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
72.255.145.1 0:0:0:0:0:ffff:48ff:9101
72.255.145.2 0:0:0:0:0:ffff:48ff:9102
72.255.145.3 0:0:0:0:0:ffff:48ff:9103
72.255.145.4 0:0:0:0:0:ffff:48ff:9104
72.255.145.5 0:0:0:0:0:ffff:48ff:9105
72.255.145.6 0:0:0:0:0:ffff:48ff:9106
72.255.145.7 0:0:0:0:0:ffff:48ff:9107
72.255.145.8 0:0:0:0:0:ffff:48ff:9108
72.255.145.9 0:0:0:0:0:ffff:48ff:9109
72.255.145.10 0:0:0:0:0:ffff:48ff:910a
72.255.145.11 0:0:0:0:0:ffff:48ff:910b
72.255.145.12 0:0:0:0:0:ffff:48ff:910c
72.255.145.13 0:0:0:0:0:ffff:48ff:910d
72.255.145.14 0:0:0:0:0:ffff:48ff:910e
72.255.145.15 0:0:0:0:0:ffff:48ff:910f
72.255.145.16 0:0:0:0:0:ffff:48ff:9110
72.255.145.17 0:0:0:0:0:ffff:48ff:9111
72.255.145.18 0:0:0:0:0:ffff:48ff:9112
72.255.145.19 0:0:0:0:0:ffff:48ff:9113
72.255.145.20 0:0:0:0:0:ffff:48ff:9114
72.255.145.21 0:0:0:0:0:ffff:48ff:9115
72.255.145.22 0:0:0:0:0:ffff:48ff:9116
72.255.145.23 0:0:0:0:0:ffff:48ff:9117
72.255.145.24 0:0:0:0:0:ffff:48ff:9118
72.255.145.25 0:0:0:0:0:ffff:48ff:9119
72.255.145.26 0:0:0:0:0:ffff:48ff:911a
72.255.145.27 0:0:0:0:0:ffff:48ff:911b
72.255.145.28 0:0:0:0:0:ffff:48ff:911c
72.255.145.29 0:0:0:0:0:ffff:48ff:911d
72.255.145.30 0:0:0:0:0:ffff:48ff:911e
72.255.145.31 0:0:0:0:0:ffff:48ff:911f
72.255.145.32 0:0:0:0:0:ffff:48ff:9120
72.255.145.33 0:0:0:0:0:ffff:48ff:9121
72.255.145.34 0:0:0:0:0:ffff:48ff:9122
72.255.145.35 0:0:0:0:0:ffff:48ff:9123
72.255.145.36 0:0:0:0:0:ffff:48ff:9124
72.255.145.37 0:0:0:0:0:ffff:48ff:9125
72.255.145.38 0:0:0:0:0:ffff:48ff:9126
72.255.145.39 0:0:0:0:0:ffff:48ff:9127
72.255.145.40 0:0:0:0:0:ffff:48ff:9128
72.255.145.41 0:0:0:0:0:ffff:48ff:9129
72.255.145.42 0:0:0:0:0:ffff:48ff:912a
72.255.145.43 0:0:0:0:0:ffff:48ff:912b
72.255.145.44 0:0:0:0:0:ffff:48ff:912c
72.255.145.45 0:0:0:0:0:ffff:48ff:912d
72.255.145.46 0:0:0:0:0:ffff:48ff:912e
72.255.145.47 0:0:0:0:0:ffff:48ff:912f
72.255.145.48 0:0:0:0:0:ffff:48ff:9130
72.255.145.49 0:0:0:0:0:ffff:48ff:9131
72.255.145.50 0:0:0:0:0:ffff:48ff:9132
72.255.145.51 0:0:0:0:0:ffff:48ff:9133
72.255.145.52 0:0:0:0:0:ffff:48ff:9134
72.255.145.53 0:0:0:0:0:ffff:48ff:9135
72.255.145.54 0:0:0:0:0:ffff:48ff:9136
72.255.145.55 0:0:0:0:0:ffff:48ff:9137
72.255.145.56 0:0:0:0:0:ffff:48ff:9138
72.255.145.57 0:0:0:0:0:ffff:48ff:9139
72.255.145.58 0:0:0:0:0:ffff:48ff:913a
72.255.145.59 0:0:0:0:0:ffff:48ff:913b
72.255.145.60 0:0:0:0:0:ffff:48ff:913c


72.255.145.61 0:0:0:0:0:ffff:48ff:913d
72.255.145.62 0:0:0:0:0:ffff:48ff:913e
72.255.145.63 0:0:0:0:0:ffff:48ff:913f
72.255.145.64 0:0:0:0:0:ffff:48ff:9140
