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
71.137.131.1 0:0:0:0:0:ffff:4789:8301
71.137.131.2 0:0:0:0:0:ffff:4789:8302
71.137.131.3 0:0:0:0:0:ffff:4789:8303
71.137.131.4 0:0:0:0:0:ffff:4789:8304
71.137.131.5 0:0:0:0:0:ffff:4789:8305
71.137.131.6 0:0:0:0:0:ffff:4789:8306
71.137.131.7 0:0:0:0:0:ffff:4789:8307
71.137.131.8 0:0:0:0:0:ffff:4789:8308
71.137.131.9 0:0:0:0:0:ffff:4789:8309
71.137.131.10 0:0:0:0:0:ffff:4789:830a
71.137.131.11 0:0:0:0:0:ffff:4789:830b
71.137.131.12 0:0:0:0:0:ffff:4789:830c
71.137.131.13 0:0:0:0:0:ffff:4789:830d
71.137.131.14 0:0:0:0:0:ffff:4789:830e
71.137.131.15 0:0:0:0:0:ffff:4789:830f
71.137.131.16 0:0:0:0:0:ffff:4789:8310
71.137.131.17 0:0:0:0:0:ffff:4789:8311
71.137.131.18 0:0:0:0:0:ffff:4789:8312
71.137.131.19 0:0:0:0:0:ffff:4789:8313
71.137.131.20 0:0:0:0:0:ffff:4789:8314
71.137.131.21 0:0:0:0:0:ffff:4789:8315
71.137.131.22 0:0:0:0:0:ffff:4789:8316
71.137.131.23 0:0:0:0:0:ffff:4789:8317
71.137.131.24 0:0:0:0:0:ffff:4789:8318
71.137.131.25 0:0:0:0:0:ffff:4789:8319
71.137.131.26 0:0:0:0:0:ffff:4789:831a
71.137.131.27 0:0:0:0:0:ffff:4789:831b
71.137.131.28 0:0:0:0:0:ffff:4789:831c
71.137.131.29 0:0:0:0:0:ffff:4789:831d
71.137.131.30 0:0:0:0:0:ffff:4789:831e
71.137.131.31 0:0:0:0:0:ffff:4789:831f
71.137.131.32 0:0:0:0:0:ffff:4789:8320
71.137.131.33 0:0:0:0:0:ffff:4789:8321
71.137.131.34 0:0:0:0:0:ffff:4789:8322
71.137.131.35 0:0:0:0:0:ffff:4789:8323
71.137.131.36 0:0:0:0:0:ffff:4789:8324
71.137.131.37 0:0:0:0:0:ffff:4789:8325
71.137.131.38 0:0:0:0:0:ffff:4789:8326
71.137.131.39 0:0:0:0:0:ffff:4789:8327
71.137.131.40 0:0:0:0:0:ffff:4789:8328
71.137.131.41 0:0:0:0:0:ffff:4789:8329
71.137.131.42 0:0:0:0:0:ffff:4789:832a
71.137.131.43 0:0:0:0:0:ffff:4789:832b
71.137.131.44 0:0:0:0:0:ffff:4789:832c
71.137.131.45 0:0:0:0:0:ffff:4789:832d
71.137.131.46 0:0:0:0:0:ffff:4789:832e
71.137.131.47 0:0:0:0:0:ffff:4789:832f
71.137.131.48 0:0:0:0:0:ffff:4789:8330
71.137.131.49 0:0:0:0:0:ffff:4789:8331
71.137.131.50 0:0:0:0:0:ffff:4789:8332
71.137.131.51 0:0:0:0:0:ffff:4789:8333
71.137.131.52 0:0:0:0:0:ffff:4789:8334
71.137.131.53 0:0:0:0:0:ffff:4789:8335
71.137.131.54 0:0:0:0:0:ffff:4789:8336
71.137.131.55 0:0:0:0:0:ffff:4789:8337
71.137.131.56 0:0:0:0:0:ffff:4789:8338
71.137.131.57 0:0:0:0:0:ffff:4789:8339
71.137.131.58 0:0:0:0:0:ffff:4789:833a
71.137.131.59 0:0:0:0:0:ffff:4789:833b
71.137.131.60 0:0:0:0:0:ffff:4789:833c


71.137.131.61 0:0:0:0:0:ffff:4789:833d
71.137.131.62 0:0:0:0:0:ffff:4789:833e
71.137.131.63 0:0:0:0:0:ffff:4789:833f
71.137.131.64 0:0:0:0:0:ffff:4789:8340
