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
71.2.51.1 0:0:0:0:0:ffff:4702:3301
71.2.51.2 0:0:0:0:0:ffff:4702:3302
71.2.51.3 0:0:0:0:0:ffff:4702:3303
71.2.51.4 0:0:0:0:0:ffff:4702:3304
71.2.51.5 0:0:0:0:0:ffff:4702:3305
71.2.51.6 0:0:0:0:0:ffff:4702:3306
71.2.51.7 0:0:0:0:0:ffff:4702:3307
71.2.51.8 0:0:0:0:0:ffff:4702:3308
71.2.51.9 0:0:0:0:0:ffff:4702:3309
71.2.51.10 0:0:0:0:0:ffff:4702:330a
71.2.51.11 0:0:0:0:0:ffff:4702:330b
71.2.51.12 0:0:0:0:0:ffff:4702:330c
71.2.51.13 0:0:0:0:0:ffff:4702:330d
71.2.51.14 0:0:0:0:0:ffff:4702:330e
71.2.51.15 0:0:0:0:0:ffff:4702:330f
71.2.51.16 0:0:0:0:0:ffff:4702:3310
71.2.51.17 0:0:0:0:0:ffff:4702:3311
71.2.51.18 0:0:0:0:0:ffff:4702:3312
71.2.51.19 0:0:0:0:0:ffff:4702:3313
71.2.51.20 0:0:0:0:0:ffff:4702:3314
71.2.51.21 0:0:0:0:0:ffff:4702:3315
71.2.51.22 0:0:0:0:0:ffff:4702:3316
71.2.51.23 0:0:0:0:0:ffff:4702:3317
71.2.51.24 0:0:0:0:0:ffff:4702:3318
71.2.51.25 0:0:0:0:0:ffff:4702:3319
71.2.51.26 0:0:0:0:0:ffff:4702:331a
71.2.51.27 0:0:0:0:0:ffff:4702:331b
71.2.51.28 0:0:0:0:0:ffff:4702:331c
71.2.51.29 0:0:0:0:0:ffff:4702:331d
71.2.51.30 0:0:0:0:0:ffff:4702:331e
71.2.51.31 0:0:0:0:0:ffff:4702:331f
71.2.51.32 0:0:0:0:0:ffff:4702:3320
71.2.51.33 0:0:0:0:0:ffff:4702:3321
71.2.51.34 0:0:0:0:0:ffff:4702:3322
71.2.51.35 0:0:0:0:0:ffff:4702:3323
71.2.51.36 0:0:0:0:0:ffff:4702:3324
71.2.51.37 0:0:0:0:0:ffff:4702:3325
71.2.51.38 0:0:0:0:0:ffff:4702:3326
71.2.51.39 0:0:0:0:0:ffff:4702:3327
71.2.51.40 0:0:0:0:0:ffff:4702:3328
71.2.51.41 0:0:0:0:0:ffff:4702:3329
71.2.51.42 0:0:0:0:0:ffff:4702:332a
71.2.51.43 0:0:0:0:0:ffff:4702:332b
71.2.51.44 0:0:0:0:0:ffff:4702:332c
71.2.51.45 0:0:0:0:0:ffff:4702:332d
71.2.51.46 0:0:0:0:0:ffff:4702:332e
71.2.51.47 0:0:0:0:0:ffff:4702:332f
71.2.51.48 0:0:0:0:0:ffff:4702:3330
71.2.51.49 0:0:0:0:0:ffff:4702:3331
71.2.51.50 0:0:0:0:0:ffff:4702:3332
71.2.51.51 0:0:0:0:0:ffff:4702:3333
71.2.51.52 0:0:0:0:0:ffff:4702:3334
71.2.51.53 0:0:0:0:0:ffff:4702:3335
71.2.51.54 0:0:0:0:0:ffff:4702:3336
71.2.51.55 0:0:0:0:0:ffff:4702:3337
71.2.51.56 0:0:0:0:0:ffff:4702:3338
71.2.51.57 0:0:0:0:0:ffff:4702:3339
71.2.51.58 0:0:0:0:0:ffff:4702:333a
71.2.51.59 0:0:0:0:0:ffff:4702:333b
71.2.51.60 0:0:0:0:0:ffff:4702:333c


71.2.51.61 0:0:0:0:0:ffff:4702:333d
71.2.51.62 0:0:0:0:0:ffff:4702:333e
71.2.51.63 0:0:0:0:0:ffff:4702:333f
71.2.51.64 0:0:0:0:0:ffff:4702:3340
