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
131.73.131.1 0:0:0:0:0:ffff:8349:8301
131.73.131.2 0:0:0:0:0:ffff:8349:8302
131.73.131.3 0:0:0:0:0:ffff:8349:8303
131.73.131.4 0:0:0:0:0:ffff:8349:8304
131.73.131.5 0:0:0:0:0:ffff:8349:8305
131.73.131.6 0:0:0:0:0:ffff:8349:8306
131.73.131.7 0:0:0:0:0:ffff:8349:8307
131.73.131.8 0:0:0:0:0:ffff:8349:8308
131.73.131.9 0:0:0:0:0:ffff:8349:8309
131.73.131.10 0:0:0:0:0:ffff:8349:830a
131.73.131.11 0:0:0:0:0:ffff:8349:830b
131.73.131.12 0:0:0:0:0:ffff:8349:830c
131.73.131.13 0:0:0:0:0:ffff:8349:830d
131.73.131.14 0:0:0:0:0:ffff:8349:830e
131.73.131.15 0:0:0:0:0:ffff:8349:830f
131.73.131.16 0:0:0:0:0:ffff:8349:8310
131.73.131.17 0:0:0:0:0:ffff:8349:8311
131.73.131.18 0:0:0:0:0:ffff:8349:8312
131.73.131.19 0:0:0:0:0:ffff:8349:8313
131.73.131.20 0:0:0:0:0:ffff:8349:8314
131.73.131.21 0:0:0:0:0:ffff:8349:8315
131.73.131.22 0:0:0:0:0:ffff:8349:8316
131.73.131.23 0:0:0:0:0:ffff:8349:8317
131.73.131.24 0:0:0:0:0:ffff:8349:8318
131.73.131.25 0:0:0:0:0:ffff:8349:8319
131.73.131.26 0:0:0:0:0:ffff:8349:831a
131.73.131.27 0:0:0:0:0:ffff:8349:831b
131.73.131.28 0:0:0:0:0:ffff:8349:831c
131.73.131.29 0:0:0:0:0:ffff:8349:831d
131.73.131.30 0:0:0:0:0:ffff:8349:831e
131.73.131.31 0:0:0:0:0:ffff:8349:831f
131.73.131.32 0:0:0:0:0:ffff:8349:8320
131.73.131.33 0:0:0:0:0:ffff:8349:8321
131.73.131.34 0:0:0:0:0:ffff:8349:8322
131.73.131.35 0:0:0:0:0:ffff:8349:8323
131.73.131.36 0:0:0:0:0:ffff:8349:8324
131.73.131.37 0:0:0:0:0:ffff:8349:8325
131.73.131.38 0:0:0:0:0:ffff:8349:8326
131.73.131.39 0:0:0:0:0:ffff:8349:8327
131.73.131.40 0:0:0:0:0:ffff:8349:8328
131.73.131.41 0:0:0:0:0:ffff:8349:8329
131.73.131.42 0:0:0:0:0:ffff:8349:832a
131.73.131.43 0:0:0:0:0:ffff:8349:832b
131.73.131.44 0:0:0:0:0:ffff:8349:832c
131.73.131.45 0:0:0:0:0:ffff:8349:832d
131.73.131.46 0:0:0:0:0:ffff:8349:832e
131.73.131.47 0:0:0:0:0:ffff:8349:832f
131.73.131.48 0:0:0:0:0:ffff:8349:8330
131.73.131.49 0:0:0:0:0:ffff:8349:8331
131.73.131.50 0:0:0:0:0:ffff:8349:8332
131.73.131.51 0:0:0:0:0:ffff:8349:8333
131.73.131.52 0:0:0:0:0:ffff:8349:8334
131.73.131.53 0:0:0:0:0:ffff:8349:8335
131.73.131.54 0:0:0:0:0:ffff:8349:8336
131.73.131.55 0:0:0:0:0:ffff:8349:8337
131.73.131.56 0:0:0:0:0:ffff:8349:8338
131.73.131.57 0:0:0:0:0:ffff:8349:8339
131.73.131.58 0:0:0:0:0:ffff:8349:833a
131.73.131.59 0:0:0:0:0:ffff:8349:833b
131.73.131.60 0:0:0:0:0:ffff:8349:833c


131.73.131.61 0:0:0:0:0:ffff:8349:833d
131.73.131.62 0:0:0:0:0:ffff:8349:833e
131.73.131.63 0:0:0:0:0:ffff:8349:833f
131.73.131.64 0:0:0:0:0:ffff:8349:8340
