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IPv6 Subnet Calculator

Enter an IPv6 address with a prefix to see its network, address range, number of /64 subnets, and its full and short forms. You can also split the prefix into smaller subnets.

$ ipcalc
documentation2001:db8:0:0:16::/80
network2001:db8:0:0:16::/80
first host2001:db8:0:0:16::
last host2001:db8::16:ffff:ffff:ffff
addresses2⁴⁸ = 281,474,976,710,656
short form2001:db8:0:0:16::
ipcalc 2001:db8:0:0:16::/80
address2001:0db8:0000:0000:0016:0000:0000:0000
network2001:0db8:0000:0000:0016:0000:0000:0000
last host2001:0db8:0000:0000:0016:ffff:ffff:ffff
green = network digits, amber = digit split by the prefix
full form2001:0db8:0000:0000:0016:0000:0000:0000
reverse dns0.0.0.0.0.0.0.0.0.0.0.0.6.1.0.0.0.0.0.0.0.0.0.0.8.b.d.0.1.0.0.2.ip6.arpa

/80 split into /96 · 65,536 subnets

close ×
#networklast address
12001:db8:0:0:16::/962001:db8::16:0:ffff:ffff
22001:db8::16:1:0:0/962001:db8::16:1:ffff:ffff
32001:db8::16:2:0:0/962001:db8::16:2:ffff:ffff
42001:db8::16:3:0:0/962001:db8::16:3:ffff:ffff
52001:db8::16:4:0:0/962001:db8::16:4:ffff:ffff
62001:db8::16:5:0:0/962001:db8::16:5:ffff:ffff
72001:db8::16:6:0:0/962001:db8::16:6:ffff:ffff
82001:db8::16:7:0:0/962001:db8::16:7:ffff:ffff
92001:db8::16:8:0:0/962001:db8::16:8:ffff:ffff
102001:db8::16:9:0:0/962001:db8::16:9:ffff:ffff
112001:db8::16:a:0:0/962001:db8::16:a:ffff:ffff
122001:db8::16:b:0:0/962001:db8::16:b:ffff:ffff
132001:db8::16:c:0:0/962001:db8::16:c:ffff:ffff
142001:db8::16:d:0:0/962001:db8::16:d:ffff:ffff
152001:db8::16:e:0:0/962001:db8::16:e:ffff:ffff
162001:db8::16:f:0:0/962001:db8::16:f:ffff:ffff
172001:db8::16:10:0:0/962001:db8::16:10:ffff:ffff
182001:db8::16:11:0:0/962001:db8::16:11:ffff:ffff
192001:db8::16:12:0:0/962001:db8::16:12:ffff:ffff
202001:db8::16:13:0:0/962001:db8::16:13:ffff:ffff
212001:db8::16:14:0:0/962001:db8::16:14:ffff:ffff
222001:db8::16:15:0:0/962001:db8::16:15:ffff:ffff
232001:db8::16:16:0:0/962001:db8::16:16:ffff:ffff
242001:db8::16:17:0:0/962001:db8::16:17:ffff:ffff
252001:db8::16:18:0:0/962001:db8::16:18:ffff:ffff
262001:db8::16:19:0:0/962001:db8::16:19:ffff:ffff
272001:db8::16:1a:0:0/962001:db8::16:1a:ffff:ffff
282001:db8::16:1b:0:0/962001:db8::16:1b:ffff:ffff
292001:db8::16:1c:0:0/962001:db8::16:1c:ffff:ffff
302001:db8::16:1d:0:0/962001:db8::16:1d:ffff:ffff
312001:db8::16:1e:0:0/962001:db8::16:1e:ffff:ffff
322001:db8::16:1f:0:0/962001:db8::16:1f:ffff:ffff
332001:db8::16:20:0:0/962001:db8::16:20:ffff:ffff
342001:db8::16:21:0:0/962001:db8::16:21:ffff:ffff
352001:db8::16:22:0:0/962001:db8::16:22:ffff:ffff
362001:db8::16:23:0:0/962001:db8::16:23:ffff:ffff
372001:db8::16:24:0:0/962001:db8::16:24:ffff:ffff
382001:db8::16:25:0:0/962001:db8::16:25:ffff:ffff
