IP Find IPv6 Subnet/Network and its host address ranges

What is an IPv6 IP address its network and host address ranges?

IPv6 addresses are each 128 bits long. Because each digit in an IPv6 address can have 16 different values (from 0 to 15), each digit represents the overall value of 4 bits (one nibble), with 32 digits total. As with IPv4, CIDR notation describes ranges in terms of a common prefix of bits. For example 2001:db8::/32 means that the range described has the first 32 bits set to the binary digits 00100000000000010000110110111000. Also like IPv4, MediaWiki implements IPv6 rangeblocks using CIDR notation.
Following are the ranges of IPv6 subnet/network address and their host addresses.

IPv6 Address	IPv4 Address
b51a:901b:cb15:8045:ada8:cdcd:80fd:1901	128.253.25.1
b51a:901b:cb15:8045:ada8:cdcd:80fd:1902	128.253.25.2
b51a:901b:cb15:8045:ada8:cdcd:80fd:1903	128.253.25.3
b51a:901b:cb15:8045:ada8:cdcd:80fd:1904	128.253.25.4
b51a:901b:cb15:8045:ada8:cdcd:80fd:1905	128.253.25.5
b51a:901b:cb15:8045:ada8:cdcd:80fd:1906	128.253.25.6
b51a:901b:cb15:8045:ada8:cdcd:80fd:1907	128.253.25.7
b51a:901b:cb15:8045:ada8:cdcd:80fd:1908	128.253.25.8
b51a:901b:cb15:8045:ada8:cdcd:80fd:1909	128.253.25.9
b51a:901b:cb15:8045:ada8:cdcd:80fd:190a	128.253.25.10
b51a:901b:cb15:8045:ada8:cdcd:80fd:190b	128.253.25.11
b51a:901b:cb15:8045:ada8:cdcd:80fd:190c	128.253.25.12
b51a:901b:cb15:8045:ada8:cdcd:80fd:190d	128.253.25.13
b51a:901b:cb15:8045:ada8:cdcd:80fd:190e	128.253.25.14
b51a:901b:cb15:8045:ada8:cdcd:80fd:190f	128.253.25.15
b51a:901b:cb15:8045:ada8:cdcd:80fd:1910	128.253.25.16
b51a:901b:cb15:8045:ada8:cdcd:80fd:1911	128.253.25.17
b51a:901b:cb15:8045:ada8:cdcd:80fd:1912	128.253.25.18
b51a:901b:cb15:8045:ada8:cdcd:80fd:1913	128.253.25.19
b51a:901b:cb15:8045:ada8:cdcd:80fd:1914	128.253.25.20
b51a:901b:cb15:8045:ada8:cdcd:80fd:1915	128.253.25.21
b51a:901b:cb15:8045:ada8:cdcd:80fd:1916	128.253.25.22
b51a:901b:cb15:8045:ada8:cdcd:80fd:1917	128.253.25.23
b51a:901b:cb15:8045:ada8:cdcd:80fd:1918	128.253.25.24
b51a:901b:cb15:8045:ada8:cdcd:80fd:1919	128.253.25.25
b51a:901b:cb15:8045:ada8:cdcd:80fd:191a	128.253.25.26
b51a:901b:cb15:8045:ada8:cdcd:80fd:191b	128.253.25.27
b51a:901b:cb15:8045:ada8:cdcd:80fd:191c	128.253.25.28
b51a:901b:cb15:8045:ada8:cdcd:80fd:191d	128.253.25.29
b51a:901b:cb15:8045:ada8:cdcd:80fd:191e	128.253.25.30
b51a:901b:cb15:8045:ada8:cdcd:80fd:191f	128.253.25.31
b51a:901b:cb15:8045:ada8:cdcd:80fd:1920	128.253.25.32
b51a:901b:cb15:8045:ada8:cdcd:80fd:1921	128.253.25.33
