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
19.73.130.1 0:0:0:0:0:ffff:1349:8201
19.73.130.2 0:0:0:0:0:ffff:1349:8202
19.73.130.3 0:0:0:0:0:ffff:1349:8203
19.73.130.4 0:0:0:0:0:ffff:1349:8204
19.73.130.5 0:0:0:0:0:ffff:1349:8205
19.73.130.6 0:0:0:0:0:ffff:1349:8206
19.73.130.7 0:0:0:0:0:ffff:1349:8207
19.73.130.8 0:0:0:0:0:ffff:1349:8208
19.73.130.9 0:0:0:0:0:ffff:1349:8209
19.73.130.10 0:0:0:0:0:ffff:1349:820a
19.73.130.11 0:0:0:0:0:ffff:1349:820b
19.73.130.12 0:0:0:0:0:ffff:1349:820c
19.73.130.13 0:0:0:0:0:ffff:1349:820d
19.73.130.14 0:0:0:0:0:ffff:1349:820e
19.73.130.15 0:0:0:0:0:ffff:1349:820f
19.73.130.16 0:0:0:0:0:ffff:1349:8210
19.73.130.17 0:0:0:0:0:ffff:1349:8211
19.73.130.18 0:0:0:0:0:ffff:1349:8212
19.73.130.19 0:0:0:0:0:ffff:1349:8213
19.73.130.20 0:0:0:0:0:ffff:1349:8214
19.73.130.21 0:0:0:0:0:ffff:1349:8215
19.73.130.22 0:0:0:0:0:ffff:1349:8216
19.73.130.23 0:0:0:0:0:ffff:1349:8217
19.73.130.24 0:0:0:0:0:ffff:1349:8218
19.73.130.25 0:0:0:0:0:ffff:1349:8219
19.73.130.26 0:0:0:0:0:ffff:1349:821a
19.73.130.27 0:0:0:0:0:ffff:1349:821b
19.73.130.28 0:0:0:0:0:ffff:1349:821c
19.73.130.29 0:0:0:0:0:ffff:1349:821d
19.73.130.30 0:0:0:0:0:ffff:1349:821e
19.73.130.31 0:0:0:0:0:ffff:1349:821f
19.73.130.32 0:0:0:0:0:ffff:1349:8220
19.73.130.33 0:0:0:0:0:ffff:1349:8221
19.73.130.34 0:0:0:0:0:ffff:1349:8222
19.73.130.35 0:0:0:0:0:ffff:1349:8223
19.73.130.36 0:0:0:0:0:ffff:1349:8224
19.73.130.37 0:0:0:0:0:ffff:1349:8225
19.73.130.38 0:0:0:0:0:ffff:1349:8226
19.73.130.39 0:0:0:0:0:ffff:1349:8227
19.73.130.40 0:0:0:0:0:ffff:1349:8228
19.73.130.41 0:0:0:0:0:ffff:1349:8229
19.73.130.42 0:0:0:0:0:ffff:1349:822a
19.73.130.43 0:0:0:0:0:ffff:1349:822b
19.73.130.44 0:0:0:0:0:ffff:1349:822c
19.73.130.45 0:0:0:0:0:ffff:1349:822d
19.73.130.46 0:0:0:0:0:ffff:1349:822e
19.73.130.47 0:0:0:0:0:ffff:1349:822f
19.73.130.48 0:0:0:0:0:ffff:1349:8230
19.73.130.49 0:0:0:0:0:ffff:1349:8231
19.73.130.50 0:0:0:0:0:ffff:1349:8232
19.73.130.51 0:0:0:0:0:ffff:1349:8233
19.73.130.52 0:0:0:0:0:ffff:1349:8234
19.73.130.53 0:0:0:0:0:ffff:1349:8235
19.73.130.54 0:0:0:0:0:ffff:1349:8236
19.73.130.55 0:0:0:0:0:ffff:1349:8237
19.73.130.56 0:0:0:0:0:ffff:1349:8238
19.73.130.57 0:0:0:0:0:ffff:1349:8239
19.73.130.58 0:0:0:0:0:ffff:1349:823a
19.73.130.59 0:0:0:0:0:ffff:1349:823b
19.73.130.60 0:0:0:0:0:ffff:1349:823c


19.73.130.61 0:0:0:0:0:ffff:1349:823d
19.73.130.62 0:0:0:0:0:ffff:1349:823e
19.73.130.63 0:0:0:0:0:ffff:1349:823f
19.73.130.64 0:0:0:0:0:ffff:1349:8240
