ipv4地址从最后一位按步长递增

指定要变化的起始ip地址

指定变化步长

指定变化个数

 

#!/usr/bin/python
def ipv4_to_int(ipv4):
    ipv4 = [int(x) for x in ipv4.split(".")]
    ipv4_int = (ipv4[0] << 24) + (ipv4[1] << 16) + (ipv4[2] << 8) + ipv4[3]
    #print(bin(ipv4_int))
    return ipv4_int
def int_to_ipv4(ip_int):
    ipv4 = []
    for x in (24, 16, 8 ,0):
        ipv4.append(str(ip_int >> x & 0xFF))     # 这边是关键，和0xFF（11111111）进行于运算，实现进位功能。
        #print(ipv4)
    return ".".join(ipv4) 

start_ip = "125.164.163.29"
for x in range(0,19999):
    #print(x)
    ip_address = ipv4_to_int(start_ip) + x * 4     #4为固定步长
    #print(ip_address)
    ip_address = int_to_ipv4(ip_address)
    print(ip_address)
    #print("interface gigaEthernet0/1/%d" %x)
    #print("  ip address %s 255.255.255.252" %ip_address)
    #print("  no shutdown")