b51a:901b:cb15:8045:ada8:cdcd:80fd:1922	128.253.25.34
b51a:901b:cb15:8045:ada8:cdcd:80fd:1923	128.253.25.35
b51a:901b:cb15:8045:ada8:cdcd:80fd:1924	128.253.25.36
b51a:901b:cb15:8045:ada8:cdcd:80fd:1925	128.253.25.37
b51a:901b:cb15:8045:ada8:cdcd:80fd:1926	128.253.25.38
b51a:901b:cb15:8045:ada8:cdcd:80fd:1927	128.253.25.39
b51a:901b:cb15:8045:ada8:cdcd:80fd:1928	128.253.25.40
b51a:901b:cb15:8045:ada8:cdcd:80fd:1929	128.253.25.41
b51a:901b:cb15:8045:ada8:cdcd:80fd:192a	128.253.25.42
b51a:901b:cb15:8045:ada8:cdcd:80fd:192b	128.253.25.43
b51a:901b:cb15:8045:ada8:cdcd:80fd:192c	128.253.25.44
b51a:901b:cb15:8045:ada8:cdcd:80fd:192d	128.253.25.45
b51a:901b:cb15:8045:ada8:cdcd:80fd:192e	128.253.25.46
b51a:901b:cb15:8045:ada8:cdcd:80fd:192f	128.253.25.47
b51a:901b:cb15:8045:ada8:cdcd:80fd:1930	128.253.25.48
b51a:901b:cb15:8045:ada8:cdcd:80fd:1931	128.253.25.49
b51a:901b:cb15:8045:ada8:cdcd:80fd:1932	128.253.25.50
b51a:901b:cb15:8045:ada8:cdcd:80fd:1933	128.253.25.51
b51a:901b:cb15:8045:ada8:cdcd:80fd:1934	128.253.25.52
b51a:901b:cb15:8045:ada8:cdcd:80fd:1935	128.253.25.53
b51a:901b:cb15:8045:ada8:cdcd:80fd:1936	128.253.25.54
b51a:901b:cb15:8045:ada8:cdcd:80fd:1937	128.253.25.55
b51a:901b:cb15:8045:ada8:cdcd:80fd:1938	128.253.25.56
b51a:901b:cb15:8045:ada8:cdcd:80fd:1939	128.253.25.57
b51a:901b:cb15:8045:ada8:cdcd:80fd:193a	128.253.25.58
b51a:901b:cb15:8045:ada8:cdcd:80fd:193b	128.253.25.59
b51a:901b:cb15:8045:ada8:cdcd:80fd:193c	128.253.25.60

b51a:901b:cb15:8045:ada8:cdcd:80fd:193d	128.253.25.61
b51a:901b:cb15:8045:ada8:cdcd:80fd:193e	128.253.25.62
b51a:901b:cb15:8045:ada8:cdcd:80fd:193f	128.253.25.63
b51a:901b:cb15:8045:ada8:cdcd:80fd:1940	128.253.25.64
b51a:901b:cb15:8045:ada8:cdcd:80fd:1941	128.253.25.65
b51a:901b:cb15:8045:ada8:cdcd:80fd:1942	128.253.25.66
b51a:901b:cb15:8045:ada8:cdcd:80fd:1943	128.253.25.67
b51a:901b:cb15:8045:ada8:cdcd:80fd:1944	128.253.25.68
b51a:901b:cb15:8045:ada8:cdcd:80fd:1945	128.253.25.69
b51a:901b:cb15:8045:ada8:cdcd:80fd:1946	128.253.25.70
b51a:901b:cb15:8045:ada8:cdcd:80fd:1947	128.253.25.71
b51a:901b:cb15:8045:ada8:cdcd:80fd:1948	128.253.25.72
b51a:901b:cb15:8045:ada8:cdcd:80fd:1949	128.253.25.73
b51a:901b:cb15:8045:ada8:cdcd:80fd:194a	128.253.25.74
b51a:901b:cb15:8045:ada8:cdcd:80fd:194b	128.253.25.75
b51a:901b:cb15:8045:ada8:cdcd:80fd:194c	128.253.25.76
b51a:901b:cb15:8045:ada8:cdcd:80fd:194d	128.253.25.77
b51a:901b:cb15:8045:ada8:cdcd:80fd:194e	128.253.25.78
b51a:901b:cb15:8045:ada8:cdcd:80fd:194f	128.253.25.79