72.255.145.65 0:0:0:0:0:ffff:48ff:9141
72.255.145.66 0:0:0:0:0:ffff:48ff:9142
72.255.145.67 0:0:0:0:0:ffff:48ff:9143
72.255.145.68 0:0:0:0:0:ffff:48ff:9144
72.255.145.69 0:0:0:0:0:ffff:48ff:9145
72.255.145.70 0:0:0:0:0:ffff:48ff:9146
72.255.145.71 0:0:0:0:0:ffff:48ff:9147
72.255.145.72 0:0:0:0:0:ffff:48ff:9148
72.255.145.73 0:0:0:0:0:ffff:48ff:9149
72.255.145.74 0:0:0:0:0:ffff:48ff:914a
72.255.145.75 0:0:0:0:0:ffff:48ff:914b
72.255.145.76 0:0:0:0:0:ffff:48ff:914c
72.255.145.77 0:0:0:0:0:ffff:48ff:914d
72.255.145.78 0:0:0:0:0:ffff:48ff:914e
72.255.145.79 0:0:0:0:0:ffff:48ff:914f
72.255.145.80 0:0:0:0:0:ffff:48ff:9150
72.255.145.81 0:0:0:0:0:ffff:48ff:9151
72.255.145.82 0:0:0:0:0:ffff:48ff:9152
72.255.145.83 0:0:0:0:0:ffff:48ff:9153
72.255.145.84 0:0:0:0:0:ffff:48ff:9154
72.255.145.85 0:0:0:0:0:ffff:48ff:9155
72.255.145.86 0:0:0:0:0:ffff:48ff:9156
72.255.145.87 0:0:0:0:0:ffff:48ff:9157
72.255.145.88 0:0:0:0:0:ffff:48ff:9158
72.255.145.89 0:0:0:0:0:ffff:48ff:9159
72.255.145.90 0:0:0:0:0:ffff:48ff:915a
72.255.145.91 0:0:0:0:0:ffff:48ff:915b
72.255.145.92 0:0:0:0:0:ffff:48ff:915c
72.255.145.93 0:0:0:0:0:ffff:48ff:915d
72.255.145.94 0:0:0:0:0:ffff:48ff:915e
72.255.145.95 0:0:0:0:0:ffff:48ff:915f
72.255.145.96 0:0:0:0:0:ffff:48ff:9160
72.255.145.97 0:0:0:0:0:ffff:48ff:9161
72.255.145.98 0:0:0:0:0:ffff:48ff:9162
72.255.145.99 0:0:0:0:0:ffff:48ff:9163
72.255.145.100 0:0:0:0:0:ffff:48ff:9164
72.255.145.101 0:0:0:0:0:ffff:48ff:9165
72.255.145.102 0:0:0:0:0:ffff:48ff:9166
72.255.145.103 0:0:0:0:0:ffff:48ff:9167
72.255.145.104 0:0:0:0:0:ffff:48ff:9168
72.255.145.105 0:0:0:0:0:ffff:48ff:9169
72.255.145.106 0:0:0:0:0:ffff:48ff:916a
72.255.145.107 0:0:0:0:0:ffff:48ff:916b
72.255.145.108 0:0:0:0:0:ffff:48ff:916c
72.255.145.109 0:0:0:0:0:ffff:48ff:916d
72.255.145.110 0:0:0:0:0:ffff:48ff:916e
72.255.145.111 0:0:0:0:0:ffff:48ff:916f
72.255.145.112 0:0:0:0:0:ffff:48ff:9170
72.255.145.113 0:0:0:0:0:ffff:48ff:9171
72.255.145.114 0:0:0:0:0:ffff:48ff:9172
72.255.145.115 0:0:0:0:0:ffff:48ff:9173
72.255.145.116 0:0:0:0:0:ffff:48ff:9174
72.255.145.117 0:0:0:0:0:ffff:48ff:9175
72.255.145.118 0:0:0:0:0:ffff:48ff:9176
72.255.145.119 0:0:0:0:0:ffff:48ff:9177
72.255.145.120 0:0:0:0:0:ffff:48ff:9178


72.255.145.121 0:0:0:0:0:ffff:48ff:9179
72.255.145.122 0:0:0:0:0:ffff:48ff:917a
72.255.145.123 0:0:0:0:0:ffff:48ff:917b
72.255.145.124 0:0:0:0:0:ffff:48ff:917c
72.255.145.125 0:0:0:0:0:ffff:48ff:917d
72.255.145.126 0:0:0:0:0:ffff:48ff:917e
72.255.145.127 0:0:0:0:0:ffff:48ff:917f
72.255.145.128 0:0:0:0:0:ffff:48ff:9180
72.255.145.129 0:0:0:0:0:ffff:48ff:9181
