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
15.57.131.1 0:0:0:0:0:ffff:f39:8301
15.57.131.2 0:0:0:0:0:ffff:f39:8302
15.57.131.3 0:0:0:0:0:ffff:f39:8303
15.57.131.4 0:0:0:0:0:ffff:f39:8304
15.57.131.5 0:0:0:0:0:ffff:f39:8305
15.57.131.6 0:0:0:0:0:ffff:f39:8306
15.57.131.7 0:0:0:0:0:ffff:f39:8307
15.57.131.8 0:0:0:0:0:ffff:f39:8308
15.57.131.9 0:0:0:0:0:ffff:f39:8309
15.57.131.10 0:0:0:0:0:ffff:f39:830a
15.57.131.11 0:0:0:0:0:ffff:f39:830b
15.57.131.12 0:0:0:0:0:ffff:f39:830c
15.57.131.13 0:0:0:0:0:ffff:f39:830d
15.57.131.14 0:0:0:0:0:ffff:f39:830e
15.57.131.15 0:0:0:0:0:ffff:f39:830f
15.57.131.16 0:0:0:0:0:ffff:f39:8310
15.57.131.17 0:0:0:0:0:ffff:f39:8311
15.57.131.18 0:0:0:0:0:ffff:f39:8312
15.57.131.19 0:0:0:0:0:ffff:f39:8313
15.57.131.20 0:0:0:0:0:ffff:f39:8314
15.57.131.21 0:0:0:0:0:ffff:f39:8315
15.57.131.22 0:0:0:0:0:ffff:f39:8316
15.57.131.23 0:0:0:0:0:ffff:f39:8317
15.57.131.24 0:0:0:0:0:ffff:f39:8318
15.57.131.25 0:0:0:0:0:ffff:f39:8319
15.57.131.26 0:0:0:0:0:ffff:f39:831a
15.57.131.27 0:0:0:0:0:ffff:f39:831b
15.57.131.28 0:0:0:0:0:ffff:f39:831c
15.57.131.29 0:0:0:0:0:ffff:f39:831d
15.57.131.30 0:0:0:0:0:ffff:f39:831e
15.57.131.31 0:0:0:0:0:ffff:f39:831f
15.57.131.32 0:0:0:0:0:ffff:f39:8320
15.57.131.33 0:0:0:0:0:ffff:f39:8321
15.57.131.34 0:0:0:0:0:ffff:f39:8322
15.57.131.35 0:0:0:0:0:ffff:f39:8323
15.57.131.36 0:0:0:0:0:ffff:f39:8324
15.57.131.37 0:0:0:0:0:ffff:f39:8325
15.57.131.38 0:0:0:0:0:ffff:f39:8326
15.57.131.39 0:0:0:0:0:ffff:f39:8327
15.57.131.40 0:0:0:0:0:ffff:f39:8328
15.57.131.41 0:0:0:0:0:ffff:f39:8329
15.57.131.42 0:0:0:0:0:ffff:f39:832a
15.57.131.43 0:0:0:0:0:ffff:f39:832b
15.57.131.44 0:0:0:0:0:ffff:f39:832c
15.57.131.45 0:0:0:0:0:ffff:f39:832d
15.57.131.46 0:0:0:0:0:ffff:f39:832e
15.57.131.47 0:0:0:0:0:ffff:f39:832f
15.57.131.48 0:0:0:0:0:ffff:f39:8330
15.57.131.49 0:0:0:0:0:ffff:f39:8331
15.57.131.50 0:0:0:0:0:ffff:f39:8332
15.57.131.51 0:0:0:0:0:ffff:f39:8333
15.57.131.52 0:0:0:0:0:ffff:f39:8334
15.57.131.53 0:0:0:0:0:ffff:f39:8335
15.57.131.54 0:0:0:0:0:ffff:f39:8336
15.57.131.55 0:0:0:0:0:ffff:f39:8337
15.57.131.56 0:0:0:0:0:ffff:f39:8338
15.57.131.57 0:0:0:0:0:ffff:f39:8339
15.57.131.58 0:0:0:0:0:ffff:f39:833a
15.57.131.59 0:0:0:0:0:ffff:f39:833b
15.57.131.60 0:0:0:0:0:ffff:f39:833c


15.57.131.61 0:0:0:0:0:ffff:f39:833d
15.57.131.62 0:0:0:0:0:ffff:f39:833e
15.57.131.63 0:0:0:0:0:ffff:f39:833f
15.57.131.64 0:0:0:0:0:ffff:f39:8340
