i don't know why on your machine does NOT reply this IP the country but on my tests the Country output for this IP is correct.

Code:
[22:09:22] ***** Searching informations for IP: 179.24.139.26 *****
[22:09:24] ISP: Administracion Nacional de Telecomunicaciones (AS6057)
[22:09:24] Continent: South America
[22:09:25] Country: Uruguay
[22:09:25] Country Code: UY (URY)
[22:09:25] Region: Montevideo
[22:09:25] Local Time: 18 Nov 2014 18:09 UYST
[22:09:25] Latitude & Longitude: -34.858, -56.171
[22:09:25] Hostname: r179-24-139-26.dialup.adsl.anteldata.net.uy
[22:09:25] City: Montevideo
[22:09:26] ***** End of 179.24.139.26 IP lookup *****