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:eb24:f5e1:f301	245.225.243.1
b51a:901b:cb15:8045:ada8:eb24:f5e1:f302	245.225.243.2
b51a:901b:cb15:8045:ada8:eb24:f5e1:f303	245.225.243.3
b51a:901b:cb15:8045:ada8:eb24:f5e1:f304	245.225.243.4
b51a:901b:cb15:8045:ada8:eb24:f5e1:f305	245.225.243.5
b51a:901b:cb15:8045:ada8:eb24:f5e1:f306	245.225.243.6
b51a:901b:cb15:8045:ada8:eb24:f5e1:f307	245.225.243.7
b51a:901b:cb15:8045:ada8:eb24:f5e1:f308	245.225.243.8
b51a:901b:cb15:8045:ada8:eb24:f5e1:f309	245.225.243.9
b51a:901b:cb15:8045:ada8:eb24:f5e1:f30a	245.225.243.10
b51a:901b:cb15:8045:ada8:eb24:f5e1:f30b	245.225.243.11
b51a:901b:cb15:8045:ada8:eb24:f5e1:f30c	245.225.243.12
b51a:901b:cb15:8045:ada8:eb24:f5e1:f30d	245.225.243.13
b51a:901b:cb15:8045:ada8:eb24:f5e1:f30e	245.225.243.14
b51a:901b:cb15:8045:ada8:eb24:f5e1:f30f	245.225.243.15
b51a:901b:cb15:8045:ada8:eb24:f5e1:f310	245.225.243.16
b51a:901b:cb15:8045:ada8:eb24:f5e1:f311	245.225.243.17
b51a:901b:cb15:8045:ada8:eb24:f5e1:f312	245.225.243.18
b51a:901b:cb15:8045:ada8:eb24:f5e1:f313	245.225.243.19
b51a:901b:cb15:8045:ada8:eb24:f5e1:f314	245.225.243.20
b51a:901b:cb15:8045:ada8:eb24:f5e1:f315	245.225.243.21
b51a:901b:cb15:8045:ada8:eb24:f5e1:f316	245.225.243.22
b51a:901b:cb15:8045:ada8:eb24:f5e1:f317	245.225.243.23
b51a:901b:cb15:8045:ada8:eb24:f5e1:f318	245.225.243.24
b51a:901b:cb15:8045:ada8:eb24:f5e1:f319	245.225.243.25
b51a:901b:cb15:8045:ada8:eb24:f5e1:f31a	245.225.243.26
b51a:901b:cb15:8045:ada8:eb24:f5e1:f31b	245.225.243.27
b51a:901b:cb15:8045:ada8:eb24:f5e1:f31c	245.225.243.28
b51a:901b:cb15:8045:ada8:eb24:f5e1:f31d	245.225.243.29
b51a:901b:cb15:8045:ada8:eb24:f5e1:f31e	245.225.243.30
b51a:901b:cb15:8045:ada8:eb24:f5e1:f31f	245.225.243.31
b51a:901b:cb15:8045:ada8:eb24:f5e1:f320	245.225.243.32
b51a:901b:cb15:8045:ada8:eb24:f5e1:f321	245.225.243.33
b51a:901b:cb15:8045:ada8:eb24:f5e1:f322	245.225.243.34
b51a:901b:cb15:8045:ada8:eb24:f5e1:f323	245.225.243.35
b51a:901b:cb15:8045:ada8:eb24:f5e1:f324	245.225.243.36
b51a:901b:cb15:8045:ada8:eb24:f5e1:f325	245.225.243.37
b51a:901b:cb15:8045:ada8:eb24:f5e1:f326	245.225.243.38
b51a:901b:cb15:8045:ada8:eb24:f5e1:f327	245.225.243.39
b51a:901b:cb15:8045:ada8:eb24:f5e1:f328	245.225.243.40
b51a:901b:cb15:8045:ada8:eb24:f5e1:f329	245.225.243.41
b51a:901b:cb15:8045:ada8:eb24:f5e1:f32a	245.225.243.42
b51a:901b:cb15:8045:ada8:eb24:f5e1:f32b	245.225.243.43
b51a:901b:cb15:8045:ada8:eb24:f5e1:f32c	245.225.243.44
b51a:901b:cb15:8045:ada8:eb24:f5e1:f32d	245.225.243.45
b51a:901b:cb15:8045:ada8:eb24:f5e1:f32e	245.225.243.46
b51a:901b:cb15:8045:ada8:eb24:f5e1:f32f	245.225.243.47
b51a:901b:cb15:8045:ada8:eb24:f5e1:f330	245.225.243.48
b51a:901b:cb15:8045:ada8:eb24:f5e1:f331	245.225.243.49
b51a:901b:cb15:8045:ada8:eb24:f5e1:f332	245.225.243.50
b51a:901b:cb15:8045:ada8:eb24:f5e1:f333	245.225.243.51
b51a:901b:cb15:8045:ada8:eb24:f5e1:f334	245.225.243.52
b51a:901b:cb15:8045:ada8:eb24:f5e1:f335	245.225.243.53
b51a:901b:cb15:8045:ada8:eb24:f5e1:f336	245.225.243.54
b51a:901b:cb15:8045:ada8:eb24:f5e1:f337	245.225.243.55
b51a:901b:cb15:8045:ada8:eb24:f5e1:f338	245.225.243.56
b51a:901b:cb15:8045:ada8:eb24:f5e1:f339	245.225.243.57
b51a:901b:cb15:8045:ada8:eb24:f5e1:f33a	245.225.243.58
b51a:901b:cb15:8045:ada8:eb24:f5e1:f33b	245.225.243.59
b51a:901b:cb15:8045:ada8:eb24:f5e1:f33c	245.225.243.60

b51a:901b:cb15:8045:ada8:eb24:f5e1:f33d	245.225.243.61
b51a:901b:cb15:8045:ada8:eb24:f5e1:f33e	245.225.243.62
b51a:901b:cb15:8045:ada8:eb24:f5e1:f33f	245.225.243.63
b51a:901b:cb15:8045:ada8:eb24:f5e1:f340	245.225.243.64
b51a:901b:cb15:8045:ada8:eb24:f5e1:f341	245.225.243.65
b51a:901b:cb15:8045:ada8:eb24:f5e1:f342	245.225.243.66
b51a:901b:cb15:8045:ada8:eb24:f5e1:f343	245.225.243.67
b51a:901b:cb15:8045:ada8:eb24:f5e1:f344	245.225.243.68
b51a:901b:cb15:8045:ada8:eb24:f5e1:f345	245.225.243.69
b51a:901b:cb15:8045:ada8:eb24:f5e1:f346	245.225.243.70
b51a:901b:cb15:8045:ada8:eb24:f5e1:f347	245.225.243.71
b51a:901b:cb15:8045:ada8:eb24:f5e1:f348	245.225.243.72
