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:f001	63.209.240.1
b51a:901b:cb15:8045:ada8:cd72:3fd1:f002	63.209.240.2
b51a:901b:cb15:8045:ada8:cd72:3fd1:f003	63.209.240.3
b51a:901b:cb15:8045:ada8:cd72:3fd1:f004	63.209.240.4
b51a:901b:cb15:8045:ada8:cd72:3fd1:f005	63.209.240.5
b51a:901b:cb15:8045:ada8:cd72:3fd1:f006	63.209.240.6
b51a:901b:cb15:8045:ada8:cd72:3fd1:f007	63.209.240.7
b51a:901b:cb15:8045:ada8:cd72:3fd1:f008	63.209.240.8
b51a:901b:cb15:8045:ada8:cd72:3fd1:f009	63.209.240.9
b51a:901b:cb15:8045:ada8:cd72:3fd1:f00a	63.209.240.10
b51a:901b:cb15:8045:ada8:cd72:3fd1:f00b	63.209.240.11
b51a:901b:cb15:8045:ada8:cd72:3fd1:f00c	63.209.240.12
b51a:901b:cb15:8045:ada8:cd72:3fd1:f00d	63.209.240.13
b51a:901b:cb15:8045:ada8:cd72:3fd1:f00e	63.209.240.14
b51a:901b:cb15:8045:ada8:cd72:3fd1:f00f	63.209.240.15
b51a:901b:cb15:8045:ada8:cd72:3fd1:f010	63.209.240.16
b51a:901b:cb15:8045:ada8:cd72:3fd1:f011	63.209.240.17
b51a:901b:cb15:8045:ada8:cd72:3fd1:f012	63.209.240.18
b51a:901b:cb15:8045:ada8:cd72:3fd1:f013	63.209.240.19
b51a:901b:cb15:8045:ada8:cd72:3fd1:f014	63.209.240.20
b51a:901b:cb15:8045:ada8:cd72:3fd1:f015	63.209.240.21
b51a:901b:cb15:8045:ada8:cd72:3fd1:f016	63.209.240.22
b51a:901b:cb15:8045:ada8:cd72:3fd1:f017	63.209.240.23
b51a:901b:cb15:8045:ada8:cd72:3fd1:f018	63.209.240.24
b51a:901b:cb15:8045:ada8:cd72:3fd1:f019	63.209.240.25
b51a:901b:cb15:8045:ada8:cd72:3fd1:f01a	63.209.240.26
b51a:901b:cb15:8045:ada8:cd72:3fd1:f01b	63.209.240.27
b51a:901b:cb15:8045:ada8:cd72:3fd1:f01c	63.209.240.28
b51a:901b:cb15:8045:ada8:cd72:3fd1:f01d	63.209.240.29
b51a:901b:cb15:8045:ada8:cd72:3fd1:f01e	63.209.240.30
b51a:901b:cb15:8045:ada8:cd72:3fd1:f01f	63.209.240.31
b51a:901b:cb15:8045:ada8:cd72:3fd1:f020	63.209.240.32
b51a:901b:cb15:8045:ada8:cd72:3fd1:f021	63.209.240.33
b51a:901b:cb15:8045:ada8:cd72:3fd1:f022	63.209.240.34
b51a:901b:cb15:8045:ada8:cd72:3fd1:f023	63.209.240.35
b51a:901b:cb15:8045:ada8:cd72:3fd1:f024	63.209.240.36
b51a:901b:cb15:8045:ada8:cd72:3fd1:f025	63.209.240.37
b51a:901b:cb15:8045:ada8:cd72:3fd1:f026	63.209.240.38
b51a:901b:cb15:8045:ada8:cd72:3fd1:f027	63.209.240.39
b51a:901b:cb15:8045:ada8:cd72:3fd1:f028	63.209.240.40
b51a:901b:cb15:8045:ada8:cd72:3fd1:f029	63.209.240.41
b51a:901b:cb15:8045:ada8:cd72:3fd1:f02a	63.209.240.42
b51a:901b:cb15:8045:ada8:cd72:3fd1:f02b	63.209.240.43
b51a:901b:cb15:8045:ada8:cd72:3fd1:f02c	63.209.240.44
b51a:901b:cb15:8045:ada8:cd72:3fd1:f02d	63.209.240.45
b51a:901b:cb15:8045:ada8:cd72:3fd1:f02e	63.209.240.46
b51a:901b:cb15:8045:ada8:cd72:3fd1:f02f	63.209.240.47
b51a:901b:cb15:8045:ada8:cd72:3fd1:f030	63.209.240.48
b51a:901b:cb15:8045:ada8:cd72:3fd1:f031	63.209.240.49
b51a:901b:cb15:8045:ada8:cd72:3fd1:f032	63.209.240.50
b51a:901b:cb15:8045:ada8:cd72:3fd1:f033	63.209.240.51
b51a:901b:cb15:8045:ada8:cd72:3fd1:f034	63.209.240.52
b51a:901b:cb15:8045:ada8:cd72:3fd1:f035	63.209.240.53
b51a:901b:cb15:8045:ada8:cd72:3fd1:f036	63.209.240.54
b51a:901b:cb15:8045:ada8:cd72:3fd1:f037	63.209.240.55
b51a:901b:cb15:8045:ada8:cd72:3fd1:f038	63.209.240.56
b51a:901b:cb15:8045:ada8:cd72:3fd1:f039	63.209.240.57
b51a:901b:cb15:8045:ada8:cd72:3fd1:f03a	63.209.240.58
b51a:901b:cb15:8045:ada8:cd72:3fd1:f03b	63.209.240.59
b51a:901b:cb15:8045:ada8:cd72:3fd1:f03c	63.209.240.60

b51a:901b:cb15:8045:ada8:cd72:3fd1:f03d	63.209.240.61
b51a:901b:cb15:8045:ada8:cd72:3fd1:f03e	63.209.240.62
b51a:901b:cb15:8045:ada8:cd72:3fd1:f03f	63.209.240.63
b51a:901b:cb15:8045:ada8:cd72:3fd1:f040	63.209.240.64
b51a:901b:cb15:8045:ada8:cd72:3fd1:f041	63.209.240.65
b51a:901b:cb15:8045:ada8:cd72:3fd1:f042	63.209.240.66
b51a:901b:cb15:8045:ada8:cd72:3fd1:f043	63.209.240.67
b51a:901b:cb15:8045:ada8:cd72:3fd1:f044	63.209.240.68
b51a:901b:cb15:8045:ada8:cd72:3fd1:f045	63.209.240.69
b51a:901b:cb15:8045:ada8:cd72:3fd1:f046	63.209.240.70
b51a:901b:cb15:8045:ada8:cd72:3fd1:f047	63.209.240.71
b51a:901b:cb15:8045:ada8:cd72:3fd1:f048	63.209.240.72