15.57.131.65 0:0:0:0:0:ffff:f39:8341
15.57.131.66 0:0:0:0:0:ffff:f39:8342
15.57.131.67 0:0:0:0:0:ffff:f39:8343
15.57.131.68 0:0:0:0:0:ffff:f39:8344
15.57.131.69 0:0:0:0:0:ffff:f39:8345
15.57.131.70 0:0:0:0:0:ffff:f39:8346
15.57.131.71 0:0:0:0:0:ffff:f39:8347
15.57.131.72 0:0:0:0:0:ffff:f39:8348
15.57.131.73 0:0:0:0:0:ffff:f39:8349
15.57.131.74 0:0:0:0:0:ffff:f39:834a
15.57.131.75 0:0:0:0:0:ffff:f39:834b
15.57.131.76 0:0:0:0:0:ffff:f39:834c
15.57.131.77 0:0:0:0:0:ffff:f39:834d
15.57.131.78 0:0:0:0:0:ffff:f39:834e
15.57.131.79 0:0:0:0:0:ffff:f39:834f
15.57.131.80 0:0:0:0:0:ffff:f39:8350
15.57.131.81 0:0:0:0:0:ffff:f39:8351
15.57.131.82 0:0:0:0:0:ffff:f39:8352
15.57.131.83 0:0:0:0:0:ffff:f39:8353
15.57.131.84 0:0:0:0:0:ffff:f39:8354
15.57.131.85 0:0:0:0:0:ffff:f39:8355
15.57.131.86 0:0:0:0:0:ffff:f39:8356
15.57.131.87 0:0:0:0:0:ffff:f39:8357
15.57.131.88 0:0:0:0:0:ffff:f39:8358
15.57.131.89 0:0:0:0:0:ffff:f39:8359
15.57.131.90 0:0:0:0:0:ffff:f39:835a
15.57.131.91 0:0:0:0:0:ffff:f39:835b
15.57.131.92 0:0:0:0:0:ffff:f39:835c
15.57.131.93 0:0:0:0:0:ffff:f39:835d
15.57.131.94 0:0:0:0:0:ffff:f39:835e
15.57.131.95 0:0:0:0:0:ffff:f39:835f
15.57.131.96 0:0:0:0:0:ffff:f39:8360
15.57.131.97 0:0:0:0:0:ffff:f39:8361
15.57.131.98 0:0:0:0:0:ffff:f39:8362
15.57.131.99 0:0:0:0:0:ffff:f39:8363
15.57.131.100 0:0:0:0:0:ffff:f39:8364
15.57.131.101 0:0:0:0:0:ffff:f39:8365
15.57.131.102 0:0:0:0:0:ffff:f39:8366
15.57.131.103 0:0:0:0:0:ffff:f39:8367
15.57.131.104 0:0:0:0:0:ffff:f39:8368
15.57.131.105 0:0:0:0:0:ffff:f39:8369
15.57.131.106 0:0:0:0:0:ffff:f39:836a
15.57.131.107 0:0:0:0:0:ffff:f39:836b
15.57.131.108 0:0:0:0:0:ffff:f39:836c
15.57.131.109 0:0:0:0:0:ffff:f39:836d
15.57.131.110 0:0:0:0:0:ffff:f39:836e
15.57.131.111 0:0:0:0:0:ffff:f39:836f
15.57.131.112 0:0:0:0:0:ffff:f39:8370
15.57.131.113 0:0:0:0:0:ffff:f39:8371
15.57.131.114 0:0:0:0:0:ffff:f39:8372
15.57.131.115 0:0:0:0:0:ffff:f39:8373
15.57.131.116 0:0:0:0:0:ffff:f39:8374
15.57.131.117 0:0:0:0:0:ffff:f39:8375
15.57.131.118 0:0:0:0:0:ffff:f39:8376
15.57.131.119 0:0:0:0:0:ffff:f39:8377
15.57.131.120 0:0:0:0:0:ffff:f39:8378


15.57.131.121 0:0:0:0:0:ffff:f39:8379
15.57.131.122 0:0:0:0:0:ffff:f39:837a
15.57.131.123 0:0:0:0:0:ffff:f39:837b
15.57.131.124 0:0:0:0:0:ffff:f39:837c
15.57.131.125 0:0:0:0:0:ffff:f39:837d
15.57.131.126 0:0:0:0:0:ffff:f39:837e
15.57.131.127 0:0:0:0:0:ffff:f39:837f
15.57.131.128 0:0:0:0:0:ffff:f39:8380
15.57.131.129 0:0:0:0:0:ffff:f39:8381
