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
19.73.131.1 0:0:0:0:0:ffff:1349:8301
19.73.131.2 0:0:0:0:0:ffff:1349:8302
19.73.131.3 0:0:0:0:0:ffff:1349:8303
19.73.131.4 0:0:0:0:0:ffff:1349:8304
19.73.131.5 0:0:0:0:0:ffff:1349:8305
19.73.131.6 0:0:0:0:0:ffff:1349:8306
19.73.131.7 0:0:0:0:0:ffff:1349:8307
19.73.131.8 0:0:0:0:0:ffff:1349:8308
19.73.131.9 0:0:0:0:0:ffff:1349:8309
19.73.131.10 0:0:0:0:0:ffff:1349:830a
19.73.131.11 0:0:0:0:0:ffff:1349:830b
19.73.131.12 0:0:0:0:0:ffff:1349:830c
19.73.131.13 0:0:0:0:0:ffff:1349:830d
19.73.131.14 0:0:0:0:0:ffff:1349:830e
19.73.131.15 0:0:0:0:0:ffff:1349:830f
19.73.131.16 0:0:0:0:0:ffff:1349:8310
19.73.131.17 0:0:0:0:0:ffff:1349:8311
19.73.131.18 0:0:0:0:0:ffff:1349:8312
19.73.131.19 0:0:0:0:0:ffff:1349:8313
19.73.131.20 0:0:0:0:0:ffff:1349:8314
19.73.131.21 0:0:0:0:0:ffff:1349:8315
19.73.131.22 0:0:0:0:0:ffff:1349:8316
19.73.131.23 0:0:0:0:0:ffff:1349:8317
19.73.131.24 0:0:0:0:0:ffff:1349:8318
19.73.131.25 0:0:0:0:0:ffff:1349:8319
19.73.131.26 0:0:0:0:0:ffff:1349:831a
19.73.131.27 0:0:0:0:0:ffff:1349:831b
19.73.131.28 0:0:0:0:0:ffff:1349:831c
19.73.131.29 0:0:0:0:0:ffff:1349:831d
19.73.131.30 0:0:0:0:0:ffff:1349:831e
19.73.131.31 0:0:0:0:0:ffff:1349:831f
19.73.131.32 0:0:0:0:0:ffff:1349:8320
19.73.131.33 0:0:0:0:0:ffff:1349:8321
19.73.131.34 0:0:0:0:0:ffff:1349:8322
19.73.131.35 0:0:0:0:0:ffff:1349:8323
19.73.131.36 0:0:0:0:0:ffff:1349:8324
19.73.131.37 0:0:0:0:0:ffff:1349:8325
19.73.131.38 0:0:0:0:0:ffff:1349:8326
19.73.131.39 0:0:0:0:0:ffff:1349:8327
19.73.131.40 0:0:0:0:0:ffff:1349:8328
19.73.131.41 0:0:0:0:0:ffff:1349:8329
19.73.131.42 0:0:0:0:0:ffff:1349:832a
19.73.131.43 0:0:0:0:0:ffff:1349:832b
19.73.131.44 0:0:0:0:0:ffff:1349:832c
19.73.131.45 0:0:0:0:0:ffff:1349:832d
19.73.131.46 0:0:0:0:0:ffff:1349:832e
19.73.131.47 0:0:0:0:0:ffff:1349:832f
19.73.131.48 0:0:0:0:0:ffff:1349:8330
19.73.131.49 0:0:0:0:0:ffff:1349:8331
19.73.131.50 0:0:0:0:0:ffff:1349:8332
19.73.131.51 0:0:0:0:0:ffff:1349:8333
19.73.131.52 0:0:0:0:0:ffff:1349:8334
19.73.131.53 0:0:0:0:0:ffff:1349:8335
19.73.131.54 0:0:0:0:0:ffff:1349:8336
19.73.131.55 0:0:0:0:0:ffff:1349:8337
19.73.131.56 0:0:0:0:0:ffff:1349:8338
19.73.131.57 0:0:0:0:0:ffff:1349:8339
19.73.131.58 0:0:0:0:0:ffff:1349:833a
19.73.131.59 0:0:0:0:0:ffff:1349:833b
19.73.131.60 0:0:0:0:0:ffff:1349:833c


19.73.131.61 0:0:0:0:0:ffff:1349:833d
19.73.131.62 0:0:0:0:0:ffff:1349:833e
19.73.131.63 0:0:0:0:0:ffff:1349:833f
19.73.131.64 0:0:0:0:0:ffff:1349:8340
