Whois by IP address
What this tool does
This tool looks up public registration details for a specific internet address (IP address). It returns information about the organization that owns or manages the network range associated with that address, such as the company name, location, and contact details.
Common uses
- Checking the origin of network traffic by identifying the responsible organization.
- Gathering basic contact information for a network owner.
- Verifying the geographical location of an IP address.
Input data
| Parameter | Required | Example | Description |
|---|---|---|---|
ip | Yes | 140.82.118.4 | Enter the internet address in standard format, for example '140.82.118.4'. This field is required. |
Output data
| Field | Description |
|---|---|
network_cidr | The technical name of the network block that includes this IP address, for example '140.82.118.0/24'. |
network_description | A short description of the network block assigned to this IP, for example 'GITHUB'. |
network_name | The official name of the network block, for example 'GITHUB-NET'. |
network_range | The first and last IP addresses in the block that contains this address, for example '140.82.112.0 - 140.82.127.255'. |
organization_address | The street address of the organization managing this IP block, for example '88 Colin P Kelly Jr St'. |
organization_city | The city where the organization is located, for example 'San Francisco'. |
organization_country | The two-letter country code of the organization's location, for example 'US'. |
organization_email | The contact email address for the organization, for example '[email protected]'. |
organization_name | The name of the organization managing this IP block, for example 'GitHub, Inc.'. If no name is found, this field will be empty. |
organization_phone | The contact phone number for the organization, for example '+1-415-713-2200'. If no phone number is found, this field will be empty. |
organization_postal | The postal or zip code for the organization's address, for example '94107'. |
organization_state | The state or region for the organization's address, for example 'California'. |