# 2021-01-07 #「Linux」- 如何确定公网网络地址？

使用第三方站点

curl "http://ifconfig.me"
curl "http://icanhazip.com"
curl "http://ipecho.net/plain"
curl "http://ifconfig.co"

################################################################################

curl checkip.amazonaws.com
curl ifconfig.me
curl icanhazip.com
curl ipecho.net/plain
curl ifconfig.co

## store output in $server_ip ##
server_ip="$(curl ifconfig.co)"

## Display it ##
printf "Server public ip4 %s\n" $server_ip

命令行获取（推荐）

dig +short myip.opendns.com @resolver1.opendns.com
dig TXT +short o-o.myaddr.l.google.com @ns1.google.com

参考文献

K4NZ/如何确定公网网络地址？
How To Find My Public IP Address From Command Line On a Linux
How To Find My Public IP Address From Command Line On a Linux - nixCraft