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
31.9.243.1 0:0:0:0:0:ffff:1f09:f301
31.9.243.2 0:0:0:0:0:ffff:1f09:f302
31.9.243.3 0:0:0:0:0:ffff:1f09:f303
31.9.243.4 0:0:0:0:0:ffff:1f09:f304
31.9.243.5 0:0:0:0:0:ffff:1f09:f305
31.9.243.6 0:0:0:0:0:ffff:1f09:f306
31.9.243.7 0:0:0:0:0:ffff:1f09:f307
31.9.243.8 0:0:0:0:0:ffff:1f09:f308
31.9.243.9 0:0:0:0:0:ffff:1f09:f309
31.9.243.10 0:0:0:0:0:ffff:1f09:f30a
31.9.243.11 0:0:0:0:0:ffff:1f09:f30b
31.9.243.12 0:0:0:0:0:ffff:1f09:f30c
31.9.243.13 0:0:0:0:0:ffff:1f09:f30d
31.9.243.14 0:0:0:0:0:ffff:1f09:f30e
31.9.243.15 0:0:0:0:0:ffff:1f09:f30f
31.9.243.16 0:0:0:0:0:ffff:1f09:f310
31.9.243.17 0:0:0:0:0:ffff:1f09:f311
31.9.243.18 0:0:0:0:0:ffff:1f09:f312
31.9.243.19 0:0:0:0:0:ffff:1f09:f313
31.9.243.20 0:0:0:0:0:ffff:1f09:f314
31.9.243.21 0:0:0:0:0:ffff:1f09:f315
31.9.243.22 0:0:0:0:0:ffff:1f09:f316
31.9.243.23 0:0:0:0:0:ffff:1f09:f317
31.9.243.24 0:0:0:0:0:ffff:1f09:f318
31.9.243.25 0:0:0:0:0:ffff:1f09:f319
31.9.243.26 0:0:0:0:0:ffff:1f09:f31a
31.9.243.27 0:0:0:0:0:ffff:1f09:f31b
31.9.243.28 0:0:0:0:0:ffff:1f09:f31c
31.9.243.29 0:0:0:0:0:ffff:1f09:f31d
31.9.243.30 0:0:0:0:0:ffff:1f09:f31e
31.9.243.31 0:0:0:0:0:ffff:1f09:f31f
31.9.243.32 0:0:0:0:0:ffff:1f09:f320
31.9.243.33 0:0:0:0:0:ffff:1f09:f321
31.9.243.34 0:0:0:0:0:ffff:1f09:f322
31.9.243.35 0:0:0:0:0:ffff:1f09:f323
31.9.243.36 0:0:0:0:0:ffff:1f09:f324
31.9.243.37 0:0:0:0:0:ffff:1f09:f325
31.9.243.38 0:0:0:0:0:ffff:1f09:f326
31.9.243.39 0:0:0:0:0:ffff:1f09:f327
31.9.243.40 0:0:0:0:0:ffff:1f09:f328
31.9.243.41 0:0:0:0:0:ffff:1f09:f329
31.9.243.42 0:0:0:0:0:ffff:1f09:f32a
31.9.243.43 0:0:0:0:0:ffff:1f09:f32b
31.9.243.44 0:0:0:0:0:ffff:1f09:f32c
31.9.243.45 0:0:0:0:0:ffff:1f09:f32d
31.9.243.46 0:0:0:0:0:ffff:1f09:f32e
31.9.243.47 0:0:0:0:0:ffff:1f09:f32f
31.9.243.48 0:0:0:0:0:ffff:1f09:f330
31.9.243.49 0:0:0:0:0:ffff:1f09:f331
31.9.243.50 0:0:0:0:0:ffff:1f09:f332
31.9.243.51 0:0:0:0:0:ffff:1f09:f333
31.9.243.52 0:0:0:0:0:ffff:1f09:f334
31.9.243.53 0:0:0:0:0:ffff:1f09:f335
31.9.243.54 0:0:0:0:0:ffff:1f09:f336
31.9.243.55 0:0:0:0:0:ffff:1f09:f337
31.9.243.56 0:0:0:0:0:ffff:1f09:f338
31.9.243.57 0:0:0:0:0:ffff:1f09:f339
31.9.243.58 0:0:0:0:0:ffff:1f09:f33a
31.9.243.59 0:0:0:0:0:ffff:1f09:f33b
31.9.243.60 0:0:0:0:0:ffff:1f09:f33c


31.9.243.61 0:0:0:0:0:ffff:1f09:f33d
31.9.243.62 0:0:0:0:0:ffff:1f09:f33e
31.9.243.63 0:0:0:0:0:ffff:1f09:f33f
31.9.243.64 0:0:0:0:0:ffff:1f09:f340