b51a:901b:cb15:8045:ada8:cd72:3fd1:f049	63.209.240.73
b51a:901b:cb15:8045:ada8:cd72:3fd1:f04a	63.209.240.74
b51a:901b:cb15:8045:ada8:cd72:3fd1:f04b	63.209.240.75
b51a:901b:cb15:8045:ada8:cd72:3fd1:f04c	63.209.240.76
b51a:901b:cb15:8045:ada8:cd72:3fd1:f04d	63.209.240.77
b51a:901b:cb15:8045:ada8:cd72:3fd1:f04e	63.209.240.78
b51a:901b:cb15:8045:ada8:cd72:3fd1:f04f	63.209.240.79
b51a:901b:cb15:8045:ada8:cd72:3fd1:f050	63.209.240.80
b51a:901b:cb15:8045:ada8:cd72:3fd1:f051	63.209.240.81
b51a:901b:cb15:8045:ada8:cd72:3fd1:f052	63.209.240.82
b51a:901b:cb15:8045:ada8:cd72:3fd1:f053	63.209.240.83
b51a:901b:cb15:8045:ada8:cd72:3fd1:f054	63.209.240.84
b51a:901b:cb15:8045:ada8:cd72:3fd1:f055	63.209.240.85
b51a:901b:cb15:8045:ada8:cd72:3fd1:f056	63.209.240.86
b51a:901b:cb15:8045:ada8:cd72:3fd1:f057	63.209.240.87
b51a:901b:cb15:8045:ada8:cd72:3fd1:f058	63.209.240.88
b51a:901b:cb15:8045:ada8:cd72:3fd1:f059	63.209.240.89
b51a:901b:cb15:8045:ada8:cd72:3fd1:f05a	63.209.240.90
b51a:901b:cb15:8045:ada8:cd72:3fd1:f05b	63.209.240.91
b51a:901b:cb15:8045:ada8:cd72:3fd1:f05c	63.209.240.92
b51a:901b:cb15:8045:ada8:cd72:3fd1:f05d	63.209.240.93
b51a:901b:cb15:8045:ada8:cd72:3fd1:f05e	63.209.240.94
b51a:901b:cb15:8045:ada8:cd72:3fd1:f05f	63.209.240.95
b51a:901b:cb15:8045:ada8:cd72:3fd1:f060	63.209.240.96
b51a:901b:cb15:8045:ada8:cd72:3fd1:f061	63.209.240.97
b51a:901b:cb15:8045:ada8:cd72:3fd1:f062	63.209.240.98
b51a:901b:cb15:8045:ada8:cd72:3fd1:f063	63.209.240.99
b51a:901b:cb15:8045:ada8:cd72:3fd1:f064	63.209.240.100
b51a:901b:cb15:8045:ada8:cd72:3fd1:f065	63.209.240.101
b51a:901b:cb15:8045:ada8:cd72:3fd1:f066	63.209.240.102
b51a:901b:cb15:8045:ada8:cd72:3fd1:f067	63.209.240.103
b51a:901b:cb15:8045:ada8:cd72:3fd1:f068	63.209.240.104
b51a:901b:cb15:8045:ada8:cd72:3fd1:f069	63.209.240.105
b51a:901b:cb15:8045:ada8:cd72:3fd1:f06a	63.209.240.106
b51a:901b:cb15:8045:ada8:cd72:3fd1:f06b	63.209.240.107
b51a:901b:cb15:8045:ada8:cd72:3fd1:f06c	63.209.240.108
b51a:901b:cb15:8045:ada8:cd72:3fd1:f06d	63.209.240.109
b51a:901b:cb15:8045:ada8:cd72:3fd1:f06e	63.209.240.110
b51a:901b:cb15:8045:ada8:cd72:3fd1:f06f	63.209.240.111
b51a:901b:cb15:8045:ada8:cd72:3fd1:f070	63.209.240.112
b51a:901b:cb15:8045:ada8:cd72:3fd1:f071	63.209.240.113
b51a:901b:cb15:8045:ada8:cd72:3fd1:f072	63.209.240.114
b51a:901b:cb15:8045:ada8:cd72:3fd1:f073	63.209.240.115
b51a:901b:cb15:8045:ada8:cd72:3fd1:f074	63.209.240.116
b51a:901b:cb15:8045:ada8:cd72:3fd1:f075	63.209.240.117
b51a:901b:cb15:8045:ada8:cd72:3fd1:f076	63.209.240.118
b51a:901b:cb15:8045:ada8:cd72:3fd1:f077	63.209.240.119
b51a:901b:cb15:8045:ada8:cd72:3fd1:f078	63.209.240.120

b51a:901b:cb15:8045:ada8:cd72:3fd1:f079	63.209.240.121
b51a:901b:cb15:8045:ada8:cd72:3fd1:f07a	63.209.240.122
b51a:901b:cb15:8045:ada8:cd72:3fd1:f07b	63.209.240.123
b51a:901b:cb15:8045:ada8:cd72:3fd1:f07c	63.209.240.124
b51a:901b:cb15:8045:ada8:cd72:3fd1:f07d	63.209.240.125
b51a:901b:cb15:8045:ada8:cd72:3fd1:f07e	63.209.240.126
b51a:901b:cb15:8045:ada8:cd72:3fd1:f07f	63.209.240.127
b51a:901b:cb15:8045:ada8:cd72:3fd1:f080	63.209.240.128
b51a:901b:cb15:8045:ada8:cd72:3fd1:f081	63.209.240.129
b51a:901b:cb15:8045:ada8:cd72:3fd1:f082	63.209.240.130
b51a:901b:cb15:8045:ada8:cd72:3fd1:f083	63.209.240.131
b51a:901b:cb15:8045:ada8:cd72:3fd1:f084	63.209.240.132
b51a:901b:cb15:8045:ada8:cd72:3fd1:f085	63.209.240.133
b51a:901b:cb15:8045:ada8:cd72:3fd1:f086	63.209.240.134
b51a:901b:cb15:8045:ada8:cd72:3fd1:f087	63.209.240.135
b51a:901b:cb15:8045:ada8:cd72:3fd1:f088	63.209.240.136
b51a:901b:cb15:8045:ada8:cd72:3fd1:f089	63.209.240.137
b51a:901b:cb15:8045:ada8:cd72:3fd1:f08a	63.209.240.138
b51a:901b:cb15:8045:ada8:cd72:3fd1:f08b	63.209.240.139
b51a:901b:cb15:8045:ada8:cd72:3fd1:f08c	63.209.240.140
b51a:901b:cb15:8045:ada8:cd72:3fd1:f08d	63.209.240.141
b51a:901b:cb15:8045:ada8:cd72:3fd1:f08e	63.209.240.142
b51a:901b:cb15:8045:ada8:cd72:3fd1:f08f	63.209.240.143
