Find IP IPv4 Network/Subnet and its host address ranges

What is an IPv4 IP address its network and host address ranges?

An IPv4 IP address is an address used in order to uniquely identify a device on an IP network. The address is made up of 32 binary bits, which can be divisible into a network portion and host portion with the help of a subnet mask. The 32 binary bits are broken into four octets (1 octet = 8 bits). Each octet is converted to decimal and separated by a period (dot).

How to Subnet IPv4? Its simple answer is that subnetting is the process of taking a network and splitting it into smaller networks, known as subnets. It's used to free up more public IPv4 addresses and segment networks for security and easier management.
Following are the ranges of IPv4 subnet/network address and their host addresses.

IPv4 AddressIPv6 Address
6.128.145.1 0:0:0:0:0:ffff:680:9101
6.128.145.2 0:0:0:0:0:ffff:680:9102
6.128.145.3 0:0:0:0:0:ffff:680:9103
6.128.145.4 0:0:0:0:0:ffff:680:9104
6.128.145.5 0:0:0:0:0:ffff:680:9105
6.128.145.6 0:0:0:0:0:ffff:680:9106
6.128.145.7 0:0:0:0:0:ffff:680:9107
6.128.145.8 0:0:0:0:0:ffff:680:9108
6.128.145.9 0:0:0:0:0:ffff:680:9109
6.128.145.10 0:0:0:0:0:ffff:680:910a
6.128.145.11 0:0:0:0:0:ffff:680:910b
6.128.145.12 0:0:0:0:0:ffff:680:910c
6.128.145.13 0:0:0:0:0:ffff:680:910d
6.128.145.14 0:0:0:0:0:ffff:680:910e
6.128.145.15 0:0:0:0:0:ffff:680:910f
6.128.145.16 0:0:0:0:0:ffff:680:9110
6.128.145.17 0:0:0:0:0:ffff:680:9111
6.128.145.18 0:0:0:0:0:ffff:680:9112
6.128.145.19 0:0:0:0:0:ffff:680:9113
6.128.145.20 0:0:0:0:0:ffff:680:9114
6.128.145.21 0:0:0:0:0:ffff:680:9115
6.128.145.22 0:0:0:0:0:ffff:680:9116
6.128.145.23 0:0:0:0:0:ffff:680:9117
6.128.145.24 0:0:0:0:0:ffff:680:9118
6.128.145.25 0:0:0:0:0:ffff:680:9119
6.128.145.26 0:0:0:0:0:ffff:680:911a
6.128.145.27 0:0:0:0:0:ffff:680:911b
6.128.145.28 0:0:0:0:0:ffff:680:911c
6.128.145.29 0:0:0:0:0:ffff:680:911d
6.128.145.30 0:0:0:0:0:ffff:680:911e
6.128.145.31 0:0:0:0:0:ffff:680:911f
6.128.145.32 0:0:0:0:0:ffff:680:9120
6.128.145.33 0:0:0:0:0:ffff:680:9121
6.128.145.34 0:0:0:0:0:ffff:680:9122
6.128.145.35 0:0:0:0:0:ffff:680:9123
6.128.145.36 0:0:0:0:0:ffff:680:9124
6.128.145.37 0:0:0:0:0:ffff:680:9125
6.128.145.38 0:0:0:0:0:ffff:680:9126
6.128.145.39 0:0:0:0:0:ffff:680:9127
6.128.145.40 0:0:0:0:0:ffff:680:9128
6.128.145.41 0:0:0:0:0:ffff:680:9129
6.128.145.42 0:0:0:0:0:ffff:680:912a
6.128.145.43 0:0:0:0:0:ffff:680:912b
6.128.145.44 0:0:0:0:0:ffff:680:912c
6.128.145.45 0:0:0:0:0:ffff:680:912d
6.128.145.46 0:0:0:0:0:ffff:680:912e
6.128.145.47 0:0:0:0:0:ffff:680:912f
6.128.145.48 0:0:0:0:0:ffff:680:9130
6.128.145.49 0:0:0:0:0:ffff:680:9131
6.128.145.50 0:0:0:0:0:ffff:680:9132
6.128.145.51 0:0:0:0:0:ffff:680:9133
6.128.145.52 0:0:0:0:0:ffff:680:9134
6.128.145.53 0:0:0:0:0:ffff:680:9135
6.128.145.54 0:0:0:0:0:ffff:680:9136
6.128.145.55 0:0:0:0:0:ffff:680:9137
6.128.145.56 0:0:0:0:0:ffff:680:9138
6.128.145.57 0:0:0:0:0:ffff:680:9139
6.128.145.58 0:0:0:0:0:ffff:680:913a
6.128.145.59 0:0:0:0:0:ffff:680:913b
6.128.145.60 0:0:0:0:0:ffff:680:913c