31.9.243.65 0:0:0:0:0:ffff:1f09:f341
31.9.243.66 0:0:0:0:0:ffff:1f09:f342
31.9.243.67 0:0:0:0:0:ffff:1f09:f343
31.9.243.68 0:0:0:0:0:ffff:1f09:f344
31.9.243.69 0:0:0:0:0:ffff:1f09:f345
31.9.243.70 0:0:0:0:0:ffff:1f09:f346
31.9.243.71 0:0:0:0:0:ffff:1f09:f347
31.9.243.72 0:0:0:0:0:ffff:1f09:f348
31.9.243.73 0:0:0:0:0:ffff:1f09:f349
31.9.243.74 0:0:0:0:0:ffff:1f09:f34a
31.9.243.75 0:0:0:0:0:ffff:1f09:f34b
31.9.243.76 0:0:0:0:0:ffff:1f09:f34c
31.9.243.77 0:0:0:0:0:ffff:1f09:f34d
31.9.243.78 0:0:0:0:0:ffff:1f09:f34e
31.9.243.79 0:0:0:0:0:ffff:1f09:f34f
31.9.243.80 0:0:0:0:0:ffff:1f09:f350
31.9.243.81 0:0:0:0:0:ffff:1f09:f351
31.9.243.82 0:0:0:0:0:ffff:1f09:f352
31.9.243.83 0:0:0:0:0:ffff:1f09:f353
31.9.243.84 0:0:0:0:0:ffff:1f09:f354
31.9.243.85 0:0:0:0:0:ffff:1f09:f355
31.9.243.86 0:0:0:0:0:ffff:1f09:f356
31.9.243.87 0:0:0:0:0:ffff:1f09:f357
31.9.243.88 0:0:0:0:0:ffff:1f09:f358
31.9.243.89 0:0:0:0:0:ffff:1f09:f359
31.9.243.90 0:0:0:0:0:ffff:1f09:f35a
31.9.243.91 0:0:0:0:0:ffff:1f09:f35b
31.9.243.92 0:0:0:0:0:ffff:1f09:f35c
31.9.243.93 0:0:0:0:0:ffff:1f09:f35d
31.9.243.94 0:0:0:0:0:ffff:1f09:f35e
31.9.243.95 0:0:0:0:0:ffff:1f09:f35f
31.9.243.96 0:0:0:0:0:ffff:1f09:f360
31.9.243.97 0:0:0:0:0:ffff:1f09:f361
31.9.243.98 0:0:0:0:0:ffff:1f09:f362
31.9.243.99 0:0:0:0:0:ffff:1f09:f363
31.9.243.100 0:0:0:0:0:ffff:1f09:f364
31.9.243.101 0:0:0:0:0:ffff:1f09:f365
31.9.243.102 0:0:0:0:0:ffff:1f09:f366
31.9.243.103 0:0:0:0:0:ffff:1f09:f367
31.9.243.104 0:0:0:0:0:ffff:1f09:f368
31.9.243.105 0:0:0:0:0:ffff:1f09:f369
31.9.243.106 0:0:0:0:0:ffff:1f09:f36a
31.9.243.107 0:0:0:0:0:ffff:1f09:f36b
31.9.243.108 0:0:0:0:0:ffff:1f09:f36c
31.9.243.109 0:0:0:0:0:ffff:1f09:f36d
31.9.243.110 0:0:0:0:0:ffff:1f09:f36e
31.9.243.111 0:0:0:0:0:ffff:1f09:f36f
31.9.243.112 0:0:0:0:0:ffff:1f09:f370
31.9.243.113 0:0:0:0:0:ffff:1f09:f371
31.9.243.114 0:0:0:0:0:ffff:1f09:f372
31.9.243.115 0:0:0:0:0:ffff:1f09:f373
31.9.243.116 0:0:0:0:0:ffff:1f09:f374
31.9.243.117 0:0:0:0:0:ffff:1f09:f375
31.9.243.118 0:0:0:0:0:ffff:1f09:f376
31.9.243.119 0:0:0:0:0:ffff:1f09:f377
31.9.243.120 0:0:0:0:0:ffff:1f09:f378


31.9.243.121 0:0:0:0:0:ffff:1f09:f379
31.9.243.122 0:0:0:0:0:ffff:1f09:f37a
31.9.243.123 0:0:0:0:0:ffff:1f09:f37b
31.9.243.124 0:0:0:0:0:ffff:1f09:f37c
31.9.243.125 0:0:0:0:0:ffff:1f09:f37d
31.9.243.126 0:0:0:0:0:ffff:1f09:f37e
31.9.243.127 0:0:0:0:0:ffff:1f09:f37f
31.9.243.128 0:0:0:0:0:ffff:1f09:f380
31.9.243.129 0:0:0:0:0:ffff:1f09:f381
