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:cd72:3fd1:b901	63.209.185.1
b51a:901b:cb15:8045:ada8:cd72:3fd1:b902	63.209.185.2
b51a:901b:cb15:8045:ada8:cd72:3fd1:b903	63.209.185.3
b51a:901b:cb15:8045:ada8:cd72:3fd1:b904	63.209.185.4
b51a:901b:cb15:8045:ada8:cd72:3fd1:b905	63.209.185.5
b51a:901b:cb15:8045:ada8:cd72:3fd1:b906	63.209.185.6
b51a:901b:cb15:8045:ada8:cd72:3fd1:b907	63.209.185.7
b51a:901b:cb15:8045:ada8:cd72:3fd1:b908	63.209.185.8
b51a:901b:cb15:8045:ada8:cd72:3fd1:b909	63.209.185.9
b51a:901b:cb15:8045:ada8:cd72:3fd1:b90a	63.209.185.10
b51a:901b:cb15:8045:ada8:cd72:3fd1:b90b	63.209.185.11
b51a:901b:cb15:8045:ada8:cd72:3fd1:b90c	63.209.185.12
b51a:901b:cb15:8045:ada8:cd72:3fd1:b90d	63.209.185.13
b51a:901b:cb15:8045:ada8:cd72:3fd1:b90e	63.209.185.14
b51a:901b:cb15:8045:ada8:cd72:3fd1:b90f	63.209.185.15
b51a:901b:cb15:8045:ada8:cd72:3fd1:b910	63.209.185.16
b51a:901b:cb15:8045:ada8:cd72:3fd1:b911	63.209.185.17
b51a:901b:cb15:8045:ada8:cd72:3fd1:b912	63.209.185.18
b51a:901b:cb15:8045:ada8:cd72:3fd1:b913	63.209.185.19
b51a:901b:cb15:8045:ada8:cd72:3fd1:b914	63.209.185.20
b51a:901b:cb15:8045:ada8:cd72:3fd1:b915	63.209.185.21
b51a:901b:cb15:8045:ada8:cd72:3fd1:b916	63.209.185.22
b51a:901b:cb15:8045:ada8:cd72:3fd1:b917	63.209.185.23
b51a:901b:cb15:8045:ada8:cd72:3fd1:b918	63.209.185.24
b51a:901b:cb15:8045:ada8:cd72:3fd1:b919	63.209.185.25
b51a:901b:cb15:8045:ada8:cd72:3fd1:b91a	63.209.185.26
b51a:901b:cb15:8045:ada8:cd72:3fd1:b91b	63.209.185.27
b51a:901b:cb15:8045:ada8:cd72:3fd1:b91c	63.209.185.28
b51a:901b:cb15:8045:ada8:cd72:3fd1:b91d	63.209.185.29
b51a:901b:cb15:8045:ada8:cd72:3fd1:b91e	63.209.185.30
b51a:901b:cb15:8045:ada8:cd72:3fd1:b91f	63.209.185.31
b51a:901b:cb15:8045:ada8:cd72:3fd1:b920	63.209.185.32
b51a:901b:cb15:8045:ada8:cd72:3fd1:b921	63.209.185.33
b51a:901b:cb15:8045:ada8:cd72:3fd1:b922	63.209.185.34
b51a:901b:cb15:8045:ada8:cd72:3fd1:b923	63.209.185.35
b51a:901b:cb15:8045:ada8:cd72:3fd1:b924	63.209.185.36
b51a:901b:cb15:8045:ada8:cd72:3fd1:b925	63.209.185.37
b51a:901b:cb15:8045:ada8:cd72:3fd1:b926	63.209.185.38
b51a:901b:cb15:8045:ada8:cd72:3fd1:b927	63.209.185.39
b51a:901b:cb15:8045:ada8:cd72:3fd1:b928	63.209.185.40
b51a:901b:cb15:8045:ada8:cd72:3fd1:b929	63.209.185.41
b51a:901b:cb15:8045:ada8:cd72:3fd1:b92a	63.209.185.42
b51a:901b:cb15:8045:ada8:cd72:3fd1:b92b	63.209.185.43
b51a:901b:cb15:8045:ada8:cd72:3fd1:b92c	63.209.185.44
b51a:901b:cb15:8045:ada8:cd72:3fd1:b92d	63.209.185.45
b51a:901b:cb15:8045:ada8:cd72:3fd1:b92e	63.209.185.46
b51a:901b:cb15:8045:ada8:cd72:3fd1:b92f	63.209.185.47
b51a:901b:cb15:8045:ada8:cd72:3fd1:b930	63.209.185.48
b51a:901b:cb15:8045:ada8:cd72:3fd1:b931	63.209.185.49
b51a:901b:cb15:8045:ada8:cd72:3fd1:b932	63.209.185.50
b51a:901b:cb15:8045:ada8:cd72:3fd1:b933	63.209.185.51
b51a:901b:cb15:8045:ada8:cd72:3fd1:b934	63.209.185.52
b51a:901b:cb15:8045:ada8:cd72:3fd1:b935	63.209.185.53
b51a:901b:cb15:8045:ada8:cd72:3fd1:b936	63.209.185.54
b51a:901b:cb15:8045:ada8:cd72:3fd1:b937	63.209.185.55
b51a:901b:cb15:8045:ada8:cd72:3fd1:b938	63.209.185.56
b51a:901b:cb15:8045:ada8:cd72:3fd1:b939	63.209.185.57
b51a:901b:cb15:8045:ada8:cd72:3fd1:b93a	63.209.185.58
b51a:901b:cb15:8045:ada8:cd72:3fd1:b93b	63.209.185.59
b51a:901b:cb15:8045:ada8:cd72:3fd1:b93c	63.209.185.60

b51a:901b:cb15:8045:ada8:cd72:3fd1:b93d	63.209.185.61
b51a:901b:cb15:8045:ada8:cd72:3fd1:b93e	63.209.185.62
b51a:901b:cb15:8045:ada8:cd72:3fd1:b93f	63.209.185.63
b51a:901b:cb15:8045:ada8:cd72:3fd1:b940	63.209.185.64
b51a:901b:cb15:8045:ada8:cd72:3fd1:b941	63.209.185.65
b51a:901b:cb15:8045:ada8:cd72:3fd1:b942	63.209.185.66
b51a:901b:cb15:8045:ada8:cd72:3fd1:b943	63.209.185.67
b51a:901b:cb15:8045:ada8:cd72:3fd1:b944	63.209.185.68
b51a:901b:cb15:8045:ada8:cd72:3fd1:b945	63.209.185.69
b51a:901b:cb15:8045:ada8:cd72:3fd1:b946	63.209.185.70
b51a:901b:cb15:8045:ada8:cd72:3fd1:b947	63.209.185.71
b51a:901b:cb15:8045:ada8:cd72:3fd1:b948	63.209.185.72
