yapılandırması sizden.

https://proxycheck.io/v1/217.61.1.12

gelen json cevap

{
"ip": "217.61.1.12",
"proxy": "yes",
"type": "SOCKS"
}

veya

http://iphub.info/api.php?ip=217.61.1.12&showtype=4

gelen cevap
{"hostname":"host12-1-61-217.static.arubacloud.de","countryCode":"DE","coun tryName":"Germany","region":"undefined","asn":"AS2 00185 Aruba SAS","proxy":1}