import socket

def is_same_subnet(ip1, ip2):
    # 将IP地址和子网掩码转换为整数列表
    ip1_parts = [int(part) for part in ip1.split('.')]
    ip2_parts = [int(part) for part in ip2.split('.')]
    subnet_mask_parts = [int(part) for part in "255.255.255.0".split('.')]

    # 计算网络地址
    network1 = [ip1_parts[i] & subnet_mask_parts[i] for i in range(4)]
    network2 = [ip2_parts[i] & subnet_mask_parts[i] for i in range(4)]

    # 比较网络地址是否相同
    return network1 == network2




print(is_same_subnet("192.168.10.23", "192.12.10.21"))