Network Utilities

IP Lookup, CIDR Calculator, MAC Address Lookup, and Port Number Lookup
Examples:

IP Address Information

Located in United States
18.97.9.172
IP Address 18.97.9.172
Hostname 18-97-9-172.crawl.commoncrawl.org
Country United States
Phone Code 1
Geo Location 37.751,-97.822
API Call

Get JSON results via command line with either curl or wget.

Try it:
curl "https://steamr.com/18.97.9.172" 

{
    "ip": "18.97.9.172",
    "hostname": "18-97-9-172.crawl.commoncrawl.org",
    "city": null,
    "region": null,
    "country": "US",
    "country_name": "United States",
    "phone_code": "1",
    "location": "37.751,-97.822",
    "postal": null
}