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
55.45.145.1 0:0:0:0:0:ffff:372d:9101
55.45.145.2 0:0:0:0:0:ffff:372d:9102
55.45.145.3 0:0:0:0:0:ffff:372d:9103
55.45.145.4 0:0:0:0:0:ffff:372d:9104
55.45.145.5 0:0:0:0:0:ffff:372d:9105
55.45.145.6 0:0:0:0:0:ffff:372d:9106
55.45.145.7 0:0:0:0:0:ffff:372d:9107
55.45.145.8 0:0:0:0:0:ffff:372d:9108
55.45.145.9 0:0:0:0:0:ffff:372d:9109
55.45.145.10 0:0:0:0:0:ffff:372d:910a
55.45.145.11 0:0:0:0:0:ffff:372d:910b
55.45.145.12 0:0:0:0:0:ffff:372d:910c
55.45.145.13 0:0:0:0:0:ffff:372d:910d
55.45.145.14 0:0:0:0:0:ffff:372d:910e
55.45.145.15 0:0:0:0:0:ffff:372d:910f
55.45.145.16 0:0:0:0:0:ffff:372d:9110
55.45.145.17 0:0:0:0:0:ffff:372d:9111
55.45.145.18 0:0:0:0:0:ffff:372d:9112
55.45.145.19 0:0:0:0:0:ffff:372d:9113
55.45.145.20 0:0:0:0:0:ffff:372d:9114
55.45.145.21 0:0:0:0:0:ffff:372d:9115
55.45.145.22 0:0:0:0:0:ffff:372d:9116
55.45.145.23 0:0:0:0:0:ffff:372d:9117
55.45.145.24 0:0:0:0:0:ffff:372d:9118
55.45.145.25 0:0:0:0:0:ffff:372d:9119
55.45.145.26 0:0:0:0:0:ffff:372d:911a
55.45.145.27 0:0:0:0:0:ffff:372d:911b
55.45.145.28 0:0:0:0:0:ffff:372d:911c
55.45.145.29 0:0:0:0:0:ffff:372d:911d
55.45.145.30 0:0:0:0:0:ffff:372d:911e
55.45.145.31 0:0:0:0:0:ffff:372d:911f
55.45.145.32 0:0:0:0:0:ffff:372d:9120
55.45.145.33 0:0:0:0:0:ffff:372d:9121
55.45.145.34 0:0:0:0:0:ffff:372d:9122
55.45.145.35 0:0:0:0:0:ffff:372d:9123
55.45.145.36 0:0:0:0:0:ffff:372d:9124
55.45.145.37 0:0:0:0:0:ffff:372d:9125
55.45.145.38 0:0:0:0:0:ffff:372d:9126
55.45.145.39 0:0:0:0:0:ffff:372d:9127
55.45.145.40 0:0:0:0:0:ffff:372d:9128
55.45.145.41 0:0:0:0:0:ffff:372d:9129
55.45.145.42 0:0:0:0:0:ffff:372d:912a
55.45.145.43 0:0:0:0:0:ffff:372d:912b
55.45.145.44 0:0:0:0:0:ffff:372d:912c
55.45.145.45 0:0:0:0:0:ffff:372d:912d
55.45.145.46 0:0:0:0:0:ffff:372d:912e
55.45.145.47 0:0:0:0:0:ffff:372d:912f
55.45.145.48 0:0:0:0:0:ffff:372d:9130
55.45.145.49 0:0:0:0:0:ffff:372d:9131
55.45.145.50 0:0:0:0:0:ffff:372d:9132
55.45.145.51 0:0:0:0:0:ffff:372d:9133
55.45.145.52 0:0:0:0:0:ffff:372d:9134
55.45.145.53 0:0:0:0:0:ffff:372d:9135
55.45.145.54 0:0:0:0:0:ffff:372d:9136
55.45.145.55 0:0:0:0:0:ffff:372d:9137
55.45.145.56 0:0:0:0:0:ffff:372d:9138
55.45.145.57 0:0:0:0:0:ffff:372d:9139
55.45.145.58 0:0:0:0:0:ffff:372d:913a
55.45.145.59 0:0:0:0:0:ffff:372d:913b
55.45.145.60 0:0:0:0:0:ffff:372d:913c


55.45.145.61 0:0:0:0:0:ffff:372d:913d
55.45.145.62 0:0:0:0:0:ffff:372d:913e
55.45.145.63 0:0:0:0:0:ffff:372d:913f
55.45.145.64 0:0:0:0:0:ffff:372d:9140
