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
121.82.131.1 0:0:0:0:0:ffff:7952:8301
121.82.131.2 0:0:0:0:0:ffff:7952:8302
121.82.131.3 0:0:0:0:0:ffff:7952:8303
121.82.131.4 0:0:0:0:0:ffff:7952:8304
121.82.131.5 0:0:0:0:0:ffff:7952:8305
121.82.131.6 0:0:0:0:0:ffff:7952:8306
121.82.131.7 0:0:0:0:0:ffff:7952:8307
121.82.131.8 0:0:0:0:0:ffff:7952:8308
121.82.131.9 0:0:0:0:0:ffff:7952:8309
121.82.131.10 0:0:0:0:0:ffff:7952:830a
121.82.131.11 0:0:0:0:0:ffff:7952:830b
121.82.131.12 0:0:0:0:0:ffff:7952:830c
121.82.131.13 0:0:0:0:0:ffff:7952:830d
121.82.131.14 0:0:0:0:0:ffff:7952:830e
121.82.131.15 0:0:0:0:0:ffff:7952:830f
121.82.131.16 0:0:0:0:0:ffff:7952:8310
121.82.131.17 0:0:0:0:0:ffff:7952:8311
121.82.131.18 0:0:0:0:0:ffff:7952:8312
121.82.131.19 0:0:0:0:0:ffff:7952:8313
121.82.131.20 0:0:0:0:0:ffff:7952:8314
121.82.131.21 0:0:0:0:0:ffff:7952:8315
121.82.131.22 0:0:0:0:0:ffff:7952:8316
121.82.131.23 0:0:0:0:0:ffff:7952:8317
121.82.131.24 0:0:0:0:0:ffff:7952:8318
121.82.131.25 0:0:0:0:0:ffff:7952:8319
121.82.131.26 0:0:0:0:0:ffff:7952:831a
121.82.131.27 0:0:0:0:0:ffff:7952:831b
121.82.131.28 0:0:0:0:0:ffff:7952:831c
121.82.131.29 0:0:0:0:0:ffff:7952:831d
121.82.131.30 0:0:0:0:0:ffff:7952:831e
121.82.131.31 0:0:0:0:0:ffff:7952:831f
121.82.131.32 0:0:0:0:0:ffff:7952:8320
121.82.131.33 0:0:0:0:0:ffff:7952:8321
121.82.131.34 0:0:0:0:0:ffff:7952:8322
121.82.131.35 0:0:0:0:0:ffff:7952:8323
121.82.131.36 0:0:0:0:0:ffff:7952:8324
121.82.131.37 0:0:0:0:0:ffff:7952:8325
121.82.131.38 0:0:0:0:0:ffff:7952:8326
121.82.131.39 0:0:0:0:0:ffff:7952:8327
121.82.131.40 0:0:0:0:0:ffff:7952:8328
121.82.131.41 0:0:0:0:0:ffff:7952:8329
121.82.131.42 0:0:0:0:0:ffff:7952:832a
121.82.131.43 0:0:0:0:0:ffff:7952:832b
121.82.131.44 0:0:0:0:0:ffff:7952:832c
121.82.131.45 0:0:0:0:0:ffff:7952:832d
121.82.131.46 0:0:0:0:0:ffff:7952:832e
121.82.131.47 0:0:0:0:0:ffff:7952:832f
121.82.131.48 0:0:0:0:0:ffff:7952:8330
121.82.131.49 0:0:0:0:0:ffff:7952:8331
121.82.131.50 0:0:0:0:0:ffff:7952:8332
121.82.131.51 0:0:0:0:0:ffff:7952:8333
121.82.131.52 0:0:0:0:0:ffff:7952:8334
121.82.131.53 0:0:0:0:0:ffff:7952:8335
121.82.131.54 0:0:0:0:0:ffff:7952:8336
121.82.131.55 0:0:0:0:0:ffff:7952:8337
121.82.131.56 0:0:0:0:0:ffff:7952:8338
121.82.131.57 0:0:0:0:0:ffff:7952:8339
121.82.131.58 0:0:0:0:0:ffff:7952:833a
121.82.131.59 0:0:0:0:0:ffff:7952:833b
121.82.131.60 0:0:0:0:0:ffff:7952:833c


121.82.131.61 0:0:0:0:0:ffff:7952:833d
121.82.131.62 0:0:0:0:0:ffff:7952:833e
121.82.131.63 0:0:0:0:0:ffff:7952:833f
121.82.131.64 0:0:0:0:0:ffff:7952:8340