6.128.145.61 0:0:0:0:0:ffff:680:913d
6.128.145.62 0:0:0:0:0:ffff:680:913e
6.128.145.63 0:0:0:0:0:ffff:680:913f
6.128.145.64 0:0:0:0:0:ffff:680:9140
6.128.145.65 0:0:0:0:0:ffff:680:9141
6.128.145.66 0:0:0:0:0:ffff:680:9142
6.128.145.67 0:0:0:0:0:ffff:680:9143
6.128.145.68 0:0:0:0:0:ffff:680:9144
6.128.145.69 0:0:0:0:0:ffff:680:9145
6.128.145.70 0:0:0:0:0:ffff:680:9146
6.128.145.71 0:0:0:0:0:ffff:680:9147
6.128.145.72 0:0:0:0:0:ffff:680:9148
6.128.145.73 0:0:0:0:0:ffff:680:9149
6.128.145.74 0:0:0:0:0:ffff:680:914a
6.128.145.75 0:0:0:0:0:ffff:680:914b
6.128.145.76 0:0:0:0:0:ffff:680:914c
6.128.145.77 0:0:0:0:0:ffff:680:914d
6.128.145.78 0:0:0:0:0:ffff:680:914e
6.128.145.79 0:0:0:0:0:ffff:680:914f
6.128.145.80 0:0:0:0:0:ffff:680:9150
6.128.145.81 0:0:0:0:0:ffff:680:9151
6.128.145.82 0:0:0:0:0:ffff:680:9152
6.128.145.83 0:0:0:0:0:ffff:680:9153
6.128.145.84 0:0:0:0:0:ffff:680:9154
6.128.145.85 0:0:0:0:0:ffff:680:9155
6.128.145.86 0:0:0:0:0:ffff:680:9156
6.128.145.87 0:0:0:0:0:ffff:680:9157
6.128.145.88 0:0:0:0:0:ffff:680:9158
6.128.145.89 0:0:0:0:0:ffff:680:9159
6.128.145.90 0:0:0:0:0:ffff:680:915a
6.128.145.91 0:0:0:0:0:ffff:680:915b
6.128.145.92 0:0:0:0:0:ffff:680:915c
6.128.145.93 0:0:0:0:0:ffff:680:915d
6.128.145.94 0:0:0:0:0:ffff:680:915e
6.128.145.95 0:0:0:0:0:ffff:680:915f
6.128.145.96 0:0:0:0:0:ffff:680:9160
6.128.145.97 0:0:0:0:0:ffff:680:9161
6.128.145.98 0:0:0:0:0:ffff:680:9162
6.128.145.99 0:0:0:0:0:ffff:680:9163
6.128.145.100 0:0:0:0:0:ffff:680:9164
6.128.145.101 0:0:0:0:0:ffff:680:9165
6.128.145.102 0:0:0:0:0:ffff:680:9166
6.128.145.103 0:0:0:0:0:ffff:680:9167
6.128.145.104 0:0:0:0:0:ffff:680:9168
6.128.145.105 0:0:0:0:0:ffff:680:9169
6.128.145.106 0:0:0:0:0:ffff:680:916a
6.128.145.107 0:0:0:0:0:ffff:680:916b
6.128.145.108 0:0:0:0:0:ffff:680:916c
6.128.145.109 0:0:0:0:0:ffff:680:916d
6.128.145.110 0:0:0:0:0:ffff:680:916e
6.128.145.111 0:0:0:0:0:ffff:680:916f
6.128.145.112 0:0:0:0:0:ffff:680:9170
6.128.145.113 0:0:0:0:0:ffff:680:9171
6.128.145.114 0:0:0:0:0:ffff:680:9172
6.128.145.115 0:0:0:0:0:ffff:680:9173
6.128.145.116 0:0:0:0:0:ffff:680:9174
6.128.145.117 0:0:0:0:0:ffff:680:9175
6.128.145.118 0:0:0:0:0:ffff:680:9176
6.128.145.119 0:0:0:0:0:ffff:680:9177
6.128.145.120 0:0:0:0:0:ffff:680:9178