b51a:901b:cb15:8045:ada8:cd72:3fd1:f090	63.209.240.144
b51a:901b:cb15:8045:ada8:cd72:3fd1:f091	63.209.240.145
b51a:901b:cb15:8045:ada8:cd72:3fd1:f092	63.209.240.146
b51a:901b:cb15:8045:ada8:cd72:3fd1:f093	63.209.240.147
b51a:901b:cb15:8045:ada8:cd72:3fd1:f094	63.209.240.148
b51a:901b:cb15:8045:ada8:cd72:3fd1:f095	63.209.240.149
b51a:901b:cb15:8045:ada8:cd72:3fd1:f096	63.209.240.150
b51a:901b:cb15:8045:ada8:cd72:3fd1:f097	63.209.240.151
b51a:901b:cb15:8045:ada8:cd72:3fd1:f098	63.209.240.152
b51a:901b:cb15:8045:ada8:cd72:3fd1:f099	63.209.240.153
b51a:901b:cb15:8045:ada8:cd72:3fd1:f09a	63.209.240.154
b51a:901b:cb15:8045:ada8:cd72:3fd1:f09b	63.209.240.155
b51a:901b:cb15:8045:ada8:cd72:3fd1:f09c	63.209.240.156
b51a:901b:cb15:8045:ada8:cd72:3fd1:f09d	63.209.240.157
b51a:901b:cb15:8045:ada8:cd72:3fd1:f09e	63.209.240.158
b51a:901b:cb15:8045:ada8:cd72:3fd1:f09f	63.209.240.159
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0a0	63.209.240.160
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0a1	63.209.240.161
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0a2	63.209.240.162
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0a3	63.209.240.163
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0a4	63.209.240.164
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0a5	63.209.240.165
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0a6	63.209.240.166
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0a7	63.209.240.167
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0a8	63.209.240.168
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0a9	63.209.240.169
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0aa	63.209.240.170
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0ab	63.209.240.171
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0ac	63.209.240.172
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0ad	63.209.240.173
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0ae	63.209.240.174
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0af	63.209.240.175
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0b0	63.209.240.176
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0b1	63.209.240.177
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0b2	63.209.240.178
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0b3	63.209.240.179
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0b4	63.209.240.180

b51a:901b:cb15:8045:ada8:cd72:3fd1:f0b5	63.209.240.181
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0b6	63.209.240.182
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0b7	63.209.240.183
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0b8	63.209.240.184
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0b9	63.209.240.185
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0ba	63.209.240.186
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0bb	63.209.240.187
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0bc	63.209.240.188
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0bd	63.209.240.189
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0be	63.209.240.190
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0bf	63.209.240.191
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0c0	63.209.240.192
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0c1	63.209.240.193
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0c2	63.209.240.194
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0c3	63.209.240.195
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0c4	63.209.240.196
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0c5	63.209.240.197
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0c6	63.209.240.198
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0c7	63.209.240.199
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0c8	63.209.240.200
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0c9	63.209.240.201
