Network Utilities

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

IP Address Information

Located in Seattle, United States
98.84.25.165
IP Address 98.84.25.165
Hostname ec2-98-84-25-165.compute-1.amazonaws.com
City Seattle
Region Washington
Country United States
Phone Code 1
Geo Location 47.54,-122.3032
API Call

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

Try it:
curl "https://steamr.com/98.84.25.165" 

{
    "ip": "98.84.25.165",
    "hostname": "ec2-98-84-25-165.compute-1.amazonaws.com",
    "city": "Seattle",
    "region": "Washington",
    "country": "US",
    "country_name": "United States",
    "phone_code": "1",
    "location": "47.54,-122.3032",
    "postal": "98108"
}