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Autonomous System

AS7522

STNet, Incorporated

Announced IPs
594,944
CIDR prefixes
51
ASN
AS7522

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.

69/100
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 NSP
Traffic level 500-1000Gbps
Geographic scope Regional
Traffic ratio Heavy Inbound
Peering policy Selective
IRR record AS-STCN

Present at 14 internet exchanges: JPNAP Osaka, JPIX TOKYO, JPNAP Tokyo: Peering, JPIX OSAKA, Equinix Tokyo, BBIX Tokyo, Any2West, BBIX Amsterdam, BBIX US-West, BBIX Osaka, …

AS7522 — global IP footprint

Cities where AS7522 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
123.230.0.0/16 65.5K
29.3%
STNet, Incorporated JP Kagawa Takamatsu
133.123.0.0/16 65.5K
94.1%
STNet, Incorporated JP Ehime Matsuyama
150.52.0.0/16 65.5K
0.0%
STNet, Incorporated JP
183.176.0.0/16 65.5K
93.9%
STNet, Incorporated JP Kagawa Takamatsu
101.1.128.0/17 32.8K
93.6%
STNet, Incorporated JP Tokushima Tokushima
115.30.128.0/17 32.8K
97.7%
STNet, Incorporated JP Kochi Kochi
115.31.0.0/18 16.4K
77.6%
STNet, Incorporated JP Kagawa Takamatsu
123.254.0.0/18 16.4K
98.1%
STNet, Incorporated JP Ehime Matsuyama
125.215.64.0/18 16.4K
91.0%
STNet, Incorporated JP Tokushima Tokushima
27.134.128.0/19 8.2K
98.1%
STNet, Incorporated JP Tokushima Tokushima
110.2.192.0/19 8.2K
98.3%
STNet, Incorporated JP Kagawa Takamatsu
119.150.0.0/19 8.2K
97.9%
STNet, Incorporated JP Kochi Kochi
122.129.160.0/19 8.2K
98.8%
STNet, Incorporated JP Kochi Kochi
122.145.64.0/19 8.2K
98.5%
STNet, Incorporated JP Kochi Kochi
122.248.64.0/19 8.2K
98.9%
STNet, Incorporated JP Kagawa Takamatsu
175.103.224.0/19 8.2K
98.5%
STNet, Incorporated JP Tokushima Tokushima
203.112.32.0/19 8.2K
73.1%
STNet, Incorporated JP Kochi Kochi
203.139.192.0/19 8.2K
48.0%
STNet, Incorporated JP Tokushima Tokushima
210.142.224.0/19 8.2K
62.7%
STNet, Incorporated JP Tokushima Tokushima
210.157.224.0/19 8.2K
28.8%
STNet, Incorporated JP Ehime Imabari
211.7.224.0/19 8.2K
69.5%
STNet, Incorporated JP Kochi Kochi
211.132.64.0/19 8.2K
96.8%
STNet, Incorporated JP Ehime Matsuyama
219.109.96.0/19 8.2K
92.6%
STNet, Incorporated JP Kagawa Takamatsu
219.124.160.0/19 8.2K
97.6%
STNet, Incorporated JP Ehime Matsuyama
220.208.0.0/19 8.2K
98.4%
STNet, Incorporated JP Ehime Horiechō
27.120.144.0/20 4.1K
91.0%
STNet, Incorporated JP Tokushima Tokushima
27.120.160.0/20 4.1K
89.8%
STNet, Incorporated JP Kagawa Takamatsu
27.133.48.0/20 4.1K
96.9%
STNet, Incorporated JP Kagawa Takamatsu
27.134.160.0/20 4.1K
96.7%
STNet, Incorporated JP Kochi Kochi
36.52.96.0/20 4.1K
95.0%
STNet, Incorporated JP Tokushima Tokushima
36.53.240.0/20 4.1K
93.4%
STNet, Incorporated JP Kochi Tosayamadachō-nakano
59.156.144.0/20 4.1K
97.4%
STNet, Incorporated JP Ehime Matsuyama
61.206.0.0/20 4.1K
83.5%
STNet, Incorporated JP Ehime Matsuyama
61.215.240.0/20 4.1K
98.6%
STNet, Incorporated JP Kagawa Takamatsu
119.150.240.0/20 4.1K
98.7%
STNet, Incorporated JP Tokushima Tokushima
122.145.48.0/20 4.1K
98.2%
STNet, Incorporated JP Kochi Kochi
122.145.96.0/20 4.1K
98.3%
STNet, Incorporated JP Kagawa Takamatsu
202.67.16.0/20 4.1K
96.3%
STNet, Incorporated JP Ehime Matsuyama
202.70.208.0/20 4.1K
50.8%
STNet, Incorporated JP Kochi Kochi
202.84.80.0/20 4.1K
49.8%
STNet, Incorporated JP Ehime Imabari
210.159.176.0/20 4.1K
95.6%
STNet, Incorporated JP Kagawa Takamatsu
218.40.112.0/20 4.1K
80.5%
STNet, Incorporated JP Kagawa Takamatsu
218.231.48.0/20 4.1K
67.5%
STNet, Incorporated JP Ehime Imabari
219.106.160.0/20 4.1K
88.7%
STNet, Incorporated JP Kagawa Takamatsu
220.150.48.0/20 4.1K
98.5%
STNet, Incorporated JP Kagawa Takamatsu
202.255.16.0/21 2.0K
94.5%
STNet, Incorporated JP Tokushima Miyoshi Shi
103.3.12.0/22 1.0K
68.6%
STNet, Incorporated JP Tokushima Tokushima
202.11.160.0/22 1.0K
92.4%
STNet, Incorporated JP Tokushima Tokushima
202.240.176.0/23 512
18.6%
STNet, Incorporated JP
202.243.187.0/24 256
2.7%
STNet, Incorporated JP
202.246.114.0/24 256
0.0%
STNet, Incorporated JP

