def testIPv6AddressTooLarge(self): # RFC4291 2.5.5.2 self.assertEqual(ipaddr.IPAddress('::FFFF:192.0.2.1'), ipaddr.IPAddress('::FFFF:c000:201')) # RFC4291 2.2 (part 3) x::d.d.d.d self.assertEqual(ipaddr.IPAddress('FFFF::192.0.2.1'), ipaddr.IPAddress('FFFF::c000:201'))
def testIpType(self): ipv4net = ipaddr.IPNetwork('1.2.3.4') ipv4addr = ipaddr.IPAddress('1.2.3.4') ipv6net = ipaddr.IPNetwork('::1.2.3.4') ipv6addr = ipaddr.IPAddress('::1.2.3.4') self.assertEqual(ipaddr.IPv4Network, type(ipv4net)) self.assertEqual(ipaddr.IPv4Address, type(ipv4addr)) self.assertEqual(ipaddr.IPv6Network, type(ipv6net)) self.assertEqual(ipaddr.IPv6Address, type(ipv6addr))
def testSummarizing(self): #ip = ipaddr.IPAddress #ipnet = ipaddr.IPNetwork summarize = ipaddr.summarize_address_range ip1 = ipaddr.IPAddress('1.1.1.0') ip2 = ipaddr.IPAddress('1.1.1.255') # test a /24 is sumamrized properly self.assertEqual(summarize(ip1, ip2)[0], ipaddr.IPNetwork('1.1.1.0/24')) # test an IPv4 range that isn't on a network byte boundary ip2 = ipaddr.IPAddress('1.1.1.8') self.assertEqual(summarize(ip1, ip2), [ipaddr.IPNetwork('1.1.1.0/29'), ipaddr.IPNetwork('1.1.1.8')]) ip1 = ipaddr.IPAddress('1::') ip2 = ipaddr.IPAddress('1:ffff:ffff:ffff:ffff:ffff:ffff:ffff') # test a IPv6 is sumamrized properly self.assertEqual(summarize(ip1, ip2)[0], ipaddr.IPNetwork('1::/16')) # test an IPv6 range that isn't on a network byte boundary ip2 = ipaddr.IPAddress('2::') self.assertEqual(summarize(ip1, ip2), [ipaddr.IPNetwork('1::/16'), ipaddr.IPNetwork('2::/128')]) # test exception raised when first is greater than last self.assertRaises(ValueError, summarize, ipaddr.IPAddress('1.1.1.0'), ipaddr.IPAddress('1.1.0.0')) # test exception raised when first and last aren't IP addresses self.assertRaises(TypeError, summarize, ipaddr.IPNetwork('1.1.1.0'), ipaddr.IPNetwork('1.1.0.0')) self.assertRaises(TypeError, summarize, ipaddr.IPNetwork('1.1.1.0'), ipaddr.IPNetwork('1.1.0.0')) # test exception raised when first and last are not same version self.assertRaises(TypeError, summarize, ipaddr.IPAddress('::'), ipaddr.IPNetwork('1.1.0.0'))
def testAddressComparison(self): self.assertTrue(ipaddr.IPAddress('1.1.1.1') <= ipaddr.IPAddress('1.1.1.1')) self.assertTrue(ipaddr.IPAddress('1.1.1.1') <= ipaddr.IPAddress('1.1.1.2')) self.assertTrue(ipaddr.IPAddress('::1') <= ipaddr.IPAddress('::1')) self.assertTrue(ipaddr.IPAddress('::1') <= ipaddr.IPAddress('::2'))
def testBadVersionComparison(self): # These should always raise TypeError v4addr = ipaddr.IPAddress('1.1.1.1') v4net = ipaddr.IPNetwork('1.1.1.1') v6addr = ipaddr.IPAddress('::1') v6net = ipaddr.IPAddress('::1') self.assertRaises(TypeError, v4addr.__lt__, v6addr) self.assertRaises(TypeError, v4addr.__gt__, v6addr) self.assertRaises(TypeError, v4net.__lt__, v6net) self.assertRaises(TypeError, v4net.__gt__, v6net) self.assertRaises(TypeError, v6addr.__lt__, v4addr) self.assertRaises(TypeError, v6addr.__gt__, v4addr) self.assertRaises(TypeError, v6net.__lt__, v4net) self.assertRaises(TypeError, v6net.__gt__, v4net)