131.73.131.65 0:0:0:0:0:ffff:8349:8341
131.73.131.66 0:0:0:0:0:ffff:8349:8342
131.73.131.67 0:0:0:0:0:ffff:8349:8343
131.73.131.68 0:0:0:0:0:ffff:8349:8344
131.73.131.69 0:0:0:0:0:ffff:8349:8345
131.73.131.70 0:0:0:0:0:ffff:8349:8346
131.73.131.71 0:0:0:0:0:ffff:8349:8347
131.73.131.72 0:0:0:0:0:ffff:8349:8348
131.73.131.73 0:0:0:0:0:ffff:8349:8349
131.73.131.74 0:0:0:0:0:ffff:8349:834a
131.73.131.75 0:0:0:0:0:ffff:8349:834b
131.73.131.76 0:0:0:0:0:ffff:8349:834c
131.73.131.77 0:0:0:0:0:ffff:8349:834d
131.73.131.78 0:0:0:0:0:ffff:8349:834e
131.73.131.79 0:0:0:0:0:ffff:8349:834f
131.73.131.80 0:0:0:0:0:ffff:8349:8350
131.73.131.81 0:0:0:0:0:ffff:8349:8351
131.73.131.82 0:0:0:0:0:ffff:8349:8352
131.73.131.83 0:0:0:0:0:ffff:8349:8353
131.73.131.84 0:0:0:0:0:ffff:8349:8354
131.73.131.85 0:0:0:0:0:ffff:8349:8355
131.73.131.86 0:0:0:0:0:ffff:8349:8356
131.73.131.87 0:0:0:0:0:ffff:8349:8357
131.73.131.88 0:0:0:0:0:ffff:8349:8358
131.73.131.89 0:0:0:0:0:ffff:8349:8359
131.73.131.90 0:0:0:0:0:ffff:8349:835a
131.73.131.91 0:0:0:0:0:ffff:8349:835b
131.73.131.92 0:0:0:0:0:ffff:8349:835c
131.73.131.93 0:0:0:0:0:ffff:8349:835d
131.73.131.94 0:0:0:0:0:ffff:8349:835e
131.73.131.95 0:0:0:0:0:ffff:8349:835f
131.73.131.96 0:0:0:0:0:ffff:8349:8360
131.73.131.97 0:0:0:0:0:ffff:8349:8361
131.73.131.98 0:0:0:0:0:ffff:8349:8362
131.73.131.99 0:0:0:0:0:ffff:8349:8363
131.73.131.100 0:0:0:0:0:ffff:8349:8364
131.73.131.101 0:0:0:0:0:ffff:8349:8365
131.73.131.102 0:0:0:0:0:ffff:8349:8366
131.73.131.103 0:0:0:0:0:ffff:8349:8367
131.73.131.104 0:0:0:0:0:ffff:8349:8368
131.73.131.105 0:0:0:0:0:ffff:8349:8369
131.73.131.106 0:0:0:0:0:ffff:8349:836a
131.73.131.107 0:0:0:0:0:ffff:8349:836b
131.73.131.108 0:0:0:0:0:ffff:8349:836c
131.73.131.109 0:0:0:0:0:ffff:8349:836d
131.73.131.110 0:0:0:0:0:ffff:8349:836e
131.73.131.111 0:0:0:0:0:ffff:8349:836f
131.73.131.112 0:0:0:0:0:ffff:8349:8370
131.73.131.113 0:0:0:0:0:ffff:8349:8371
131.73.131.114 0:0:0:0:0:ffff:8349:8372
131.73.131.115 0:0:0:0:0:ffff:8349:8373
131.73.131.116 0:0:0:0:0:ffff:8349:8374
131.73.131.117 0:0:0:0:0:ffff:8349:8375
131.73.131.118 0:0:0:0:0:ffff:8349:8376
131.73.131.119 0:0:0:0:0:ffff:8349:8377
131.73.131.120 0:0:0:0:0:ffff:8349:8378


131.73.131.121 0:0:0:0:0:ffff:8349:8379
131.73.131.122 0:0:0:0:0:ffff:8349:837a
131.73.131.123 0:0:0:0:0:ffff:8349:837b
131.73.131.124 0:0:0:0:0:ffff:8349:837c
131.73.131.125 0:0:0:0:0:ffff:8349:837d
131.73.131.126 0:0:0:0:0:ffff:8349:837e
131.73.131.127 0:0:0:0:0:ffff:8349:837f
131.73.131.128 0:0:0:0:0:ffff:8349:8380
131.73.131.129 0:0:0:0:0:ffff:8349:8381