55.45.145.65 0:0:0:0:0:ffff:372d:9141
55.45.145.66 0:0:0:0:0:ffff:372d:9142
55.45.145.67 0:0:0:0:0:ffff:372d:9143
55.45.145.68 0:0:0:0:0:ffff:372d:9144
55.45.145.69 0:0:0:0:0:ffff:372d:9145
55.45.145.70 0:0:0:0:0:ffff:372d:9146
55.45.145.71 0:0:0:0:0:ffff:372d:9147
55.45.145.72 0:0:0:0:0:ffff:372d:9148
55.45.145.73 0:0:0:0:0:ffff:372d:9149
55.45.145.74 0:0:0:0:0:ffff:372d:914a
55.45.145.75 0:0:0:0:0:ffff:372d:914b
55.45.145.76 0:0:0:0:0:ffff:372d:914c
55.45.145.77 0:0:0:0:0:ffff:372d:914d
55.45.145.78 0:0:0:0:0:ffff:372d:914e
55.45.145.79 0:0:0:0:0:ffff:372d:914f
55.45.145.80 0:0:0:0:0:ffff:372d:9150
55.45.145.81 0:0:0:0:0:ffff:372d:9151
55.45.145.82 0:0:0:0:0:ffff:372d:9152
55.45.145.83 0:0:0:0:0:ffff:372d:9153
55.45.145.84 0:0:0:0:0:ffff:372d:9154
55.45.145.85 0:0:0:0:0:ffff:372d:9155
55.45.145.86 0:0:0:0:0:ffff:372d:9156
55.45.145.87 0:0:0:0:0:ffff:372d:9157
55.45.145.88 0:0:0:0:0:ffff:372d:9158
55.45.145.89 0:0:0:0:0:ffff:372d:9159
55.45.145.90 0:0:0:0:0:ffff:372d:915a
55.45.145.91 0:0:0:0:0:ffff:372d:915b
55.45.145.92 0:0:0:0:0:ffff:372d:915c
55.45.145.93 0:0:0:0:0:ffff:372d:915d
55.45.145.94 0:0:0:0:0:ffff:372d:915e
55.45.145.95 0:0:0:0:0:ffff:372d:915f
55.45.145.96 0:0:0:0:0:ffff:372d:9160
55.45.145.97 0:0:0:0:0:ffff:372d:9161
55.45.145.98 0:0:0:0:0:ffff:372d:9162
55.45.145.99 0:0:0:0:0:ffff:372d:9163
55.45.145.100 0:0:0:0:0:ffff:372d:9164
55.45.145.101 0:0:0:0:0:ffff:372d:9165
55.45.145.102 0:0:0:0:0:ffff:372d:9166
55.45.145.103 0:0:0:0:0:ffff:372d:9167
55.45.145.104 0:0:0:0:0:ffff:372d:9168
55.45.145.105 0:0:0:0:0:ffff:372d:9169
55.45.145.106 0:0:0:0:0:ffff:372d:916a
55.45.145.107 0:0:0:0:0:ffff:372d:916b
55.45.145.108 0:0:0:0:0:ffff:372d:916c
55.45.145.109 0:0:0:0:0:ffff:372d:916d
55.45.145.110 0:0:0:0:0:ffff:372d:916e
55.45.145.111 0:0:0:0:0:ffff:372d:916f
55.45.145.112 0:0:0:0:0:ffff:372d:9170
55.45.145.113 0:0:0:0:0:ffff:372d:9171
55.45.145.114 0:0:0:0:0:ffff:372d:9172
55.45.145.115 0:0:0:0:0:ffff:372d:9173
55.45.145.116 0:0:0:0:0:ffff:372d:9174
55.45.145.117 0:0:0:0:0:ffff:372d:9175
55.45.145.118 0:0:0:0:0:ffff:372d:9176
55.45.145.119 0:0:0:0:0:ffff:372d:9177
55.45.145.120 0:0:0:0:0:ffff:372d:9178


55.45.145.121 0:0:0:0:0:ffff:372d:9179
55.45.145.122 0:0:0:0:0:ffff:372d:917a
55.45.145.123 0:0:0:0:0:ffff:372d:917b
55.45.145.124 0:0:0:0:0:ffff:372d:917c
55.45.145.125 0:0:0:0:0:ffff:372d:917d
55.45.145.126 0:0:0:0:0:ffff:372d:917e
55.45.145.127 0:0:0:0:0:ffff:372d:917f
55.45.145.128 0:0:0:0:0:ffff:372d:9180
55.45.145.129 0:0:0:0:0:ffff:372d:9181
