ISP & ASN Lookup – Complete List of Networks

Every IP address on the internet belongs to an organization, known as an ISP (Internet Service Provider) or ASN (Autonomous System Number).

This page lists major ISPs and their ASN details, including companies like Google, Cloudflare, Amazon, and telecom providers worldwide.

👉 Use this hub to explore who owns specific IP ranges and how internet traffic is routed.


🔎 What is an ASN?

An ASN (Autonomous System Number) is a unique identifier assigned to a network or organization on the internet.

Each ASN controls a group of IP address ranges and is used to route traffic globally.

For example:

  • AS15169 → Google
  • AS13335 → Cloudflare

🌐 Browse ISPs by ASN

Major Technology Companies


Telecom & Internet Providers


Hosting & Infrastructure Providers


Asian Telecom Providers


Other Networks


🔗 How to Use This Page

  • Click any ISP to view its ASN details
  • See IP ranges owned by each network
  • Understand which company controls an IP address
  • Navigate to individual IP pages for deeper insights

🔐 Why ASN & ISP Data Matters

Understanding IP ownership helps you:

  • Identify who owns an IP address
  • Troubleshoot network and DNS issues
  • Detect hosting providers or CDNs
  • Improve privacy and security awareness

🧠 Related Tools

👉 Check your IP address – https://tools.examineip.com/

👉 IP Lookup Tool – https://examineip.com/ip-lookup/

👉 Internet Errors Guide – https://examineip.com/internet-errors/

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