b51a:901b:cb15:8045:ada8:eb24:f5e1:f349	245.225.243.73
b51a:901b:cb15:8045:ada8:eb24:f5e1:f34a	245.225.243.74
b51a:901b:cb15:8045:ada8:eb24:f5e1:f34b	245.225.243.75
b51a:901b:cb15:8045:ada8:eb24:f5e1:f34c	245.225.243.76
b51a:901b:cb15:8045:ada8:eb24:f5e1:f34d	245.225.243.77
b51a:901b:cb15:8045:ada8:eb24:f5e1:f34e	245.225.243.78
b51a:901b:cb15:8045:ada8:eb24:f5e1:f34f	245.225.243.79
b51a:901b:cb15:8045:ada8:eb24:f5e1:f350	245.225.243.80
b51a:901b:cb15:8045:ada8:eb24:f5e1:f351	245.225.243.81
b51a:901b:cb15:8045:ada8:eb24:f5e1:f352	245.225.243.82
b51a:901b:cb15:8045:ada8:eb24:f5e1:f353	245.225.243.83
b51a:901b:cb15:8045:ada8:eb24:f5e1:f354	245.225.243.84
b51a:901b:cb15:8045:ada8:eb24:f5e1:f355	245.225.243.85
b51a:901b:cb15:8045:ada8:eb24:f5e1:f356	245.225.243.86
b51a:901b:cb15:8045:ada8:eb24:f5e1:f357	245.225.243.87
b51a:901b:cb15:8045:ada8:eb24:f5e1:f358	245.225.243.88
b51a:901b:cb15:8045:ada8:eb24:f5e1:f359	245.225.243.89
b51a:901b:cb15:8045:ada8:eb24:f5e1:f35a	245.225.243.90
b51a:901b:cb15:8045:ada8:eb24:f5e1:f35b	245.225.243.91
b51a:901b:cb15:8045:ada8:eb24:f5e1:f35c	245.225.243.92
b51a:901b:cb15:8045:ada8:eb24:f5e1:f35d	245.225.243.93
b51a:901b:cb15:8045:ada8:eb24:f5e1:f35e	245.225.243.94
b51a:901b:cb15:8045:ada8:eb24:f5e1:f35f	245.225.243.95
b51a:901b:cb15:8045:ada8:eb24:f5e1:f360	245.225.243.96
b51a:901b:cb15:8045:ada8:eb24:f5e1:f361	245.225.243.97
b51a:901b:cb15:8045:ada8:eb24:f5e1:f362	245.225.243.98
b51a:901b:cb15:8045:ada8:eb24:f5e1:f363	245.225.243.99
b51a:901b:cb15:8045:ada8:eb24:f5e1:f364	245.225.243.100
b51a:901b:cb15:8045:ada8:eb24:f5e1:f365	245.225.243.101
b51a:901b:cb15:8045:ada8:eb24:f5e1:f366	245.225.243.102
b51a:901b:cb15:8045:ada8:eb24:f5e1:f367	245.225.243.103
b51a:901b:cb15:8045:ada8:eb24:f5e1:f368	245.225.243.104
b51a:901b:cb15:8045:ada8:eb24:f5e1:f369	245.225.243.105
b51a:901b:cb15:8045:ada8:eb24:f5e1:f36a	245.225.243.106
b51a:901b:cb15:8045:ada8:eb24:f5e1:f36b	245.225.243.107
b51a:901b:cb15:8045:ada8:eb24:f5e1:f36c	245.225.243.108
b51a:901b:cb15:8045:ada8:eb24:f5e1:f36d	245.225.243.109
b51a:901b:cb15:8045:ada8:eb24:f5e1:f36e	245.225.243.110
b51a:901b:cb15:8045:ada8:eb24:f5e1:f36f	245.225.243.111
b51a:901b:cb15:8045:ada8:eb24:f5e1:f370	245.225.243.112
b51a:901b:cb15:8045:ada8:eb24:f5e1:f371	245.225.243.113
b51a:901b:cb15:8045:ada8:eb24:f5e1:f372	245.225.243.114
b51a:901b:cb15:8045:ada8:eb24:f5e1:f373	245.225.243.115
b51a:901b:cb15:8045:ada8:eb24:f5e1:f374	245.225.243.116
b51a:901b:cb15:8045:ada8:eb24:f5e1:f375	245.225.243.117
b51a:901b:cb15:8045:ada8:eb24:f5e1:f376	245.225.243.118
b51a:901b:cb15:8045:ada8:eb24:f5e1:f377	245.225.243.119
b51a:901b:cb15:8045:ada8:eb24:f5e1:f378	245.225.243.120

b51a:901b:cb15:8045:ada8:eb24:f5e1:f379	245.225.243.121
b51a:901b:cb15:8045:ada8:eb24:f5e1:f37a	245.225.243.122
b51a:901b:cb15:8045:ada8:eb24:f5e1:f37b	245.225.243.123
b51a:901b:cb15:8045:ada8:eb24:f5e1:f37c	245.225.243.124
b51a:901b:cb15:8045:ada8:eb24:f5e1:f37d	245.225.243.125
b51a:901b:cb15:8045:ada8:eb24:f5e1:f37e	245.225.243.126
b51a:901b:cb15:8045:ada8:eb24:f5e1:f37f	245.225.243.127
b51a:901b:cb15:8045:ada8:eb24:f5e1:f380	245.225.243.128
b51a:901b:cb15:8045:ada8:eb24:f5e1:f381	245.225.243.129
b51a:901b:cb15:8045:ada8:eb24:f5e1:f382	245.225.243.130
b51a:901b:cb15:8045:ada8:eb24:f5e1:f383	245.225.243.131
b51a:901b:cb15:8045:ada8:eb24:f5e1:f384	245.225.243.132
b51a:901b:cb15:8045:ada8:eb24:f5e1:f385	245.225.243.133
b51a:901b:cb15:8045:ada8:eb24:f5e1:f386	245.225.243.134
b51a:901b:cb15:8045:ada8:eb24:f5e1:f387	245.225.243.135
b51a:901b:cb15:8045:ada8:eb24:f5e1:f388	245.225.243.136
b51a:901b:cb15:8045:ada8:eb24:f5e1:f389	245.225.243.137
b51a:901b:cb15:8045:ada8:eb24:f5e1:f38a	245.225.243.138
b51a:901b:cb15:8045:ada8:eb24:f5e1:f38b	245.225.243.139
b51a:901b:cb15:8045:ada8:eb24:f5e1:f38c	245.225.243.140
b51a:901b:cb15:8045:ada8:eb24:f5e1:f38d	245.225.243.141
b51a:901b:cb15:8045:ada8:eb24:f5e1:f38e	245.225.243.142
b51a:901b:cb15:8045:ada8:eb24:f5e1:f38f	245.225.243.143