19.73.131.65 0:0:0:0:0:ffff:1349:8341
19.73.131.66 0:0:0:0:0:ffff:1349:8342
19.73.131.67 0:0:0:0:0:ffff:1349:8343
19.73.131.68 0:0:0:0:0:ffff:1349:8344
19.73.131.69 0:0:0:0:0:ffff:1349:8345
19.73.131.70 0:0:0:0:0:ffff:1349:8346
19.73.131.71 0:0:0:0:0:ffff:1349:8347
19.73.131.72 0:0:0:0:0:ffff:1349:8348
19.73.131.73 0:0:0:0:0:ffff:1349:8349
19.73.131.74 0:0:0:0:0:ffff:1349:834a
19.73.131.75 0:0:0:0:0:ffff:1349:834b
19.73.131.76 0:0:0:0:0:ffff:1349:834c
19.73.131.77 0:0:0:0:0:ffff:1349:834d
19.73.131.78 0:0:0:0:0:ffff:1349:834e
19.73.131.79 0:0:0:0:0:ffff:1349:834f
19.73.131.80 0:0:0:0:0:ffff:1349:8350
19.73.131.81 0:0:0:0:0:ffff:1349:8351
19.73.131.82 0:0:0:0:0:ffff:1349:8352
19.73.131.83 0:0:0:0:0:ffff:1349:8353
19.73.131.84 0:0:0:0:0:ffff:1349:8354
19.73.131.85 0:0:0:0:0:ffff:1349:8355
19.73.131.86 0:0:0:0:0:ffff:1349:8356
19.73.131.87 0:0:0:0:0:ffff:1349:8357
19.73.131.88 0:0:0:0:0:ffff:1349:8358
19.73.131.89 0:0:0:0:0:ffff:1349:8359
19.73.131.90 0:0:0:0:0:ffff:1349:835a
19.73.131.91 0:0:0:0:0:ffff:1349:835b
19.73.131.92 0:0:0:0:0:ffff:1349:835c
19.73.131.93 0:0:0:0:0:ffff:1349:835d
19.73.131.94 0:0:0:0:0:ffff:1349:835e
19.73.131.95 0:0:0:0:0:ffff:1349:835f
19.73.131.96 0:0:0:0:0:ffff:1349:8360
19.73.131.97 0:0:0:0:0:ffff:1349:8361
19.73.131.98 0:0:0:0:0:ffff:1349:8362
19.73.131.99 0:0:0:0:0:ffff:1349:8363
19.73.131.100 0:0:0:0:0:ffff:1349:8364
19.73.131.101 0:0:0:0:0:ffff:1349:8365
19.73.131.102 0:0:0:0:0:ffff:1349:8366
19.73.131.103 0:0:0:0:0:ffff:1349:8367
19.73.131.104 0:0:0:0:0:ffff:1349:8368
19.73.131.105 0:0:0:0:0:ffff:1349:8369
19.73.131.106 0:0:0:0:0:ffff:1349:836a
19.73.131.107 0:0:0:0:0:ffff:1349:836b
19.73.131.108 0:0:0:0:0:ffff:1349:836c
19.73.131.109 0:0:0:0:0:ffff:1349:836d
19.73.131.110 0:0:0:0:0:ffff:1349:836e
19.73.131.111 0:0:0:0:0:ffff:1349:836f
19.73.131.112 0:0:0:0:0:ffff:1349:8370
19.73.131.113 0:0:0:0:0:ffff:1349:8371
19.73.131.114 0:0:0:0:0:ffff:1349:8372
19.73.131.115 0:0:0:0:0:ffff:1349:8373
19.73.131.116 0:0:0:0:0:ffff:1349:8374
19.73.131.117 0:0:0:0:0:ffff:1349:8375
19.73.131.118 0:0:0:0:0:ffff:1349:8376
19.73.131.119 0:0:0:0:0:ffff:1349:8377
19.73.131.120 0:0:0:0:0:ffff:1349:8378


19.73.131.121 0:0:0:0:0:ffff:1349:8379
19.73.131.122 0:0:0:0:0:ffff:1349:837a
19.73.131.123 0:0:0:0:0:ffff:1349:837b
19.73.131.124 0:0:0:0:0:ffff:1349:837c
19.73.131.125 0:0:0:0:0:ffff:1349:837d
19.73.131.126 0:0:0:0:0:ffff:1349:837e
19.73.131.127 0:0:0:0:0:ffff:1349:837f
19.73.131.128 0:0:0:0:0:ffff:1349:8380
19.73.131.129 0:0:0:0:0:ffff:1349:8381
