IP geolocation consists of mapping an IP address to the geographic location of the internet from the connected device. This operation provides you with information about the location like the country, state, city, zip code, latitude/longitude, ISP, area code, etc.
ARIN's WHOIS is a free to access service that provides contact and registration information for IP. After a company acquires a block of IP addresses, a request is submitted and then those IPs are assigned to the requested ISP. An update of the IP geolocation is made automatically based on RIR data, and no manual update is allowed.