research Organization of Information and Systems, National Institute of Informatics JP — —
157.114.0.0/16 65.5K
0.0%
Research Organization of Information and Systems, National Institute of Informatics JP — —
158.203.0.0/16 65.5K
0.2%
Research Organization of Information and Systems, National Institute of Informatics JP — —
158.208.0.0/16 65.5K
0.0%
Research Organization of Information and Systems, National Institute of Informatics JP Hokkaido Obihiro
158.210.0.0/16 65.5K
0.2%
Research Organization of Information and Systems, National Institute of Informatics JP Ibaraki Tsukuba
158.215.0.0/16 65.5K
4.7%
Research Organization of Information and Systems, National Institute of Informatics JP Akita Akita
160.11.0.0/16 65.5K
0.7%
Research Organization of Information and Systems, National Institute of Informatics JP Kyoto Jōyō
160.12.0.0/16 65.5K
0.8%
Research Organization of Information and Systems, National Institute of Informatics JP Tochigi Utsunomiya
160.15.0.0/16 65.5K
0.2%
Research Organization of Information and Systems, National Institute of Informatics JP Tottori Yonago
160.190.0.0/16 65.5K
0.0%
Research Organization of Information and Systems, National Institute of Informatics JP Tokyo Chuo
160.193.0.0/16 65.5K
7.9%
Research Organization of Information and Systems, National Institute of Informatics JP Osaka Oriono
160.194.0.0/16 65.5K
2.3%
Research Organization of Information and Systems, National Institute of Informatics JP Tokyo Tama
160.198.0.0/16 65.5K
25.5%
Research Organization of Information and Systems, National Institute of Informatics JP Fukuoka Kitakyushu
160.204.0.0/16 65.5K
0.0%
Research Organization of Information and Systems, National Institute of Informatics JP — —
160.247.0.0/16 65.5K
0.2%
Research Organization of Information and Systems, National Institute of Informatics JP Hyōgo Motoyamaminamimachi
160.252.0.0/16 65.5K
0.3%
Research Organization of Information and Systems, National Institute of Informatics JP Nagano Matsumoto
163.42.0.0/16 65.5K
0.1%
Research Organization of Information and Systems, National Institute of Informatics JP — —
163.51.0.0/16 65.5K
12.4%
Research Organization of Information and Systems, National Institute of Informatics JP Osaka Ōnodai
163.54.0.0/16 65.5K
0.0%
Research Organization of Information and Systems, National Institute of Informatics JP — —
163.130.0.0/16 65.5K
95.7%
Research Organization of Information and Systems, National Institute of Informatics JP Hokkaido Chūō Ku
163.134.0.0/16 65.5K
0.0%
Research Organization of Information and Systems, National Institute of Informatics JP — —
163.136.0.0/16 65.5K
0.2%
Research Organization of Information and Systems, National Institute of Informatics JP Kanagawa Kawasaki
163.143.0.0/16 65.5K
4.8%
Research Organization of Information and Systems, National Institute of Informatics JP Fukushima Aizu-wakamatsu Shi
163.145.0.0/16 65.5K
0.6%
Research Organization of Information and Systems, National Institute of Informatics JP Okayama Asakuchi Shi
163.148.0.0/16 65.5K
0.0%
Research Organization of Information and Systems, National Institute of Informatics JP Kanagawa Kamiseyachō
163.209.0.0/16 65.5K
0.8%
Research Organization of Information and Systems, National Institute of Informatics JP Kagoshima Kagoshima
163.212.0.0/16 65.5K
0.3%
Research Organization of Information and Systems, National Institute of Informatics JP Kanagawa Yokohama

BGPアナウンス済みプレフィックス

ライブBGP異常 →

プレフィックス AS2907 BGPで実際に発信され、当社のRIPE RISコレクター全体で観測されています。このライブルーティングビューは、上記のレジストリ割り当てとは異なる場合があります。

