#Geek tools ip lookup free#
Ke圜DN runs a free lookup tool, complete with an API that you can access it from. There are plenty of these online, with many of them being completely free.
All of this is public and online, and you can check your own address using ARIN’s search tools. You won’t be able to track someone to their house like they do in the movies, but you can easily get city/region information. Within that block, 173.64 through 173.79 was allocated to Verizon for use in the northern Virginia area, which is where our example IP address falls. Allocation of addresses in those blocks are given to more local agencies.įor example, the IP address 173.79.255.255 is part of the 173.0.0.0/8 block, which was given to the American Registry for Internet Numbers (ARIN) in 2008. IANA is in charge of allocating the first number of an IP address, from 0. to. The largest chunks are allocated by the Internet Assigned Numbers Authority (IANA). The number following the slash indicates how many bits are used for the address (in this case, the first 24 bits, which make up the first 3 bytes) and the rest are given to be allocated to devices (in this case, the final 8 bits, making up the last number in the address). Subnets are defined by CIDR notation, which is just a concise way of representing a range of IP addresses. Getting a location is as simple as finding which subnet an IP falls into. The internet is split up into chunks, called subnets, which are spread around the globe. It isn’t CSI magic-it’s easy to get location info from an IP address.
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