请问如何解析一个网址为ip?

iamone

比如已经知道网址：
http://www.163.com
那么怎么通过这个地址，知道他的ip是多少？

noright

$ ping www.163.com
PING www.cache.split.netease.com (220.181.30.14) 56(84) bytes of data.
64 bytes from 220.181.30.14: icmp_seq=1 ttl=51 time=66.6 ms
64 bytes from 220.181.30.14: icmp_seq=2 ttl=52 time=62.2 ms
64 bytes from 220.181.30.14: icmp_seq=3 ttl=52 time=62.4 ms
64 bytes from 220.181.30.14: icmp_seq=4 ttl=51 time=66.6 ms
64 bytes from 220.181.30.14: icmp_seq=5 ttl=52 time=62.7 ms
64 bytes from 220.181.30.14: icmp_seq=6 ttl=51 time=67.0 ms
^C

看到了吧：220.181.30.14

iamone

Post by noright
$ ping www.163.com
PING www.cache.split.netease.com (220.181.30.14) 56(84) bytes of data.
64 bytes from 220.181.30.14: icmp_seq=1 ttl=51 time=66.6 ms
64 bytes from 220.181.30.14: icmp_seq=2 ttl=52 time=62.2 ms
64 bytes from 220.181.30.14: icmp_seq=3 ttl=52 time=62.4 ms
64 bytes from 220.181.30.14: icmp_seq=4 ttl=51 time=66.6 ms
64 bytes from 220.181.30.14: icmp_seq=5 ttl=52 time=62.7 ms
64 bytes from 220.181.30.14: icmp_seq=6 ttl=51 time=67.0 ms
^C

看到了吧：220.181.30.14

thanx!

troll

dig和nslookup

noright

Post by troll
dig和nslookup

thanks

iamone

Post by troll
dig和nslookup

正解。谢谢！

longyun985

ping , host , nslookup ,dig , doc 都可以吧。

ping在局域网中有时不能ping外网的机器。