Prefixアナウンスサンプル最終確認
202.250.238.0/23 47,259 2026-09-11 02:23:26
133.37.0.0/16 41,781 2026-09-11 02:23:26
202.253.88.0/22 41,179 2026-09-11 02:23:26
160.238.32.0/24 40,031 2026-09-11 02:23:25
160.238.3.0/24 40,018 2026-09-11 02:23:25
160.238.4.0/24 40,018 2026-09-11 02:23:25
160.238.100.0/24 40,013 2026-09-11 02:23:25
160.238.40.0/24 40,002 2026-09-11 02:23:25
160.238.51.0/24 39,998 2026-09-11 02:23:25
160.238.6.0/24 39,993 2026-09-11 02:23:25
160.238.9.0/24 39,991 2026-09-11 02:23:25
160.238.10.0/24 39,990 2026-09-11 02:23:25
160.238.1.0/24 39,988 2026-09-11 02:23:25
160.238.62.0/24 39,980 2026-09-11 02:23:25
160.238.56.0/24 39,974 2026-09-11 02:23:25
160.238.8.0/24 39,970 2026-09-11 02:23:25
160.238.7.0/24 39,965 2026-09-11 02:23:25
160.238.30.0/24 39,962 2026-09-11 02:23:25
160.238.5.0/24 39,958 2026-09-11 02:23:25
160.238.20.0/24 39,919 2026-09-11 02:23:25
160.238.2.0/24 39,889 2026-09-11 02:23:25
202.34.192.0/20 29,059 2026-09-11 02:23:25
202.252.246.0/24 20,448 2026-09-11 02:23:26
202.26.144.0/20 20,298 2026-09-11 02:23:25
163.215.0.0/16 18,259 2026-09-11 02:23:25
163.136.0.0/16 16,448 2026-09-11 02:23:25
202.11.138.0/24 16,414 2026-09-11 02:23:25
202.244.52.0/22 16,141 2026-09-11 02:23:26
202.244.76.0/22 16,127 2026-09-11 02:23:26
202.243.163.0/24 15,424 2026-09-11 02:23:26
160.237.192.0/18 15,411 2026-09-11 02:23:25
160.237.0.0/18 15,369 2026-09-11 02:23:25
202.16.122.0/23 15,157 2026-09-11 02:23:25
160.18.128.0/24 15,012 2026-09-11 02:23:25
133.220.0.0/16 14,952 2026-09-11 02:23:25
163.148.0.0/16 14,909 2026-09-11 02:23:25
202.16.128.0/20 14,628 2026-09-11 02:23:25
202.220.72.0/22 14,367 2026-09-11 02:23:34
202.213.24.0/23 14,312 2026-09-11 02:23:34
202.243.222.0/24 14,292 2026-09-11 02:23:34
202.25.86.0/23 14,197 2026-09-11 02:23:25
160.28.218.0/23 14,188 2026-09-11 02:23:25
160.28.214.0/23 14,185 2026-09-11 02:23:25
160.28.202.0/23 14,175 2026-09-11 02:23:25
160.28.222.0/23 14,174 2026-09-11 02:23:25
160.28.212.0/23 14,170 2026-09-11 02:23:25
160.28.226.0/23 14,169 2026-09-11 02:23:25
160.28.204.0/23 14,168 2026-09-11 02:23:25
160.28.206.0/23 14,161 2026-09-11 02:23:25
160.28.208.0/23 14,149 2026-09-11 02:23:25

上位を表示 50 of 668 サンプル量によるアナウンス済みプレフィックス。

Frequently Asked Questions

AS2907とは何ですか？

AS2907はResearch Organization of Information and Systems, National Institute of Informaticsに割り当てられた自律システム番号です。ASNは、特定のIPアドレスセットを制御し、BGP（Border Gateway Protocol）を介してインターネット上でトラフィックがどのようにルーティングされるかを決定するネットワークを識別します。

AS2907はいくつのIPアドレスをアナウンスしていますか？

AS2907は、480個のルーティングされたCIDRプレフィックスに分散された8.77M個のIPv4アドレスをアナウンスしています。 このネットワークはJapanに登録されています。

AS2907は誰が運営していますか？

AS2907はResearch Organization of Information and Systems, National Institute of Informaticsによって運営されています。 この組織はJapanに拠点を置いています。 組織ページで、すべてのIP範囲と関連するASNを表示できます。

AS2907はどの国に登録されていますか？

AS2907はJapanに登録されています。これはネットワークオペレーターの本社所在地を示しますが、アナウンスするIPアドレスは世界中のユーザーにサービスを提供する場合があります。

最終更新日: 2026-09-11 02:54:05 UTC
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