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
123.221.131.1 0:0:0:0:0:ffff:7bdd:8301
123.221.131.2 0:0:0:0:0:ffff:7bdd:8302
123.221.131.3 0:0:0:0:0:ffff:7bdd:8303
123.221.131.4 0:0:0:0:0:ffff:7bdd:8304
123.221.131.5 0:0:0:0:0:ffff:7bdd:8305
123.221.131.6 0:0:0:0:0:ffff:7bdd:8306
123.221.131.7 0:0:0:0:0:ffff:7bdd:8307
123.221.131.8 0:0:0:0:0:ffff:7bdd:8308
123.221.131.9 0:0:0:0:0:ffff:7bdd:8309
123.221.131.10 0:0:0:0:0:ffff:7bdd:830a
123.221.131.11 0:0:0:0:0:ffff:7bdd:830b
123.221.131.12 0:0:0:0:0:ffff:7bdd:830c
123.221.131.13 0:0:0:0:0:ffff:7bdd:830d
123.221.131.14 0:0:0:0:0:ffff:7bdd:830e
123.221.131.15 0:0:0:0:0:ffff:7bdd:830f
123.221.131.16 0:0:0:0:0:ffff:7bdd:8310
123.221.131.17 0:0:0:0:0:ffff:7bdd:8311
123.221.131.18 0:0:0:0:0:ffff:7bdd:8312
123.221.131.19 0:0:0:0:0:ffff:7bdd:8313
123.221.131.20 0:0:0:0:0:ffff:7bdd:8314
123.221.131.21 0:0:0:0:0:ffff:7bdd:8315
123.221.131.22 0:0:0:0:0:ffff:7bdd:8316
123.221.131.23 0:0:0:0:0:ffff:7bdd:8317
123.221.131.24 0:0:0:0:0:ffff:7bdd:8318
123.221.131.25 0:0:0:0:0:ffff:7bdd:8319
123.221.131.26 0:0:0:0:0:ffff:7bdd:831a
123.221.131.27 0:0:0:0:0:ffff:7bdd:831b
123.221.131.28 0:0:0:0:0:ffff:7bdd:831c
123.221.131.29 0:0:0:0:0:ffff:7bdd:831d
123.221.131.30 0:0:0:0:0:ffff:7bdd:831e
123.221.131.31 0:0:0:0:0:ffff:7bdd:831f
123.221.131.32 0:0:0:0:0:ffff:7bdd:8320
123.221.131.33 0:0:0:0:0:ffff:7bdd:8321
123.221.131.34 0:0:0:0:0:ffff:7bdd:8322
123.221.131.35 0:0:0:0:0:ffff:7bdd:8323
123.221.131.36 0:0:0:0:0:ffff:7bdd:8324
123.221.131.37 0:0:0:0:0:ffff:7bdd:8325
123.221.131.38 0:0:0:0:0:ffff:7bdd:8326
123.221.131.39 0:0:0:0:0:ffff:7bdd:8327
123.221.131.40 0:0:0:0:0:ffff:7bdd:8328
123.221.131.41 0:0:0:0:0:ffff:7bdd:8329
123.221.131.42 0:0:0:0:0:ffff:7bdd:832a
123.221.131.43 0:0:0:0:0:ffff:7bdd:832b
123.221.131.44 0:0:0:0:0:ffff:7bdd:832c
123.221.131.45 0:0:0:0:0:ffff:7bdd:832d
123.221.131.46 0:0:0:0:0:ffff:7bdd:832e
123.221.131.47 0:0:0:0:0:ffff:7bdd:832f
123.221.131.48 0:0:0:0:0:ffff:7bdd:8330
123.221.131.49 0:0:0:0:0:ffff:7bdd:8331
123.221.131.50 0:0:0:0:0:ffff:7bdd:8332
123.221.131.51 0:0:0:0:0:ffff:7bdd:8333