b51a:901b:cb15:8045:ada8:cd72:3fd1:b949	63.209.185.73
b51a:901b:cb15:8045:ada8:cd72:3fd1:b94a	63.209.185.74
b51a:901b:cb15:8045:ada8:cd72:3fd1:b94b	63.209.185.75
b51a:901b:cb15:8045:ada8:cd72:3fd1:b94c	63.209.185.76
b51a:901b:cb15:8045:ada8:cd72:3fd1:b94d	63.209.185.77
b51a:901b:cb15:8045:ada8:cd72:3fd1:b94e	63.209.185.78
b51a:901b:cb15:8045:ada8:cd72:3fd1:b94f	63.209.185.79
b51a:901b:cb15:8045:ada8:cd72:3fd1:b950	63.209.185.80
b51a:901b:cb15:8045:ada8:cd72:3fd1:b951	63.209.185.81
b51a:901b:cb15:8045:ada8:cd72:3fd1:b952	63.209.185.82
b51a:901b:cb15:8045:ada8:cd72:3fd1:b953	63.209.185.83
b51a:901b:cb15:8045:ada8:cd72:3fd1:b954	63.209.185.84
b51a:901b:cb15:8045:ada8:cd72:3fd1:b955	63.209.185.85
b51a:901b:cb15:8045:ada8:cd72:3fd1:b956	63.209.185.86
b51a:901b:cb15:8045:ada8:cd72:3fd1:b957	63.209.185.87
b51a:901b:cb15:8045:ada8:cd72:3fd1:b958	63.209.185.88
b51a:901b:cb15:8045:ada8:cd72:3fd1:b959	63.209.185.89
b51a:901b:cb15:8045:ada8:cd72:3fd1:b95a	63.209.185.90
b51a:901b:cb15:8045:ada8:cd72:3fd1:b95b	63.209.185.91
b51a:901b:cb15:8045:ada8:cd72:3fd1:b95c	63.209.185.92
b51a:901b:cb15:8045:ada8:cd72:3fd1:b95d	63.209.185.93
b51a:901b:cb15:8045:ada8:cd72:3fd1:b95e	63.209.185.94
b51a:901b:cb15:8045:ada8:cd72:3fd1:b95f	63.209.185.95
b51a:901b:cb15:8045:ada8:cd72:3fd1:b960	63.209.185.96
b51a:901b:cb15:8045:ada8:cd72:3fd1:b961	63.209.185.97
b51a:901b:cb15:8045:ada8:cd72:3fd1:b962	63.209.185.98
b51a:901b:cb15:8045:ada8:cd72:3fd1:b963	63.209.185.99
b51a:901b:cb15:8045:ada8:cd72:3fd1:b964	63.209.185.100
b51a:901b:cb15:8045:ada8:cd72:3fd1:b965	63.209.185.101
b51a:901b:cb15:8045:ada8:cd72:3fd1:b966	63.209.185.102
b51a:901b:cb15:8045:ada8:cd72:3fd1:b967	63.209.185.103
b51a:901b:cb15:8045:ada8:cd72:3fd1:b968	63.209.185.104
b51a:901b:cb15:8045:ada8:cd72:3fd1:b969	63.209.185.105
b51a:901b:cb15:8045:ada8:cd72:3fd1:b96a	63.209.185.106
b51a:901b:cb15:8045:ada8:cd72:3fd1:b96b	63.209.185.107
b51a:901b:cb15:8045:ada8:cd72:3fd1:b96c	63.209.185.108
b51a:901b:cb15:8045:ada8:cd72:3fd1:b96d	63.209.185.109
b51a:901b:cb15:8045:ada8:cd72:3fd1:b96e	63.209.185.110
b51a:901b:cb15:8045:ada8:cd72:3fd1:b96f	63.209.185.111
b51a:901b:cb15:8045:ada8:cd72:3fd1:b970	63.209.185.112
b51a:901b:cb15:8045:ada8:cd72:3fd1:b971	63.209.185.113
b51a:901b:cb15:8045:ada8:cd72:3fd1:b972	63.209.185.114
b51a:901b:cb15:8045:ada8:cd72:3fd1:b973	63.209.185.115
b51a:901b:cb15:8045:ada8:cd72:3fd1:b974	63.209.185.116
b51a:901b:cb15:8045:ada8:cd72:3fd1:b975	63.209.185.117
b51a:901b:cb15:8045:ada8:cd72:3fd1:b976	63.209.185.118
b51a:901b:cb15:8045:ada8:cd72:3fd1:b977	63.209.185.119
b51a:901b:cb15:8045:ada8:cd72:3fd1:b978	63.209.185.120

b51a:901b:cb15:8045:ada8:cd72:3fd1:b979	63.209.185.121
b51a:901b:cb15:8045:ada8:cd72:3fd1:b97a	63.209.185.122
b51a:901b:cb15:8045:ada8:cd72:3fd1:b97b	63.209.185.123
b51a:901b:cb15:8045:ada8:cd72:3fd1:b97c	63.209.185.124
b51a:901b:cb15:8045:ada8:cd72:3fd1:b97d	63.209.185.125
b51a:901b:cb15:8045:ada8:cd72:3fd1:b97e	63.209.185.126
b51a:901b:cb15:8045:ada8:cd72:3fd1:b97f	63.209.185.127
b51a:901b:cb15:8045:ada8:cd72:3fd1:b980	63.209.185.128
b51a:901b:cb15:8045:ada8:cd72:3fd1:b981	63.209.185.129
b51a:901b:cb15:8045:ada8:cd72:3fd1:b982	63.209.185.130
b51a:901b:cb15:8045:ada8:cd72:3fd1:b983	63.209.185.131
b51a:901b:cb15:8045:ada8:cd72:3fd1:b984	63.209.185.132
b51a:901b:cb15:8045:ada8:cd72:3fd1:b985	63.209.185.133
b51a:901b:cb15:8045:ada8:cd72:3fd1:b986	63.209.185.134
b51a:901b:cb15:8045:ada8:cd72:3fd1:b987	63.209.185.135
b51a:901b:cb15:8045:ada8:cd72:3fd1:b988	63.209.185.136
b51a:901b:cb15:8045:ada8:cd72:3fd1:b989	63.209.185.137
b51a:901b:cb15:8045:ada8:cd72:3fd1:b98a	63.209.185.138
b51a:901b:cb15:8045:ada8:cd72:3fd1:b98b	63.209.185.139
b51a:901b:cb15:8045:ada8:cd72:3fd1:b98c	63.209.185.140
b51a:901b:cb15:8045:ada8:cd72:3fd1:b98d	63.209.185.141
b51a:901b:cb15:8045:ada8:cd72:3fd1:b98e	63.209.185.142
b51a:901b:cb15:8045:ada8:cd72:3fd1:b98f	63.209.185.143