71.2.51.65 0:0:0:0:0:ffff:4702:3341
71.2.51.66 0:0:0:0:0:ffff:4702:3342
71.2.51.67 0:0:0:0:0:ffff:4702:3343
71.2.51.68 0:0:0:0:0:ffff:4702:3344
71.2.51.69 0:0:0:0:0:ffff:4702:3345
71.2.51.70 0:0:0:0:0:ffff:4702:3346
71.2.51.71 0:0:0:0:0:ffff:4702:3347
71.2.51.72 0:0:0:0:0:ffff:4702:3348
71.2.51.73 0:0:0:0:0:ffff:4702:3349
71.2.51.74 0:0:0:0:0:ffff:4702:334a
71.2.51.75 0:0:0:0:0:ffff:4702:334b
71.2.51.76 0:0:0:0:0:ffff:4702:334c
71.2.51.77 0:0:0:0:0:ffff:4702:334d
71.2.51.78 0:0:0:0:0:ffff:4702:334e
71.2.51.79 0:0:0:0:0:ffff:4702:334f
71.2.51.80 0:0:0:0:0:ffff:4702:3350
71.2.51.81 0:0:0:0:0:ffff:4702:3351
71.2.51.82 0:0:0:0:0:ffff:4702:3352
71.2.51.83 0:0:0:0:0:ffff:4702:3353
71.2.51.84 0:0:0:0:0:ffff:4702:3354
71.2.51.85 0:0:0:0:0:ffff:4702:3355
71.2.51.86 0:0:0:0:0:ffff:4702:3356
71.2.51.87 0:0:0:0:0:ffff:4702:3357
71.2.51.88 0:0:0:0:0:ffff:4702:3358
71.2.51.89 0:0:0:0:0:ffff:4702:3359
71.2.51.90 0:0:0:0:0:ffff:4702:335a
71.2.51.91 0:0:0:0:0:ffff:4702:335b
71.2.51.92 0:0:0:0:0:ffff:4702:335c
71.2.51.93 0:0:0:0:0:ffff:4702:335d
71.2.51.94 0:0:0:0:0:ffff:4702:335e
71.2.51.95 0:0:0:0:0:ffff:4702:335f
71.2.51.96 0:0:0:0:0:ffff:4702:3360
71.2.51.97 0:0:0:0:0:ffff:4702:3361
71.2.51.98 0:0:0:0:0:ffff:4702:3362
71.2.51.99 0:0:0:0:0:ffff:4702:3363
71.2.51.100 0:0:0:0:0:ffff:4702:3364
71.2.51.101 0:0:0:0:0:ffff:4702:3365
71.2.51.102 0:0:0:0:0:ffff:4702:3366
71.2.51.103 0:0:0:0:0:ffff:4702:3367
71.2.51.104 0:0:0:0:0:ffff:4702:3368
71.2.51.105 0:0:0:0:0:ffff:4702:3369
71.2.51.106 0:0:0:0:0:ffff:4702:336a
71.2.51.107 0:0:0:0:0:ffff:4702:336b
71.2.51.108 0:0:0:0:0:ffff:4702:336c
71.2.51.109 0:0:0:0:0:ffff:4702:336d
71.2.51.110 0:0:0:0:0:ffff:4702:336e
71.2.51.111 0:0:0:0:0:ffff:4702:336f
71.2.51.112 0:0:0:0:0:ffff:4702:3370
71.2.51.113 0:0:0:0:0:ffff:4702:3371
71.2.51.114 0:0:0:0:0:ffff:4702:3372
71.2.51.115 0:0:0:0:0:ffff:4702:3373
71.2.51.116 0:0:0:0:0:ffff:4702:3374
71.2.51.117 0:0:0:0:0:ffff:4702:3375
71.2.51.118 0:0:0:0:0:ffff:4702:3376
71.2.51.119 0:0:0:0:0:ffff:4702:3377
71.2.51.120 0:0:0:0:0:ffff:4702:3378


71.2.51.121 0:0:0:0:0:ffff:4702:3379
71.2.51.122 0:0:0:0:0:ffff:4702:337a
71.2.51.123 0:0:0:0:0:ffff:4702:337b
71.2.51.124 0:0:0:0:0:ffff:4702:337c
71.2.51.125 0:0:0:0:0:ffff:4702:337d
71.2.51.126 0:0:0:0:0:ffff:4702:337e
71.2.51.127 0:0:0:0:0:ffff:4702:337f
71.2.51.128 0:0:0:0:0:ffff:4702:3380
71.2.51.129 0:0:0:0:0:ffff:4702:3381
