Autonoom Systeem

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

Aangekondigde IPs

8,769,792

CIDR-prefixes

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

Baseline (neutral) 65
Academic allocation +6
Trust score 71 / 100

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 — wereldwijde IP-voetafdruk

Steden waar AS2907 heeft meetbare IPv4-toewijzing. Klik op een punt om de pagina van die stad te openen. Grootte en kleur schalen met het aantal IP's.

Bekijk op 3D-wereldbol →

Top CIDR-bereiken

CIDR	IPs	PTR Density	Organisatie	Land	State	City
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 Aangekondigde Prefixes

Live BGP-anomalieën →

Prefixes AS2907 daadwerkelijk afkomstig uit BGP, waargenomen door onze RIPE RIS-collectoren. Deze live routingweergave kan afwijken van de bovenstaande registry-toewijzing.

Prefix	Aankondigingsvoorbeelden	Laatst gezien
202.250.238.0/23	47,240	2026-09-10 15:33:56
133.37.0.0/16	41,759	2026-09-10 15:33:56
202.253.88.0/22	41,159	2026-09-10 15:33:56
160.238.32.0/24	40,012	2026-09-10 15:33:56
160.238.3.0/24	39,999	2026-09-10 15:33:56
160.238.4.0/24	39,999	2026-09-10 15:33:56
160.238.100.0/24	39,996	2026-09-10 15:33:56
160.238.40.0/24	39,983	2026-09-10 15:33:56
160.238.51.0/24	39,979	2026-09-10 15:33:56
160.238.6.0/24	39,974	2026-09-10 15:33:56
160.238.9.0/24	39,972	2026-09-10 15:33:56
160.238.1.0/24	39,971	2026-09-10 15:33:56
160.238.10.0/24	39,971	2026-09-10 15:33:56
160.238.62.0/24	39,963	2026-09-10 15:33:56
160.238.56.0/24	39,957	2026-09-10 15:33:56
160.238.8.0/24	39,951	2026-09-10 15:33:56
160.238.7.0/24	39,946	2026-09-10 15:33:56
160.238.30.0/24	39,945	2026-09-10 15:33:56
160.238.5.0/24	39,939	2026-09-10 15:33:56
160.238.20.0/24	39,902	2026-09-10 15:33:56
160.238.2.0/24	39,870	2026-09-10 15:33:56
202.34.192.0/20	29,037	2026-09-10 15:33:56
202.252.246.0/24	20,429	2026-09-10 15:33:56
202.26.144.0/20	20,278	2026-09-10 15:33:56
163.215.0.0/16	18,241	2026-09-10 15:33:56
163.136.0.0/16	16,428	2026-09-10 15:33:56
202.11.138.0/24	16,395	2026-09-10 15:33:56
202.244.52.0/22	16,120	2026-09-10 15:33:56
202.244.76.0/22	16,109	2026-09-10 15:33:56
202.243.163.0/24	15,405	2026-09-10 15:33:56
160.237.192.0/18	15,391	2026-09-10 15:33:56
160.237.0.0/18	15,349	2026-09-10 15:33:56
202.16.122.0/23	15,138	2026-09-10 15:33:56
160.18.128.0/24	14,993	2026-09-10 15:33:56
133.220.0.0/16	14,932	2026-09-10 15:33:56
163.148.0.0/16	14,891	2026-09-10 15:33:56
202.16.128.0/20	14,609	2026-09-10 15:33:56
202.220.72.0/22	14,351	2026-09-10 15:34:31
202.213.24.0/23	14,297	2026-09-10 15:34:31
202.243.222.0/24	14,277	2026-09-10 15:34:31
202.25.86.0/23	14,178	2026-09-10 15:33:56
160.28.218.0/23	14,171	2026-09-10 15:33:56
160.28.214.0/23	14,168	2026-09-10 15:33:56
160.28.202.0/23	14,156	2026-09-10 15:33:56
160.28.222.0/23	14,155	2026-09-10 15:33:56
160.28.212.0/23	14,153	2026-09-10 15:33:56
160.28.226.0/23	14,150	2026-09-10 15:33:56
160.28.204.0/23	14,149	2026-09-10 15:33:56
160.28.206.0/23	14,144	2026-09-10 15:33:56
160.28.208.0/23	14,132	2026-09-10 15:33:56

Toon top 50 of 668 aangekondigde prefixes per steekproefvolume.

Frequently Asked Questions

Wat is AS2907?

AS2907 is een Autonomous System Number toegewezen aan Research Organization of Information and Systems, National Institute of Informatics. Een ASN identificeert een netwerk dat een specifieke set IP-adressen beheert en bepaalt hoe verkeer over het internet wordt gerouteerd via BGP (Border Gateway Protocol).

Hoeveel IP-adressen kondigt AS2907 aan?

AS2907 kondigt 8.77M IPv4-adressen aan, verdeeld over 480 gerouteerde CIDR prefixes. Het netwerk is geregistreerd in Japan.

Wie beheert AS2907?

AS2907 wordt beheerd door Research Organization of Information and Systems, National Institute of Informatics. De organisatie is gevestigd in Japan. U kunt alle IP-bereiken en gerelateerde ASNs bekijken op de organisatiepagina.

In welk land is AS2907 geregistreerd?

AS2907 is geregistreerd in Japan. Dit geeft aan waar de netwerkoperator is gevestigd, hoewel de IP-adressen die het aankondigt wereldwijd gebruikers kunnen bedienen.

Laatst bijgewerkt: 2026-09-10 15:39:06 UTC