392001:db8::16:26:0:0/962001:db8::16:26:ffff:ffff
402001:db8::16:27:0:0/962001:db8::16:27:ffff:ffff
412001:db8::16:28:0:0/962001:db8::16:28:ffff:ffff
422001:db8::16:29:0:0/962001:db8::16:29:ffff:ffff
432001:db8::16:2a:0:0/962001:db8::16:2a:ffff:ffff
442001:db8::16:2b:0:0/962001:db8::16:2b:ffff:ffff
452001:db8::16:2c:0:0/962001:db8::16:2c:ffff:ffff
462001:db8::16:2d:0:0/962001:db8::16:2d:ffff:ffff
472001:db8::16:2e:0:0/962001:db8::16:2e:ffff:ffff
482001:db8::16:2f:0:0/962001:db8::16:2f:ffff:ffff
492001:db8::16:30:0:0/962001:db8::16:30:ffff:ffff
502001:db8::16:31:0:0/962001:db8::16:31:ffff:ffff
512001:db8::16:32:0:0/962001:db8::16:32:ffff:ffff
522001:db8::16:33:0:0/962001:db8::16:33:ffff:ffff
532001:db8::16:34:0:0/962001:db8::16:34:ffff:ffff
542001:db8::16:35:0:0/962001:db8::16:35:ffff:ffff
552001:db8::16:36:0:0/962001:db8::16:36:ffff:ffff
562001:db8::16:37:0:0/962001:db8::16:37:ffff:ffff
572001:db8::16:38:0:0/962001:db8::16:38:ffff:ffff
582001:db8::16:39:0:0/962001:db8::16:39:ffff:ffff
592001:db8::16:3a:0:0/962001:db8::16:3a:ffff:ffff
602001:db8::16:3b:0:0/962001:db8::16:3b:ffff:ffff
612001:db8::16:3c:0:0/962001:db8::16:3c:ffff:ffff
622001:db8::16:3d:0:0/962001:db8::16:3d:ffff:ffff
632001:db8::16:3e:0:0/962001:db8::16:3e:ffff:ffff
642001:db8::16:3f:0:0/962001:db8::16:3f:ffff:ffff
652001:db8::16:40:0:0/962001:db8::16:40:ffff:ffff
662001:db8::16:41:0:0/962001:db8::16:41:ffff:ffff
672001:db8::16:42:0:0/962001:db8::16:42:ffff:ffff
682001:db8::16:43:0:0/962001:db8::16:43:ffff:ffff
692001:db8::16:44:0:0/962001:db8::16:44:ffff:ffff
702001:db8::16:45:0:0/962001:db8::16:45:ffff:ffff
712001:db8::16:46:0:0/962001:db8::16:46:ffff:ffff
722001:db8::16:47:0:0/962001:db8::16:47:ffff:ffff
732001:db8::16:48:0:0/962001:db8::16:48:ffff:ffff
742001:db8::16:49:0:0/962001:db8::16:49:ffff:ffff
752001:db8::16:4a:0:0/962001:db8::16:4a:ffff:ffff
762001:db8::16:4b:0:0/962001:db8::16:4b:ffff:ffff
772001:db8::16:4c:0:0/962001:db8::16:4c:ffff:ffff
782001:db8::16:4d:0:0/962001:db8::16:4d:ffff:ffff
792001:db8::16:4e:0:0/962001:db8::16:4e:ffff:ffff
802001:db8::16:4f:0:0/962001:db8::16:4f:ffff:ffff
812001:db8::16:50:0:0/962001:db8::16:50:ffff:ffff
822001:db8::16:51:0:0/962001:db8::16:51:ffff:ffff
832001:db8::16:52:0:0/962001:db8::16:52:ffff:ffff
842001:db8::16:53:0:0/962001:db8::16:53:ffff:ffff
852001:db8::16:54:0:0/962001:db8::16:54:ffff:ffff
862001:db8::16:55:0:0/962001:db8::16:55:ffff:ffff
872001:db8::16:56:0:0/962001:db8::16:56:ffff:ffff
882001:db8::16:57:0:0/962001:db8::16:57:ffff:ffff
892001:db8::16:58:0:0/962001:db8::16:58:ffff:ffff
902001:db8::16:59:0:0/962001:db8::16:59:ffff:ffff
912001:db8::16:5a:0:0/962001:db8::16:5a:ffff:ffff
922001:db8::16:5b:0:0/962001:db8::16:5b:ffff:ffff
932001:db8::16:5c:0:0/962001:db8::16:5c:ffff:ffff
942001:db8::16:5d:0:0/962001:db8::16:5d:ffff:ffff