131.73.131.130 0:0:0:0:0:ffff:8349:8382
131.73.131.131 0:0:0:0:0:ffff:8349:8383
131.73.131.132 0:0:0:0:0:ffff:8349:8384
131.73.131.133 0:0:0:0:0:ffff:8349:8385
131.73.131.134 0:0:0:0:0:ffff:8349:8386
131.73.131.135 0:0:0:0:0:ffff:8349:8387
131.73.131.136 0:0:0:0:0:ffff:8349:8388
131.73.131.137 0:0:0:0:0:ffff:8349:8389
131.73.131.138 0:0:0:0:0:ffff:8349:838a
131.73.131.139 0:0:0:0:0:ffff:8349:838b
131.73.131.140 0:0:0:0:0:ffff:8349:838c
131.73.131.141 0:0:0:0:0:ffff:8349:838d
131.73.131.142 0:0:0:0:0:ffff:8349:838e
131.73.131.143 0:0:0:0:0:ffff:8349:838f
131.73.131.144 0:0:0:0:0:ffff:8349:8390
131.73.131.145 0:0:0:0:0:ffff:8349:8391
131.73.131.146 0:0:0:0:0:ffff:8349:8392
131.73.131.147 0:0:0:0:0:ffff:8349:8393
131.73.131.148 0:0:0:0:0:ffff:8349:8394
131.73.131.149 0:0:0:0:0:ffff:8349:8395
131.73.131.150 0:0:0:0:0:ffff:8349:8396
131.73.131.151 0:0:0:0:0:ffff:8349:8397
131.73.131.152 0:0:0:0:0:ffff:8349:8398
131.73.131.153 0:0:0:0:0:ffff:8349:8399
131.73.131.154 0:0:0:0:0:ffff:8349:839a
131.73.131.155 0:0:0:0:0:ffff:8349:839b
131.73.131.156 0:0:0:0:0:ffff:8349:839c
131.73.131.157 0:0:0:0:0:ffff:8349:839d
131.73.131.158 0:0:0:0:0:ffff:8349:839e
131.73.131.159 0:0:0:0:0:ffff:8349:839f
131.73.131.160 0:0:0:0:0:ffff:8349:83a0
131.73.131.161 0:0:0:0:0:ffff:8349:83a1
131.73.131.162 0:0:0:0:0:ffff:8349:83a2
131.73.131.163 0:0:0:0:0:ffff:8349:83a3
131.73.131.164 0:0:0:0:0:ffff:8349:83a4
131.73.131.165 0:0:0:0:0:ffff:8349:83a5
131.73.131.166 0:0:0:0:0:ffff:8349:83a6
131.73.131.167 0:0:0:0:0:ffff:8349:83a7
131.73.131.168 0:0:0:0:0:ffff:8349:83a8
131.73.131.169 0:0:0:0:0:ffff:8349:83a9
131.73.131.170 0:0:0:0:0:ffff:8349:83aa
131.73.131.171 0:0:0:0:0:ffff:8349:83ab
131.73.131.172 0:0:0:0:0:ffff:8349:83ac
131.73.131.173 0:0:0:0:0:ffff:8349:83ad
131.73.131.174 0:0:0:0:0:ffff:8349:83ae
131.73.131.175 0:0:0:0:0:ffff:8349:83af
131.73.131.176 0:0:0:0:0:ffff:8349:83b0
131.73.131.177 0:0:0:0:0:ffff:8349:83b1
131.73.131.178 0:0:0:0:0:ffff:8349:83b2
131.73.131.179 0:0:0:0:0:ffff:8349:83b3
131.73.131.180 0:0:0:0:0:ffff:8349:83b4


131.73.131.181 0:0:0:0:0:ffff:8349:83b5
131.73.131.182 0:0:0:0:0:ffff:8349:83b6
131.73.131.183 0:0:0:0:0:ffff:8349:83b7
131.73.131.184 0:0:0:0:0:ffff:8349:83b8
131.73.131.185 0:0:0:0:0:ffff:8349:83b9
131.73.131.186 0:0:0:0:0:ffff:8349:83ba
131.73.131.187 0:0:0:0:0:ffff:8349:83bb
131.73.131.188 0:0:0:0:0:ffff:8349:83bc
131.73.131.189 0:0:0:0:0:ffff:8349:83bd
131.73.131.190 0:0:0:0:0:ffff:8349:83be
131.73.131.191 0:0:0:0:0:ffff:8349:83bf
131.73.131.192 0:0:0:0:0:ffff:8349:83c0
131.73.131.193 0:0:0:0:0:ffff:8349:83c1