b51a:901b:cb15:8045:ada8:cdcd:80fd:1950	128.253.25.80
b51a:901b:cb15:8045:ada8:cdcd:80fd:1951	128.253.25.81
b51a:901b:cb15:8045:ada8:cdcd:80fd:1952	128.253.25.82
b51a:901b:cb15:8045:ada8:cdcd:80fd:1953	128.253.25.83
b51a:901b:cb15:8045:ada8:cdcd:80fd:1954	128.253.25.84
b51a:901b:cb15:8045:ada8:cdcd:80fd:1955	128.253.25.85
b51a:901b:cb15:8045:ada8:cdcd:80fd:1956	128.253.25.86
b51a:901b:cb15:8045:ada8:cdcd:80fd:1957	128.253.25.87
b51a:901b:cb15:8045:ada8:cdcd:80fd:1958	128.253.25.88
b51a:901b:cb15:8045:ada8:cdcd:80fd:1959	128.253.25.89
b51a:901b:cb15:8045:ada8:cdcd:80fd:195a	128.253.25.90
b51a:901b:cb15:8045:ada8:cdcd:80fd:195b	128.253.25.91
b51a:901b:cb15:8045:ada8:cdcd:80fd:195c	128.253.25.92
b51a:901b:cb15:8045:ada8:cdcd:80fd:195d	128.253.25.93
b51a:901b:cb15:8045:ada8:cdcd:80fd:195e	128.253.25.94
b51a:901b:cb15:8045:ada8:cdcd:80fd:195f	128.253.25.95
b51a:901b:cb15:8045:ada8:cdcd:80fd:1960	128.253.25.96
b51a:901b:cb15:8045:ada8:cdcd:80fd:1961	128.253.25.97
b51a:901b:cb15:8045:ada8:cdcd:80fd:1962	128.253.25.98
b51a:901b:cb15:8045:ada8:cdcd:80fd:1963	128.253.25.99
b51a:901b:cb15:8045:ada8:cdcd:80fd:1964	128.253.25.100
b51a:901b:cb15:8045:ada8:cdcd:80fd:1965	128.253.25.101
b51a:901b:cb15:8045:ada8:cdcd:80fd:1966	128.253.25.102
b51a:901b:cb15:8045:ada8:cdcd:80fd:1967	128.253.25.103
b51a:901b:cb15:8045:ada8:cdcd:80fd:1968	128.253.25.104
b51a:901b:cb15:8045:ada8:cdcd:80fd:1969	128.253.25.105
b51a:901b:cb15:8045:ada8:cdcd:80fd:196a	128.253.25.106
b51a:901b:cb15:8045:ada8:cdcd:80fd:196b	128.253.25.107
b51a:901b:cb15:8045:ada8:cdcd:80fd:196c	128.253.25.108
b51a:901b:cb15:8045:ada8:cdcd:80fd:196d	128.253.25.109
b51a:901b:cb15:8045:ada8:cdcd:80fd:196e	128.253.25.110
b51a:901b:cb15:8045:ada8:cdcd:80fd:196f	128.253.25.111
b51a:901b:cb15:8045:ada8:cdcd:80fd:1970	128.253.25.112
b51a:901b:cb15:8045:ada8:cdcd:80fd:1971	128.253.25.113
b51a:901b:cb15:8045:ada8:cdcd:80fd:1972	128.253.25.114
b51a:901b:cb15:8045:ada8:cdcd:80fd:1973	128.253.25.115
b51a:901b:cb15:8045:ada8:cdcd:80fd:1974	128.253.25.116
b51a:901b:cb15:8045:ada8:cdcd:80fd:1975	128.253.25.117
b51a:901b:cb15:8045:ada8:cdcd:80fd:1976	128.253.25.118
b51a:901b:cb15:8045:ada8:cdcd:80fd:1977	128.253.25.119
b51a:901b:cb15:8045:ada8:cdcd:80fd:1978	128.253.25.120

b51a:901b:cb15:8045:ada8:cdcd:80fd:1979	128.253.25.121
b51a:901b:cb15:8045:ada8:cdcd:80fd:197a	128.253.25.122
b51a:901b:cb15:8045:ada8:cdcd:80fd:197b	128.253.25.123
b51a:901b:cb15:8045:ada8:cdcd:80fd:197c	128.253.25.124
b51a:901b:cb15:8045:ada8:cdcd:80fd:197d	128.253.25.125