952001:db8::16:5e:0:0/962001:db8::16:5e:ffff:ffff
962001:db8::16:5f:0:0/962001:db8::16:5f:ffff:ffff
972001:db8::16:60:0:0/962001:db8::16:60:ffff:ffff
982001:db8::16:61:0:0/962001:db8::16:61:ffff:ffff
992001:db8::16:62:0:0/962001:db8::16:62:ffff:ffff
1002001:db8::16:63:0:0/962001:db8::16:63:ffff:ffff
1012001:db8::16:64:0:0/962001:db8::16:64:ffff:ffff
1022001:db8::16:65:0:0/962001:db8::16:65:ffff:ffff
1032001:db8::16:66:0:0/962001:db8::16:66:ffff:ffff
1042001:db8::16:67:0:0/962001:db8::16:67:ffff:ffff
1052001:db8::16:68:0:0/962001:db8::16:68:ffff:ffff
1062001:db8::16:69:0:0/962001:db8::16:69:ffff:ffff
1072001:db8::16:6a:0:0/962001:db8::16:6a:ffff:ffff
1082001:db8::16:6b:0:0/962001:db8::16:6b:ffff:ffff
1092001:db8::16:6c:0:0/962001:db8::16:6c:ffff:ffff
1102001:db8::16:6d:0:0/962001:db8::16:6d:ffff:ffff
1112001:db8::16:6e:0:0/962001:db8::16:6e:ffff:ffff
1122001:db8::16:6f:0:0/962001:db8::16:6f:ffff:ffff
1132001:db8::16:70:0:0/962001:db8::16:70:ffff:ffff
1142001:db8::16:71:0:0/962001:db8::16:71:ffff:ffff
1152001:db8::16:72:0:0/962001:db8::16:72:ffff:ffff
1162001:db8::16:73:0:0/962001:db8::16:73:ffff:ffff
1172001:db8::16:74:0:0/962001:db8::16:74:ffff:ffff
1182001:db8::16:75:0:0/962001:db8::16:75:ffff:ffff
1192001:db8::16:76:0:0/962001:db8::16:76:ffff:ffff
1202001:db8::16:77:0:0/962001:db8::16:77:ffff:ffff
1212001:db8::16:78:0:0/962001:db8::16:78:ffff:ffff
1222001:db8::16:79:0:0/962001:db8::16:79:ffff:ffff
1232001:db8::16:7a:0:0/962001:db8::16:7a:ffff:ffff
1242001:db8::16:7b:0:0/962001:db8::16:7b:ffff:ffff
1252001:db8::16:7c:0:0/962001:db8::16:7c:ffff:ffff
1262001:db8::16:7d:0:0/962001:db8::16:7d:ffff:ffff
1272001:db8::16:7e:0:0/962001:db8::16:7e:ffff:ffff
1282001:db8::16:7f:0:0/962001:db8::16:7f:ffff:ffff
1292001:db8::16:80:0:0/962001:db8::16:80:ffff:ffff
1302001:db8::16:81:0:0/962001:db8::16:81:ffff:ffff
1312001:db8::16:82:0:0/962001:db8::16:82:ffff:ffff
1322001:db8::16:83:0:0/962001:db8::16:83:ffff:ffff
1332001:db8::16:84:0:0/962001:db8::16:84:ffff:ffff
1342001:db8::16:85:0:0/962001:db8::16:85:ffff:ffff
1352001:db8::16:86:0:0/962001:db8::16:86:ffff:ffff
1362001:db8::16:87:0:0/962001:db8::16:87:ffff:ffff
1372001:db8::16:88:0:0/962001:db8::16:88:ffff:ffff
1382001:db8::16:89:0:0/962001:db8::16:89:ffff:ffff
1392001:db8::16:8a:0:0/962001:db8::16:8a:ffff:ffff
1402001:db8::16:8b:0:0/962001:db8::16:8b:ffff:ffff
1412001:db8::16:8c:0:0/962001:db8::16:8c:ffff:ffff
1422001:db8::16:8d:0:0/962001:db8::16:8d:ffff:ffff
1432001:db8::16:8e:0:0/962001:db8::16:8e:ffff:ffff
1442001:db8::16:8f:0:0/962001:db8::16:8f:ffff:ffff
1452001:db8::16:90:0:0/962001:db8::16:90:ffff:ffff
1462001:db8::16:91:0:0/962001:db8::16:91:ffff:ffff
1472001:db8::16:92:0:0/962001:db8::16:92:ffff:ffff
1482001:db8::16:93:0:0/962001:db8::16:93:ffff:ffff