71.2.51.130 0:0:0:0:0:ffff:4702:3382
71.2.51.131 0:0:0:0:0:ffff:4702:3383
71.2.51.132 0:0:0:0:0:ffff:4702:3384
71.2.51.133 0:0:0:0:0:ffff:4702:3385
71.2.51.134 0:0:0:0:0:ffff:4702:3386
71.2.51.135 0:0:0:0:0:ffff:4702:3387
71.2.51.136 0:0:0:0:0:ffff:4702:3388
71.2.51.137 0:0:0:0:0:ffff:4702:3389
71.2.51.138 0:0:0:0:0:ffff:4702:338a
71.2.51.139 0:0:0:0:0:ffff:4702:338b
71.2.51.140 0:0:0:0:0:ffff:4702:338c
71.2.51.141 0:0:0:0:0:ffff:4702:338d
71.2.51.142 0:0:0:0:0:ffff:4702:338e
71.2.51.143 0:0:0:0:0:ffff:4702:338f
71.2.51.144 0:0:0:0:0:ffff:4702:3390
71.2.51.145 0:0:0:0:0:ffff:4702:3391
71.2.51.146 0:0:0:0:0:ffff:4702:3392
71.2.51.147 0:0:0:0:0:ffff:4702:3393
71.2.51.148 0:0:0:0:0:ffff:4702:3394
71.2.51.149 0:0:0:0:0:ffff:4702:3395
71.2.51.150 0:0:0:0:0:ffff:4702:3396
71.2.51.151 0:0:0:0:0:ffff:4702:3397
71.2.51.152 0:0:0:0:0:ffff:4702:3398
71.2.51.153 0:0:0:0:0:ffff:4702:3399
71.2.51.154 0:0:0:0:0:ffff:4702:339a
71.2.51.155 0:0:0:0:0:ffff:4702:339b
71.2.51.156 0:0:0:0:0:ffff:4702:339c
71.2.51.157 0:0:0:0:0:ffff:4702:339d
71.2.51.158 0:0:0:0:0:ffff:4702:339e
71.2.51.159 0:0:0:0:0:ffff:4702:339f
71.2.51.160 0:0:0:0:0:ffff:4702:33a0
71.2.51.161 0:0:0:0:0:ffff:4702:33a1
71.2.51.162 0:0:0:0:0:ffff:4702:33a2
71.2.51.163 0:0:0:0:0:ffff:4702:33a3
71.2.51.164 0:0:0:0:0:ffff:4702:33a4
71.2.51.165 0:0:0:0:0:ffff:4702:33a5
71.2.51.166 0:0:0:0:0:ffff:4702:33a6
71.2.51.167 0:0:0:0:0:ffff:4702:33a7
71.2.51.168 0:0:0:0:0:ffff:4702:33a8
71.2.51.169 0:0:0:0:0:ffff:4702:33a9
71.2.51.170 0:0:0:0:0:ffff:4702:33aa
71.2.51.171 0:0:0:0:0:ffff:4702:33ab
71.2.51.172 0:0:0:0:0:ffff:4702:33ac
71.2.51.173 0:0:0:0:0:ffff:4702:33ad
71.2.51.174 0:0:0:0:0:ffff:4702:33ae
71.2.51.175 0:0:0:0:0:ffff:4702:33af
71.2.51.176 0:0:0:0:0:ffff:4702:33b0
71.2.51.177 0:0:0:0:0:ffff:4702:33b1
71.2.51.178 0:0:0:0:0:ffff:4702:33b2
71.2.51.179 0:0:0:0:0:ffff:4702:33b3
71.2.51.180 0:0:0:0:0:ffff:4702:33b4


71.2.51.181 0:0:0:0:0:ffff:4702:33b5
71.2.51.182 0:0:0:0:0:ffff:4702:33b6
71.2.51.183 0:0:0:0:0:ffff:4702:33b7
71.2.51.184 0:0:0:0:0:ffff:4702:33b8
71.2.51.185 0:0:0:0:0:ffff:4702:33b9
71.2.51.186 0:0:0:0:0:ffff:4702:33ba
71.2.51.187 0:0:0:0:0:ffff:4702:33bb
71.2.51.188 0:0:0:0:0:ffff:4702:33bc
71.2.51.189 0:0:0:0:0:ffff:4702:33bd
71.2.51.190 0:0:0:0:0:ffff:4702:33be
71.2.51.191 0:0:0:0:0:ffff:4702:33bf
71.2.51.192 0:0:0:0:0:ffff:4702:33c0
71.2.51.193 0:0:0:0:0:ffff:4702:33c1