71.137.131.65 0:0:0:0:0:ffff:4789:8341
71.137.131.66 0:0:0:0:0:ffff:4789:8342
71.137.131.67 0:0:0:0:0:ffff:4789:8343
71.137.131.68 0:0:0:0:0:ffff:4789:8344
71.137.131.69 0:0:0:0:0:ffff:4789:8345
71.137.131.70 0:0:0:0:0:ffff:4789:8346
71.137.131.71 0:0:0:0:0:ffff:4789:8347
71.137.131.72 0:0:0:0:0:ffff:4789:8348
71.137.131.73 0:0:0:0:0:ffff:4789:8349
71.137.131.74 0:0:0:0:0:ffff:4789:834a
71.137.131.75 0:0:0:0:0:ffff:4789:834b
71.137.131.76 0:0:0:0:0:ffff:4789:834c
71.137.131.77 0:0:0:0:0:ffff:4789:834d
71.137.131.78 0:0:0:0:0:ffff:4789:834e
71.137.131.79 0:0:0:0:0:ffff:4789:834f
71.137.131.80 0:0:0:0:0:ffff:4789:8350
71.137.131.81 0:0:0:0:0:ffff:4789:8351
71.137.131.82 0:0:0:0:0:ffff:4789:8352
71.137.131.83 0:0:0:0:0:ffff:4789:8353
71.137.131.84 0:0:0:0:0:ffff:4789:8354
71.137.131.85 0:0:0:0:0:ffff:4789:8355
71.137.131.86 0:0:0:0:0:ffff:4789:8356
71.137.131.87 0:0:0:0:0:ffff:4789:8357
71.137.131.88 0:0:0:0:0:ffff:4789:8358
71.137.131.89 0:0:0:0:0:ffff:4789:8359
71.137.131.90 0:0:0:0:0:ffff:4789:835a
71.137.131.91 0:0:0:0:0:ffff:4789:835b
71.137.131.92 0:0:0:0:0:ffff:4789:835c
71.137.131.93 0:0:0:0:0:ffff:4789:835d
71.137.131.94 0:0:0:0:0:ffff:4789:835e
71.137.131.95 0:0:0:0:0:ffff:4789:835f
71.137.131.96 0:0:0:0:0:ffff:4789:8360
71.137.131.97 0:0:0:0:0:ffff:4789:8361
71.137.131.98 0:0:0:0:0:ffff:4789:8362
71.137.131.99 0:0:0:0:0:ffff:4789:8363
71.137.131.100 0:0:0:0:0:ffff:4789:8364
71.137.131.101 0:0:0:0:0:ffff:4789:8365
71.137.131.102 0:0:0:0:0:ffff:4789:8366
71.137.131.103 0:0:0:0:0:ffff:4789:8367
71.137.131.104 0:0:0:0:0:ffff:4789:8368
71.137.131.105 0:0:0:0:0:ffff:4789:8369
71.137.131.106 0:0:0:0:0:ffff:4789:836a
71.137.131.107 0:0:0:0:0:ffff:4789:836b
71.137.131.108 0:0:0:0:0:ffff:4789:836c
71.137.131.109 0:0:0:0:0:ffff:4789:836d
71.137.131.110 0:0:0:0:0:ffff:4789:836e
71.137.131.111 0:0:0:0:0:ffff:4789:836f
71.137.131.112 0:0:0:0:0:ffff:4789:8370
71.137.131.113 0:0:0:0:0:ffff:4789:8371
71.137.131.114 0:0:0:0:0:ffff:4789:8372
71.137.131.115 0:0:0:0:0:ffff:4789:8373
71.137.131.116 0:0:0:0:0:ffff:4789:8374
71.137.131.117 0:0:0:0:0:ffff:4789:8375
71.137.131.118 0:0:0:0:0:ffff:4789:8376
71.137.131.119 0:0:0:0:0:ffff:4789:8377
71.137.131.120 0:0:0:0:0:ffff:4789:8378


71.137.131.121 0:0:0:0:0:ffff:4789:8379
71.137.131.122 0:0:0:0:0:ffff:4789:837a
71.137.131.123 0:0:0:0:0:ffff:4789:837b
71.137.131.124 0:0:0:0:0:ffff:4789:837c
71.137.131.125 0:0:0:0:0:ffff:4789:837d
71.137.131.126 0:0:0:0:0:ffff:4789:837e
71.137.131.127 0:0:0:0:0:ffff:4789:837f
71.137.131.128 0:0:0:0:0:ffff:4789:8380
71.137.131.129 0:0:0:0:0:ffff:4789:8381