def testTeredo(self): # stolen from wikipedia server = ipaddr.IPv4Address('65.54.227.120') client = ipaddr.IPv4Address('192.0.2.45') teredo_addr = '2001:0000:4136:e378:8000:63bf:3fff:fdd2' self.assertEqual((server, client), ipaddr.IPAddress(teredo_addr).teredo) bad_addr = '2000::4136:e378:8000:63bf:3fff:fdd2' self.assertFalse(ipaddr.IPAddress(bad_addr).teredo) bad_addr = '2001:0001:4136:e378:8000:63bf:3fff:fdd2' self.assertFalse(ipaddr.IPAddress(bad_addr).teredo) # i77 teredo_addr = ipaddr.IPv6Address('2001:0:5ef5:79fd:0:59d:a0e5:ba1') self.assertEqual((ipaddr.IPv4Address('94.245.121.253'), ipaddr.IPv4Address('95.26.244.94')), teredo_addr.teredo)
def testAddrExclude(self): addr1 = ipaddr.IPNetwork('10.1.1.0/24') addr2 = ipaddr.IPNetwork('10.1.1.0/26') addr3 = ipaddr.IPNetwork('10.2.1.0/24') addr4 = ipaddr.IPAddress('10.1.1.0') self.assertEqual(addr1.address_exclude(addr2), [ipaddr.IPNetwork('10.1.1.64/26'), ipaddr.IPNetwork('10.1.1.128/25')]) self.assertRaises(ValueError, addr1.address_exclude, addr3) self.assertRaises(TypeError, addr1.address_exclude, addr4) self.assertEqual(addr1.address_exclude(addr1), [])
def testEqual(self): self.assertTrue(self.ipv4 == ipaddr.IPv4Network('1.2.3.4/24')) self.assertFalse(self.ipv4 == ipaddr.IPv4Network('1.2.3.4/23')) self.assertFalse(self.ipv4 == ipaddr.IPv6Network('::1.2.3.4/24')) self.assertFalse(self.ipv4 == '') self.assertFalse(self.ipv4 == []) self.assertFalse(self.ipv4 == 2) self.assertTrue(ipaddr.IPNetwork('1.1.1.1/32') == ipaddr.IPAddress('1.1.1.1')) self.assertTrue(ipaddr.IPNetwork('1.1.1.1/24') == ipaddr.IPAddress('1.1.1.1')) self.assertFalse(ipaddr.IPNetwork('1.1.1.0/24') == ipaddr.IPAddress('1.1.1.1')) self.assertTrue(self.ipv6 == ipaddr.IPv6Network('2001:658:22a:cafe:200::1/64')) self.assertTrue(ipaddr.IPNetwork('::1/128') == ipaddr.IPAddress('::1')) self.assertTrue(ipaddr.IPNetwork('::1/127') == ipaddr.IPAddress('::1')) self.assertFalse(ipaddr.IPNetwork('::0/127') == ipaddr.IPAddress('::1')) self.assertFalse(self.ipv6 == ipaddr.IPv6Network('2001:658:22a:cafe:200::1/63')) self.assertFalse(self.ipv6 == ipaddr.IPv4Network('1.2.3.4/23')) self.assertFalse(self.ipv6 == '') self.assertFalse(self.ipv6 == []) self.assertFalse(self.ipv6 == 2)
def testMixedTypeComparison(self): v4addr = ipaddr.IPAddress('1.1.1.1') v4net = ipaddr.IPNetwork('1.1.1.1/32') v6addr = ipaddr.IPAddress('::1') v6net = ipaddr.IPNetwork('::1/128') self.assertFalse(v4net.__contains__(v6net)) self.assertFalse(v6net.__contains__(v4net)) self.assertRaises(TypeError, lambda: v4addr < v4net) self.assertRaises(TypeError, lambda: v4addr > v4net) self.assertRaises(TypeError, lambda: v4net < v4addr) self.assertRaises(TypeError, lambda: v4net > v4addr) self.assertRaises(TypeError, lambda: v6addr < v6net) self.assertRaises(TypeError, lambda: v6addr > v6net) self.assertRaises(TypeError, lambda: v6net < v6addr) self.assertRaises(TypeError, lambda: v6net > v6addr) # with get_mixed_type_key, you can sort addresses and network. self.assertEqual([v4addr, v4net], sorted([v4net, v4addr], key=ipaddr.get_mixed_type_key)) self.assertEqual([v6addr, v6net], sorted([v6net, v6addr], key=ipaddr.get_mixed_type_key))