131.73.131.194 0:0:0:0:0:ffff:8349:83c2
131.73.131.195 0:0:0:0:0:ffff:8349:83c3
131.73.131.196 0:0:0:0:0:ffff:8349:83c4
131.73.131.197 0:0:0:0:0:ffff:8349:83c5
131.73.131.198 0:0:0:0:0:ffff:8349:83c6
131.73.131.199 0:0:0:0:0:ffff:8349:83c7
131.73.131.200 0:0:0:0:0:ffff:8349:83c8
131.73.131.201 0:0:0:0:0:ffff:8349:83c9
131.73.131.202 0:0:0:0:0:ffff:8349:83ca
131.73.131.203 0:0:0:0:0:ffff:8349:83cb
131.73.131.204 0:0:0:0:0:ffff:8349:83cc
131.73.131.205 0:0:0:0:0:ffff:8349:83cd
131.73.131.206 0:0:0:0:0:ffff:8349:83ce
131.73.131.207 0:0:0:0:0:ffff:8349:83cf
131.73.131.208 0:0:0:0:0:ffff:8349:83d0
131.73.131.209 0:0:0:0:0:ffff:8349:83d1
131.73.131.210 0:0:0:0:0:ffff:8349:83d2
131.73.131.211 0:0:0:0:0:ffff:8349:83d3
131.73.131.212 0:0:0:0:0:ffff:8349:83d4
131.73.131.213 0:0:0:0:0:ffff:8349:83d5
131.73.131.214 0:0:0:0:0:ffff:8349:83d6
131.73.131.215 0:0:0:0:0:ffff:8349:83d7
131.73.131.216 0:0:0:0:0:ffff:8349:83d8
131.73.131.217 0:0:0:0:0:ffff:8349:83d9
131.73.131.218 0:0:0:0:0:ffff:8349:83da
131.73.131.219 0:0:0:0:0:ffff:8349:83db
131.73.131.220 0:0:0:0:0:ffff:8349:83dc
131.73.131.221 0:0:0:0:0:ffff:8349:83dd
131.73.131.222 0:0:0:0:0:ffff:8349:83de
131.73.131.223 0:0:0:0:0:ffff:8349:83df
131.73.131.224 0:0:0:0:0:ffff:8349:83e0
131.73.131.225 0:0:0:0:0:ffff:8349:83e1
131.73.131.226 0:0:0:0:0:ffff:8349:83e2
131.73.131.227 0:0:0:0:0:ffff:8349:83e3
131.73.131.228 0:0:0:0:0:ffff:8349:83e4
131.73.131.229 0:0:0:0:0:ffff:8349:83e5
131.73.131.230 0:0:0:0:0:ffff:8349:83e6
131.73.131.231 0:0:0:0:0:ffff:8349:83e7
131.73.131.232 0:0:0:0:0:ffff:8349:83e8
131.73.131.233 0:0:0:0:0:ffff:8349:83e9
131.73.131.234 0:0:0:0:0:ffff:8349:83ea
131.73.131.235 0:0:0:0:0:ffff:8349:83eb
131.73.131.236 0:0:0:0:0:ffff:8349:83ec
131.73.131.237 0:0:0:0:0:ffff:8349:83ed
131.73.131.238 0:0:0:0:0:ffff:8349:83ee
131.73.131.239 0:0:0:0:0:ffff:8349:83ef
131.73.131.240 0:0:0:0:0:ffff:8349:83f0
131.73.131.241 0:0:0:0:0:ffff:8349:83f1
131.73.131.242 0:0:0:0:0:ffff:8349:83f2
131.73.131.243 0:0:0:0:0:ffff:8349:83f3
131.73.131.244 0:0:0:0:0:ffff:8349:83f4
131.73.131.245 0:0:0:0:0:ffff:8349:83f5
131.73.131.246 0:0:0:0:0:ffff:8349:83f6
131.73.131.247 0:0:0:0:0:ffff:8349:83f7
131.73.131.248 0:0:0:0:0:ffff:8349:83f8
131.73.131.249 0:0:0:0:0:ffff:8349:83f9
131.73.131.250 0:0:0:0:0:ffff:8349:83fa
131.73.131.251 0:0:0:0:0:ffff:8349:83fb
131.73.131.252 0:0:0:0:0:ffff:8349:83fc
131.73.131.253 0:0:0:0:0:ffff:8349:83fd
131.73.131.254 0:0:0:0:0:ffff:8349:83fe
131.73.131.255 0:0:0:0:0:ffff:8349:83ff


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.