curl ifconfig.me
curl icanhazip.com
curl curlmyip.com
curl ip.appspot.com
curl ipinfo.io/ip
curl ipecho.net/plain
curl www.trackip.net/i
#补充
curl ip.sb
curl ip.6655.com/ip.aspx
curl whatismyip.akamai.com
wget-qO - ifconfig.co
dig+short myip.opendns.com @resolver1.opendns.com
curl ident.me
curl v4.ident.me
curl v6.ident.me
curl inet-ip.info
#返回IP和地区
curl ip.6655.com/ip.aspx?area=1
curl1111.ip138.com/ic.asp
curl ip.cn
curl cip.cc
本文名称：[树莓派]获取公网IP地址并提醒IP地址变更
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