[英]Python: How do I get the IP address from a FQDN
如果我有FQDN,例如www.google.com,我如何获得相应的IP地址?
最简单的方法是socket.gethostbyname()
。
You can use socket.getaddrinfo
. 您可以使用socket.getaddrinfo
。 That will give you the differents IP address associated with the name, and can also give you the IPv6 address. 这将为您提供与名称关联的不同IP地址,还可以为您提供IPv6地址。
From the documentation: 从文档:
>>> import socket
>>> help(socket.getaddrinfo)
Help on built-in function getaddrinfo in module _socket:
getaddrinfo(...)
getaddrinfo(host, port [, family, socktype, proto, flags])
-> list of (family, socktype, proto, canonname, sockaddr)
Resolve host and port into addrinfo struct.
>>> from pprint import pprint
>>> pprint(socket.getaddrinfo('www.google.com', 80))
[(2, 1, 6, '', ('74.125.230.83', 80)),
(2, 2, 17, '', ('74.125.230.83', 80)),
(2, 3, 0, '', ('74.125.230.83', 80)),
(2, 1, 6, '', ('74.125.230.80', 80)),
(2, 2, 17, '', ('74.125.230.80', 80)),
(2, 3, 0, '', ('74.125.230.80', 80)),
(2, 1, 6, '', ('74.125.230.81', 80)),
(2, 2, 17, '', ('74.125.230.81', 80)),
(2, 3, 0, '', ('74.125.230.81', 80)),
(2, 1, 6, '', ('74.125.230.84', 80)),
(2, 2, 17, '', ('74.125.230.84', 80)),
(2, 3, 0, '', ('74.125.230.84', 80)),
(2, 1, 6, '', ('74.125.230.82', 80)),
(2, 2, 17, '', ('74.125.230.82', 80)),
(2, 3, 0, '', ('74.125.230.82', 80))]
Note: gethostbyname
is deprecated in C (and Python socket.gethostbyname
is implemented with it) as it does not support IPv6 addresses, and getaddrinfo
is the recommended replacement. 注意:在C中不推荐使用gethostbyname
(并且使用它实现了socket.gethostbyname
),因为它不支持IPv6地址,建议使用getaddrinfo
。
使用socket.gethostbyname(hostname)
请参阅: http : //docs.python.org/library/socket.html#socket.gethostbyname
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