123.221.131.52 0:0:0:0:0:ffff:7bdd:8334
123.221.131.53 0:0:0:0:0:ffff:7bdd:8335
123.221.131.54 0:0:0:0:0:ffff:7bdd:8336
123.221.131.55 0:0:0:0:0:ffff:7bdd:8337
123.221.131.56 0:0:0:0:0:ffff:7bdd:8338
123.221.131.57 0:0:0:0:0:ffff:7bdd:8339
123.221.131.58 0:0:0:0:0:ffff:7bdd:833a
123.221.131.59 0:0:0:0:0:ffff:7bdd:833b
123.221.131.60 0:0:0:0:0:ffff:7bdd:833c


123.221.131.61 0:0:0:0:0:ffff:7bdd:833d
123.221.131.62 0:0:0:0:0:ffff:7bdd:833e
123.221.131.63 0:0:0:0:0:ffff:7bdd:833f
123.221.131.64 0:0:0:0:0:ffff:7bdd:8340
123.221.131.65 0:0:0:0:0:ffff:7bdd:8341
123.221.131.66 0:0:0:0:0:ffff:7bdd:8342
123.221.131.67 0:0:0:0:0:ffff:7bdd:8343
123.221.131.68 0:0:0:0:0:ffff:7bdd:8344
123.221.131.69 0:0:0:0:0:ffff:7bdd:8345
123.221.131.70 0:0:0:0:0:ffff:7bdd:8346
123.221.131.71 0:0:0:0:0:ffff:7bdd:8347
123.221.131.72 0:0:0:0:0:ffff:7bdd:8348
123.221.131.73 0:0:0:0:0:ffff:7bdd:8349
123.221.131.74 0:0:0:0:0:ffff:7bdd:834a
123.221.131.75 0:0:0:0:0:ffff:7bdd:834b
123.221.131.76 0:0:0:0:0:ffff:7bdd:834c
123.221.131.77 0:0:0:0:0:ffff:7bdd:834d
123.221.131.78 0:0:0:0:0:ffff:7bdd:834e
123.221.131.79 0:0:0:0:0:ffff:7bdd:834f
123.221.131.80 0:0:0:0:0:ffff:7bdd:8350
123.221.131.81 0:0:0:0:0:ffff:7bdd:8351
123.221.131.82 0:0:0:0:0:ffff:7bdd:8352
123.221.131.83 0:0:0:0:0:ffff:7bdd:8353
123.221.131.84 0:0:0:0:0:ffff:7bdd:8354
123.221.131.85 0:0:0:0:0:ffff:7bdd:8355
123.221.131.86 0:0:0:0:0:ffff:7bdd:8356
123.221.131.87 0:0:0:0:0:ffff:7bdd:8357
123.221.131.88 0:0:0:0:0:ffff:7bdd:8358
123.221.131.89 0:0:0:0:0:ffff:7bdd:8359
123.221.131.90 0:0:0:0:0:ffff:7bdd:835a
123.221.131.91 0:0:0:0:0:ffff:7bdd:835b
123.221.131.92 0:0:0:0:0:ffff:7bdd:835c
123.221.131.93 0:0:0:0:0:ffff:7bdd:835d
123.221.131.94 0:0:0:0:0:ffff:7bdd:835e
123.221.131.95 0:0:0:0:0:ffff:7bdd:835f
123.221.131.96 0:0:0:0:0:ffff:7bdd:8360
123.221.131.97 0:0:0:0:0:ffff:7bdd:8361
123.221.131.98 0:0:0:0:0:ffff:7bdd:8362
123.221.131.99 0:0:0:0:0:ffff:7bdd:8363
123.221.131.100 0:0:0:0:0:ffff:7bdd:8364
123.221.131.101 0:0:0:0:0:ffff:7bdd:8365
123.221.131.102 0:0:0:0:0:ffff:7bdd:8366
123.221.131.103 0:0:0:0:0:ffff:7bdd:8367