1492001:db8::16:94:0:0/962001:db8::16:94:ffff:ffff
1502001:db8::16:95:0:0/962001:db8::16:95:ffff:ffff
1512001:db8::16:96:0:0/962001:db8::16:96:ffff:ffff
1522001:db8::16:97:0:0/962001:db8::16:97:ffff:ffff
1532001:db8::16:98:0:0/962001:db8::16:98:ffff:ffff
1542001:db8::16:99:0:0/962001:db8::16:99:ffff:ffff
1552001:db8::16:9a:0:0/962001:db8::16:9a:ffff:ffff
1562001:db8::16:9b:0:0/962001:db8::16:9b:ffff:ffff
1572001:db8::16:9c:0:0/962001:db8::16:9c:ffff:ffff
1582001:db8::16:9d:0:0/962001:db8::16:9d:ffff:ffff
1592001:db8::16:9e:0:0/962001:db8::16:9e:ffff:ffff
1602001:db8::16:9f:0:0/962001:db8::16:9f:ffff:ffff
1612001:db8::16:a0:0:0/962001:db8::16:a0:ffff:ffff
1622001:db8::16:a1:0:0/962001:db8::16:a1:ffff:ffff
1632001:db8::16:a2:0:0/962001:db8::16:a2:ffff:ffff
1642001:db8::16:a3:0:0/962001:db8::16:a3:ffff:ffff
1652001:db8::16:a4:0:0/962001:db8::16:a4:ffff:ffff
1662001:db8::16:a5:0:0/962001:db8::16:a5:ffff:ffff
1672001:db8::16:a6:0:0/962001:db8::16:a6:ffff:ffff
1682001:db8::16:a7:0:0/962001:db8::16:a7:ffff:ffff
1692001:db8::16:a8:0:0/962001:db8::16:a8:ffff:ffff
1702001:db8::16:a9:0:0/962001:db8::16:a9:ffff:ffff
1712001:db8::16:aa:0:0/962001:db8::16:aa:ffff:ffff
1722001:db8::16:ab:0:0/962001:db8::16:ab:ffff:ffff
1732001:db8::16:ac:0:0/962001:db8::16:ac:ffff:ffff
1742001:db8::16:ad:0:0/962001:db8::16:ad:ffff:ffff
1752001:db8::16:ae:0:0/962001:db8::16:ae:ffff:ffff
1762001:db8::16:af:0:0/962001:db8::16:af:ffff:ffff
1772001:db8::16:b0:0:0/962001:db8::16:b0:ffff:ffff
1782001:db8::16:b1:0:0/962001:db8::16:b1:ffff:ffff
1792001:db8::16:b2:0:0/962001:db8::16:b2:ffff:ffff
1802001:db8::16:b3:0:0/962001:db8::16:b3:ffff:ffff
1812001:db8::16:b4:0:0/962001:db8::16:b4:ffff:ffff
1822001:db8::16:b5:0:0/962001:db8::16:b5:ffff:ffff
1832001:db8::16:b6:0:0/962001:db8::16:b6:ffff:ffff
1842001:db8::16:b7:0:0/962001:db8::16:b7:ffff:ffff
1852001:db8::16:b8:0:0/962001:db8::16:b8:ffff:ffff
1862001:db8::16:b9:0:0/962001:db8::16:b9:ffff:ffff
1872001:db8::16:ba:0:0/962001:db8::16:ba:ffff:ffff
1882001:db8::16:bb:0:0/962001:db8::16:bb:ffff:ffff
1892001:db8::16:bc:0:0/962001:db8::16:bc:ffff:ffff
1902001:db8::16:bd:0:0/962001:db8::16:bd:ffff:ffff
1912001:db8::16:be:0:0/962001:db8::16:be:ffff:ffff
1922001:db8::16:bf:0:0/962001:db8::16:bf:ffff:ffff
1932001:db8::16:c0:0:0/962001:db8::16:c0:ffff:ffff
1942001:db8::16:c1:0:0/962001:db8::16:c1:ffff:ffff
1952001:db8::16:c2:0:0/962001:db8::16:c2:ffff:ffff
1962001:db8::16:c3:0:0/962001:db8::16:c3:ffff:ffff
1972001:db8::16:c4:0:0/962001:db8::16:c4:ffff:ffff
1982001:db8::16:c5:0:0/962001:db8::16:c5:ffff:ffff
1992001:db8::16:c6:0:0/962001:db8::16:c6:ffff:ffff
2002001:db8::16:c7:0:0/962001:db8::16:c7:ffff:ffff
2012001:db8::16:c8:0:0/962001:db8::16:c8:ffff:ffff
2022001:db8::16:c9:0:0/962001:db8::16:c9:ffff:ffff
