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
123.141.51.1 0:0:0:0:0:ffff:7b8d:3301
123.141.51.2 0:0:0:0:0:ffff:7b8d:3302
123.141.51.3 0:0:0:0:0:ffff:7b8d:3303
123.141.51.4 0:0:0:0:0:ffff:7b8d:3304
123.141.51.5 0:0:0:0:0:ffff:7b8d:3305
123.141.51.6 0:0:0:0:0:ffff:7b8d:3306
123.141.51.7 0:0:0:0:0:ffff:7b8d:3307
123.141.51.8 0:0:0:0:0:ffff:7b8d:3308
123.141.51.9 0:0:0:0:0:ffff:7b8d:3309
123.141.51.10 0:0:0:0:0:ffff:7b8d:330a
123.141.51.11 0:0:0:0:0:ffff:7b8d:330b
123.141.51.12 0:0:0:0:0:ffff:7b8d:330c
123.141.51.13 0:0:0:0:0:ffff:7b8d:330d
123.141.51.14 0:0:0:0:0:ffff:7b8d:330e
123.141.51.15 0:0:0:0:0:ffff:7b8d:330f
123.141.51.16 0:0:0:0:0:ffff:7b8d:3310
123.141.51.17 0:0:0:0:0:ffff:7b8d:3311
123.141.51.18 0:0:0:0:0:ffff:7b8d:3312
123.141.51.19 0:0:0:0:0:ffff:7b8d:3313
123.141.51.20 0:0:0:0:0:ffff:7b8d:3314
123.141.51.21 0:0:0:0:0:ffff:7b8d:3315
123.141.51.22 0:0:0:0:0:ffff:7b8d:3316
123.141.51.23 0:0:0:0:0:ffff:7b8d:3317
123.141.51.24 0:0:0:0:0:ffff:7b8d:3318
123.141.51.25 0:0:0:0:0:ffff:7b8d:3319
123.141.51.26 0:0:0:0:0:ffff:7b8d:331a
123.141.51.27 0:0:0:0:0:ffff:7b8d:331b
123.141.51.28 0:0:0:0:0:ffff:7b8d:331c
123.141.51.29 0:0:0:0:0:ffff:7b8d:331d
123.141.51.30 0:0:0:0:0:ffff:7b8d:331e
123.141.51.31 0:0:0:0:0:ffff:7b8d:331f
123.141.51.32 0:0:0:0:0:ffff:7b8d:3320
123.141.51.33 0:0:0:0:0:ffff:7b8d:3321
123.141.51.34 0:0:0:0:0:ffff:7b8d:3322
123.141.51.35 0:0:0:0:0:ffff:7b8d:3323
123.141.51.36 0:0:0:0:0:ffff:7b8d:3324
123.141.51.37 0:0:0:0:0:ffff:7b8d:3325
123.141.51.38 0:0:0:0:0:ffff:7b8d:3326
123.141.51.39 0:0:0:0:0:ffff:7b8d:3327
123.141.51.40 0:0:0:0:0:ffff:7b8d:3328
123.141.51.41 0:0:0:0:0:ffff:7b8d:3329
123.141.51.42 0:0:0:0:0:ffff:7b8d:332a
123.141.51.43 0:0:0:0:0:ffff:7b8d:332b
123.141.51.44 0:0:0:0:0:ffff:7b8d:332c
123.141.51.45 0:0:0:0:0:ffff:7b8d:332d
123.141.51.46 0:0:0:0:0:ffff:7b8d:332e
123.141.51.47 0:0:0:0:0:ffff:7b8d:332f
123.141.51.48 0:0:0:0:0:ffff:7b8d:3330
123.141.51.49 0:0:0:0:0:ffff:7b8d:3331
123.141.51.50 0:0:0:0:0:ffff:7b8d:3332
123.141.51.51 0:0:0:0:0:ffff:7b8d:3333
123.141.51.52 0:0:0:0:0:ffff:7b8d:3334
123.141.51.53 0:0:0:0:0:