55.45.145.130 0:0:0:0:0:ffff:372d:9182
55.45.145.131 0:0:0:0:0:ffff:372d:9183
55.45.145.132 0:0:0:0:0:ffff:372d:9184
55.45.145.133 0:0:0:0:0:ffff:372d:9185
55.45.145.134 0:0:0:0:0:ffff:372d:9186
55.45.145.135 0:0:0:0:0:ffff:372d:9187
55.45.145.136 0:0:0:0:0:ffff:372d:9188
55.45.145.137 0:0:0:0:0:ffff:372d:9189
55.45.145.138 0:0:0:0:0:ffff:372d:918a
55.45.145.139 0:0:0:0:0:ffff:372d:918b
55.45.145.140 0:0:0:0:0:ffff:372d:918c
55.45.145.141 0:0:0:0:0:ffff:372d:918d
55.45.145.142 0:0:0:0:0:ffff:372d:918e
55.45.145.143 0:0:0:0:0:ffff:372d:918f
55.45.145.144 0:0:0:0:0:ffff:372d:9190
55.45.145.145 0:0:0:0:0:ffff:372d:9191
55.45.145.146 0:0:0:0:0:ffff:372d:9192
55.45.145.147 0:0:0:0:0:ffff:372d:9193
55.45.145.148 0:0:0:0:0:ffff:372d:9194
55.45.145.149 0:0:0:0:0:ffff:372d:9195
55.45.145.150 0:0:0:0:0:ffff:372d:9196
55.45.145.151 0:0:0:0:0:ffff:372d:9197
55.45.145.152 0:0:0:0:0:ffff:372d:9198
55.45.145.153 0:0:0:0:0:ffff:372d:9199
55.45.145.154 0:0:0:0:0:ffff:372d:919a
55.45.145.155 0:0:0:0:0:ffff:372d:919b
55.45.145.156 0:0:0:0:0:ffff:372d:919c
55.45.145.157 0:0:0:0:0:ffff:372d:919d
55.45.145.158 0:0:0:0:0:ffff:372d:919e
55.45.145.159 0:0:0:0:0:ffff:372d:919f
55.45.145.160 0:0:0:0:0:ffff:372d:91a0
55.45.145.161 0:0:0:0:0:ffff:372d:91a1
55.45.145.162 0:0:0:0:0:ffff:372d:91a2
55.45.145.163 0:0:0:0:0:ffff:372d:91a3
55.45.145.164 0:0:0:0:0:ffff:372d:91a4
55.45.145.165 0:0:0:0:0:ffff:372d:91a5
55.45.145.166 0:0:0:0:0:ffff:372d:91a6
55.45.145.167 0:0:0:0:0:ffff:372d:91a7
55.45.145.168 0:0:0:0:0:ffff:372d:91a8
55.45.145.169 0:0:0:0:0:ffff:372d:91a9
55.45.145.170 0:0:0:0:0:ffff:372d:91aa
55.45.145.171 0:0:0:0:0:ffff:372d:91ab
55.45.145.172 0:0:0:0:0:ffff:372d:91ac
55.45.145.173 0:0:0:0:0:ffff:372d:91ad
55.45.145.174 0:0:0:0:0:ffff:372d:91ae
55.45.145.175 0:0:0:0:0:ffff:372d:91af
55.45.145.176 0:0:0:0:0:ffff:372d:91b0
55.45.145.177 0:0:0:0:0:ffff:372d:91b1
55.45.145.178 0:0:0:0:0:ffff:372d:91b2
55.45.145.179 0:0:0:0:0:ffff:372d:91b3
55.45.145.180 0:0:0:0:0:ffff:372d:91b4


55.45.145.181 0:0:0:0:0:ffff:372d:91b5
55.45.145.182 0:0:0:0:0:ffff:372d:91b6
55.45.145.183 0:0:0:0:0:ffff:372d:91b7
55.45.145.184 0:0:0:0:0:ffff:372d:91b8
55.45.145.185 0:0:0:0:0:ffff:372d:91b9
55.45.145.186 0:0:0:0:0:ffff:372d:91ba
55.45.145.187 0:0:0:0:0:ffff:372d:91bb
55.45.145.188 0:0:0:0:0:ffff:372d:91bc
55.45.145.189 0:0:0:0:0:ffff:372d:91bd
55.45.145.190 0:0:0:0:0:ffff:372d:91be
55.45.145.191 0:0:0:0:0:ffff:372d:91bf
55.45.145.192 0:0:0:0:0:ffff:372d:91c0