31.9.243.130 0:0:0:0:0:ffff:1f09:f382
31.9.243.131 0:0:0:0:0:ffff:1f09:f383
31.9.243.132 0:0:0:0:0:ffff:1f09:f384
31.9.243.133 0:0:0:0:0:ffff:1f09:f385
31.9.243.134 0:0:0:0:0:ffff:1f09:f386
31.9.243.135 0:0:0:0:0:ffff:1f09:f387
31.9.243.136 0:0:0:0:0:ffff:1f09:f388
31.9.243.137 0:0:0:0:0:ffff:1f09:f389
31.9.243.138 0:0:0:0:0:ffff:1f09:f38a
31.9.243.139 0:0:0:0:0:ffff:1f09:f38b
31.9.243.140 0:0:0:0:0:ffff:1f09:f38c
31.9.243.141 0:0:0:0:0:ffff:1f09:f38d
31.9.243.142 0:0:0:0:0:ffff:1f09:f38e
31.9.243.143 0:0:0:0:0:ffff:1f09:f38f
31.9.243.144 0:0:0:0:0:ffff:1f09:f390
31.9.243.145 0:0:0:0:0:ffff:1f09:f391
31.9.243.146 0:0:0:0:0:ffff:1f09:f392
31.9.243.147 0:0:0:0:0:ffff:1f09:f393
31.9.243.148 0:0:0:0:0:ffff:1f09:f394
31.9.243.149 0:0:0:0:0:ffff:1f09:f395
31.9.243.150 0:0:0:0:0:ffff:1f09:f396
31.9.243.151 0:0:0:0:0:ffff:1f09:f397
31.9.243.152 0:0:0:0:0:ffff:1f09:f398
31.9.243.153 0:0:0:0:0:ffff:1f09:f399
31.9.243.154 0:0:0:0:0:ffff:1f09:f39a
31.9.243.155 0:0:0:0:0:ffff:1f09:f39b
31.9.243.156 0:0:0:0:0:ffff:1f09:f39c
31.9.243.157 0:0:0:0:0:ffff:1f09:f39d
31.9.243.158 0:0:0:0:0:ffff:1f09:f39e
31.9.243.159 0:0:0:0:0:ffff:1f09:f39f
31.9.243.160 0:0:0:0:0:ffff:1f09:f3a0
31.9.243.161 0:0:0:0:0:ffff:1f09:f3a1
31.9.243.162 0:0:0:0:0:ffff:1f09:f3a2
31.9.243.163 0:0:0:0:0:ffff:1f09:f3a3
31.9.243.164 0:0:0:0:0:ffff:1f09:f3a4
31.9.243.165 0:0:0:0:0:ffff:1f09:f3a5
31.9.243.166 0:0:0:0:0:ffff:1f09:f3a6
31.9.243.167 0:0:0:0:0:ffff:1f09:f3a7
31.9.243.168 0:0:0:0:0:ffff:1f09:f3a8
31.9.243.169 0:0:0:0:0:ffff:1f09:f3a9
31.9.243.170 0:0:0:0:0:ffff:1f09:f3aa
31.9.243.171 0:0:0:0:0:ffff:1f09:f3ab
31.9.243.172 0:0:0:0:0:ffff:1f09:f3ac
31.9.243.173 0:0:0:0:0:ffff:1f09:f3ad
31.9.243.174 0:0:0:0:0:ffff:1f09:f3ae
31.9.243.175 0:0:0:0:0:ffff:1f09:f3af
31.9.243.176 0:0:0:0:0:ffff:1f09:f3b0
31.9.243.177 0:0:0:0:0:ffff:1f09:f3b1
31.9.243.178 0:0:0:0:0:ffff:1f09:f3b2
31.9.243.179 0:0:0:0:0:ffff:1f09:f3b3
31.9.243.180 0:0:0:0:0:ffff:1f09:f3b4


31.9.243.181 0:0:0:0:0:ffff:1f09:f3b5
31.9.243.182 0:0:0:0:0:ffff:1f09:f3b6
31.9.243.183 0:0:0:0:0:ffff:1f09:f3b7
31.9.243.184 0:0:0:0:0:ffff:1f09:f3b8
31.9.243.185 0:0:0:0:0:ffff:1f09:f3b9
31.9.243.186 0:0:0:0:0:ffff:1f09:f3ba
31.9.243.187 0:0:0:0:0:ffff:1f09:f3bb
31.9.243.188 0:0:0:0:0:ffff:1f09:f3bc
31.9.243.189 0:0:0:0:0:ffff:1f09:f3bd
31.9.243.190 0:0:0:0:0:ffff:1f09:f3be
31.9.243.191 0:0:0:0:0:ffff:1f09:f3bf
31.9.243.192 0:0:0:0:0:ffff:1f09:f3c0
31.9.243.193 0:0:0:0:0:ffff:1f09:f3c1