b51a:901b:cb15:8045:ada8:cdcd:80fd:197e	128.253.25.126
b51a:901b:cb15:8045:ada8:cdcd:80fd:197f	128.253.25.127
b51a:901b:cb15:8045:ada8:cdcd:80fd:1980	128.253.25.128
b51a:901b:cb15:8045:ada8:cdcd:80fd:1981	128.253.25.129
b51a:901b:cb15:8045:ada8:cdcd:80fd:1982	128.253.25.130
b51a:901b:cb15:8045:ada8:cdcd:80fd:1983	128.253.25.131
b51a:901b:cb15:8045:ada8:cdcd:80fd:1984	128.253.25.132
b51a:901b:cb15:8045:ada8:cdcd:80fd:1985	128.253.25.133
b51a:901b:cb15:8045:ada8:cdcd:80fd:1986	128.253.25.134
b51a:901b:cb15:8045:ada8:cdcd:80fd:1987	128.253.25.135
b51a:901b:cb15:8045:ada8:cdcd:80fd:1988	128.253.25.136
b51a:901b:cb15:8045:ada8:cdcd:80fd:1989	128.253.25.137
b51a:901b:cb15:8045:ada8:cdcd:80fd:198a	128.253.25.138
b51a:901b:cb15:8045:ada8:cdcd:80fd:198b	128.253.25.139
b51a:901b:cb15:8045:ada8:cdcd:80fd:198c	128.253.25.140
b51a:901b:cb15:8045:ada8:cdcd:80fd:198d	128.253.25.141
b51a:901b:cb15:8045:ada8:cdcd:80fd:198e	128.253.25.142
b51a:901b:cb15:8045:ada8:cdcd:80fd:198f	128.253.25.143
b51a:901b:cb15:8045:ada8:cdcd:80fd:1990	128.253.25.144
b51a:901b:cb15:8045:ada8:cdcd:80fd:1991	128.253.25.145
b51a:901b:cb15:8045:ada8:cdcd:80fd:1992	128.253.25.146
b51a:901b:cb15:8045:ada8:cdcd:80fd:1993	128.253.25.147
b51a:901b:cb15:8045:ada8:cdcd:80fd:1994	128.253.25.148
b51a:901b:cb15:8045:ada8:cdcd:80fd:1995	128.253.25.149
b51a:901b:cb15:8045:ada8:cdcd:80fd:1996	128.253.25.150
b51a:901b:cb15:8045:ada8:cdcd:80fd:1997	128.253.25.151
b51a:901b:cb15:8045:ada8:cdcd:80fd:1998	128.253.25.152
b51a:901b:cb15:8045:ada8:cdcd:80fd:1999	128.253.25.153
b51a:901b:cb15:8045:ada8:cdcd:80fd:199a	128.253.25.154
b51a:901b:cb15:8045:ada8:cdcd:80fd:199b	128.253.25.155
b51a:901b:cb15:8045:ada8:cdcd:80fd:199c	128.253.25.156
b51a:901b:cb15:8045:ada8:cdcd:80fd:199d	128.253.25.157
b51a:901b:cb15:8045:ada8:cdcd:80fd:199e	128.253.25.158
b51a:901b:cb15:8045:ada8:cdcd:80fd:199f	128.253.25.159
b51a:901b:cb15:8045:ada8:cdcd:80fd:19a0	128.253.25.160
b51a:901b:cb15:8045:ada8:cdcd:80fd:19a1	128.253.25.161
b51a:901b:cb15:8045:ada8:cdcd:80fd:19a2	128.253.25.162
b51a:901b:cb15:8045:ada8:cdcd:80fd:19a3	128.253.25.163
b51a:901b:cb15:8045:ada8:cdcd:80fd:19a4	128.253.25.164
b51a:901b:cb15:8045:ada8:cdcd:80fd:19a5	128.253.25.165
b51a:901b:cb15:8045:ada8:cdcd:80fd:19a6	128.253.25.166
b51a:901b:cb15:8045:ada8:cdcd:80fd:19a7	128.253.25.167
b51a:901b:cb15:8045:ada8:cdcd:80fd:19a8	128.253.25.168
b51a:901b:cb15:8045:ada8:cdcd:80fd:19a9	128.253.25.169
b51a:901b:cb15:8045:ada8:cdcd:80fd:19aa	128.253.25.170
b51a:901b:cb15:8045:ada8:cdcd:80fd:19ab	128.253.25.171