def testNotEqual(self): self.assertFalse(self.ipv4 != ipaddr.IPv4Network('1.2.3.4/24')) self.assertTrue(self.ipv4 != ipaddr.IPv4Network('1.2.3.4/23')) self.assertTrue(self.ipv4 != ipaddr.IPv6Network('::1.2.3.4/24')) self.assertTrue(self.ipv4 != '') self.assertTrue(self.ipv4 != []) self.assertTrue(self.ipv4 != 2) addr2 = ipaddr.IPAddress('2001:658:22a:cafe:200::1') self.assertFalse(self.ipv6 != ipaddr.IPv6Network('2001:658:22a:cafe:200::1/64')) self.assertTrue(self.ipv6 != ipaddr.IPv6Network('2001:658:22a:cafe:200::1/63')) self.assertTrue(self.ipv6 != ipaddr.IPv4Network('1.2.3.4/23')) self.assertTrue(self.ipv6 != '') self.assertTrue(self.ipv6 != []) self.assertTrue(self.ipv6 != 2)
def testHash(self): self.assertEqual(hash(ipaddr.IPNetwork('10.1.1.0/24')), hash(ipaddr.IPNetwork('10.1.1.0/24'))) self.assertEqual(hash(ipaddr.IPAddress('10.1.1.0')), hash(ipaddr.IPAddress('10.1.1.0'))) # i70 self.assertEqual(hash(ipaddr.IPAddress('1.2.3.4')), hash(ipaddr.IPAddress( long(ipaddr.IPAddress('1.2.3.4')._ip)))) ip1 = ipaddr.IPAddress('10.1.1.0') ip2 = ipaddr.IPAddress('1::') dummy = {} dummy[self.ipv4] = None dummy[self.ipv6] = None dummy[ip1] = None dummy[ip2] = None self.assertTrue(self.ipv4 in dummy) self.assertTrue(ip2 in dummy)
def testIpv4Mapped(self): self.assertEqual(ipaddr.IPAddress('::ffff:192.168.1.1').ipv4_mapped, ipaddr.IPAddress('192.168.1.1')) self.assertEqual(ipaddr.IPAddress('::c0a8:101').ipv4_mapped, None) self.assertEqual(ipaddr.IPAddress('::ffff:c0a8:101').ipv4_mapped, ipaddr.IPAddress('192.168.1.1'))
def testReservedIpv6(self): self.assertEqual(True, ipaddr.IPNetwork('ffff::').is_multicast) self.assertEqual(True, ipaddr.IPNetwork(2**128-1).is_multicast) self.assertEqual(True, ipaddr.IPNetwork('ff00::').is_multicast) self.assertEqual(False, ipaddr.IPNetwork('fdff::').is_multicast) self.assertEqual(True, ipaddr.IPNetwork('fecf::').is_site_local) self.assertEqual(True, ipaddr.IPNetwork( 'feff:ffff:ffff:ffff::').is_site_local) self.assertEqual(False, ipaddr.IPNetwork('fbf:ffff::').is_site_local) self.assertEqual(False, ipaddr.IPNetwork('ff00::').is_site_local) self.assertEqual(True, ipaddr.IPNetwork('fc00::').is_private) self.assertEqual(True, ipaddr.IPNetwork( 'fc00:ffff:ffff:ffff::').is_private) self.assertEqual(False, ipaddr.IPNetwork('fbff:ffff::').is_private) self.assertEqual(False, ipaddr.IPNetwork('fe00::').is_private) self.assertEqual(True, ipaddr.IPNetwork('fea0::').is_link_local) self.assertEqual(True, ipaddr.IPNetwork('febf:ffff::').is_link_local) self.assertEqual(False, ipaddr.IPNetwork('fe7f:ffff::').is_link_local) self.assertEqual(False, ipaddr.IPNetwork('fec0::').is_link_local) self.assertEqual(True, ipaddr.IPNetwork('0:0::0:01').is_loopback) self.assertEqual(False, ipaddr.IPNetwork('::1/127').is_loopback) self.assertEqual(False, ipaddr.IPNetwork('::').is_loopback) self.assertEqual(False, ipaddr.IPNetwork('::2').is_loopback) self.assertEqual(True, ipaddr.IPNetwork('0::0').is_unspecified) self.assertEqual(False, ipaddr.IPNetwork('::1').is_unspecified) self.assertEqual(False, ipaddr.IPNetwork('::/127').is_unspecified) # test