72.255.145.130 0:0:0:0:0:ffff:48ff:9182
72.255.145.131 0:0:0:0:0:ffff:48ff:9183
72.255.145.132 0:0:0:0:0:ffff:48ff:9184
72.255.145.133 0:0:0:0:0:ffff:48ff:9185
72.255.145.134 0:0:0:0:0:ffff:48ff:9186
72.255.145.135 0:0:0:0:0:ffff:48ff:9187
72.255.145.136 0:0:0:0:0:ffff:48ff:9188
72.255.145.137 0:0:0:0:0:ffff:48ff:9189
72.255.145.138 0:0:0:0:0:ffff:48ff:918a
72.255.145.139 0:0:0:0:0:ffff:48ff:918b
72.255.145.140 0:0:0:0:0:ffff:48ff:918c
72.255.145.141 0:0:0:0:0:ffff:48ff:918d
72.255.145.142 0:0:0:0:0:ffff:48ff:918e
72.255.145.143 0:0:0:0:0:ffff:48ff:918f
72.255.145.144 0:0:0:0:0:ffff:48ff:9190
72.255.145.145 0:0:0:0:0:ffff:48ff:9191
72.255.145.146 0:0:0:0:0:ffff:48ff:9192
72.255.145.147 0:0:0:0:0:ffff:48ff:9193
72.255.145.148 0:0:0:0:0:ffff:48ff:9194
72.255.145.149 0:0:0:0:0:ffff:48ff:9195
72.255.145.150 0:0:0:0:0:ffff:48ff:9196
72.255.145.151 0:0:0:0:0:ffff:48ff:9197
72.255.145.152 0:0:0:0:0:ffff:48ff:9198
72.255.145.153 0:0:0:0:0:ffff:48ff:9199
72.255.145.154 0:0:0:0:0:ffff:48ff:919a
72.255.145.155 0:0:0:0:0:ffff:48ff:919b
72.255.145.156 0:0:0:0:0:ffff:48ff:919c
72.255.145.157 0:0:0:0:0:ffff:48ff:919d
72.255.145.158 0:0:0:0:0:ffff:48ff:919e
72.255.145.159 0:0:0:0:0:ffff:48ff:919f
72.255.145.160 0:0:0:0:0:ffff:48ff:91a0
72.255.145.161 0:0:0:0:0:ffff:48ff:91a1
72.255.145.162 0:0:0:0:0:ffff:48ff:91a2
72.255.145.163 0:0:0:0:0:ffff:48ff:91a3
72.255.145.164 0:0:0:0:0:ffff:48ff:91a4
72.255.145.165 0:0:0:0:0:ffff:48ff:91a5
72.255.145.166 0:0:0:0:0:ffff:48ff:91a6
72.255.145.167 0:0:0:0:0:ffff:48ff:91a7
72.255.145.168 0:0:0:0:0:ffff:48ff:91a8
72.255.145.169 0:0:0:0:0:ffff:48ff:91a9
72.255.145.170 0:0:0:0:0:ffff:48ff:91aa
72.255.145.171 0:0:0:0:0:ffff:48ff:91ab
72.255.145.172 0:0:0:0:0:ffff:48ff:91ac
72.255.145.173 0:0:0:0:0:ffff:48ff:91ad
72.255.145.174 0:0:0:0:0:ffff:48ff:91ae
72.255.145.175 0:0:0:0:0:ffff:48ff:91af
72.255.145.176 0:0:0:0:0:ffff:48ff:91b0
72.255.145.177 0:0:0:0:0:ffff:48ff:91b1
72.255.145.178 0:0:0:0:0:ffff:48ff:91b2
72.255.145.179 0:0:0:0:0:ffff:48ff:91b3
72.255.145.180 0:0:0:0:0:ffff:48ff:91b4


72.255.145.181 0:0:0:0:0:ffff:48ff:91b5
72.255.145.182 0:0:0:0:0:ffff:48ff:91b6
72.255.145.183 0:0:0:0:0:ffff:48ff:91b7
72.255.145.184 0:0:0:0:0:ffff:48ff:91b8
72.255.145.185 0:0:0:0:0:ffff:48ff:91b9
72.255.145.186 0:0:0:0:0:ffff:48ff:91ba
72.255.145.187 0:0:0:0:0:ffff:48ff:91bb
72.255.145.188 0:0:0:0:0:ffff:48ff:91bc
72.255.145.189 0:0:0:0:0:ffff:48ff:91bd
72.255.145.190 0:0:0:0:0:ffff:48ff:91be
72.255.145.191 0:0:0:0:0:ffff:48ff:91bf
72.255.145.192 0:0:0:0:0:ffff:48ff:91c0
