The database Operata uses to convert the IP address to the ISP is IP Stack (https://ipstack.com/)
The data this provides is detailed below, but not all made visible by Operata:
type: [example "ipv4"]
continent_code: [example "OC"]
continent_name: [example "Oceania"]
country_code: [example "AU"]
country_name: [example "Australia"]
region_code: [example "VIC"]
region_name: [example "Victoria"]
city: [example "Kinglake West"]
zip: [example 3757]
isp: "Bcd Networks Pty Ltd"
Note: For some ISP's the location listed is the head office, which may not represent the true location.