19.73.130.65 0:0:0:0:0:ffff:1349:8241
19.73.130.66 0:0:0:0:0:ffff:1349:8242
19.73.130.67 0:0:0:0:0:ffff:1349:8243
19.73.130.68 0:0:0:0:0:ffff:1349:8244
19.73.130.69 0:0:0:0:0:ffff:1349:8245
19.73.130.70 0:0:0:0:0:ffff:1349:8246
19.73.130.71 0:0:0:0:0:ffff:1349:8247
19.73.130.72 0:0:0:0:0:ffff:1349:8248
19.73.130.73 0:0:0:0:0:ffff:1349:8249
19.73.130.74 0:0:0:0:0:ffff:1349:824a
19.73.130.75 0:0:0:0:0:ffff:1349:824b
19.73.130.76 0:0:0:0:0:ffff:1349:824c
19.73.130.77 0:0:0:0:0:ffff:1349:824d
19.73.130.78 0:0:0:0:0:ffff:1349:824e
19.73.130.79 0:0:0:0:0:ffff:1349:824f
19.73.130.80 0:0:0:0:0:ffff:1349:8250
19.73.130.81 0:0:0:0:0:ffff:1349:8251
19.73.130.82 0:0:0:0:0:ffff:1349:8252
19.73.130.83 0:0:0:0:0:ffff:1349:8253
19.73.130.84 0:0:0:0:0:ffff:1349:8254
19.73.130.85 0:0:0:0:0:ffff:1349:8255
19.73.130.86 0:0:0:0:0:ffff:1349:8256
19.73.130.87 0:0:0:0:0:ffff:1349:8257
19.73.130.88 0:0:0:0:0:ffff:1349:8258
19.73.130.89 0:0:0:0:0:ffff:1349:8259
19.73.130.90 0:0:0:0:0:ffff:1349:825a
19.73.130.91 0:0:0:0:0:ffff:1349:825b
19.73.130.92 0:0:0:0:0:ffff:1349:825c
19.73.130.93 0:0:0:0:0:ffff:1349:825d
19.73.130.94 0:0:0:0:0:ffff:1349:825e
19.73.130.95 0:0:0:0:0:ffff:1349:825f
19.73.130.96 0:0:0:0:0:ffff:1349:8260
19.73.130.97 0:0:0:0:0:ffff:1349:8261
19.73.130.98 0:0:0:0:0:ffff:1349:8262
19.73.130.99 0:0:0:0:0:ffff:1349:8263
19.73.130.100 0:0:0:0:0:ffff:1349:8264
19.73.130.101 0:0:0:0:0:ffff:1349:8265
19.73.130.102 0:0:0:0:0:ffff:1349:8266
19.73.130.103 0:0:0:0:0:ffff:1349:8267
19.73.130.104 0:0:0:0:0:ffff:1349:8268
19.73.130.105 0:0:0:0:0:ffff:1349:8269
19.73.130.106 0:0:0:0:0:ffff:1349:826a
19.73.130.107 0:0:0:0:0:ffff:1349:826b
19.73.130.108 0:0:0:0:0:ffff:1349:826c
19.73.130.109 0:0:0:0:0:ffff:1349:826d
19.73.130.110 0:0:0:0:0:ffff:1349:826e
19.73.130.111 0:0:0:0:0:ffff:1349:826f
19.73.130.112 0:0:0:0:0:ffff:1349:8270
19.73.130.113 0:0:0:0:0:ffff:1349:8271
19.73.130.114 0:0:0:0:0:ffff:1349:8272
19.73.130.115 0:0:0:0:0:ffff:1349:8273
19.73.130.116 0:0:0:0:0:ffff:1349:8274
19.73.130.117 0:0:0:0:0:ffff:1349:8275
19.73.130.118 0:0:0:0:0:ffff:1349:8276
19.73.130.119 0:0:0:0:0:ffff:1349:8277
19.73.130.120 0:0:0:0:0:ffff:1349:8278


19.73.130.121 0:0:0:0:0:ffff:1349:8279
19.73.130.122 0:0:0:0:0:ffff:1349:827a
19.73.130.123 0:0:0:0:0:ffff:1349:827b
19.73.130.124 0:0:0:0:0:ffff:1349:827c
19.73.130.125 0:0:0:0:0:ffff:1349:827d
19.73.130.126 0:0:0:0:0:ffff:1349:827e
19.73.130.127 0:0:0:0:0:ffff:1349:827f
19.73.130.128 0:0:0:0:0:ffff:1349:8280
19.73.130.129 0:0:0:0:0:ffff:1349:8281