b51a:901b:cb15:8045:ada8:cdcd:80fd:19ac	128.253.25.172
b51a:901b:cb15:8045:ada8:cdcd:80fd:19ad	128.253.25.173
b51a:901b:cb15:8045:ada8:cdcd:80fd:19ae	128.253.25.174
b51a:901b:cb15:8045:ada8:cdcd:80fd:19af	128.253.25.175
b51a:901b:cb15:8045:ada8:cdcd:80fd:19b0	128.253.25.176
b51a:901b:cb15:8045:ada8:cdcd:80fd:19b1	128.253.25.177
b51a:901b:cb15:8045:ada8:cdcd:80fd:19b2	128.253.25.178
b51a:901b:cb15:8045:ada8:cdcd:80fd:19b3	128.253.25.179
b51a:901b:cb15:8045:ada8:cdcd:80fd:19b4	128.253.25.180

b51a:901b:cb15:8045:ada8:cdcd:80fd:19b5	128.253.25.181
b51a:901b:cb15:8045:ada8:cdcd:80fd:19b6	128.253.25.182
b51a:901b:cb15:8045:ada8:cdcd:80fd:19b7	128.253.25.183
b51a:901b:cb15:8045:ada8:cdcd:80fd:19b8	128.253.25.184
b51a:901b:cb15:8045:ada8:cdcd:80fd:19b9	128.253.25.185
b51a:901b:cb15:8045:ada8:cdcd:80fd:19ba	128.253.25.186
b51a:901b:cb15:8045:ada8:cdcd:80fd:19bb	128.253.25.187
b51a:901b:cb15:8045:ada8:cdcd:80fd:19bc	128.253.25.188
b51a:901b:cb15:8045:ada8:cdcd:80fd:19bd	128.253.25.189
b51a:901b:cb15:8045:ada8:cdcd:80fd:19be	128.253.25.190
b51a:901b:cb15:8045:ada8:cdcd:80fd:19bf	128.253.25.191
b51a:901b:cb15:8045:ada8:cdcd:80fd:19c0	128.253.25.192
b51a:901b:cb15:8045:ada8:cdcd:80fd:19c1	128.253.25.193
b51a:901b:cb15:8045:ada8:cdcd:80fd:19c2	128.253.25.194
b51a:901b:cb15:8045:ada8:cdcd:80fd:19c3	128.253.25.195
b51a:901b:cb15:8045:ada8:cdcd:80fd:19c4	128.253.25.196
b51a:901b:cb15:8045:ada8:cdcd:80fd:19c5	128.253.25.197
b51a:901b:cb15:8045:ada8:cdcd:80fd:19c6	128.253.25.198
b51a:901b:cb15:8045:ada8:cdcd:80fd:19c7	128.253.25.199
b51a:901b:cb15:8045:ada8:cdcd:80fd:19c8	128.253.25.200
b51a:901b:cb15:8045:ada8:cdcd:80fd:19c9	128.253.25.201
b51a:901b:cb15:8045:ada8:cdcd:80fd:19ca	128.253.25.202
b51a:901b:cb15:8045:ada8:cdcd:80fd:19cb	128.253.25.203
b51a:901b:cb15:8045:ada8:cdcd:80fd:19cc	128.253.25.204
b51a:901b:cb15:8045:ada8:cdcd:80fd:19cd	128.253.25.205
b51a:901b:cb15:8045:ada8:cdcd:80fd:19ce	128.253.25.206
b51a:901b:cb15:8045:ada8:cdcd:80fd:19cf	128.253.25.207
b51a:901b:cb15:8045:ada8:cdcd:80fd:19d0	128.253.25.208
b51a:901b:cb15:8045:ada8:cdcd:80fd:19d1	128.253.25.209
b51a:901b:cb15:8045:ada8:cdcd:80fd:19d2	128.253.25.210
b51a:901b:cb15:8045:ada8:cdcd:80fd:19d3	128.253.25.211
b51a:901b:cb15:8045:ada8:cdcd:80fd:19d4	128.253.25.212
b51a:901b:cb15:8045:ada8:cdcd:80fd:19d5	128.253.25.213
b51a:901b:cb15:8045:ada8:cdcd:80fd:19d6	128.253.25.214
b51a:901b:cb15:8045:ada8:cdcd:80fd:19d7	128.253.25.215
b51a:901b:cb15:8045:ada8:cdcd:80fd:19d8	128.253.25.216