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0ca	63.209.240.202
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0cb	63.209.240.203
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0cc	63.209.240.204
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0cd	63.209.240.205
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0ce	63.209.240.206
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0cf	63.209.240.207
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0d0	63.209.240.208
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0d1	63.209.240.209
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0d2	63.209.240.210
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0d3	63.209.240.211
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0d4	63.209.240.212
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0d5	63.209.240.213
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0d6	63.209.240.214
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0d7	63.209.240.215
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0d8	63.209.240.216
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0d9	63.209.240.217
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0da	63.209.240.218
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0db	63.209.240.219
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0dc	63.209.240.220
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0dd	63.209.240.221
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0de	63.209.240.222
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0df	63.209.240.223
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0e0	63.209.240.224
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0e1	63.209.240.225
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0e2	63.209.240.226
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0e3	63.209.240.227
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0e4	63.209.240.228
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0e5	63.209.240.229
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0e6	63.209.240.230
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0e7	63.209.240.231
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0e8	63.209.240.232
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0e9	63.209.240.233
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0ea	63.209.240.234
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0eb	63.209.240.235
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0ec	63.209.240.236
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0ed	63.209.240.237
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0ee	63.209.240.238
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0ef	63.209.240.239
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0f0	63.209.240.240
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0f1	63.209.240.241
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0f2	63.209.240.242
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0f3	63.209.240.243
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0f4	63.209.240.244
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0f5	63.209.240.245
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0f6	63.209.240.246
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0f7	63.209.240.247
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0f8	63.209.240.248
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0f9	63.209.240.249
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0fa	63.209.240.250
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0fb	63.209.240.251
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0fc	63.209.240.252
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0fd	63.209.240.253
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0fe	63.209.240.254
b51a:901b:cb15:8045:ada8:cd72:3fd1:f0ff	63.209.240.255

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.