b51a:901b:cb15:8045:ada8:eb24:f5e1:f390	245.225.243.144
b51a:901b:cb15:8045:ada8:eb24:f5e1:f391	245.225.243.145
b51a:901b:cb15:8045:ada8:eb24:f5e1:f392	245.225.243.146
b51a:901b:cb15:8045:ada8:eb24:f5e1:f393	245.225.243.147
b51a:901b:cb15:8045:ada8:eb24:f5e1:f394	245.225.243.148
b51a:901b:cb15:8045:ada8:eb24:f5e1:f395	245.225.243.149
b51a:901b:cb15:8045:ada8:eb24:f5e1:f396	245.225.243.150
b51a:901b:cb15:8045:ada8:eb24:f5e1:f397	245.225.243.151
b51a:901b:cb15:8045:ada8:eb24:f5e1:f398	245.225.243.152
b51a:901b:cb15:8045:ada8:eb24:f5e1:f399	245.225.243.153
b51a:901b:cb15:8045:ada8:eb24:f5e1:f39a	245.225.243.154
b51a:901b:cb15:8045:ada8:eb24:f5e1:f39b	245.225.243.155
b51a:901b:cb15:8045:ada8:eb24:f5e1:f39c	245.225.243.156
b51a:901b:cb15:8045:ada8:eb24:f5e1:f39d	245.225.243.157
b51a:901b:cb15:8045:ada8:eb24:f5e1:f39e	245.225.243.158
b51a:901b:cb15:8045:ada8:eb24:f5e1:f39f	245.225.243.159
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3a0	245.225.243.160
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3a1	245.225.243.161
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3a2	245.225.243.162
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3a3	245.225.243.163
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3a4	245.225.243.164
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3a5	245.225.243.165
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3a6	245.225.243.166
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3a7	245.225.243.167
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3a8	245.225.243.168
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3a9	245.225.243.169
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3aa	245.225.243.170
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3ab	245.225.243.171
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3ac	245.225.243.172
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3ad	245.225.243.173
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3ae	245.225.243.174
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3af	245.225.243.175
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3b0	245.225.243.176
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3b1	245.225.243.177
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3b2	245.225.243.178
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3b3	245.225.243.179
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3b4	245.225.243.180

b51a:901b:cb15:8045:ada8:eb24:f5e1:f3b5	245.225.243.181
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3b6	245.225.243.182
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3b7	245.225.243.183
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3b8	245.225.243.184
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3b9	245.225.243.185
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3ba	245.225.243.186
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3bb	245.225.243.187
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3bc	245.225.243.188
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3bd	245.225.243.189
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3be	245.225.243.190
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3bf	245.225.243.191
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3c0	245.225.243.192
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3c1	245.225.243.193
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3c2	245.225.243.194
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3c3	245.225.243.195
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3c4	245.225.243.196
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3c5	245.225.243.197
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3c6	245.225.243.198
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3c7	245.225.243.199
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3c8	245.225.243.200
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3c9	245.225.243.201
