Geo IP allocation is divided between 5 zones: Europe, Africa, Asia Pacific, North America and Latin America/Carribean
All IP address ranges that are allocated world wide without exception must be registered with IANA.
If you first complete a Geo IP lookup on the IP address in question, by using this helpful link:
https://geoiptool.com/ you can then correspond the Geo location of the IP with the correct IANA database zone to look up for IP range registration
(Europe)
https://apps.db.ripe.net/search
AFRINIC (Africa)
http://www.afrinic.net/whois.afrinic.net
APNIC (Asia Pacific)
http://www.apnic.net/whois.apnic.net
ARIN (Northern America)
http://www.arin.net/whois.arin.net
LACNIC (Latin America and the Carribean)
http://www.lacnic.net/whois.lacnic.net
IANA Main (IPv4 Address Space Registry)
http://www.iana.org/assignments/ipv4-address-space