Created
January 8, 2018 11:47
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查找局域网可用Ip的程序
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# -*- coding: utf-8 -*- | |
# ! /usr/bin/env python | |
''' 查找局域网可用Ip的程序 | |
by Gongchengdong | |
安装依赖: | |
sudo dnf install nmap | |
sudo pip install python-nmap | |
!!注意!!务必使用root权限运行。如: | |
sudo python freeIp.py | |
''' | |
import nmap | |
class FreeIpPicker: | |
def __init__(self, hosts): | |
self.hosts = hosts | |
self.free_ips = [] | |
def get_free_ip(self): | |
nm = nmap.PortScanner() | |
nm.scan(hosts=self.hosts, arguments='-n -sP -PE') | |
print "scan finish!" | |
lives = [host[host.rfind('.') + 1:] for host in nm.all_hosts()] | |
prefix = self.hosts[:self.hosts.rfind('.') + 1] | |
for n in range(2, 254): | |
if str(n) not in lives: | |
self.free_ips.append(prefix + str(n)) | |
return self.free_ips | |
if __name__ == '__main__': | |
picker = FreeIpPicker('172.18.24.2-254') | |
free_ip = picker.get_free_ip() | |
print "可用ip共计"+str(len(free_ip))+"个,enjoy it!" | |
print free_ip | |
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