72.255.145.193 0:0:0:0:0:ffff:48ff:91c1
72.255.145.194 0:0:0:0:0:ffff:48ff:91c2
72.255.145.195 0:0:0:0:0:ffff:48ff:91c3
72.255.145.196 0:0:0:0:0:ffff:48ff:91c4
72.255.145.197 0:0:0:0:0:ffff:48ff:91c5
72.255.145.198 0:0:0:0:0:ffff:48ff:91c6
72.255.145.199 0:0:0:0:0:ffff:48ff:91c7
72.255.145.200 0:0:0:0:0:ffff:48ff:91c8
72.255.145.201 0:0:0:0:0:ffff:48ff:91c9
72.255.145.202 0:0:0:0:0:ffff:48ff:91ca
72.255.145.203 0:0:0:0:0:ffff:48ff:91cb
72.255.145.204 0:0:0:0:0:ffff:48ff:91cc
72.255.145.205 0:0:0:0:0:ffff:48ff:91cd
72.255.145.206 0:0:0:0:0:ffff:48ff:91ce
72.255.145.207 0:0:0:0:0:ffff:48ff:91cf
72.255.145.208 0:0:0:0:0:ffff:48ff:91d0
72.255.145.209 0:0:0:0:0:ffff:48ff:91d1
72.255.145.210 0:0:0:0:0:ffff:48ff:91d2
72.255.145.211 0:0:0:0:0:ffff:48ff:91d3
72.255.145.212 0:0:0:0:0:ffff:48ff:91d4
72.255.145.213 0:0:0:0:0:ffff:48ff:91d5
72.255.145.214 0:0:0:0:0:ffff:48ff:91d6
72.255.145.215 0:0:0:0:0:ffff:48ff:91d7
72.255.145.216 0:0:0:0:0:ffff:48ff:91d8
72.255.145.217 0:0:0:0:0:ffff:48ff:91d9
72.255.145.218 0:0:0:0:0:ffff:48ff:91da
72.255.145.219 0:0:0:0:0:ffff:48ff:91db
72.255.145.220 0:0:0:0:0:ffff:48ff:91dc
72.255.145.221 0:0:0:0:0:ffff:48ff:91dd
72.255.145.222 0:0:0:0:0:ffff:48ff:91de
72.255.145.223 0:0:0:0:0:ffff:48ff:91df
72.255.145.224 0:0:0:0:0:ffff:48ff:91e0
72.255.145.225 0:0:0:0:0:ffff:48ff:91e1
72.255.145.226 0:0:0:0:0:ffff:48ff:91e2
72.255.145.227 0:0:0:0:0:ffff:48ff:91e3
72.255.145.228 0:0:0:0:0:ffff:48ff:91e4
72.255.145.229 0:0:0:0:0:ffff:48ff:91e5
72.255.145.230 0:0:0:0:0:ffff:48ff:91e6
72.255.145.231 0:0:0:0:0:ffff:48ff:91e7
72.255.145.232 0:0:0:0:0:ffff:48ff:91e8
72.255.145.233 0:0:0:0:0:ffff:48ff:91e9
72.255.145.234 0:0:0:0:0:ffff:48ff:91ea
72.255.145.235 0:0:0:0:0:ffff:48ff:91eb
72.255.145.236 0:0:0:0:0:ffff:48ff:91ec
72.255.145.237 0:0:0:0:0:ffff:48ff:91ed
72.255.145.238 0:0:0:0:0:ffff:48ff:91ee
72.255.145.239 0:0:0:0:0:ffff:48ff:91ef
72.255.145.240 0:0:0:0:0:ffff:48ff:91f0
72.255.145.241 0:0:0:0:0:ffff:48ff:91f1
72.255.145.242 0:0:0:0:0:ffff:48ff:91f2
72.255.145.243 0:0:0:0:0:ffff:48ff:91f3
72.255.145.244 0:0:0:0:0:ffff:48ff:91f4
72.255.145.245 0:0:0:0:0:ffff:48ff:91f5
72.255.145.246 0:0:0:0:0:ffff:48ff:91f6
72.255.145.247 0:0:0:0:0:ffff:48ff:91f7
72.255.145.248 0:0:0:0:0:ffff:48ff:91f8
72.255.145.249 0:0:0:0:0:ffff:48ff:91f9
72.255.145.250 0:0:0:0:0:ffff:48ff:91fa
72.255.145.251 0:0:0:0:0:ffff:48ff:91fb
72.255.145.252 0:0:0:0:0:ffff:48ff:91fc
72.255.145.253 0:0:0:0:0:ffff:48ff:91fd
72.255.145.254 0:0:0:0:0:ffff:48ff:91fe
72.255.145.255 0:0:0:0:0:ffff:48ff: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.