Do the following checks on your IP address with just one click! What is an IP address? Every computer connected to the Internet has a unique identifier called an IP address.
On many networks, the IP address of a computer is always the same.
On other networks, a random IP address is assigned each time a computer connects to the network.


- DNS Lookup (IP Lookup)The DNS lookup converts a host name to Internet IP address of the form xxx.xxx.xxx.xxx.
- Reverse DNS Lookup (reverse IP Lookup)The DNS reverse lookup converts an Internet IP address to host name (useful to identify the domain name of a spammer sending you spam email).
- General Proxy LookupThe proxy lookup detects whether you are using a proxy server and shows the proxy host/type information and your actual IP address ("forwarded for" IP), if available. (for a detailed proxy check, visit www.proxychecking.com)
- Geographic IP Location (IP to Country)The geographic IP location discovers the origin country of an IP address.
- IP WhoisThe IP whois allows you to find out who an IP address belongs to.
- RBL (Realtime Block List) LookupThe blocklist lookup allows you to find whether an IP address is listed in the following public blocking lists: SpamCop, SBL, XBL, DSBL, CBL, NJABL and SORBS.

Webmasters: Put an IP Lookup on your website! Just copy & paste the following code for this sample.

This is a free service provided as-is without any warranty. Feel free to use it, but please limit lookups to less than 10 per 10 minute period. Thank you!