15.57.131.130 0:0:0:0:0:ffff:f39:8382
15.57.131.131 0:0:0:0:0:ffff:f39:8383
15.57.131.132 0:0:0:0:0:ffff:f39:8384
15.57.131.133 0:0:0:0:0:ffff:f39:8385
15.57.131.134 0:0:0:0:0:ffff:f39:8386
15.57.131.135 0:0:0:0:0:ffff:f39:8387
15.57.131.136 0:0:0:0:0:ffff:f39:8388
15.57.131.137 0:0:0:0:0:ffff:f39:8389
15.57.131.138 0:0:0:0:0:ffff:f39:838a
15.57.131.139 0:0:0:0:0:ffff:f39:838b
15.57.131.140 0:0:0:0:0:ffff:f39:838c
15.57.131.141 0:0:0:0:0:ffff:f39:838d
15.57.131.142 0:0:0:0:0:ffff:f39:838e
15.57.131.143 0:0:0:0:0:ffff:f39:838f
15.57.131.144 0:0:0:0:0:ffff:f39:8390
15.57.131.145 0:0:0:0:0:ffff:f39:8391
15.57.131.146 0:0:0:0:0:ffff:f39:8392
15.57.131.147 0:0:0:0:0:ffff:f39:8393
15.57.131.148 0:0:0:0:0:ffff:f39:8394
15.57.131.149 0:0:0:0:0:ffff:f39:8395
15.57.131.150 0:0:0:0:0:ffff:f39:8396
15.57.131.151 0:0:0:0:0:ffff:f39:8397
15.57.131.152 0:0:0:0:0:ffff:f39:8398
15.57.131.153 0:0:0:0:0:ffff:f39:8399
15.57.131.154 0:0:0:0:0:ffff:f39:839a
15.57.131.155 0:0:0:0:0:ffff:f39:839b
15.57.131.156 0:0:0:0:0:ffff:f39:839c
15.57.131.157 0:0:0:0:0:ffff:f39:839d
15.57.131.158 0:0:0:0:0:ffff:f39:839e
15.57.131.159 0:0:0:0:0:ffff:f39:839f
15.57.131.160 0:0:0:0:0:ffff:f39:83a0
15.57.131.161 0:0:0:0:0:ffff:f39:83a1
15.57.131.162 0:0:0:0:0:ffff:f39:83a2
15.57.131.163 0:0:0:0:0:ffff:f39:83a3
15.57.131.164 0:0:0:0:0:ffff:f39:83a4
15.57.131.165 0:0:0:0:0:ffff:f39:83a5
15.57.131.166 0:0:0:0:0:ffff:f39:83a6
15.57.131.167 0:0:0:0:0:ffff:f39:83a7
15.57.131.168 0:0:0:0:0:ffff:f39:83a8
15.57.131.169 0:0:0:0:0:ffff:f39:83a9
15.57.131.170 0:0:0:0:0:ffff:f39:83aa
15.57.131.171 0:0:0:0:0:ffff:f39:83ab
15.57.131.172 0:0:0:0:0:ffff:f39:83ac
15.57.131.173 0:0:0:0:0:ffff:f39:83ad
15.57.131.174 0:0:0:0:0:ffff:f39:83ae
15.57.131.175 0:0:0:0:0:ffff:f39:83af
15.57.131.176 0:0:0:0:0:ffff:f39:83b0
15.57.131.177 0:0:0:0:0:ffff:f39:83b1
15.57.131.178 0:0:0:0:0:ffff:f39:83b2
15.57.131.179 0:0:0:0:0:ffff:f39:83b3
15.57.131.180 0:0:0:0:0:ffff:f39:83b4


15.57.131.181 0:0:0:0:0:ffff:f39:83b5
15.57.131.182 0:0:0:0:0:ffff:f39:83b6
15.57.131.183 0:0:0:0:0:ffff:f39:83b7
15.57.131.184 0:0:0:0:0:ffff:f39:83b8
15.57.131.185 0:0:0:0:0:ffff:f39:83b9
15.57.131.186 0:0:0:0:0:ffff:f39:83ba
15.57.131.187 0:0:0:0:0:ffff:f39:83bb
15.57.131.188 0:0:0:0:0:ffff:f39:83bc
15.57.131.189 0:0:0:0:0:ffff:f39:83bd
15.57.131.190 0:0:0:0:0:ffff:f39:83be
15.57.131.191 0:0:0:0:0:ffff:f39:83bf
15.57.131.192 0:0:0:0:0:ffff:f39:83c0
15.57.131.193 0:0:0:0:0:ffff:f39:83c1