addresses self.assertEqual(True, ipaddr.IPAddress('ffff::').is_multicast) self.assertEqual(True, ipaddr.IPAddress(2**128-1).is_multicast) self.assertEqual(True, ipaddr.IPAddress('ff00::').is_multicast) self.assertEqual(False, ipaddr.IPAddress('fdff::').is_multicast) self.assertEqual(True, ipaddr.IPAddress('fecf::').is_site_local) self.assertEqual(True, ipaddr.IPAddress( 'feff:ffff:ffff:ffff::').is_site_local) self.assertEqual(False, ipaddr.IPAddress('fbf:ffff::').is_site_local) self.assertEqual(False, ipaddr.IPAddress('ff00::').is_site_local) self.assertEqual(True, ipaddr.IPAddress('fc00::').is_private) self.assertEqual(True, ipaddr.IPAddress( 'fc00:ffff:ffff:ffff::').is_private) self.assertEqual(False, ipaddr.IPAddress('fbff:ffff::').is_private) self.assertEqual(False, ipaddr.IPAddress('fe00::').is_private) self.assertEqual(True, ipaddr.IPAddress('fea0::').is_link_local) self.assertEqual(True, ipaddr.IPAddress('febf:ffff::').is_link_local) self.assertEqual(False, ipaddr.IPAddress('fe7f:ffff::').is_link_local) self.assertEqual(False, ipaddr.IPAddress('fec0::').is_link_local) self.assertEqual(True, ipaddr.IPAddress('0:0::0:01').is_loopback) self.assertEqual(True, ipaddr.IPAddress('::1').is_loopback) self.assertEqual(False, ipaddr.IPAddress('::2').is_loopback) self.assertEqual(True, ipaddr.IPAddress('0::0').is_unspecified) self.assertEqual(False, ipaddr.IPAddress('::1').is_unspecified) # some generic IETF reserved addresses self.assertEqual(True, ipaddr.IPAddress('100::').is_reserved) self.assertEqual(True, ipaddr.IPNetwork('4000::1/128').is_reserved)
def testReservedIpv4(self): # test networks self.assertEqual(True, ipaddr.IPNetwork('224.1.1.1/31').is_multicast) self.assertEqual(False, ipaddr.IPNetwork('240.0.0.0').is_multicast) self.assertEqual(True, ipaddr.IPNetwork('192.168.1.1/17').is_private) self.assertEqual(False, ipaddr.IPNetwork('192.169.0.0').is_private) self.assertEqual(True, ipaddr.IPNetwork('10.255.255.255').is_private) self.assertEqual(False, ipaddr.IPNetwork('11.0.0.0').is_private) self.assertEqual(True, ipaddr.IPNetwork('172.31.255.255').is_private) self.assertEqual(False, ipaddr.IPNetwork('172.32.0.0').is_private) self.assertEqual(True, ipaddr.IPNetwork('169.254.100.200/24').is_link_local) self.assertEqual(False, ipaddr.IPNetwork('169.255.100.200/24').is_link_local) self.assertEqual(True, ipaddr.IPNetwork('127.100.200.254/32').is_loopback) self.assertEqual(True, ipaddr.IPNetwork('127.42.0.0/16').is_loopback) self.assertEqual(False, ipaddr.IPNetwork('128.0.0.0').is_loopback) # test addresses