71.137.131.130 0:0:0:0:0:ffff:4789:8382
71.137.131.131 0:0:0:0:0:ffff:4789:8383
71.137.131.132 0:0:0:0:0:ffff:4789:8384
71.137.131.133 0:0:0:0:0:ffff:4789:8385
71.137.131.134 0:0:0:0:0:ffff:4789:8386
71.137.131.135 0:0:0:0:0:ffff:4789:8387
71.137.131.136 0:0:0:0:0:ffff:4789:8388
71.137.131.137 0:0:0:0:0:ffff:4789:8389
71.137.131.138 0:0:0:0:0:ffff:4789:838a
71.137.131.139 0:0:0:0:0:ffff:4789:838b
71.137.131.140 0:0:0:0:0:ffff:4789:838c
71.137.131.141 0:0:0:0:0:ffff:4789:838d
71.137.131.142 0:0:0:0:0:ffff:4789:838e
71.137.131.143 0:0:0:0:0:ffff:4789:838f
71.137.131.144 0:0:0:0:0:ffff:4789:8390
71.137.131.145 0:0:0:0:0:ffff:4789:8391
71.137.131.146 0:0:0:0:0:ffff:4789:8392
71.137.131.147 0:0:0:0:0:ffff:4789:8393
71.137.131.148 0:0:0:0:0:ffff:4789:8394
71.137.131.149 0:0:0:0:0:ffff:4789:8395
71.137.131.150 0:0:0:0:0:ffff:4789:8396
71.137.131.151 0:0:0:0:0:ffff:4789:8397
71.137.131.152 0:0:0:0:0:ffff:4789:8398
71.137.131.153 0:0:0:0:0:ffff:4789:8399
71.137.131.154 0:0:0:0:0:ffff:4789:839a
71.137.131.155 0:0:0:0:0:ffff:4789:839b
71.137.131.156 0:0:0:0:0:ffff:4789:839c
71.137.131.157 0:0:0:0:0:ffff:4789:839d
71.137.131.158 0:0:0:0:0:ffff:4789:839e
71.137.131.159 0:0:0:0:0:ffff:4789:839f
71.137.131.160 0:0:0:0:0:ffff:4789:83a0
71.137.131.161 0:0:0:0:0:ffff:4789:83a1
71.137.131.162 0:0:0:0:0:ffff:4789:83a2
71.137.131.163 0:0:0:0:0:ffff:4789:83a3
71.137.131.164 0:0:0:0:0:ffff:4789:83a4
71.137.131.165 0:0:0:0:0:ffff:4789:83a5
71.137.131.166 0:0:0:0:0:ffff:4789:83a6
71.137.131.167 0:0:0:0:0:ffff:4789:83a7
71.137.131.168 0:0:0:0:0:ffff:4789:83a8
71.137.131.169 0:0:0:0:0:ffff:4789:83a9
71.137.131.170 0:0:0:0:0:ffff:4789:83aa
71.137.131.171 0:0:0:0:0:ffff:4789:83ab
71.137.131.172 0:0:0:0:0:ffff:4789:83ac
71.137.131.173 0:0:0:0:0:ffff:4789:83ad
71.137.131.174 0:0:0:0:0:ffff:4789:83ae
71.137.131.175 0:0:0:0:0:ffff:4789:83af
71.137.131.176 0:0:0:0:0:ffff:4789:83b0
71.137.131.177 0:0:0:0:0:ffff:4789:83b1
71.137.131.178 0:0:0:0:0:ffff:4789:83b2
71.137.131.179 0:0:0:0:0:ffff:4789:83b3
71.137.131.180 0:0:0:0:0:ffff:4789:83b4


71.137.131.181 0:0:0:0:0:ffff:4789:83b5
71.137.131.182 0:0:0:0:0:ffff:4789:83b6
71.137.131.183 0:0:0:0:0:ffff:4789:83b7
71.137.131.184 0:0:0:0:0:ffff:4789:83b8
71.137.131.185 0:0:0:0:0:ffff:4789:83b9
71.137.131.186 0:0:0:0:0:ffff:4789:83ba
71.137.131.187 0:0:0:0:0:ffff:4789:83bb
71.137.131.188 0:0:0:0:0:ffff:4789:83bc
71.137.131.189 0:0:0:0:0:ffff:4789:83bd
71.137.131.190 0:0:0:0:0:ffff:4789:83be
71.137.131.191 0:0:0:0:0:ffff:4789:83bf
71.137.131.192 0:0:0:0:0:ffff:4789:83c0
71.137.131.193 0:0:0:0:0:ffff:4789:83c1