123.221.131.104 0:0:0:0:0:ffff:7bdd:8368
123.221.131.105 0:0:0:0:0:ffff:7bdd:8369
123.221.131.106 0:0:0:0:0:ffff:7bdd:836a
123.221.131.107 0:0:0:0:0:ffff:7bdd:836b
123.221.131.108 0:0:0:0:0:ffff:7bdd:836c
123.221.131.109 0:0:0:0:0:ffff:7bdd:836d
123.221.131.110 0:0:0:0:0:ffff:7bdd:836e
123.221.131.111 0:0:0:0:0:ffff:7bdd:836f
123.221.131.112 0:0:0:0:0:ffff:7bdd:8370
123.221.131.113 0:0:0:0:0:ffff:7bdd:8371
123.221.131.114 0:0:0:0:0:ffff:7bdd:8372
123.221.131.115 0:0:0:0:0:ffff:7bdd:8373
123.221.131.116 0:0:0:0:0:ffff:7bdd:8374
123.221.131.117 0:0:0:0:0:ffff:7bdd:8375
123.221.131.118 0:0:0:0:0:ffff:7bdd:8376
123.221.131.119 0:0:0:0:0:ffff:7bdd:8377
123.221.131.120 0:0:0:0:0:ffff:7bdd:8378


123.221.131.121 0:0:0:0:0:ffff:7bdd:8379
123.221.131.122 0:0:0:0:0:ffff:7bdd:837a
123.221.131.123 0:0:0:0:0:ffff:7bdd:837b
123.221.131.124 0:0:0:0:0:ffff:7bdd:837c
123.221.131.125 0:0:0:0:0:ffff:7bdd:837d
123.221.131.126 0:0:0:0:0:ffff:7bdd:837e
123.221.131.127 0:0:0:0:0:ffff:7bdd:837f
123.221.131.128 0:0:0:0:0:ffff:7bdd:8380
123.221.131.129 0:0:0:0:0:ffff:7bdd:8381
123.221.131.130 0:0:0:0:0:ffff:7bdd:8382
123.221.131.131 0:0:0:0:0:ffff:7bdd:8383
123.221.131.132 0:0:0:0:0:ffff:7bdd:8384
123.221.131.133 0:0:0:0:0:ffff:7bdd:8385
123.221.131.134 0:0:0:0:0:ffff:7bdd:8386
123.221.131.135 0:0:0:0:0:ffff:7bdd:8387
123.221.131.136 0:0:0:0:0:ffff:7bdd:8388
123.221.131.137 0:0:0:0:0:ffff:7bdd:8389
123.221.131.138 0:0:0:0:0:ffff:7bdd:838a
123.221.131.139 0:0:0:0:0:ffff:7bdd:838b
123.221.131.140 0:0:0:0:0:ffff:7bdd:838c
123.221.131.141 0:0:0:0:0:ffff:7bdd:838d
123.221.131.142 0:0:0:0:0:ffff:7bdd:838e
123.221.131.143 0:0:0:0:0:ffff:7bdd:838f
123.221.131.144 0:0:0:0:0:ffff:7bdd:8390
123.221.131.145 0:0:0:0:0:ffff:7bdd:8391
123.221.131.146 0:0:0:0:0:ffff:7bdd:8392
123.221.131.147 0:0:0:0:0:ffff:7bdd:8393
123.221.131.148 0:0:0:0:0:ffff:7bdd:8394
123.221.131.149 0:0:0:0:0:ffff:7bdd:8395
123.221.131.150 0:0:0:0:0:ffff:7bdd:8396
123.221.131.151 0:0:0:0:0:ffff:7bdd:8397
123.221.131.152 0:0:0:0:0:ffff:7bdd:8398
123.221.131.153 0:0:0:0:0:ffff:7bdd:8399
123.221.131.154 0:0:0:0:0:ffff:7bdd:839a