b51a:901b:cb15:8045:ada8:cd72:3fd1:b990	63.209.185.144
b51a:901b:cb15:8045:ada8:cd72:3fd1:b991	63.209.185.145
b51a:901b:cb15:8045:ada8:cd72:3fd1:b992	63.209.185.146
b51a:901b:cb15:8045:ada8:cd72:3fd1:b993	63.209.185.147
b51a:901b:cb15:8045:ada8:cd72:3fd1:b994	63.209.185.148
b51a:901b:cb15:8045:ada8:cd72:3fd1:b995	63.209.185.149
b51a:901b:cb15:8045:ada8:cd72:3fd1:b996	63.209.185.150
b51a:901b:cb15:8045:ada8:cd72:3fd1:b997	63.209.185.151
b51a:901b:cb15:8045:ada8:cd72:3fd1:b998	63.209.185.152
b51a:901b:cb15:8045:ada8:cd72:3fd1:b999	63.209.185.153
b51a:901b:cb15:8045:ada8:cd72:3fd1:b99a	63.209.185.154
b51a:901b:cb15:8045:ada8:cd72:3fd1:b99b	63.209.185.155
b51a:901b:cb15:8045:ada8:cd72:3fd1:b99c	63.209.185.156
b51a:901b:cb15:8045:ada8:cd72:3fd1:b99d	63.209.185.157
b51a:901b:cb15:8045:ada8:cd72:3fd1:b99e	63.209.185.158
b51a:901b:cb15:8045:ada8:cd72:3fd1:b99f	63.209.185.159
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9a0	63.209.185.160
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9a1	63.209.185.161
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9a2	63.209.185.162
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9a3	63.209.185.163
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9a4	63.209.185.164
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9a5	63.209.185.165
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9a6	63.209.185.166
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9a7	63.209.185.167
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9a8	63.209.185.168
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9a9	63.209.185.169
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9aa	63.209.185.170
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9ab	63.209.185.171
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9ac	63.209.185.172
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9ad	63.209.185.173
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9ae	63.209.185.174
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9af	63.209.185.175
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9b0	63.209.185.176
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9b1	63.209.185.177
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9b2	63.209.185.178
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9b3	63.209.185.179
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9b4	63.209.185.180

b51a:901b:cb15:8045:ada8:cd72:3fd1:b9b5	63.209.185.181
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9b6	63.209.185.182
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9b7	63.209.185.183
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9b8	63.209.185.184
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9b9	63.209.185.185
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9ba	63.209.185.186
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9bb	63.209.185.187
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9bc	63.209.185.188
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9bd	63.209.185.189
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9be	63.209.185.190
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9bf	63.209.185.191
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9c0	63.209.185.192
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9c1	63.209.185.193
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9c2	63.209.185.194
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9c3	63.209.185.195
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9c4	63.209.185.196
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9c5	63.209.185.197
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9c6	63.209.185.198
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9c7	63.209.185.199
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9c8	63.209.185.200
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9c9	63.209.185.201