6.128.145.121 0:0:0:0:0:ffff:680:9179
6.128.145.122 0:0:0:0:0:ffff:680:917a
6.128.145.123 0:0:0:0:0:ffff:680:917b
6.128.145.124 0:0:0:0:0:ffff:680:917c
6.128.145.125 0:0:0:0:0:ffff:680:917d
6.128.145.126 0:0:0:0:0:ffff:680:917e
6.128.145.127 0:0:0:0:0:ffff:680:917f
6.128.145.128 0:0:0:0:0:ffff:680:9180
6.128.145.129 0:0:0:0:0:ffff:680:9181
6.128.145.130 0:0:0:0:0:ffff:680:9182
6.128.145.131 0:0:0:0:0:ffff:680:9183
6.128.145.132 0:0:0:0:0:ffff:680:9184
6.128.145.133 0:0:0:0:0:ffff:680:9185
6.128.145.134 0:0:0:0:0:ffff:680:9186
6.128.145.135 0:0:0:0:0:ffff:680:9187
6.128.145.136 0:0:0:0:0:ffff:680:9188
6.128.145.137 0:0:0:0:0:ffff:680:9189
6.128.145.138 0:0:0:0:0:ffff:680:918a
6.128.145.139 0:0:0:0:0:ffff:680:918b
6.128.145.140 0:0:0:0:0:ffff:680:918c
6.128.145.141 0:0:0:0:0:ffff:680:918d
6.128.145.142 0:0:0:0:0:ffff:680:918e
6.128.145.143 0:0:0:0:0:ffff:680:918f
6.128.145.144 0:0:0:0:0:ffff:680:9190
6.128.145.145 0:0:0:0:0:ffff:680:9191
6.128.145.146 0:0:0:0:0:ffff:680:9192
6.128.145.147 0:0:0:0:0:ffff:680:9193
6.128.145.148 0:0:0:0:0:ffff:680:9194
6.128.145.149 0:0:0:0:0:ffff:680:9195
6.128.145.150 0:0:0:0:0:ffff:680:9196
6.128.145.151 0:0:0:0:0:ffff:680:9197
6.128.145.152 0:0:0:0:0:ffff:680:9198
6.128.145.153 0:0:0:0:0:ffff:680:9199
6.128.145.154 0:0:0:0:0:ffff:680:919a
6.128.145.155 0:0:0:0:0:ffff:680:919b
6.128.145.156 0:0:0:0:0:ffff:680:919c
6.128.145.157 0:0:0:0:0:ffff:680:919d
6.128.145.158 0:0:0:0:0:ffff:680:919e
6.128.145.159 0:0:0:0:0:ffff:680:919f
6.128.145.160 0:0:0:0:0:ffff:680:91a0
6.128.145.161 0:0:0:0:0:ffff:680:91a1
6.128.145.162 0:0:0:0:0:ffff:680:91a2
6.128.145.163 0:0:0:0:0:ffff:680:91a3
6.128.145.164 0:0:0:0:0:ffff:680:91a4
6.128.145.165 0:0:0:0:0:ffff:680:91a5
6.128.145.166 0:0:0:0:0:ffff:680:91a6
6.128.145.167 0:0:0:0:0:ffff:680:91a7
6.128.145.168 0:0:0:0:0:ffff:680:91a8
6.128.145.169 0:0:0:0:0:ffff:680:91a9
6.128.145.170 0:0:0:0:0:ffff:680:91aa
6.128.145.171 0:0:0:0:0:ffff:680:91ab
6.128.145.172 0:0:0:0:0:ffff:680:91ac
6.128.145.173 0:0:0:0:0:ffff:680:91ad
6.128.145.174 0:0:0:0:0:ffff:680:91ae
6.128.145.175 0:0:0:0:0:ffff:680:91af
6.128.145.176 0:0:0:0:0:ffff:680:91b0
6.128.145.177 0:0:0:0:0:ffff:680:91b1
6.128.145.178 0:0:0:0:0:ffff:680:91b2
6.128.145.179 0:0:0:0:0:ffff:680:91b3
6.128.145.180 0:0:0:0:0:ffff:680:91b4