123.221.131.155 0:0:0:0:0:ffff:7bdd:839b
123.221.131.156 0:0:0:0:0:ffff:7bdd:839c
123.221.131.157 0:0:0:0:0:ffff:7bdd:839d
123.221.131.158 0:0:0:0:0:ffff:7bdd:839e
123.221.131.159 0:0:0:0:0:ffff:7bdd:839f
123.221.131.160 0:0:0:0:0:ffff:7bdd:83a0
123.221.131.161 0:0:0:0:0:ffff:7bdd:83a1
123.221.131.162 0:0:0:0:0:ffff:7bdd:83a2
123.221.131.163 0:0:0:0:0:ffff:7bdd:83a3
123.221.131.164 0:0:0:0:0:ffff:7bdd:83a4
123.221.131.165 0:0:0:0:0:ffff:7bdd:83a5
123.221.131.166 0:0:0:0:0:ffff:7bdd:83a6
123.221.131.167 0:0:0:0:0:ffff:7bdd:83a7
123.221.131.168 0:0:0:0:0:ffff:7bdd:83a8
123.221.131.169 0:0:0:0:0:ffff:7bdd:83a9
123.221.131.170 0:0:0:0:0:ffff:7bdd:83aa
123.221.131.171 0:0:0:0:0:ffff:7bdd:83ab
123.221.131.172 0:0:0:0:0:ffff:7bdd:83ac
123.221.131.173 0:0:0:0:0:ffff:7bdd:83ad
123.221.131.174 0:0:0:0:0:ffff:7bdd:83ae
123.221.131.175 0:0:0:0:0:ffff:7bdd:83af
123.221.131.176 0:0:0:0:0:ffff:7bdd:83b0
123.221.131.177 0:0:0:0:0:ffff:7bdd:83b1
123.221.131.178 0:0:0:0:0:ffff:7bdd:83b2
123.221.131.179 0:0:0:0:0:ffff:7bdd:83b3
123.221.131.180 0:0:0:0:0:ffff:7bdd:83b4


123.221.131.181 0:0:0:0:0:ffff:7bdd:83b5
123.221.131.182 0:0:0:0:0:ffff:7bdd:83b6
123.221.131.183 0:0:0:0:0:ffff:7bdd:83b7
123.221.131.184 0:0:0:0:0:ffff:7bdd:83b8
123.221.131.185 0:0:0:0:0:ffff:7bdd:83b9
123.221.131.186 0:0:0:0:0:ffff:7bdd:83ba
123.221.131.187 0:0:0:0:0:ffff:7bdd:83bb
123.221.131.188 0:0:0:0:0:ffff:7bdd:83bc
123.221.131.189 0:0:0:0:0:ffff:7bdd:83bd
123.221.131.190 0:0:0:0:0:ffff:7bdd:83be
123.221.131.191 0:0:0:0:0:ffff:7bdd:83bf
123.221.131.192 0:0:0:0:0:ffff:7bdd:83c0
123.221.131.193 0:0:0:0:0:ffff:7bdd:83c1
123.221.131.194 0:0:0:0:0:ffff:7bdd:83c2
123.221.131.195 0:0:0:0:0:ffff:7bdd:83c3
123.221.131.196 0:0:0:0:0:ffff:7bdd:83c4
123.221.131.197 0:0:0:0:0:ffff:7bdd:83c5
123.221.131.198 0:0:0:0:0:ffff:7bdd:83c6
123.221.131.199 0:0:0:0:0:ffff:7bdd:83c7
123.221.131.200 0:0:0:0:0:ffff:7bdd:83c8
123.221.131.201 0:0:0:0:0:ffff:7bdd:83c9
123.221.131.202 0:0:0:0:0:ffff:7bdd:83ca
123.221.131.203 0:0:0:0:0:ffff:7bdd:83cb
123.221.131.204 0:0:0:0:0:ffff:7bdd:83cc
123.221.131.205 0:0:0:0:0:ffff:7bdd:83cd
