python根据ip地址反向查找主机名称，pythonip查找主机,import sys,

python根据ip地址反向查找主机名称，pythonip查找主机,import sys,

import sys, sockettry:    result = socket.gethostbyaddr("66.249.71.15")    print "Primary hostname:"    print "  " + result[0]    # Display the list of available addresses that is also returned    print "\nAddresses:"    for item in result[2]:        print "  " + itemexcept socket.herror, e:    print "Couldn't look up name:", e

                                上面的代码执行后返回：

Primary hostname:  crawl-66-249-71-15.googlebot.comAddresses:  66.249.71.15