6.128.145.181 0:0:0:0:0:ffff:680:91b5
6.128.145.182 0:0:0:0:0:ffff:680:91b6
6.128.145.183 0:0:0:0:0:ffff:680:91b7
6.128.145.184 0:0:0:0:0:ffff:680:91b8
6.128.145.185 0:0:0:0:0:ffff:680:91b9
6.128.145.186 0:0:0:0:0:ffff:680:91ba
6.128.145.187 0:0:0:0:0:ffff:680:91bb
6.128.145.188 0:0:0:0:0:ffff:680:91bc
6.128.145.189 0:0:0:0:0:ffff:680:91bd
6.128.145.190 0:0:0:0:0:ffff:680:91be
6.128.145.191 0:0:0:0:0:ffff:680:91bf
6.128.145.192 0:0:0:0:0:ffff:680:91c0
6.128.145.193 0:0:0:0:0:ffff:680:91c1
6.128.145.194 0:0:0:0:0:ffff:680:91c2
6.128.145.195 0:0:0:0:0:ffff:680:91c3
6.128.145.196 0:0:0:0:0:ffff:680:91c4
6.128.145.197 0:0:0:0:0:ffff:680:91c5
6.128.145.198 0:0:0:0:0:ffff:680:91c6
6.128.145.199 0:0:0:0:0:ffff:680:91c7
6.128.145.200 0:0:0:0:0:ffff:680:91c8
6.128.145.201 0:0:0:0:0:ffff:680:91c9
6.128.145.202 0:0:0:0:0:ffff:680:91ca
6.128.145.203 0:0:0:0:0:ffff:680:91cb
6.128.145.204 0:0:0:0:0:ffff:680:91cc
6.128.145.205 0:0:0:0:0:ffff:680:91cd
6.128.145.206 0:0:0:0:0:ffff:680:91ce
6.128.145.207 0:0:0:0:0:ffff:680:91cf
6.128.145.208 0:0:0:0:0:ffff:680:91d0
6.128.145.209 0:0:0:0:0:ffff:680:91d1
6.128.145.210 0:0:0:0:0:ffff:680:91d2
6.128.145.211 0:0:0:0:0:ffff:680:91d3
6.128.145.212 0:0:0:0:0:ffff:680:91d4
6.128.145.213 0:0:0:0:0:ffff:680:91d5
6.128.145.214 0:0:0:0:0:ffff:680:91d6
6.128.145.215 0:0:0:0:0:ffff:680:91d7
6.128.145.216 0:0:0:0:0:ffff:680:91d8
6.128.145.217 0:0:0:0:0:ffff:680:91d9
6.128.145.218 0:0:0:0:0:ffff:680:91da
6.128.145.219 0:0:0:0:0:ffff:680:91db
6.128.145.220 0:0:0:0:0:ffff:680:91dc
6.128.145.221 0:0:0:0:0:ffff:680:91dd
6.128.145.222 0:0:0:0:0:ffff:680:91de
6.128.145.223 0:0:0:0:0:ffff:680:91df
6.128.145.224 0:0:0:0:0:ffff:680:91e0
6.128.145.225 0:0:0:0:0:ffff:680:91e1
6.128.145.226 0:0:0:0:0:ffff:680:91e2
6.128.145.227 0:0:0:0:0:ffff:680:91e3
6.128.145.228 0:0:0:0:0:ffff:680:91e4
6.128.145.229 0:0:0:0:0:ffff:680:91e5
6.128.145.230 0:0:0:0:0:ffff:680:91e6
6.128.145.231 0:0:0:0:0:ffff:680:91e7
6.128.145.232 0:0:0:0:0:ffff:680:91e8
6.128.145.233 0:0:0:0:0:ffff:680:91e9
6.128.145.234 0:0:0:0:0:ffff:680:91ea
6.128.145.235 0:0:0:0:0:ffff:680:91eb
6.128.145.236 0:0:0:0:0:ffff:680:91ec
6.128.145.237 0:0:0:0:0:ffff:680:91ed
6.128.145.238 0:0:0:0:0:ffff:680:91ee
6.128.145.239 0:0:0:0:0:ffff:680:91ef
6.128.145.240 0:0:0:0:0:ffff:680:91f0
6.128.145.241 0:0:0:0:0:ffff:680:91f1
6.128.145.242 0:0:0:0:0:ffff:680:91f2
6.128.145.243 0:0:0:0:0:ffff:680:91f3
6.128.145.244 0:0:0:0:0:ffff:680:91f4
6.128.145.245 0:0:0:0:0:ffff:680:91f5
6.128.145.246 0:0:0:0:0:ffff:680:91f6
6.128.145.247 0:0:0:0:0:ffff:680:91f7
6.128.145.248 0:0:0:0:0:ffff:680:91f8
6.128.145.249 0:0:0:0:0:ffff:680:91f9
6.128.145.250 0:0:0:0:0:ffff:680:91fa
6.128.145.251 0:0:0:0:0:ffff:680:91fb
6.128.145.252 0:0:0:0:0:ffff:680:91fc
6.128.145.253 0:0:0:0:0:ffff:680:91fd
6.128.145.254 0:0:0:0:0:ffff:680:91fe
6.128.145.255 0:0:0:0:0:ffff:680:91ff


How we got IPv4 subnet masks?

An IPv4 subnet mask consists of 32 bits; it is a sequence of ones (1) followed by a block of zeros (0). The ones indicate bits in the address used for the network prefix and the trailing block of zeros designates that part as being the host identifier.