1 $ curl ifconfig.me
[root@localhost ~]# curl ifconfig.me
14.23.92.186
2 $ curl icanhazip.com
[root@localhost ~]# curl icanhazip.com
14.23.92.186
3 $ curl ident.me
[root@localhost ~]# curl ident.me
14.23.92.186
4 $ curl ipecho.net/plain
[root@localhost ~]# curl ipecho.net/plain
14.23.92.186
5 $ curl whatismyip.akamai.com
[root@localhost ~]# curl whatismyip.akamai.com
14.23.92.186
6 $ curl tnx.nl/ip
[root@localhost ~]# curl tnx.nl/ip
14.23.92.186
7 $ curl myip.dnsomatic.com
[root@localhost ~]# curl myip.dnsomatic.com
14.23.92.186
8 $ curl ip.appspot.com
[root@localhost ~]# curl ip.appspot.com
curl: (7) couldn't connect to host
9 $ curl -s checkip.dyndns.org | sed ‘s/.IP Address: [0−9.]∗[0−9.]∗[0-9.].*/\1/g’
[root@localhost ~]# curl -s checkip.dyndns.org | sed 's/.*IP Address: [0−9\.]∗[0−9\.]∗[0-9\.]*.*/\1/g'
14.23.92.186