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9ca	63.209.185.202
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9cb	63.209.185.203
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9cc	63.209.185.204
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9cd	63.209.185.205
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9ce	63.209.185.206
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9cf	63.209.185.207
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9d0	63.209.185.208
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9d1	63.209.185.209
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9d2	63.209.185.210
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9d3	63.209.185.211
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9d4	63.209.185.212
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9d5	63.209.185.213
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9d6	63.209.185.214
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9d7	63.209.185.215
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9d8	63.209.185.216
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9d9	63.209.185.217
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9da	63.209.185.218
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9db	63.209.185.219
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9dc	63.209.185.220
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9dd	63.209.185.221
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9de	63.209.185.222
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9df	63.209.185.223
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9e0	63.209.185.224
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9e1	63.209.185.225
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9e2	63.209.185.226
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9e3	63.209.185.227
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9e4	63.209.185.228
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9e5	63.209.185.229
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9e6	63.209.185.230
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9e7	63.209.185.231
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9e8	63.209.185.232
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9e9	63.209.185.233
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9ea	63.209.185.234
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9eb	63.209.185.235
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9ec	63.209.185.236
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9ed	63.209.185.237
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9ee	63.209.185.238
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9ef	63.209.185.239
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9f0	63.209.185.240
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9f1	63.209.185.241
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9f2	63.209.185.242
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9f3	63.209.185.243
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9f4	63.209.185.244
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9f5	63.209.185.245
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9f6	63.209.185.246
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9f7	63.209.185.247
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9f8	63.209.185.248
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9f9	63.209.185.249
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9fa	63.209.185.250
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9fb	63.209.185.251
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9fc	63.209.185.252
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9fd	63.209.185.253
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9fe	63.209.185.254
b51a:901b:cb15:8045:ada8:cd72:3fd1:b9ff	63.209.185.255

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.