self.assertEqual(True, ipaddr.IPAddress('224.1.1.1').is_multicast) self.assertEqual(False, ipaddr.IPAddress('240.0.0.0').is_multicast) self.assertEqual(True, ipaddr.IPAddress('192.168.1.1').is_private) self.assertEqual(False, ipaddr.IPAddress('192.169.0.0').is_private) self.assertEqual(True, ipaddr.IPAddress('10.255.255.255').is_private) self.assertEqual(False, ipaddr.IPAddress('11.0.0.0').is_private) self.assertEqual(True, ipaddr.IPAddress('172.31.255.255').is_private) self.assertEqual(False, ipaddr.IPAddress('172.32.0.0').is_private) self.assertEqual(True, ipaddr.IPAddress('169.254.100.200').is_link_local) self.assertEqual(False, ipaddr.IPAddress('169.255.100.200').is_link_local) self.assertEqual(True, ipaddr.IPAddress('127.100.200.254').is_loopback) self.assertEqual(True, ipaddr.IPAddress('127.42.0.0').is_loopback) self.assertEqual(False, ipaddr.IPAddress('128.0.0.0').is_loopback) self.assertEqual(True, ipaddr.IPNetwork('0.0.0.0').is_unspecified)
def testsixtofour(self): sixtofouraddr = ipaddr.IPAddress('2002:ac1d:2d64::1') bad_addr = ipaddr.IPAddress('2000:ac1d:2d64::1') self.assertEqual(ipaddr.IPv4Address('172.29.45.100'), sixtofouraddr.sixtofour) self.assertFalse(bad_addr.sixtofour)
def testCollapsing(self): # test only IP addresses including some duplicates ip1 = ipaddr.IPv4Address('1.1.1.0') ip2 = ipaddr.IPv4Address('1.1.1.1') ip3 = ipaddr.IPv4Address('1.1.1.2') ip4 = ipaddr.IPv4Address('1.1.1.3') ip5 = ipaddr.IPv4Address('1.1.1.4') ip6 = ipaddr.IPv4Address('1.1.1.0') # check that addreses are subsumed properly. collapsed = ipaddr.collapse_address_list([ip1, ip2, ip3, ip4, ip5, ip6]) self.assertEqual(collapsed, [ipaddr.IPv4Network('1.1.1.0/30'), ipaddr.IPv4Network('1.1.1.4/32')]) # test a mix of IP addresses and networks including some duplicates ip1 = ipaddr.IPv4Address('1.1.1.0') ip2 = ipaddr.IPv4Address('1.1.1.1') ip3 = ipaddr.IPv4Address('1.1.1.2') ip4 = ipaddr.IPv4Address('1.1.1.3') ip5 = ipaddr.IPv4Network('1.1.1.4/30') ip6 = ipaddr.IPv4Network('1.1.1.4/30') # check that addreses are subsumed properly. collapsed = ipaddr.collapse_address_list([ip5, ip1, ip2, ip3, ip4, ip6]) self.assertEqual(collapsed, [ipaddr.IPv4Network('1.1.1.0/29')]) # test only IP networks ip1 = ipaddr.IPv4Network('1.1.0.0/24') ip2 = ipaddr.IPv4Network('1.1.1.0/24') ip3 = ipaddr.IPv4Network('1.1.2.0/24') ip4 = ipaddr.IPv4Network('1.1.3.0/24') ip5 = ipaddr.IPv4Network('1.1.4.0/24') # stored in no particular order b/c we want CollapseAddr to call [].sort ip6 = ipaddr.IPv4Network('1.1.0.0/22') # check that addreses are subsumed properly. collapsed = ipaddr.collapse_address_list([ip1, ip2, ip3, ip4, ip5, ip6]) self.assertEqual(collapsed, [ipaddr.IPv4Network('1.1.0.0/22'), ipaddr.IPv4Network('1.1.4.0/24')]) # test that two addresses are supernet'ed properly collapsed = ipaddr.collapse_address_list([ip1, ip2]) self.assertEqual(collapsed, [ipaddr.IPv4Network('1.1.0.0/23')]) # test same IP networks ip_same1 = ip_same2 = ipaddr.IPv4Network('1.1.1.1/32') self.assertEqual(ipaddr.collapse_address_list([ip_same1, ip_same2]), [ip_same1]) # test same IP addresses ip_same1 = ip_same2 = ipaddr.IPv4Address('1.1.1.1') self.assertEqual(ipaddr.collapse_address_list([ip_same1, ip_same2]), [ipaddr.IPNetwork('1.1.1.1/32')]) ip1 = ipaddr.IPv6Network('::2001:1/100') ip2 = ipaddr.IPv6Network('::2002:1/120') ip3 = ipaddr.IPv6Network('::2001:1/96') # test that ipv6 addresses are subsumed properly. collapsed = ipaddr.collapse_address_list([ip1, ip2, ip3]) self.assertEqual(collapsed, [ip3]) # the toejam test ip1 = ipaddr.IPAddress('1.1.1.1') ip2 = ipaddr.IPAddress('::1') self.assertRaises(TypeError, ipaddr.collapse_address_list, [ip1, ip2])