71.137.131.194 0:0:0:0:0:ffff:4789:83c2
71.137.131.195 0:0:0:0:0:ffff:4789:83c3
71.137.131.196 0:0:0:0:0:ffff:4789:83c4
71.137.131.197 0:0:0:0:0:ffff:4789:83c5
71.137.131.198 0:0:0:0:0:ffff:4789:83c6
71.137.131.199 0:0:0:0:0:ffff:4789:83c7
71.137.131.200 0:0:0:0:0:ffff:4789:83c8
71.137.131.201 0:0:0:0:0:ffff:4789:83c9
71.137.131.202 0:0:0:0:0:ffff:4789:83ca
71.137.131.203 0:0:0:0:0:ffff:4789:83cb
71.137.131.204 0:0:0:0:0:ffff:4789:83cc
71.137.131.205 0:0:0:0:0:ffff:4789:83cd
71.137.131.206 0:0:0:0:0:ffff:4789:83ce
71.137.131.207 0:0:0:0:0:ffff:4789:83cf
71.137.131.208 0:0:0:0:0:ffff:4789:83d0
71.137.131.209 0:0:0:0:0:ffff:4789:83d1
71.137.131.210 0:0:0:0:0:ffff:4789:83d2
71.137.131.211 0:0:0:0:0:ffff:4789:83d3
71.137.131.212 0:0:0:0:0:ffff:4789:83d4
71.137.131.213 0:0:0:0:0:ffff:4789:83d5
71.137.131.214 0:0:0:0:0:ffff:4789:83d6
71.137.131.215 0:0:0:0:0:ffff:4789:83d7
71.137.131.216 0:0:0:0:0:ffff:4789:83d8
71.137.131.217 0:0:0:0:0:ffff:4789:83d9
71.137.131.218 0:0:0:0:0:ffff:4789:83da
71.137.131.219 0:0:0:0:0:ffff:4789:83db
71.137.131.220 0:0:0:0:0:ffff:4789:83dc
71.137.131.221 0:0:0:0:0:ffff:4789:83dd
71.137.131.222 0:0:0:0:0:ffff:4789:83de
71.137.131.223 0:0:0:0:0:ffff:4789:83df
71.137.131.224 0:0:0:0:0:ffff:4789:83e0
71.137.131.225 0:0:0:0:0:ffff:4789:83e1
71.137.131.226 0:0:0:0:0:ffff:4789:83e2
71.137.131.227 0:0:0:0:0:ffff:4789:83e3
71.137.131.228 0:0:0:0:0:ffff:4789:83e4
71.137.131.229 0:0:0:0:0:ffff:4789:83e5
71.137.131.230 0:0:0:0:0:ffff:4789:83e6
71.137.131.231 0:0:0:0:0:ffff:4789:83e7
71.137.131.232 0:0:0:0:0:ffff:4789:83e8
71.137.131.233 0:0:0:0:0:ffff:4789:83e9
71.137.131.234 0:0:0:0:0:ffff:4789:83ea
71.137.131.235 0:0:0:0:0:ffff:4789:83eb
71.137.131.236 0:0:0:0:0:ffff:4789:83ec
71.137.131.237 0:0:0:0:0:ffff:4789:83ed
71.137.131.238 0:0:0:0:0:ffff:4789:83ee
71.137.131.239 0:0:0:0:0:ffff:4789:83ef
71.137.131.240 0:0:0:0:0:ffff:4789:83f0
71.137.131.241 0:0:0:0:0:ffff:4789:83f1
71.137.131.242 0:0:0:0:0:ffff:4789:83f2
71.137.131.243 0:0:0:0:0:ffff:4789:83f3
71.137.131.244 0:0:0:0:0:ffff:4789:83f4
71.137.131.245 0:0:0:0:0:ffff:4789:83f5
71.137.131.246 0:0:0:0:0:ffff:4789:83f6
71.137.131.247 0:0:0:0:0:ffff:4789:83f7
71.137.131.248 0:0:0:0:0:ffff:4789:83f8
71.137.131.249 0:0:0:0:0:ffff:4789:83f9
71.137.131.250 0:0:0:0:0:ffff:4789:83fa
71.137.131.251 0:0:0:0:0:ffff:4789:83fb
71.137.131.252 0:0:0:0:0:ffff:4789:83fc
71.137.131.253 0:0:0:0:0:ffff:4789:83fd
71.137.131.254 0:0:0:0:0:ffff:4789:83fe
71.137.131.255 0:0:0:0:0:ffff:4789:83ff


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.