19.73.130.130 0:0:0:0:0:ffff:1349:8282
19.73.130.131 0:0:0:0:0:ffff:1349:8283
19.73.130.132 0:0:0:0:0:ffff:1349:8284
19.73.130.133 0:0:0:0:0:ffff:1349:8285
19.73.130.134 0:0:0:0:0:ffff:1349:8286
19.73.130.135 0:0:0:0:0:ffff:1349:8287
19.73.130.136 0:0:0:0:0:ffff:1349:8288
19.73.130.137 0:0:0:0:0:ffff:1349:8289
19.73.130.138 0:0:0:0:0:ffff:1349:828a
19.73.130.139 0:0:0:0:0:ffff:1349:828b
19.73.130.140 0:0:0:0:0:ffff:1349:828c
19.73.130.141 0:0:0:0:0:ffff:1349:828d
19.73.130.142 0:0:0:0:0:ffff:1349:828e
19.73.130.143 0:0:0:0:0:ffff:1349:828f
19.73.130.144 0:0:0:0:0:ffff:1349:8290
19.73.130.145 0:0:0:0:0:ffff:1349:8291
19.73.130.146 0:0:0:0:0:ffff:1349:8292
19.73.130.147 0:0:0:0:0:ffff:1349:8293
19.73.130.148 0:0:0:0:0:ffff:1349:8294
19.73.130.149 0:0:0:0:0:ffff:1349:8295
19.73.130.150 0:0:0:0:0:ffff:1349:8296
19.73.130.151 0:0:0:0:0:ffff:1349:8297
19.73.130.152 0:0:0:0:0:ffff:1349:8298
19.73.130.153 0:0:0:0:0:ffff:1349:8299
19.73.130.154 0:0:0:0:0:ffff:1349:829a
19.73.130.155 0:0:0:0:0:ffff:1349:829b
19.73.130.156 0:0:0:0:0:ffff:1349:829c
19.73.130.157 0:0:0:0:0:ffff:1349:829d
19.73.130.158 0:0:0:0:0:ffff:1349:829e
19.73.130.159 0:0:0:0:0:ffff:1349:829f
19.73.130.160 0:0:0:0:0:ffff:1349:82a0
19.73.130.161 0:0:0:0:0:ffff:1349:82a1
19.73.130.162 0:0:0:0:0:ffff:1349:82a2
19.73.130.163 0:0:0:0:0:ffff:1349:82a3
19.73.130.164 0:0:0:0:0:ffff:1349:82a4
19.73.130.165 0:0:0:0:0:ffff:1349:82a5
19.73.130.166 0:0:0:0:0:ffff:1349:82a6
19.73.130.167 0:0:0:0:0:ffff:1349:82a7
19.73.130.168 0:0:0:0:0:ffff:1349:82a8
19.73.130.169 0:0:0:0:0:ffff:1349:82a9
19.73.130.170 0:0:0:0:0:ffff:1349:82aa
19.73.130.171 0:0:0:0:0:ffff:1349:82ab
19.73.130.172 0:0:0:0:0:ffff:1349:82ac
19.73.130.173 0:0:0:0:0:ffff:1349:82ad
19.73.130.174 0:0:0:0:0:ffff:1349:82ae
19.73.130.175 0:0:0:0:0:ffff:1349:82af
19.73.130.176 0:0:0:0:0:ffff:1349:82b0
19.73.130.177 0:0:0:0:0:ffff:1349:82b1
19.73.130.178 0:0:0:0:0:ffff:1349:82b2
19.73.130.179 0:0:0:0:0:ffff:1349:82b3
19.73.130.180 0:0:0:0:0:ffff:1349:82b4


19.73.130.181 0:0:0:0:0:ffff:1349:82b5
19.73.130.182 0:0:0:0:0:ffff:1349:82b6
19.73.130.183 0:0:0:0:0:ffff:1349:82b7
19.73.130.184 0:0:0:0:0:ffff:1349:82b8
19.73.130.185 0:0:0:0:0:ffff:1349:82b9
19.73.130.186 0:0:0:0:0:ffff:1349:82ba
19.73.130.187 0:0:0:0:0:ffff:1349:82bb
19.73.130.188 0:0:0:0:0:ffff:1349:82bc
19.73.130.189 0:0:0:0:0:ffff:1349:82bd
19.73.130.190 0:0:0:0:0:ffff:1349:82be
19.73.130.191 0:0:0:0:0:ffff:1349:82bf
19.73.130.192 0:0:0:0:0:ffff:1349:82c0
19.73.130.193 0:0:0:0:0:ffff:1349:82c1
