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Autonomous System

AS18126

Chubu Telecommunications Company, Inc.

Announced IPs
1,505,536
CIDR prefixes
46
ASN
AS18126

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.

70/100
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 Cable/DSL/ISP
Traffic level 1-5Tbps
Geographic scope Regional
Traffic ratio Mostly Inbound
Peering policy Open
IRR record JPIRR::AS-CTCX

Present at 8 internet exchanges: JPIX TOKYO, JPIX OSAKA, BBIX Tokyo, JPNAP Tokyo: Peering, JPNAP Osaka, BBIX Osaka, Equinix Osaka, Equinix Tokyo

Web3 footprint

AS18126 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.

AS18126 — global IP footprint

Cities where AS18126 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

CIDRIPsPTR DensityOrganizationCountryStateCity
115.36.0.0/14 262.1K
75.2%
Chubu Telecommunications Company, Inc. JP Gifu Ōgaki
180.196.0.0/14 262.1K
74.6%
Chubu Telecommunications Company, Inc. JP Aichi Toyota
14.132.0.0/15 131.1K
74.2%
Chubu Telecommunications Company, Inc. JP Aichi Komaki
118.104.0.0/15 131.1K
72.9%
Chubu Telecommunications Company, Inc. JP Aichi Anjo
59.130.0.0/16 65.5K
79.7%
Chubu Telecommunications Company, Inc. JP Nagano Nagano
113.155.0.0/16 65.5K
75.6%
Chubu Telecommunications Company, Inc. JP Gifu Kani
118.106.0.0/16 65.5K
75.4%
Chubu Telecommunications Company, Inc. JP Gifu Ōgaki
123.48.0.0/16 65.5K
77.2%
Chubu Telecommunications Company, Inc. JP Aichi Nagoya
124.18.0.0/16 65.5K
79.1%
Chubu Telecommunications Company, Inc. JP Aichi Nagoya
163.46.0.0/16 65.5K
0.0%
Chubu Telecommunications Company, Inc. JP Aichi Nagoya
219.8.0.0/16 65.5K
75.6%
Chubu Telecommunications Company, Inc. JP Shizuoka Fuji
222.9.0.0/16 65.5K
79.9%
Chubu Telecommunications Company, Inc. JP Aichi Okazaki
59.130.0.0/17 32.8K
80.1%
Chubu Telecommunications Company, Inc. JP Nagano Nagano
123.1.0.0/17 32.8K
81.9%
Chubu Telecommunications Company, Inc. JP Shizuoka Hamamatsu
150.49.0.0/17 32.8K
0.2%
Chubu Telecommunications Company, Inc. JP
223.29.0.0/17 32.8K
38.7%
Chubu Telecommunications Company, Inc. JP Aichi Nagoya
150.49.128.0/18 16.4K
0.6%
Chubu Telecommunications Company, Inc. JP
150.49.192.0/19 8.2K
0.0%
Chubu Telecommunications Company, Inc. JP Aichi Nagano
202.142.224.0/19 8.2K
83.2%
Chubu Telecommunications Company, Inc. JP Aichi Nagoya
14.192.32.0/20 4.1K
47.3%
Chubu Telecommunications Company, Inc. JP Aichi Kasugai
133.88.240.0/20 4.1K
6.1%
Chubu Telecommunications Company, Inc. JP Aichi Nagoya
150.49.224.0/20 4.1K
0.0%
Chubu Telecommunications Company, Inc. JP
202.41.208.0/20 4.1K
32.4%
Chubu Telecommunications Company, Inc. JP Shizuoka Shizuoka
202.62.160.0/20 4.1K
88.6%
Chubu Telecommunications Company, Inc. JP Aichi Nagoya
202.124.0.0/20 4.1K
0.0%
Chubu Telecommunications Company, Inc. JP Nagano Ikuta
202.124.208.0/20 4.1K
54.2%
Chubu Telecommunications Company, Inc. JP Aichi Nagoya
203.129.112.0/20 4.1K
53.4%
Chubu Telecommunications Company, Inc. JP Shizuoka Hamamatsu
210.173.144.0/20 4.1K
79.0%
Chubu Telecommunications Company, Inc. JP Aichi Nagoya
218.216.176.0/20 4.1K
37.5%
Chubu Telecommunications Company, Inc. JP Aichi Nagoya
219.117.32.0/20 4.1K
73.7%
Chubu Telecommunications Company, Inc. JP Aichi Nagoya
112.137.56.0/21 2.0K
63.8%
Chubu Telecommunications Company, Inc. JP Aichi Nagoya
133.88.232.0/21 2.0K
0.0%
Chubu Telecommunications Company, Inc. JP Aichi Nagoya
150.49.240.0/21 2.0K
0.1%
Chubu Telecommunications Company, Inc. JP Aichi Nagoya
202.150.48.0/21 2.0K
27.0%
Chubu Telecommunications Company, Inc. JP Aichi Nagoya
45.114.16.0/22 1.0K
82.9%
Chubu Telecommunications Company, Inc. JP Aichi Nagoya
45.119.164.0/22 1.0K
80.4%
Chubu Telecommunications Company, Inc. JP Aichi Nagoya
103.2.20.0/22 1.0K
79.1%
Chubu Telecommunications Company, Inc. JP Aichi Nagoya
103.41.136.0/22 1.0K
96.8%
Chubu Telecommunications Company, Inc. JP Aichi Nagoya
103.44.84.0/22 1.0K
95.9%
Chubu Telecommunications Company, Inc. JP Aichi Nagoya
103.64.132.0/22 1.0K
0.0%
Chubu Telecommunications Company, Inc. JP Aichi Nagoya
133.88.228.0/22 1.0K
0.0%
Chubu Telecommunications Company, Inc. JP Aichi Nagoya
150.49.248.0/22 1.0K
0.0%
Chubu Telecommunications Company, Inc. JP Aichi Nagoya
203.209.176.0/22 1.0K
93.8%
Chubu Telecommunications Company, Inc. JP Aichi Nagoya
150.49.252.0/23 512
0.0%
Chubu Telecommunications Company, Inc. JP Aichi Nagoya
162.4.98.0/23 512
0.0%
Chubu Telecommunications Company, Inc. JP
133.88.227.0/24 256
0.0%
Chubu Telecommunications Company, Inc. JP Aichi Nagoya