31.9.243.194 0:0:0:0:0:ffff:1f09:f3c2
31.9.243.195 0:0:0:0:0:ffff:1f09:f3c3
31.9.243.196 0:0:0:0:0:ffff:1f09:f3c4
31.9.243.197 0:0:0:0:0:ffff:1f09:f3c5
31.9.243.198 0:0:0:0:0:ffff:1f09:f3c6
31.9.243.199 0:0:0:0:0:ffff:1f09:f3c7
31.9.243.200 0:0:0:0:0:ffff:1f09:f3c8
31.9.243.201 0:0:0:0:0:ffff:1f09:f3c9
31.9.243.202 0:0:0:0:0:ffff:1f09:f3ca
31.9.243.203 0:0:0:0:0:ffff:1f09:f3cb
31.9.243.204 0:0:0:0:0:ffff:1f09:f3cc
31.9.243.205 0:0:0:0:0:ffff:1f09:f3cd
31.9.243.206 0:0:0:0:0:ffff:1f09:f3ce
31.9.243.207 0:0:0:0:0:ffff:1f09:f3cf
31.9.243.208 0:0:0:0:0:ffff:1f09:f3d0
31.9.243.209 0:0:0:0:0:ffff:1f09:f3d1
31.9.243.210 0:0:0:0:0:ffff:1f09:f3d2
31.9.243.211 0:0:0:0:0:ffff:1f09:f3d3
31.9.243.212 0:0:0:0:0:ffff:1f09:f3d4
31.9.243.213 0:0:0:0:0:ffff:1f09:f3d5
31.9.243.214 0:0:0:0:0:ffff:1f09:f3d6
31.9.243.215 0:0:0:0:0:ffff:1f09:f3d7
31.9.243.216 0:0:0:0:0:ffff:1f09:f3d8
31.9.243.217 0:0:0:0:0:ffff:1f09:f3d9
31.9.243.218 0:0:0:0:0:ffff:1f09:f3da
31.9.243.219 0:0:0:0:0:ffff:1f09:f3db
31.9.243.220 0:0:0:0:0:ffff:1f09:f3dc
31.9.243.221 0:0:0:0:0:ffff:1f09:f3dd
31.9.243.222 0:0:0:0:0:ffff:1f09:f3de
31.9.243.223 0:0:0:0:0:ffff:1f09:f3df
31.9.243.224 0:0:0:0:0:ffff:1f09:f3e0
31.9.243.225 0:0:0:0:0:ffff:1f09:f3e1
31.9.243.226 0:0:0:0:0:ffff:1f09:f3e2
31.9.243.227 0:0:0:0:0:ffff:1f09:f3e3
31.9.243.228 0:0:0:0:0:ffff:1f09:f3e4
31.9.243.229 0:0:0:0:0:ffff:1f09:f3e5
31.9.243.230 0:0:0:0:0:ffff:1f09:f3e6
31.9.243.231 0:0:0:0:0:ffff:1f09:f3e7
31.9.243.232 0:0:0:0:0:ffff:1f09:f3e8
31.9.243.233 0:0:0:0:0:ffff:1f09:f3e9
31.9.243.234 0:0:0:0:0:ffff:1f09:f3ea
31.9.243.235 0:0:0:0:0:ffff:1f09:f3eb
31.9.243.236 0:0:0:0:0:ffff:1f09:f3ec
31.9.243.237 0:0:0:0:0:ffff:1f09:f3ed
31.9.243.238 0:0:0:0:0:ffff:1f09:f3ee
31.9.243.239 0:0:0:0:0:ffff:1f09:f3ef
31.9.243.240 0:0:0:0:0:ffff:1f09:f3f0
31.9.243.241 0:0:0:0:0:ffff:1f09:f3f1
31.9.243.242 0:0:0:0:0:ffff:1f09:f3f2
31.9.243.243 0:0:0:0:0:ffff:1f09:f3f3
31.9.243.244 0:0:0:0:0:ffff:1f09:f3f4
31.9.243.245 0:0:0:0:0:ffff:1f09:f3f5
31.9.243.246 0:0:0:0:0:ffff:1f09:f3f6
31.9.243.247 0:0:0:0:0:ffff:1f09:f3f7
31.9.243.248 0:0:0:0:0:ffff:1f09:f3f8
31.9.243.249 0:0:0:0:0:ffff:1f09:f3f9
31.9.243.250 0:0:0:0:0:ffff:1f09:f3fa
31.9.243.251 0:0:0:0:0:ffff:1f09:f3fb
31.9.243.252 0:0:0:0:0:ffff:1f09:f3fc
31.9.243.253 0:0:0:0:0:ffff:1f09:f3fd
31.9.243.254 0:0:0:0:0:ffff:1f09:f3fe
31.9.243.255 0:0:0:0:0:ffff:1f09:f3ff


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.