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3ca	245.225.243.202
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3cb	245.225.243.203
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3cc	245.225.243.204
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3cd	245.225.243.205
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3ce	245.225.243.206
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3cf	245.225.243.207
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3d0	245.225.243.208
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3d1	245.225.243.209
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3d2	245.225.243.210
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3d3	245.225.243.211
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3d4	245.225.243.212
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3d5	245.225.243.213
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3d6	245.225.243.214
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3d7	245.225.243.215
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3d8	245.225.243.216
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3d9	245.225.243.217
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3da	245.225.243.218
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3db	245.225.243.219
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3dc	245.225.243.220
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3dd	245.225.243.221
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3de	245.225.243.222
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3df	245.225.243.223
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3e0	245.225.243.224
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3e1	245.225.243.225
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3e2	245.225.243.226
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3e3	245.225.243.227
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3e4	245.225.243.228
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3e5	245.225.243.229
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3e6	245.225.243.230
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3e7	245.225.243.231
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3e8	245.225.243.232
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3e9	245.225.243.233
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3ea	245.225.243.234
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3eb	245.225.243.235
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3ec	245.225.243.236
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3ed	245.225.243.237
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3ee	245.225.243.238
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3ef	245.225.243.239
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3f0	245.225.243.240
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3f1	245.225.243.241
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3f2	245.225.243.242
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3f3	245.225.243.243
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3f4	245.225.243.244
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3f5	245.225.243.245
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3f6	245.225.243.246
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3f7	245.225.243.247
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3f8	245.225.243.248
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3f9	245.225.243.249
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3fa	245.225.243.250
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3fb	245.225.243.251
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3fc	245.225.243.252
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3fd	245.225.243.253
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3fe	245.225.243.254
b51a:901b:cb15:8045:ada8:eb24:f5e1:f3ff	245.225.243.255

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.