b51a:901b:cb15:8045:ada8:cdcd:80fd:19d9	128.253.25.217
b51a:901b:cb15:8045:ada8:cdcd:80fd:19da	128.253.25.218
b51a:901b:cb15:8045:ada8:cdcd:80fd:19db	128.253.25.219
b51a:901b:cb15:8045:ada8:cdcd:80fd:19dc	128.253.25.220
b51a:901b:cb15:8045:ada8:cdcd:80fd:19dd	128.253.25.221
b51a:901b:cb15:8045:ada8:cdcd:80fd:19de	128.253.25.222
b51a:901b:cb15:8045:ada8:cdcd:80fd:19df	128.253.25.223
b51a:901b:cb15:8045:ada8:cdcd:80fd:19e0	128.253.25.224
b51a:901b:cb15:8045:ada8:cdcd:80fd:19e1	128.253.25.225
b51a:901b:cb15:8045:ada8:cdcd:80fd:19e2	128.253.25.226
b51a:901b:cb15:8045:ada8:cdcd:80fd:19e3	128.253.25.227
b51a:901b:cb15:8045:ada8:cdcd:80fd:19e4	128.253.25.228
b51a:901b:cb15:8045:ada8:cdcd:80fd:19e5	128.253.25.229
b51a:901b:cb15:8045:ada8:cdcd:80fd:19e6	128.253.25.230
b51a:901b:cb15:8045:ada8:cdcd:80fd:19e7	128.253.25.231
b51a:901b:cb15:8045:ada8:cdcd:80fd:19e8	128.253.25.232
b51a:901b:cb15:8045:ada8:cdcd:80fd:19e9	128.253.25.233
b51a:901b:cb15:8045:ada8:cdcd:80fd:19ea	128.253.25.234
b51a:901b:cb15:8045:ada8:cdcd:80fd:19eb	128.253.25.235
b51a:901b:cb15:8045:ada8:cdcd:80fd:19ec	128.253.25.236
b51a:901b:cb15:8045:ada8:cdcd:80fd:19ed	128.253.25.237
b51a:901b:cb15:8045:ada8:cdcd:80fd:19ee	128.253.25.238
b51a:901b:cb15:8045:ada8:cdcd:80fd:19ef	128.253.25.239
b51a:901b:cb15:8045:ada8:cdcd:80fd:19f0	128.253.25.240
b51a:901b:cb15:8045:ada8:cdcd:80fd:19f1	128.253.25.241
b51a:901b:cb15:8045:ada8:cdcd:80fd:19f2	128.253.25.242
b51a:901b:cb15:8045:ada8:cdcd:80fd:19f3	128.253.25.243
b51a:901b:cb15:8045:ada8:cdcd:80fd:19f4	128.253.25.244
b51a:901b:cb15:8045:ada8:cdcd:80fd:19f5	128.253.25.245
b51a:901b:cb15:8045:ada8:cdcd:80fd:19f6	128.253.25.246
b51a:901b:cb15:8045:ada8:cdcd:80fd:19f7	128.253.25.247
b51a:901b:cb15:8045:ada8:cdcd:80fd:19f8	128.253.25.248
b51a:901b:cb15:8045:ada8:cdcd:80fd:19f9	128.253.25.249
b51a:901b:cb15:8045:ada8:cdcd:80fd:19fa	128.253.25.250
b51a:901b:cb15:8045:ada8:cdcd:80fd:19fb	128.253.25.251
b51a:901b:cb15:8045:ada8:cdcd:80fd:19fc	128.253.25.252
b51a:901b:cb15:8045:ada8:cdcd:80fd:19fd	128.253.25.253
b51a:901b:cb15:8045:ada8:cdcd:80fd:19fe	128.253.25.254
b51a:901b:cb15:8045:ada8:cdcd:80fd:19ff	128.253.25.255

How IPv6 host addresses we calculated?

As we explained above IPv6 IP version is 128 bit long. Our system get IPv6 IP address as input in URL parameter value with its CIDR & get its all host address ranges from our largest database get back its start range and last range with its relevant CIDR at the end final IPv6 which converts into IPv4 IP address by our tool IPv6 to IPv4 converter.