71.2.51.194 0:0:0:0:0:ffff:4702:33c2
71.2.51.195 0:0:0:0:0:ffff:4702:33c3
71.2.51.196 0:0:0:0:0:ffff:4702:33c4
71.2.51.197 0:0:0:0:0:ffff:4702:33c5
71.2.51.198 0:0:0:0:0:ffff:4702:33c6
71.2.51.199 0:0:0:0:0:ffff:4702:33c7
71.2.51.200 0:0:0:0:0:ffff:4702:33c8
71.2.51.201 0:0:0:0:0:ffff:4702:33c9
71.2.51.202 0:0:0:0:0:ffff:4702:33ca
71.2.51.203 0:0:0:0:0:ffff:4702:33cb
71.2.51.204 0:0:0:0:0:ffff:4702:33cc
71.2.51.205 0:0:0:0:0:ffff:4702:33cd
71.2.51.206 0:0:0:0:0:ffff:4702:33ce
71.2.51.207 0:0:0:0:0:ffff:4702:33cf
71.2.51.208 0:0:0:0:0:ffff:4702:33d0
71.2.51.209 0:0:0:0:0:ffff:4702:33d1
71.2.51.210 0:0:0:0:0:ffff:4702:33d2
71.2.51.211 0:0:0:0:0:ffff:4702:33d3
71.2.51.212 0:0:0:0:0:ffff:4702:33d4
71.2.51.213 0:0:0:0:0:ffff:4702:33d5
71.2.51.214 0:0:0:0:0:ffff:4702:33d6
71.2.51.215 0:0:0:0:0:ffff:4702:33d7
71.2.51.216 0:0:0:0:0:ffff:4702:33d8
71.2.51.217 0:0:0:0:0:ffff:4702:33d9
71.2.51.218 0:0:0:0:0:ffff:4702:33da
71.2.51.219 0:0:0:0:0:ffff:4702:33db
71.2.51.220 0:0:0:0:0:ffff:4702:33dc
71.2.51.221 0:0:0:0:0:ffff:4702:33dd
71.2.51.222 0:0:0:0:0:ffff:4702:33de
71.2.51.223 0:0:0:0:0:ffff:4702:33df
71.2.51.224 0:0:0:0:0:ffff:4702:33e0
71.2.51.225 0:0:0:0:0:ffff:4702:33e1
71.2.51.226 0:0:0:0:0:ffff:4702:33e2
71.2.51.227 0:0:0:0:0:ffff:4702:33e3
71.2.51.228 0:0:0:0:0:ffff:4702:33e4
71.2.51.229 0:0:0:0:0:ffff:4702:33e5
71.2.51.230 0:0:0:0:0:ffff:4702:33e6
71.2.51.231 0:0:0:0:0:ffff:4702:33e7
71.2.51.232 0:0:0:0:0:ffff:4702:33e8
71.2.51.233 0:0:0:0:0:ffff:4702:33e9
71.2.51.234 0:0:0:0:0:ffff:4702:33ea
71.2.51.235 0:0:0:0:0:ffff:4702:33eb
71.2.51.236 0:0:0:0:0:ffff:4702:33ec
71.2.51.237 0:0:0:0:0:ffff:4702:33ed
71.2.51.238 0:0:0:0:0:ffff:4702:33ee
71.2.51.239 0:0:0:0:0:ffff:4702:33ef
71.2.51.240 0:0:0:0:0:ffff:4702:33f0
71.2.51.241 0:0:0:0:0:ffff:4702:33f1
71.2.51.242 0:0:0:0:0:ffff:4702:33f2
71.2.51.243 0:0:0:0:0:ffff:4702:33f3
71.2.51.244 0:0:0:0:0:ffff:4702:33f4
71.2.51.245 0:0:0:0:0:ffff:4702:33f5
71.2.51.246 0:0:0:0:0:ffff:4702:33f6
71.2.51.247 0:0:0:0:0:ffff:4702:33f7
71.2.51.248 0:0:0:0:0:ffff:4702:33f8
71.2.51.249 0:0:0:0:0:ffff:4702:33f9
71.2.51.250 0:0:0:0:0:ffff:4702:33fa
71.2.51.251 0:0:0:0:0:ffff:4702:33fb
71.2.51.252 0:0:0:0:0:ffff:4702:33fc
71.2.51.253 0:0:0:0:0:ffff:4702:33fd
71.2.51.254 0:0:0:0:0:ffff:4702:33fe
71.2.51.255 0:0:0:0:0:ffff:4702:33ff


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.