Who owns this IP address?
Find the company behind any IP address or website, its network number and the country it is registered in.
What this looks up
The internet is a network of networks, and every block of addresses is registered to the organisation that runs it, with a number called an AS number and a country. That registry is public. Type an address, or a website name and we will find its address first, and you get the organisation behind it.
Common things you will see
- Your own provider — if you look up your own address (see what’s my IP).
- A cloud or hosting company — most websites live on rented servers, so the owner is the host, not the site.
- A content network — big sites sit behind services that answer from many places at once, so the address you get may belong to that service.
- A private address — anything starting with 10., 192.168. or 172.16–31 lives inside a home or office and has no public owner.
What it will not tell you
Who a person is. The registry names organisations only. It is useful for understanding a connection, checking where a suspicious email really came from, or seeing which provider a device on your network is talking to, not for identifying individuals.
Questions people ask
Where does this information come from?
From the public routing registry that every network on the internet is listed in. Each block of addresses is registered to an organisation with a network (AS) number and a country. We look that up and show it in plain words.
Can this tell me who a person is?
No. It identifies the company that owns the address block, such as a provider, a hosting company or a large website. It never shows a person, a street address or an account.
Why does it say "private address"?
Addresses starting with 10., 192.168. or 172.16 to 172.31 are used inside home and office networks and are not routed on the public internet, so they have no public owner. Your router, printer and phone all have private addresses like these.
What is an AS number?
An Autonomous System number identifies one organisation’s network on the internet. Big providers, cloud companies and universities each have their own. It is how the internet knows where to send traffic for a given address.
More free tools
What's my IP
Your public internet address, the provider it belongs to and where the internet thinks you are — instantly.
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Which ISP am I on
Find out who actually provides the internet you are using right now, read from the connection itself.
Want the full picture of your Wi-Fi?
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