add ip tools

README.md

@@ -6,3 +6,5 @@ common utils for golang
 - [jbls](utils/jbls): JetBrains license server, Just for test and study, Please support genuine.
 
 - [jwt](utils/jwt): This is a simple tool to sign, verify and show JSON Web Tokens ([JWT](http://jwt.io/)) from the command line, base [jwt-go](https://github.com/dgrijalva/jwt-go).
+
+- [ip](utils/ip): Obtain public IP, check the intranet IP, detect IP type, check IP range, IP address string and int transformation, according to ip to determine the region and operators, etc

utils/ip/ip.go

@@ -62,7 +62,7 @@ func GetIntranetIp() {
 	}
 }
 
-func TabaoAPI(ip string) *IPInfo {
+func TaobaoAPI(ip string) *IPInfo {
 	url := "http://ip.taobao.com/service/getIpInfo.php?ip="
 	url += ip