ipaddress — 互联网地址

地址

# ipaddress_addresses.py
import binascii
import ipaddress


ADDRESSES = [
    '10.9.0.6',
    'fdfd:87b5:b475:5e3e:b1bc:e121:a8eb:14aa',
]

for ip in ADDRESSES:
    addr = ipaddress.ip_address(ip)
    print('{!r}'.format(addr))
    print('   IP version:', addr.version)
    print('   is private:', addr.is_private)
    print('  packed form:', binascii.hexlify(addr.packed))
    print('      integer:', int(addr))
    print()

网络

# ipaddress_networks.py
import ipaddress

NETWORKS = [
    '10.9.0.0/24',
    'fdfd:87b5:b475:5e3e::/64',
]

for n in NETWORKS:
    net = ipaddress.ip_network(n)
    print('{!r}'.format(net))
    print('     is private:', net.is_private)
    print('      broadcast:', net.broadcast_address)
    print('     compressed:', net.compressed)
    print('   with netmask:', net.with_netmask)
    print('  with hostmask:', net.with_hostmask)
    print('  num addresses:', net.num_addresses)
    print()

# ipaddress_network_iterate.py
import ipaddress

NETWORKS = [
    '10.9.0.0/24',
    'fdfd:87b5:b475:5e3e::/64',
]

for n in NETWORKS:
    net = ipaddress.ip_network(n)
    print('{!r}'.format(net))
    for i, ip in zip(range(3), net):
        print(ip)
    print()

# ipaddress_network_iterate_hosts.py
import ipaddress

NETWORKS = [
    '10.9.0.0/24',
    'fdfd:87b5:b475:5e3e::/64',
]

for n in NETWORKS:
    net = ipaddress.ip_network(n)
    print('{!r}'.format(net))
    for i, ip in zip(range(3), net.hosts()):
        print(ip)
    print()

# ipaddress_network_membership.py
import ipaddress


NETWORKS = [
    ipaddress.ip_network('10.9.0.0/24'),
    ipaddress.ip_network('fdfd:87b5:b475:5e3e::/64'),
]

ADDRESSES = [
    ipaddress.ip_address('10.9.0.6'),
    ipaddress.ip_address('10.7.0.31'),
    ipaddress.ip_address(
        'fdfd:87b5:b475:5e3e:b1bc:e121:a8eb:14aa'
    ),
    ipaddress.ip_address('fe80::3840:c439:b25e:63b0'),
]


for ip in ADDRESSES:
    for net in NETWORKS:
        if ip in net:
            print('{}\nis on {}'.format(ip, net))
            break
    else:
        print('{}\nis not on a known network'.format(ip))
    print()

接口

# ipaddress_interfaces.py
import ipaddress


ADDRESSES = [
    '10.9.0.6/24',
    'fdfd:87b5:b475:5e3e:b1bc:e121:a8eb:14aa/64',
]


for ip in ADDRESSES:
    iface = ipaddress.ip_interface(ip)
    print('{!r}'.format(iface))
    print('network:\n  ', iface.network)
    print('ip:\n  ', iface.ip)
    print('IP with prefixlen:\n  ', iface.with_prefixlen)
    print('netmask:\n  ', iface.with_netmask)
    print('hostmask:\n  ', iface.with_hostmask)
    print()