2032001:db8::16:ca:0:0/962001:db8::16:ca:ffff:ffff
2042001:db8::16:cb:0:0/962001:db8::16:cb:ffff:ffff
2052001:db8::16:cc:0:0/962001:db8::16:cc:ffff:ffff
2062001:db8::16:cd:0:0/962001:db8::16:cd:ffff:ffff
2072001:db8::16:ce:0:0/962001:db8::16:ce:ffff:ffff
2082001:db8::16:cf:0:0/962001:db8::16:cf:ffff:ffff
2092001:db8::16:d0:0:0/962001:db8::16:d0:ffff:ffff
2102001:db8::16:d1:0:0/962001:db8::16:d1:ffff:ffff
2112001:db8::16:d2:0:0/962001:db8::16:d2:ffff:ffff
2122001:db8::16:d3:0:0/962001:db8::16:d3:ffff:ffff
2132001:db8::16:d4:0:0/962001:db8::16:d4:ffff:ffff
2142001:db8::16:d5:0:0/962001:db8::16:d5:ffff:ffff
2152001:db8::16:d6:0:0/962001:db8::16:d6:ffff:ffff
2162001:db8::16:d7:0:0/962001:db8::16:d7:ffff:ffff
2172001:db8::16:d8:0:0/962001:db8::16:d8:ffff:ffff
2182001:db8::16:d9:0:0/962001:db8::16:d9:ffff:ffff
2192001:db8::16:da:0:0/962001:db8::16:da:ffff:ffff
2202001:db8::16:db:0:0/962001:db8::16:db:ffff:ffff
2212001:db8::16:dc:0:0/962001:db8::16:dc:ffff:ffff
2222001:db8::16:dd:0:0/962001:db8::16:dd:ffff:ffff
2232001:db8::16:de:0:0/962001:db8::16:de:ffff:ffff
2242001:db8::16:df:0:0/962001:db8::16:df:ffff:ffff
2252001:db8::16:e0:0:0/962001:db8::16:e0:ffff:ffff
2262001:db8::16:e1:0:0/962001:db8::16:e1:ffff:ffff
2272001:db8::16:e2:0:0/962001:db8::16:e2:ffff:ffff
2282001:db8::16:e3:0:0/962001:db8::16:e3:ffff:ffff
2292001:db8::16:e4:0:0/962001:db8::16:e4:ffff:ffff
2302001:db8::16:e5:0:0/962001:db8::16:e5:ffff:ffff
2312001:db8::16:e6:0:0/962001:db8::16:e6:ffff:ffff
2322001:db8::16:e7:0:0/962001:db8::16:e7:ffff:ffff
2332001:db8::16:e8:0:0/962001:db8::16:e8:ffff:ffff
2342001:db8::16:e9:0:0/962001:db8::16:e9:ffff:ffff
2352001:db8::16:ea:0:0/962001:db8::16:ea:ffff:ffff
2362001:db8::16:eb:0:0/962001:db8::16:eb:ffff:ffff
2372001:db8::16:ec:0:0/962001:db8::16:ec:ffff:ffff
2382001:db8::16:ed:0:0/962001:db8::16:ed:ffff:ffff
2392001:db8::16:ee:0:0/962001:db8::16:ee:ffff:ffff
2402001:db8::16:ef:0:0/962001:db8::16:ef:ffff:ffff
2412001:db8::16:f0:0:0/962001:db8::16:f0:ffff:ffff
2422001:db8::16:f1:0:0/962001:db8::16:f1:ffff:ffff
2432001:db8::16:f2:0:0/962001:db8::16:f2:ffff:ffff
2442001:db8::16:f3:0:0/962001:db8::16:f3:ffff:ffff
2452001:db8::16:f4:0:0/962001:db8::16:f4:ffff:ffff
2462001:db8::16:f5:0:0/962001:db8::16:f5:ffff:ffff
2472001:db8::16:f6:0:0/962001:db8::16:f6:ffff:ffff
2482001:db8::16:f7:0:0/962001:db8::16:f7:ffff:ffff
2492001:db8::16:f8:0:0/962001:db8::16:f8:ffff:ffff
2502001:db8::16:f9:0:0/962001:db8::16:f9:ffff:ffff
2512001:db8::16:fa:0:0/962001:db8::16:fa:ffff:ffff
2522001:db8::16:fb:0:0/962001:db8::16:fb:ffff:ffff
2532001:db8::16:fc:0:0/962001:db8::16:fc:ffff:ffff
2542001:db8::16:fd:0:0/962001:db8::16:fd:ffff:ffff
2552001:db8::16:fe:0:0/962001:db8::16:fe:ffff:ffff
2562001:db8::16:ff:0:0/962001:db8::16:ff:ffff:ffff