15.57.131.194 0:0:0:0:0:ffff:f39:83c2
15.57.131.195 0:0:0:0:0:ffff:f39:83c3
15.57.131.196 0:0:0:0:0:ffff:f39:83c4
15.57.131.197 0:0:0:0:0:ffff:f39:83c5
15.57.131.198 0:0:0:0:0:ffff:f39:83c6
15.57.131.199 0:0:0:0:0:ffff:f39:83c7
15.57.131.200 0:0:0:0:0:ffff:f39:83c8
15.57.131.201 0:0:0:0:0:ffff:f39:83c9
15.57.131.202 0:0:0:0:0:ffff:f39:83ca
15.57.131.203 0:0:0:0:0:ffff:f39:83cb
15.57.131.204 0:0:0:0:0:ffff:f39:83cc
15.57.131.205 0:0:0:0:0:ffff:f39:83cd
15.57.131.206 0:0:0:0:0:ffff:f39:83ce
15.57.131.207 0:0:0:0:0:ffff:f39:83cf
15.57.131.208 0:0:0:0:0:ffff:f39:83d0
15.57.131.209 0:0:0:0:0:ffff:f39:83d1
15.57.131.210 0:0:0:0:0:ffff:f39:83d2
15.57.131.211 0:0:0:0:0:ffff:f39:83d3
15.57.131.212 0:0:0:0:0:ffff:f39:83d4
15.57.131.213 0:0:0:0:0:ffff:f39:83d5
15.57.131.214 0:0:0:0:0:ffff:f39:83d6
15.57.131.215 0:0:0:0:0:ffff:f39:83d7
15.57.131.216 0:0:0:0:0:ffff:f39:83d8
15.57.131.217 0:0:0:0:0:ffff:f39:83d9
15.57.131.218 0:0:0:0:0:ffff:f39:83da
15.57.131.219 0:0:0:0:0:ffff:f39:83db
15.57.131.220 0:0:0:0:0:ffff:f39:83dc
15.57.131.221 0:0:0:0:0:ffff:f39:83dd
15.57.131.222 0:0:0:0:0:ffff:f39:83de
15.57.131.223 0:0:0:0:0:ffff:f39:83df
15.57.131.224 0:0:0:0:0:ffff:f39:83e0
15.57.131.225 0:0:0:0:0:ffff:f39:83e1
15.57.131.226 0:0:0:0:0:ffff:f39:83e2
15.57.131.227 0:0:0:0:0:ffff:f39:83e3
15.57.131.228 0:0:0:0:0:ffff:f39:83e4
15.57.131.229 0:0:0:0:0:ffff:f39:83e5
15.57.131.230 0:0:0:0:0:ffff:f39:83e6
15.57.131.231 0:0:0:0:0:ffff:f39:83e7
15.57.131.232 0:0:0:0:0:ffff:f39:83e8
15.57.131.233 0:0:0:0:0:ffff:f39:83e9
15.57.131.234 0:0:0:0:0:ffff:f39:83ea
15.57.131.235 0:0:0:0:0:ffff:f39:83eb
15.57.131.236 0:0:0:0:0:ffff:f39:83ec
15.57.131.237 0:0:0:0:0:ffff:f39:83ed
15.57.131.238 0:0:0:0:0:ffff:f39:83ee
15.57.131.239 0:0:0:0:0:ffff:f39:83ef
15.57.131.240 0:0:0:0:0:ffff:f39:83f0
15.57.131.241 0:0:0:0:0:ffff:f39:83f1
15.57.131.242 0:0:0:0:0:ffff:f39:83f2
15.57.131.243 0:0:0:0:0:ffff:f39:83f3
15.57.131.244 0:0:0:0:0:ffff:f39:83f4
15.57.131.245 0:0:0:0:0:ffff:f39:83f5
15.57.131.246 0:0:0:0:0:ffff:f39:83f6
15.57.131.247 0:0:0:0:0:ffff:f39:83f7
15.57.131.248 0:0:0:0:0:ffff:f39:83f8
15.57.131.249 0:0:0:0:0:ffff:f39:83f9
15.57.131.250 0:0:0:0:0:ffff:f39:83fa
15.57.131.251 0:0:0:0:0:ffff:f39:83fb
15.57.131.252 0:0:0:0:0:ffff:f39:83fc
15.57.131.253 0:0:0:0:0:ffff:f39:83fd
15.57.131.254 0:0:0:0:0:ffff:f39:83fe
15.57.131.255 0:0:0:0:0:ffff:f39:83ff


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.