IP lookup
IP lookup with a Tor and hosting check
Enter an IPv4 or IPv6 address and get its country, its network, whether it is a Tor exit or sits in a cloud or hosting range, and a risk level.
Verdicts describe reachability. They are not compliance checks.
What you get
What you get back
Every field below is in the API response, with the type to expect.
| Field | Type | What it means |
|---|---|---|
ip | string | The address that was checked. |
version | 4 | 6 | IPv4 or IPv6. |
country | string | null | The two-letter country code. There is no city. |
asn | string | null | The autonomous system number of the network. |
as_name | string | null | The network's name. |
as_domain | string | null | The network's domain. |
tor | boolean | true when the address is a Tor exit node. |
datacenter | boolean | true when the address is in a published cloud or hosting range. |
risk | string | low, medium or high. |
reason | string | Why: tor_exit, hosting_range, no_flags or reserved_range. |
Verdicts
A verdict for every row
Read the verdict first. The reason field says how we got there.
| Verdict | What it means | What to do with the row |
|---|---|---|
| Low risk | No Tor or hosting flag was found for this address. | Treat it like any other visitor. Low here means no flag, not a clean record. |
| Medium risk | The address is in a published cloud or hosting range, so it is more likely a server than a person's own connection. | Look closer when you expected a home or office connection, such as at sign-up. Plenty of real traffic comes from hosting ranges. |
| High risk | The address is a Tor exit node. | Decide by your own rules. Tor has legitimate uses, so a flag is a reason to look, not to block. |
Verdicts describe reachability. They are not compliance checks.
How it works
How it works
Four steps, and none of them needs a call with us.
- Step 1
Enter what you want to check
Type a phone number or an IP address in the box at the top of this page. Numbers can be written in any common format.
- Step 2
Pass a quick check
A short Cloudflare check confirms you're a person. It keeps the free tool free and needs no account.
- Step 3
Read the result
A phone number returns whether it is valid, the line type, the carrier, the region and a verdict. An address returns its country, its network and a risk level.
- Step 4
Go further
A free account starts with free credits and no card. Use them on single checks, whole lists or the API.
Limits
What this check cannot tell you
Knowing where a check stops is what lets you trust the part that works.
- An address gives a country, never a city, a street or a person.
- The Tor and hosting flags come from published lists, not from what an address does.
- VPNs and proxies are not detected. An address behind one looks like any other address.
FAQ
Questions about this check
Short answers. If yours is not here, write to support@numberlookup.io.
What do the Tor and hosting flags mean?
Tor means the address is on the Tor Project's public list of exit nodes, which we refresh every hour. Hosting means it falls inside a published range of a cloud or hosting provider, which we refresh every day. Both come from lists. Neither tells you what the address has done.
What does each verdict mean?
Textable is a mobile number, which can be called and texted. Callable is a line that can take calls, such as a landline, a toll-free number or a VoIP number. Invalid is not a working number. Unknown means we could not tell, and you are not charged. A verdict says whether a number can be reached. It says nothing about whether you may contact it.
What am I charged when a result is unknown?
Nothing. A result of unknown costs 0 credits. So does input that is not a phone number at all, an empty row and any error. In a bulk list, duplicate rows are free, and rows that come back unknown are returned to your balance when the list finishes.
How do I get an API key, and what does a call cost?
Create an account, open API keys in your dashboard and make a key. It is shown once, so copy it then. A call to the phone or IP endpoint costs 1 credit, or nothing when the result is unknown or the call fails. New accounts start with free credits and need no card.