IP Address: 54.144.3.134
ISP: Merck and Co.
Hostname: ec2-54-144-3-134.compute-1.amazonaws.com
Country: United States
Country Code: US
Region: NJ
City: Woodbridge
Latitude: 40.552501678467
Longtitude: -74.291496276855
ZIP: 07095
DMA Code: 501
54.144.3 block

54.144.3.134

Try JSON API from command line

$curl http://www.ipgeni.com/api/54.144.3.134
{
    "ip": "54.144.3.134",
    "hostname": "ec2-54-144-3-134.compute-1.amazonaws.com",
    "city": "Woodbridge",
    "region": "NJ",
    "country": "US",
    "loc": "40.552501678467,-74.291496276855",
    "org": "Merck and Co.",
    "postal": "07095",
    "phone": ""
}
IPGENI geolocation API is available on the developer page. The API is compatible with hostip.info api which is no longer updated.