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS7522 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
27.133.48.0/20 5,635 2026-07-23 21:24:11
27.134.128.0/19 5,574 2026-07-23 21:24:11
27.134.160.0/20 5,572 2026-07-23 21:24:11
36.53.240.0/20 5,483 2026-07-23 21:24:11
210.142.224.0/19 5,466 2026-07-23 21:24:11
203.112.32.0/19 5,456 2026-07-23 21:24:11
27.120.144.0/20 5,456 2026-07-23 21:24:11
27.120.160.0/20 5,446 2026-07-23 21:24:11
115.31.0.0/18 5,440 2026-07-23 21:24:11
133.123.0.0/16 5,436 2026-07-23 21:24:11
36.52.96.0/20 5,423 2026-07-23 21:24:11
183.176.0.0/16 5,414 2026-07-23 21:24:11
219.124.160.0/19 5,409 2026-07-23 21:24:11
175.103.224.0/19 5,376 2026-07-23 21:24:11
202.246.114.0/24 5,365 2026-07-23 21:24:11
210.159.176.0/20 5,362 2026-07-23 21:24:11
202.11.160.0/22 5,356 2026-07-23 21:24:11
123.230.0.0/16 5,354 2026-07-23 21:24:11
101.1.128.0/17 5,340 2026-07-23 21:24:11
119.150.0.0/20 5,332 2026-07-23 21:24:11
211.7.224.0/19 5,330 2026-07-23 21:24:11
220.208.0.0/19 5,321 2026-07-23 21:24:11
202.255.16.0/21 5,286 2026-07-23 21:24:11
202.240.176.0/23 5,273 2026-07-23 21:24:11
219.106.160.0/20 5,273 2026-07-23 21:24:11
202.67.16.0/20 5,266 2026-07-23 21:24:11
218.231.48.0/20 5,265 2026-07-23 21:24:11
220.150.48.0/20 5,261 2026-07-23 21:24:11
219.109.96.0/19 5,253 2026-07-23 21:24:11
202.70.208.0/20 5,251 2026-07-23 21:24:11
203.139.192.0/19 5,248 2026-07-23 21:24:11
218.40.112.0/20 5,243 2026-07-23 21:24:11
61.215.240.0/20 5,239 2026-07-23 21:24:11
202.84.80.0/20 5,239 2026-07-23 21:24:11
119.150.240.0/20 5,234 2026-07-23 21:24:11
110.2.192.0/20 5,233 2026-07-23 21:24:11
59.156.144.0/20 5,232 2026-07-23 21:24:11
150.52.0.0/16 5,225 2026-07-23 21:24:11
125.215.64.0/19 5,216 2026-07-23 21:24:11
211.132.64.0/19 5,213 2026-07-23 21:24:11
210.157.224.0/19 5,211 2026-07-23 21:24:11
122.145.64.0/19 5,201 2026-07-23 21:24:11
202.243.187.0/24 5,201 2026-07-23 21:24:11
122.145.96.0/20 5,201 2026-07-23 21:24:11
61.206.0.0/20 5,197 2026-07-23 21:24:11
115.30.128.0/17 5,190 2026-07-23 21:24:11
125.215.96.0/19 5,180 2026-07-23 21:24:11
119.150.16.0/20 5,180 2026-07-23 21:24:11
110.2.208.0/20 5,178 2026-07-23 21:24:11
103.3.12.0/22 5,163 2026-07-23 21:24:11

Showing top 50 of 55 announced prefixes by sample volume.

Frequently Asked Questions

What is AS7522?

AS7522 is an Autonomous System Number assigned to STNet, Incorporated. 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 AS7522 announce?

AS7522 announces 594.9K IPv4 addresses distributed across 51 routed CIDR prefixes. The network is registered in Japan.

Who operates AS7522?

AS7522 is operated by STNet, Incorporated. The organization is based in Japan. You can view all IP ranges and related ASNs on the organization page.

What country is AS7522 registered in?

AS7522 is registered in Japan. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-23 23:40:31 UTC
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