ping内网Ip,找出内网21网段未被使用的ip地址

#!/usr/bin/env python
# -*- coding: utf-8 -*-


import subprocess
import ipaddress


def ping_ip(ip, count=3):
    """Ping an IP address using the system's ping command with a given count."""
    # 构造ping命令
    param = ['ping', '-c', str(count), ip]

    # 执行ping命令
    response = subprocess.run(param, stdout=subprocess.PIPE, stderr=subprocess.PIPE, text=True)

    # 检查ping是否成功
    if response.returncode == 0:
        return True
    else:
        return False


def find_unused_ips(network, prefix_len=24, ping_count=3):
    """Find unused IPs in a given network."""
    net = ipaddress.ip_network(f"{network}/{prefix_len}", strict=False)
    unused_ips = []

    # 跳过.1（通常是网关）和.255（广播地址）
    for host in net.hosts():
        if host.is_private and not (host.exploded[-1] == '1' or host.exploded[-1] == '255'):
            if not ping_ip(str(host), ping_count):
                unused_ips.append(str(host))

    return unused_ips


# 假设我们要扫描的网段是192.168.21.x
network = '192.168.21.0'
unused_ips = find_unused_ips(network)
print("Unused IPs in the network:", unused_ips)