121.82.131.65 0:0:0:0:0:ffff:7952:8341
121.82.131.66 0:0:0:0:0:ffff:7952:8342
121.82.131.67 0:0:0:0:0:ffff:7952:8343
121.82.131.68 0:0:0:0:0:ffff:7952:8344
121.82.131.69 0:0:0:0:0:ffff:7952:8345
121.82.131.70 0:0:0:0:0:ffff:7952:8346
121.82.131.71 0:0:0:0:0:ffff:7952:8347
121.82.131.72 0:0:0:0:0:ffff:7952:8348
121.82.131.73 0:0:0:0:0:ffff:7952:8349
121.82.131.74 0:0:0:0:0:ffff:7952:834a
121.82.131.75 0:0:0:0:0:ffff:7952:834b
121.82.131.76 0:0:0:0:0:ffff:7952:834c
121.82.131.77 0:0:0:0:0:ffff:7952:834d
121.82.131.78 0:0:0:0:0:ffff:7952:834e
121.82.131.79 0:0:0:0:0:ffff:7952:834f
121.82.131.80 0:0:0:0:0:ffff:7952:8350
121.82.131.81 0:0:0:0:0:ffff:7952:8351
121.82.131.82 0:0:0:0:0:ffff:7952:8352
121.82.131.83 0:0:0:0:0:ffff:7952:8353
121.82.131.84 0:0:0:0:0:ffff:7952:8354
121.82.131.85 0:0:0:0:0:ffff:7952:8355
121.82.131.86 0:0:0:0:0:ffff:7952:8356
121.82.131.87 0:0:0:0:0:ffff:7952:8357
121.82.131.88 0:0:0:0:0:ffff:7952:8358
121.82.131.89 0:0:0:0:0:ffff:7952:8359
121.82.131.90 0:0:0:0:0:ffff:7952:835a
121.82.131.91 0:0:0:0:0:ffff:7952:835b
121.82.131.92 0:0:0:0:0:ffff:7952:835c
121.82.131.93 0:0:0:0:0:ffff:7952:835d
121.82.131.94 0:0:0:0:0:ffff:7952:835e
121.82.131.95 0:0:0:0:0:ffff:7952:835f
121.82.131.96 0:0:0:0:0:ffff:7952:8360
121.82.131.97 0:0:0:0:0:ffff:7952:8361
121.82.131.98 0:0:0:0:0:ffff:7952:8362
121.82.131.99 0:0:0:0:0:ffff:7952:8363
121.82.131.100 0:0:0:0:0:ffff:7952:8364
121.82.131.101 0:0:0:0:0:ffff:7952:8365
121.82.131.102 0:0:0:0:0:ffff:7952:8366
121.82.131.103 0:0:0:0:0:ffff:7952:8367
121.82.131.104 0:0:0:0:0:ffff:7952:8368
121.82.131.105 0:0:0:0:0:ffff:7952:8369
121.82.131.106 0:0:0:0:0:ffff:7952:836a
121.82.131.107 0:0:0:0:0:ffff:7952:836b
121.82.131.108 0:0:0:0:0:ffff:7952:836c
121.82.131.109 0:0:0:0:0:ffff:7952:836d
121.82.131.110 0:0:0:0:0:ffff:7952:836e
121.82.131.111 0:0:0:0:0:ffff:7952:836f
121.82.131.112 0:0:0:0:0:ffff:7952:8370
121.82.131.113 0:0:0:0:0:ffff:7952:8371
121.82.131.114 0:0:0:0:0:ffff:7952:8372
121.82.131.115 0:0:0:0:0:ffff:7952:8373
121.82.131.116 0:0:0:0:0:ffff:7952:8374
121.82.131.117 0:0:0:0:0:ffff:7952:8375
121.82.131.118 0:0:0:0:0:ffff:7952:8376
121.82.131.119 0:0:0:0:0:ffff:7952:8377
121.82.131.120 0:0:0:0:0:ffff:7952:8378


121.82.131.121 0:0:0:0:0:ffff:7952:8379
121.82.131.122 0:0:0:0:0:ffff:7952:837a
121.82.131.123 0:0:0:0:0:ffff:7952:837b
121.82.131.124 0:0:0:0:0:ffff:7952:837c
121.82.131.125 0:0:0:0:0:ffff:7952:837d
121.82.131.126 0:0:0:0:0:ffff:7952:837e
121.82.131.127 0:0:0:0:0:ffff:7952:837f
121.82.131.128 0:0:0:0:0:ffff:7952:8380
121.82.131.129 0:0:0:0:0:ffff:7952:8381