55.45.145.193 0:0:0:0:0:ffff:372d:91c1
55.45.145.194 0:0:0:0:0:ffff:372d:91c2
55.45.145.195 0:0:0:0:0:ffff:372d:91c3
55.45.145.196 0:0:0:0:0:ffff:372d:91c4
55.45.145.197 0:0:0:0:0:ffff:372d:91c5
55.45.145.198 0:0:0:0:0:ffff:372d:91c6
55.45.145.199 0:0:0:0:0:ffff:372d:91c7
55.45.145.200 0:0:0:0:0:ffff:372d:91c8
55.45.145.201 0:0:0:0:0:ffff:372d:91c9
55.45.145.202 0:0:0:0:0:ffff:372d:91ca
55.45.145.203 0:0:0:0:0:ffff:372d:91cb
55.45.145.204 0:0:0:0:0:ffff:372d:91cc
55.45.145.205 0:0:0:0:0:ffff:372d:91cd
55.45.145.206 0:0:0:0:0:ffff:372d:91ce
55.45.145.207 0:0:0:0:0:ffff:372d:91cf
55.45.145.208 0:0:0:0:0:ffff:372d:91d0
55.45.145.209 0:0:0:0:0:ffff:372d:91d1
55.45.145.210 0:0:0:0:0:ffff:372d:91d2
55.45.145.211 0:0:0:0:0:ffff:372d:91d3
55.45.145.212 0:0:0:0:0:ffff:372d:91d4
55.45.145.213 0:0:0:0:0:ffff:372d:91d5
55.45.145.214 0:0:0:0:0:ffff:372d:91d6
55.45.145.215 0:0:0:0:0:ffff:372d:91d7
55.45.145.216 0:0:0:0:0:ffff:372d:91d8
55.45.145.217 0:0:0:0:0:ffff:372d:91d9
55.45.145.218 0:0:0:0:0:ffff:372d:91da
55.45.145.219 0:0:0:0:0:ffff:372d:91db
55.45.145.220 0:0:0:0:0:ffff:372d:91dc
55.45.145.221 0:0:0:0:0:ffff:372d:91dd
55.45.145.222 0:0:0:0:0:ffff:372d:91de
55.45.145.223 0:0:0:0:0:ffff:372d:91df
55.45.145.224 0:0:0:0:0:ffff:372d:91e0
55.45.145.225 0:0:0:0:0:ffff:372d:91e1
55.45.145.226 0:0:0:0:0:ffff:372d:91e2
55.45.145.227 0:0:0:0:0:ffff:372d:91e3
55.45.145.228 0:0:0:0:0:ffff:372d:91e4
55.45.145.229 0:0:0:0:0:ffff:372d:91e5
55.45.145.230 0:0:0:0:0:ffff:372d:91e6
55.45.145.231 0:0:0:0:0:ffff:372d:91e7
55.45.145.232 0:0:0:0:0:ffff:372d:91e8
55.45.145.233 0:0:0:0:0:ffff:372d:91e9
55.45.145.234 0:0:0:0:0:ffff:372d:91ea
55.45.145.235 0:0:0:0:0:ffff:372d:91eb
55.45.145.236 0:0:0:0:0:ffff:372d:91ec
55.45.145.237 0:0:0:0:0:ffff:372d:91ed
55.45.145.238 0:0:0:0:0:ffff:372d:91ee
55.45.145.239 0:0:0:0:0:ffff:372d:91ef
55.45.145.240 0:0:0:0:0:ffff:372d:91f0
55.45.145.241 0:0:0:0:0:ffff:372d:91f1
55.45.145.242 0:0:0:0:0:ffff:372d:91f2
55.45.145.243 0:0:0:0:0:ffff:372d:91f3
55.45.145.244 0:0:0:0:0:ffff:372d:91f4
55.45.145.245 0:0:0:0:0:ffff:372d:91f5
55.45.145.246 0:0:0:0:0:ffff:372d:91f6
55.45.145.247 0:0:0:0:0:ffff:372d:91f7
55.45.145.248 0:0:0:0:0:ffff:372d:91f8
55.45.145.249 0:0:0:0:0:ffff:372d:91f9
55.45.145.250 0:0:0:0:0:ffff:372d:91fa
55.45.145.251 0:0:0:0:0:ffff:372d:91fb
55.45.145.252 0:0:0:0:0:ffff:372d:91fc
55.45.145.253 0:0:0:0:0:ffff:372d:91fd
55.45.145.254 0:0:0:0:0:ffff:372d:91fe
55.45.145.255 0:0:0:0:0:ffff:372d: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.