19.73.130.194 0:0:0:0:0:ffff:1349:82c2
19.73.130.195 0:0:0:0:0:ffff:1349:82c3
19.73.130.196 0:0:0:0:0:ffff:1349:82c4
19.73.130.197 0:0:0:0:0:ffff:1349:82c5
19.73.130.198 0:0:0:0:0:ffff:1349:82c6
19.73.130.199 0:0:0:0:0:ffff:1349:82c7
19.73.130.200 0:0:0:0:0:ffff:1349:82c8
19.73.130.201 0:0:0:0:0:ffff:1349:82c9
19.73.130.202 0:0:0:0:0:ffff:1349:82ca
19.73.130.203 0:0:0:0:0:ffff:1349:82cb
19.73.130.204 0:0:0:0:0:ffff:1349:82cc
19.73.130.205 0:0:0:0:0:ffff:1349:82cd
19.73.130.206 0:0:0:0:0:ffff:1349:82ce
19.73.130.207 0:0:0:0:0:ffff:1349:82cf
19.73.130.208 0:0:0:0:0:ffff:1349:82d0
19.73.130.209 0:0:0:0:0:ffff:1349:82d1
19.73.130.210 0:0:0:0:0:ffff:1349:82d2
19.73.130.211 0:0:0:0:0:ffff:1349:82d3
19.73.130.212 0:0:0:0:0:ffff:1349:82d4
19.73.130.213 0:0:0:0:0:ffff:1349:82d5
19.73.130.214 0:0:0:0:0:ffff:1349:82d6
19.73.130.215 0:0:0:0:0:ffff:1349:82d7
19.73.130.216 0:0:0:0:0:ffff:1349:82d8
19.73.130.217 0:0:0:0:0:ffff:1349:82d9
19.73.130.218 0:0:0:0:0:ffff:1349:82da
19.73.130.219 0:0:0:0:0:ffff:1349:82db
19.73.130.220 0:0:0:0:0:ffff:1349:82dc
19.73.130.221 0:0:0:0:0:ffff:1349:82dd
19.73.130.222 0:0:0:0:0:ffff:1349:82de
19.73.130.223 0:0:0:0:0:ffff:1349:82df
19.73.130.224 0:0:0:0:0:ffff:1349:82e0
19.73.130.225 0:0:0:0:0:ffff:1349:82e1
19.73.130.226 0:0:0:0:0:ffff:1349:82e2
19.73.130.227 0:0:0:0:0:ffff:1349:82e3
19.73.130.228 0:0:0:0:0:ffff:1349:82e4
19.73.130.229 0:0:0:0:0:ffff:1349:82e5
19.73.130.230 0:0:0:0:0:ffff:1349:82e6
19.73.130.231 0:0:0:0:0:ffff:1349:82e7
19.73.130.232 0:0:0:0:0:ffff:1349:82e8
19.73.130.233 0:0:0:0:0:ffff:1349:82e9
19.73.130.234 0:0:0:0:0:ffff:1349:82ea
19.73.130.235 0:0:0:0:0:ffff:1349:82eb
19.73.130.236 0:0:0:0:0:ffff:1349:82ec
19.73.130.237 0:0:0:0:0:ffff:1349:82ed
19.73.130.238 0:0:0:0:0:ffff:1349:82ee
19.73.130.239 0:0:0:0:0:ffff:1349:82ef
19.73.130.240 0:0:0:0:0:ffff:1349:82f0
19.73.130.241 0:0:0:0:0:ffff:1349:82f1
19.73.130.242 0:0:0:0:0:ffff:1349:82f2
19.73.130.243 0:0:0:0:0:ffff:1349:82f3
19.73.130.244 0:0:0:0:0:ffff:1349:82f4
19.73.130.245 0:0:0:0:0:ffff:1349:82f5
19.73.130.246 0:0:0:0:0:ffff:1349:82f6
19.73.130.247 0:0:0:0:0:ffff:1349:82f7
19.73.130.248 0:0:0:0:0:ffff:1349:82f8
19.73.130.249 0:0:0:0:0:ffff:1349:82f9
19.73.130.250 0:0:0:0:0:ffff:1349:82fa
19.73.130.251 0:0:0:0:0:ffff:1349:82fb
19.73.130.252 0:0:0:0:0:ffff:1349:82fc
19.73.130.253 0:0:0:0:0:ffff:1349:82fd
19.73.130.254 0:0:0:0:0:ffff:1349:82fe
19.73.130.255 0:0:0:0:0:ffff:1349:82ff


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.