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Autonomous System

AS7500

WIDE Project

Announced IPs
1,024
CIDR prefixes
4
ASN
AS7500

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.

65/100
Moderate
How this score is built
  • Baseline (neutral) 65
  • Trust score 65 / 100

Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

About WIDE Project

The WIDE Project is an Internet project in Japan founded by Keio University, Tokyo Institute of Technology, and The University of Tokyo that was started in 1985. It runs a major backbone of the Japanese internet and used to run the .jp Top Level Domain (TLD).

Founded
1988

Network profile

Source: PeeringDB →
Network type Non-Profit
Traffic level 20-100Mbps
Geographic scope Global
Traffic ratio Mostly Outbound
Peering policy Open
IRR record AS-M-ROOT

Present at 40 internet exchanges: JPIX OSAKA, NL-ix: Main, SFINX, NSPIXP3, JPNAP Osaka, KINX, Equinix Paris: Equinix IX - PA Metro, DIX-IE, JPIX TOKYO, JPNAP Tokyo: Peering, …

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
202.12.26.0/23 512
0.8%
WIDE Project JP
192.50.45.0/24 256
0.0%
WIDE Project JP
202.12.27.0/24 256
1.6%
WIDE Project JP
202.13.183.0/24 256
0.0%
WIDE Project JP

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS7500 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
202.12.27.0/24 16,273 2026-07-22 19:08:30
202.13.183.0/24 10,701 2026-07-22 19:08:28
202.12.26.0/23 5,624 2026-07-22 19:09:45
192.50.45.0/24 4,548 2026-07-22 19:08:33

Frequently Asked Questions

What is AS7500?

AS7500 is an Autonomous System Number assigned to WIDE Project. 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 AS7500 announce?

AS7500 announces 1.0K IPv4 addresses distributed across 4 routed CIDR prefixes. The network is registered in Japan.

Who operates AS7500?

AS7500 is operated by WIDE Project. The organization is based in Japan. You can view all IP ranges and related ASNs on the organization page.

What country is AS7500 registered in?

AS7500 is registered in Japan. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-22 19:55:31 UTC
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