Just what it says on the tin - it's a free service with an API that does GeoIP lookups for you. 15k queries/hour before you get cut off. Returns results as JSON, CSV, or XML in addition to returning the external IP of whatever host you're using.
A visual directory, source map, and explorer for OSINT sources and utilities. If you're not sure what you need or what to try, browse the categories until you find something that looks useful.
Github repo for the page: https://github.com/lockfale/OSINT-Framework
A simple service for looking up your IP address. IPv4 and V6. JSON supported. Can check if a given port at your IP is open with a connect-back. Can do GeoIP country and city lookups on your IP.
Designed for use with CLI utils like wget and cURL.
PoC site here: https://ifconfig.co/
Written in Golang. Should be proxyable.
It’s always better to do things right the first time! So why not start with a scheme that can take you all the way from your small suburban office to an underground global headquarters where you torture British spies while patting a white fluffy cat. Start it off right and you never have to make significant changes to it again.
Go to this site and it'll tell you what your IP address and hostname are, what port you connected from, and what web browser you're using.
A website that can extract many different sorts of information pertaining to IP addresses and networks, least of all querying several dozen blacklists to see if an address has been flagged as a spammer's.
A wiki set up by the US Patent Office to better determine whether or not prior art or obviousness apply to patent applications. It would behoove everyone to glance at it occasionally.
An explanation of how the logic being IP routing works in a nutshell. Recommended!
A discussion of reserved netblocks (i.e., RFC 1918 and others which are set aside for specific purposes and as such are not advised for public use).
3703 links, including 185 private