19.73.131.130 0:0:0:0:0:ffff:1349:8382
19.73.131.131 0:0:0:0:0:ffff:1349:8383
19.73.131.132 0:0:0:0:0:ffff:1349:8384
19.73.131.133 0:0:0:0:0:ffff:1349:8385
19.73.131.134 0:0:0:0:0:ffff:1349:8386
19.73.131.135 0:0:0:0:0:ffff:1349:8387
19.73.131.136 0:0:0:0:0:ffff:1349:8388
19.73.131.137 0:0:0:0:0:ffff:1349:8389
19.73.131.138 0:0:0:0:0:ffff:1349:838a
19.73.131.139 0:0:0:0:0:ffff:1349:838b
19.73.131.140 0:0:0:0:0:ffff:1349:838c
19.73.131.141 0:0:0:0:0:ffff:1349:838d
19.73.131.142 0:0:0:0:0:ffff:1349:838e
19.73.131.143 0:0:0:0:0:ffff:1349:838f
19.73.131.144 0:0:0:0:0:ffff:1349:8390
19.73.131.145 0:0:0:0:0:ffff:1349:8391
19.73.131.146 0:0:0:0:0:ffff:1349:8392
19.73.131.147 0:0:0:0:0:ffff:1349:8393
19.73.131.148 0:0:0:0:0:ffff:1349:8394
19.73.131.149 0:0:0:0:0:ffff:1349:8395
19.73.131.150 0:0:0:0:0:ffff:1349:8396
19.73.131.151 0:0:0:0:0:ffff:1349:8397
19.73.131.152 0:0:0:0:0:ffff:1349:8398
19.73.131.153 0:0:0:0:0:ffff:1349:8399
19.73.131.154 0:0:0:0:0:ffff:1349:839a
19.73.131.155 0:0:0:0:0:ffff:1349:839b
19.73.131.156 0:0:0:0:0:ffff:1349:839c
19.73.131.157 0:0:0:0:0:ffff:1349:839d
19.73.131.158 0:0:0:0:0:ffff:1349:839e
19.73.131.159 0:0:0:0:0:ffff:1349:839f
19.73.131.160 0:0:0:0:0:ffff:1349:83a0
19.73.131.161 0:0:0:0:0:ffff:1349:83a1
19.73.131.162 0:0:0:0:0:ffff:1349:83a2
19.73.131.163 0:0:0:0:0:ffff:1349:83a3
19.73.131.164 0:0:0:0:0:ffff:1349:83a4
19.73.131.165 0:0:0:0:0:ffff:1349:83a5
19.73.131.166 0:0:0:0:0:ffff:1349:83a6
19.73.131.167 0:0:0:0:0:ffff:1349:83a7
19.73.131.168 0:0:0:0:0:ffff:1349:83a8
19.73.131.169 0:0:0:0:0:ffff:1349:83a9
19.73.131.170 0:0:0:0:0:ffff:1349:83aa
19.73.131.171 0:0:0:0:0:ffff:1349:83ab
19.73.131.172 0:0:0:0:0:ffff:1349:83ac
19.73.131.173 0:0:0:0:0:ffff:1349:83ad
19.73.131.174 0:0:0:0:0:ffff:1349:83ae
19.73.131.175 0:0:0:0:0:ffff:1349:83af
19.73.131.176 0:0:0:0:0:ffff:1349:83b0
19.73.131.177 0:0:0:0:0:ffff:1349:83b1
19.73.131.178 0:0:0:0:0:ffff:1349:83b2
19.73.131.179 0:0:0:0:0:ffff:1349:83b3
19.73.131.180 0:0:0:0:0:ffff:1349:83b4


19.73.131.181 0:0:0:0:0:ffff:1349:83b5
19.73.131.182 0:0:0:0:0:ffff:1349:83b6
19.73.131.183 0:0:0:0:0:ffff:1349:83b7
19.73.131.184 0:0:0:0:0:ffff:1349:83b8
19.73.131.185 0:0:0:0:0:ffff:1349:83b9
19.73.131.186 0:0:0:0:0:ffff:1349:83ba
19.73.131.187 0:0:0:0:0:ffff:1349:83bb
19.73.131.188 0:0:0:0:0:ffff:1349:83bc
19.73.131.189 0:0:0:0:0:ffff:1349:83bd
19.73.131.190 0:0:0:0:0:ffff:1349:83be
19.73.131.191 0:0:0:0:0:ffff:1349:83bf
19.73.131.192 0:0:0:0:0:ffff:1349:83c0
19.73.131.193 0:0:0:0:0:ffff:1349:83c1