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS18126 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
14.133.0.0/16 12,282 2026-09-10 20:12:38
14.132.0.0/16 11,864 2026-09-10 20:12:38
59.130.0.0/17 11,569 2026-09-10 20:12:39
113.155.0.0/17 11,421 2026-09-10 20:12:39
123.48.0.0/16 11,296 2026-09-10 18:08:23
14.192.32.0/20 11,175 2026-09-10 20:12:38
45.114.16.0/22 11,087 2026-09-10 20:12:39
113.155.128.0/17 11,044 2026-09-10 20:12:39
103.41.136.0/22 10,855 2026-09-10 20:12:39
222.9.128.0/17 10,827 2026-09-10 20:12:39
222.9.0.0/17 10,797 2026-09-10 20:12:39
112.137.56.0/21 10,656 2026-09-10 20:12:38
103.2.20.0/22 10,645 2026-09-10 20:12:38
180.199.0.0/16 10,541 2026-09-10 20:12:38
103.64.134.0/24 10,526 2026-09-10 20:12:38
103.64.135.0/24 10,523 2026-09-10 20:12:38
103.64.132.0/23 10,514 2026-09-10 20:12:38
45.119.164.0/22 10,493 2026-09-10 20:12:39
115.39.0.0/16 10,474 2026-09-10 18:08:35
133.88.232.0/21 10,465 2026-09-10 20:12:39
103.44.84.0/22 10,446 2026-09-10 20:12:39
124.18.0.0/16 10,381 2026-09-10 18:07:51
115.37.0.0/16 10,343 2026-09-10 18:08:35
150.49.244.0/22 10,322 2026-09-10 20:12:39
133.88.227.0/24 10,314 2026-09-10 20:12:39
115.38.0.0/16 10,305 2026-09-10 18:08:35
133.88.228.0/22 10,294 2026-09-10 20:12:39
133.88.248.0/21 10,268 2026-09-10 20:12:39
203.209.176.0/22 10,254 2026-09-10 20:12:38
115.36.0.0/16 10,217 2026-09-10 18:08:35
133.88.240.0/21 10,215 2026-09-10 20:12:39
150.49.248.0/22 10,189 2026-09-10 20:12:39
150.49.0.0/18 10,185 2026-09-10 20:12:39
203.129.112.0/20 10,177 2026-09-10 20:12:38
163.46.0.0/16 10,172 2026-09-10 20:12:39
210.173.144.0/20 10,157 2026-09-10 20:12:38
150.49.96.0/19 10,154 2026-09-10 20:12:39
150.49.240.0/22 10,138 2026-09-10 20:12:39
150.49.64.0/19 10,137 2026-09-10 20:12:39
150.49.128.0/18 10,113 2026-09-10 20:12:39
202.142.224.0/19 10,096 2026-09-10 20:12:38
150.49.224.0/20 10,086 2026-09-10 20:12:39
150.49.192.0/19 10,084 2026-09-10 20:12:39
123.1.64.0/18 10,052 2026-09-10 20:12:38
202.124.0.0/20 10,042 2026-09-10 20:12:38
150.49.252.0/23 10,041 2026-09-10 20:12:39
123.1.0.0/18 10,036 2026-09-10 20:12:38
223.29.0.0/17 10,028 2026-09-10 20:12:38
118.106.0.0/16 10,021 2026-09-10 20:12:38
202.62.160.0/20 10,000 2026-09-10 20:12:38

Showing top 50 of 76 announced prefixes by sample volume.

Frequently Asked Questions

What is AS18126?

AS18126 is an Autonomous System Number assigned to Chubu Telecommunications Company, 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 AS18126 announce?

AS18126 announces 1.51M IPv4 addresses distributed across 46 routed CIDR prefixes. The network is registered in Japan.

Who operates AS18126?

AS18126 is operated by Chubu Telecommunications Company, Inc.. The organization is based in Japan. You can view all IP ranges and related ASNs on the organization page.

What country is AS18126 registered in?

AS18126 is registered in Japan. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-09-10 20:56:06 UTC
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