def addr_in(addr, hosts): for host in hosts: if ipaddr.IPAddress(addr) in ipaddr.IPNetwork(host): return True return False
def testNetworkComparison(self): # ip1 and ip2 have the same network address ip1 = ipaddr.IPv4Network('1.1.1.0/24') ip2 = ipaddr.IPv4Network('1.1.1.1/24') ip3 = ipaddr.IPv4Network('1.1.2.0/24') self.assertTrue(ip1 < ip3) self.assertTrue(ip3 > ip2) self.assertEqual(ip1.compare_networks(ip2), 0) self.assertTrue(ip1._get_networks_key() == ip2._get_networks_key()) self.assertEqual(ip1.compare_networks(ip3), -1) self.assertTrue(ip1._get_networks_key() < ip3._get_networks_key()) ip1 = ipaddr.IPv6Network('2001::2000/96') ip2 = ipaddr.IPv6Network('2001::2001/96') ip3 = ipaddr.IPv6Network('2001:ffff::2000/96') self.assertTrue(ip1 < ip3) self.assertTrue(ip3 > ip2) self.assertEqual(ip1.compare_networks(ip2), 0) self.assertTrue(ip1._get_networks_key() == ip2._get_networks_key()) self.assertEqual(ip1.compare_networks(ip3), -1) self.assertTrue(ip1._get_networks_key() < ip3._get_networks_key()) # Test comparing different protocols. # Should always raise a TypeError. ipv6 = ipaddr.IPv6Network('::/0') ipv4 = ipaddr.IPv4Network('0.0.0.0/0') self.assertRaises(TypeError, ipv4.__lt__, ipv6) self.assertRaises(TypeError, ipv4.__gt__, ipv6) self.assertRaises(TypeError, ipv6.__lt__, ipv4) self.assertRaises(TypeError, ipv6.__gt__, ipv4) # Regression test for issue 19. ip1 = ipaddr.IPNetwork('10.1.2.128/25') self.assertFalse(ip1 < ip1) self.assertFalse(ip1 > ip1) ip2 = ipaddr.IPNetwork('10.1.3.0/24') self.assertTrue(ip1 < ip2) self.assertFalse(ip2 < ip1) self.assertFalse(ip1 > ip2) self.assertTrue(ip2 > ip1) ip3 = ipaddr.IPNetwork('10.1.3.0/25') self.assertTrue(ip2 < ip3) self.assertFalse(ip3 < ip2) self.assertFalse(ip2 > ip3) self.assertTrue(ip3 > ip2) # Regression test for issue 28. ip1 = ipaddr.IPNetwork('10.10.10.0/31') ip2 = ipaddr.IPNetwork('10.10.10.0') ip3 = ipaddr.IPNetwork('10.10.10.2/31') ip4 = ipaddr.IPNetwork('10.10.10.2') sorted = [ip1, ip2, ip3, ip4] unsorted = [ip2, ip4, ip1, ip3] unsorted.sort() self.assertEqual(sorted, unsorted) unsorted = [ip4, ip1, ip3, ip2] unsorted.sort() self.assertEqual(sorted, unsorted) self.assertRaises(TypeError, ip1.__lt__, ipaddr.IPAddress('10.10.10.0')) self.assertRaises(TypeError, ip2.__lt__, ipaddr.IPAddress('10.10.10.0')) # <=, >= self.assertTrue(ipaddr.IPNetwork('1.1.1.1') <= ipaddr.IPNetwork('1.1.1.1')) self.assertTrue(ipaddr.IPNetwork('1.1.1.1') <= ipaddr.IPNetwork('1.1.1.2')) self.assertFalse(ipaddr.IPNetwork('1.1.1.2') <= ipaddr.IPNetwork('1.1.1.1')) self.assertTrue(ipaddr.IPNetwork('::1') <= ipaddr.IPNetwork('::1')) self.assertTrue(ipaddr.IPNetwork('::1') <= ipaddr.IPNetwork('::2')) self.assertFalse(ipaddr.IPNetwork('::2') <= ipaddr.IPNetwork('::1'))