121.82.131.130 0:0:0:0:0:ffff:7952:8382
121.82.131.131 0:0:0:0:0:ffff:7952:8383
121.82.131.132 0:0:0:0:0:ffff:7952:8384
121.82.131.133 0:0:0:0:0:ffff:7952:8385
121.82.131.134 0:0:0:0:0:ffff:7952:8386
121.82.131.135 0:0:0:0:0:ffff:7952:8387
121.82.131.136 0:0:0:0:0:ffff:7952:8388
121.82.131.137 0:0:0:0:0:ffff:7952:8389
121.82.131.138 0:0:0:0:0:ffff:7952:838a
121.82.131.139 0:0:0:0:0:ffff:7952:838b
121.82.131.140 0:0:0:0:0:ffff:7952:838c
121.82.131.141 0:0:0:0:0:ffff:7952:838d
121.82.131.142 0:0:0:0:0:ffff:7952:838e
121.82.131.143 0:0:0:0:0:ffff:7952:838f
121.82.131.144 0:0:0:0:0:ffff:7952:8390
121.82.131.145 0:0:0:0:0:ffff:7952:8391
121.82.131.146 0:0:0:0:0:ffff:7952:8392
121.82.131.147 0:0:0:0:0:ffff:7952:8393
121.82.131.148 0:0:0:0:0:ffff:7952:8394
121.82.131.149 0:0:0:0:0:ffff:7952:8395
121.82.131.150 0:0:0:0:0:ffff:7952:8396
121.82.131.151 0:0:0:0:0:ffff:7952:8397
121.82.131.152 0:0:0:0:0:ffff:7952:8398
121.82.131.153 0:0:0:0:0:ffff:7952:8399
121.82.131.154 0:0:0:0:0:ffff:7952:839a
121.82.131.155 0:0:0:0:0:ffff:7952:839b
121.82.131.156 0:0:0:0:0:ffff:7952:839c
121.82.131.157 0:0:0:0:0:ffff:7952:839d
121.82.131.158 0:0:0:0:0:ffff:7952:839e
121.82.131.159 0:0:0:0:0:ffff:7952:839f
121.82.131.160 0:0:0:0:0:ffff:7952:83a0
121.82.131.161 0:0:0:0:0:ffff:7952:83a1
121.82.131.162 0:0:0:0:0:ffff:7952:83a2
121.82.131.163 0:0:0:0:0:ffff:7952:83a3
121.82.131.164 0:0:0:0:0:ffff:7952:83a4
121.82.131.165 0:0:0:0:0:ffff:7952:83a5
121.82.131.166 0:0:0:0:0:ffff:7952:83a6
121.82.131.167 0:0:0:0:0:ffff:7952:83a7
121.82.131.168 0:0:0:0:0:ffff:7952:83a8
121.82.131.169 0:0:0:0:0:ffff:7952:83a9
121.82.131.170 0:0:0:0:0:ffff:7952:83aa
121.82.131.171 0:0:0:0:0:ffff:7952:83ab
121.82.131.172 0:0:0:0:0:ffff:7952:83ac
121.82.131.173 0:0:0:0:0:ffff:7952:83ad
121.82.131.174 0:0:0:0:0:ffff:7952:83ae
121.82.131.175 0:0:0:0:0:ffff:7952:83af
121.82.131.176 0:0:0:0:0:ffff:7952:83b0
121.82.131.177 0:0:0:0:0:ffff:7952:83b1
121.82.131.178 0:0:0:0:0:ffff:7952:83b2
121.82.131.179 0:0:0:0:0:ffff:7952:83b3
121.82.131.180 0:0:0:0:0:ffff:7952:83b4


121.82.131.181 0:0:0:0:0:ffff:7952:83b5
121.82.131.182 0:0:0:0:0:ffff:7952:83b6
121.82.131.183 0:0:0:0:0:ffff:7952:83b7
121.82.131.184 0:0:0:0:0:ffff:7952:83b8
121.82.131.185 0:0:0:0:0:ffff:7952:83b9
121.82.131.186 0:0:0:0:0:ffff:7952:83ba
121.82.131.187 0:0:0:0:0:ffff:7952:83bb
121.82.131.188 0:0:0:0:0:ffff:7952:83bc
121.82.131.189 0:0:0:0:0:ffff:7952:83bd
121.82.131.190 0:0:0:0:0:ffff:7952:83be
121.82.131.191 0:0:0:0:0:ffff:7952:83bf
121.82.131.192 0:0:0:0:0:ffff:7952:83c0
121.82.131.193 0:0:0:0:0:ffff:7952:83c1