19.73.131.194 0:0:0:0:0:ffff:1349:83c2
19.73.131.195 0:0:0:0:0:ffff:1349:83c3
19.73.131.196 0:0:0:0:0:ffff:1349:83c4
19.73.131.197 0:0:0:0:0:ffff:1349:83c5
19.73.131.198 0:0:0:0:0:ffff:1349:83c6
19.73.131.199 0:0:0:0:0:ffff:1349:83c7
19.73.131.200 0:0:0:0:0:ffff:1349:83c8
19.73.131.201 0:0:0:0:0:ffff:1349:83c9
19.73.131.202 0:0:0:0:0:ffff:1349:83ca
19.73.131.203 0:0:0:0:0:ffff:1349:83cb
19.73.131.204 0:0:0:0:0:ffff:1349:83cc
19.73.131.205 0:0:0:0:0:ffff:1349:83cd
19.73.131.206 0:0:0:0:0:ffff:1349:83ce
19.73.131.207 0:0:0:0:0:ffff:1349:83cf
19.73.131.208 0:0:0:0:0:ffff:1349:83d0
19.73.131.209 0:0:0:0:0:ffff:1349:83d1
19.73.131.210 0:0:0:0:0:ffff:1349:83d2
19.73.131.211 0:0:0:0:0:ffff:1349:83d3
19.73.131.212 0:0:0:0:0:ffff:1349:83d4
19.73.131.213 0:0:0:0:0:ffff:1349:83d5
19.73.131.214 0:0:0:0:0:ffff:1349:83d6
19.73.131.215 0:0:0:0:0:ffff:1349:83d7
19.73.131.216 0:0:0:0:0:ffff:1349:83d8
19.73.131.217 0:0:0:0:0:ffff:1349:83d9
19.73.131.218 0:0:0:0:0:ffff:1349:83da
19.73.131.219 0:0:0:0:0:ffff:1349:83db
19.73.131.220 0:0:0:0:0:ffff:1349:83dc
19.73.131.221 0:0:0:0:0:ffff:1349:83dd
19.73.131.222 0:0:0:0:0:ffff:1349:83de
19.73.131.223 0:0:0:0:0:ffff:1349:83df
19.73.131.224 0:0:0:0:0:ffff:1349:83e0
19.73.131.225 0:0:0:0:0:ffff:1349:83e1
19.73.131.226 0:0:0:0:0:ffff:1349:83e2
19.73.131.227 0:0:0:0:0:ffff:1349:83e3
19.73.131.228 0:0:0:0:0:ffff:1349:83e4
19.73.131.229 0:0:0:0:0:ffff:1349:83e5
19.73.131.230 0:0:0:0:0:ffff:1349:83e6
19.73.131.231 0:0:0:0:0:ffff:1349:83e7
19.73.131.232 0:0:0:0:0:ffff:1349:83e8
19.73.131.233 0:0:0:0:0:ffff:1349:83e9
19.73.131.234 0:0:0:0:0:ffff:1349:83ea
19.73.131.235 0:0:0:0:0:ffff:1349:83eb
19.73.131.236 0:0:0:0:0:ffff:1349:83ec
19.73.131.237 0:0:0:0:0:ffff:1349:83ed
19.73.131.238 0:0:0:0:0:ffff:1349:83ee
19.73.131.239 0:0:0:0:0:ffff:1349:83ef
19.73.131.240 0:0:0:0:0:ffff:1349:83f0
19.73.131.241 0:0:0:0:0:ffff:1349:83f1
19.73.131.242 0:0:0:0:0:ffff:1349:83f2
19.73.131.243 0:0:0:0:0:ffff:1349:83f3
19.73.131.244 0:0:0:0:0:ffff:1349:83f4
19.73.131.245 0:0:0:0:0:ffff:1349:83f5
19.73.131.246 0:0:0:0:0:ffff:1349:83f6
19.73.131.247 0:0:0:0:0:ffff:1349:83f7
19.73.131.248 0:0:0:0:0:ffff:1349:83f8
19.73.131.249 0:0:0:0:0:ffff:1349:83f9
19.73.131.250 0:0:0:0:0:ffff:1349:83fa
19.73.131.251 0:0:0:0:0:ffff:1349:83fb
19.73.131.252 0:0:0:0:0:ffff:1349:83fc
19.73.131.253 0:0:0:0:0:ffff:1349:83fd
19.73.131.254 0:0:0:0:0:ffff:1349:83fe
19.73.131.255 0:0:0:0:0:ffff:1349:83ff


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.