123.221.131.206 0:0:0:0:0:ffff:7bdd:83ce
123.221.131.207 0:0:0:0:0:ffff:7bdd:83cf
123.221.131.208 0:0:0:0:0:ffff:7bdd:83d0
123.221.131.209 0:0:0:0:0:ffff:7bdd:83d1
123.221.131.210 0:0:0:0:0:ffff:7bdd:83d2
123.221.131.211 0:0:0:0:0:ffff:7bdd:83d3
123.221.131.212 0:0:0:0:0:ffff:7bdd:83d4
123.221.131.213 0:0:0:0:0:ffff:7bdd:83d5
123.221.131.214 0:0:0:0:0:ffff:7bdd:83d6
123.221.131.215 0:0:0:0:0:ffff:7bdd:83d7
123.221.131.216 0:0:0:0:0:ffff:7bdd:83d8
123.221.131.217 0:0:0:0:0:ffff:7bdd:83d9
123.221.131.218 0:0:0:0:0:ffff:7bdd:83da
123.221.131.219 0:0:0:0:0:ffff:7bdd:83db
123.221.131.220 0:0:0:0:0:ffff:7bdd:83dc
123.221.131.221 0:0:0:0:0:ffff:7bdd:83dd
123.221.131.222 0:0:0:0:0:ffff:7bdd:83de
123.221.131.223 0:0:0:0:0:ffff:7bdd:83df
123.221.131.224 0:0:0:0:0:ffff:7bdd:83e0
123.221.131.225 0:0:0:0:0:ffff:7bdd:83e1
123.221.131.226 0:0:0:0:0:ffff:7bdd:83e2
123.221.131.227 0:0:0:0:0:ffff:7bdd:83e3
123.221.131.228 0:0:0:0:0:ffff:7bdd:83e4
123.221.131.229 0:0:0:0:0:ffff:7bdd:83e5
123.221.131.230 0:0:0:0:0:ffff:7bdd:83e6
123.221.131.231 0:0:0:0:0:ffff:7bdd:83e7
123.221.131.232 0:0:0:0:0:ffff:7bdd:83e8
123.221.131.233 0:0:0:0:0:ffff:7bdd:83e9
123.221.131.234 0:0:0:0:0:ffff:7bdd:83ea
123.221.131.235 0:0:0:0:0:ffff:7bdd:83eb
123.221.131.236 0:0:0:0:0:ffff:7bdd:83ec
123.221.131.237 0:0:0:0:0:ffff:7bdd:83ed
123.221.131.238 0:0:0:0:0:ffff:7bdd:83ee
123.221.131.239 0:0:0:0:0:ffff:7bdd:83ef
123.221.131.240 0:0:0:0:0:ffff:7bdd:83f0
123.221.131.241 0:0:0:0:0:ffff:7bdd:83f1
123.221.131.242 0:0:0:0:0:ffff:7bdd:83f2
123.221.131.243 0:0:0:0:0:ffff:7bdd:83f3
123.221.131.244 0:0:0:0:0:ffff:7bdd:83f4
123.221.131.245 0:0:0:0:0:ffff:7bdd:83f5
123.221.131.246 0:0:0:0:0:ffff:7bdd:83f6
123.221.131.247 0:0:0:0:0:ffff:7bdd:83f7
123.221.131.248 0:0:0:0:0:ffff:7bdd:83f8
123.221.131.249 0:0:0:0:0:ffff:7bdd:83f9
123.221.131.250 0:0:0:0:0:ffff:7bdd:83fa
123.221.131.251 0:0:0:0:0:ffff:7bdd:83fb
123.221.131.252 0:0:0:0:0:ffff:7bdd:83fc
123.221.131.253 0:0:0:0:0:ffff:7bdd:83fd
123.221.131.254 0:0:0:0:0:ffff:7bdd:83fe
123.221.131.255 0:0:0:0:0:ffff:7bdd: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.