121.82.131.194 0:0:0:0:0:ffff:7952:83c2
121.82.131.195 0:0:0:0:0:ffff:7952:83c3
121.82.131.196 0:0:0:0:0:ffff:7952:83c4
121.82.131.197 0:0:0:0:0:ffff:7952:83c5
121.82.131.198 0:0:0:0:0:ffff:7952:83c6
121.82.131.199 0:0:0:0:0:ffff:7952:83c7
121.82.131.200 0:0:0:0:0:ffff:7952:83c8
121.82.131.201 0:0:0:0:0:ffff:7952:83c9
121.82.131.202 0:0:0:0:0:ffff:7952:83ca
121.82.131.203 0:0:0:0:0:ffff:7952:83cb
121.82.131.204 0:0:0:0:0:ffff:7952:83cc
121.82.131.205 0:0:0:0:0:ffff:7952:83cd
121.82.131.206 0:0:0:0:0:ffff:7952:83ce
121.82.131.207 0:0:0:0:0:ffff:7952:83cf
121.82.131.208 0:0:0:0:0:ffff:7952:83d0
121.82.131.209 0:0:0:0:0:ffff:7952:83d1
121.82.131.210 0:0:0:0:0:ffff:7952:83d2
121.82.131.211 0:0:0:0:0:ffff:7952:83d3
121.82.131.212 0:0:0:0:0:ffff:7952:83d4
121.82.131.213 0:0:0:0:0:ffff:7952:83d5
121.82.131.214 0:0:0:0:0:ffff:7952:83d6
121.82.131.215 0:0:0:0:0:ffff:7952:83d7
121.82.131.216 0:0:0:0:0:ffff:7952:83d8
121.82.131.217 0:0:0:0:0:ffff:7952:83d9
121.82.131.218 0:0:0:0:0:ffff:7952:83da
121.82.131.219 0:0:0:0:0:ffff:7952:83db
121.82.131.220 0:0:0:0:0:ffff:7952:83dc
121.82.131.221 0:0:0:0:0:ffff:7952:83dd
121.82.131.222 0:0:0:0:0:ffff:7952:83de
121.82.131.223 0:0:0:0:0:ffff:7952:83df
121.82.131.224 0:0:0:0:0:ffff:7952:83e0
121.82.131.225 0:0:0:0:0:ffff:7952:83e1
121.82.131.226 0:0:0:0:0:ffff:7952:83e2
121.82.131.227 0:0:0:0:0:ffff:7952:83e3
121.82.131.228 0:0:0:0:0:ffff:7952:83e4
121.82.131.229 0:0:0:0:0:ffff:7952:83e5
121.82.131.230 0:0:0:0:0:ffff:7952:83e6
121.82.131.231 0:0:0:0:0:ffff:7952:83e7
121.82.131.232 0:0:0:0:0:ffff:7952:83e8
121.82.131.233 0:0:0:0:0:ffff:7952:83e9
121.82.131.234 0:0:0:0:0:ffff:7952:83ea
121.82.131.235 0:0:0:0:0:ffff:7952:83eb
121.82.131.236 0:0:0:0:0:ffff:7952:83ec
121.82.131.237 0:0:0:0:0:ffff:7952:83ed
121.82.131.238 0:0:0:0:0:ffff:7952:83ee
121.82.131.239 0:0:0:0:0:ffff:7952:83ef
121.82.131.240 0:0:0:0:0:ffff:7952:83f0
121.82.131.241 0:0:0:0:0:ffff:7952:83f1
121.82.131.242 0:0:0:0:0:ffff:7952:83f2
121.82.131.243 0:0:0:0:0:ffff:7952:83f3
121.82.131.244 0:0:0:0:0:ffff:7952:83f4
121.82.131.245 0:0:0:0:0:ffff:7952:83f5
121.82.131.246 0:0:0:0:0:ffff:7952:83f6
121.82.131.247 0:0:0:0:0:ffff:7952:83f7
121.82.131.248 0:0:0:0:0:ffff:7952:83f8
121.82.131.249 0:0:0:0:0:ffff:7952:83f9
121.82.131.250 0:0:0:0:0:ffff:7952:83fa
121.82.131.251 0:0:0:0:0:ffff:7952:83fb
121.82.131.252 0:0:0:0:0:ffff:7952:83fc
121.82.131.253 0:0:0:0:0:ffff:7952:83fd
121.82.131.254 0:0:0:0:0:ffff:7952:83fe
121.82.131.255 0:0:0:0:0:ffff:7952:83ff


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.