[root@zetawiki ~]# curl bot.whatismyipaddress.com
246.80.135.79

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console

[root@zetawiki ~]# curl icanhazip.com
246.80.135.79

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console

[root@zetawiki ~]# curl ipv4.icanhazip.com
246.80.135.79

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console

[root@zetawiki ~]# curl http://ipecho.net/plain
246.80.135.79

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console

[root@zetawiki ~]# curl ifconfig.me
246.80.135.79

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console

→ 외부IP(공인 IP)

[root@zetawiki ~]# ifconfig -a | grep "inet " | grep "Bcast:" | awk '{print $2}' | awk -F: '{print $2}'
192.168.0.139

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console

→ 내부IP