showing 256 of 65,536

01 / table

IPv6 prefix table.

Click a prefix longer than your network to split it into subnets.

prefixaddresses/64 subnetsin your /80
/82¹²⁰2⁵⁶-
/122¹¹⁶2⁵²-
/162¹¹²2⁴⁸-
/202¹⁰⁸2⁴⁴-
/242¹⁰⁴2⁴⁰-
/282¹⁰⁰2³⁶-
/322⁹⁶4,294,967,296-
/362⁹²268,435,456-
/402⁸⁸16,777,216-
/442⁸⁴1,048,576-
/482⁸⁰65,536-
/522⁷⁶4,096-
/562⁷²256-
/602⁶⁸16-
/642⁶⁴1-
/722⁵⁶--
/802⁴⁸-1
/964,294,967,296-65,536 split →
/11265,536-4,294,967,296 split →
/120256-2⁴⁰ split →
/12416-2⁴⁴ split →
/1264-2⁴⁶ split →
/1272-2⁴⁷ split →
/1281-2⁴⁸ split →
02 / faq

About this calculator.

How do I use this IPv6 calculator?

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Type an IPv6 address followed by a prefix, like 2001:db8:abcd::1/48. Without a prefix it uses /64. The address can be written in full or shortened with ::.

Why does IPv6 have no broadcast address?

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IPv6 replaced broadcast with multicast, so no address is set aside for it. That is why this calculator shows the whole range, from the network address to the last address.

What prefix do ISPs usually hand out?

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A single LAN is almost always a /64. Home customers usually get a /56 or /60, and an organization or site usually gets a /48. One /48 holds 65,536 /64 subnets.

Learn how to work it out →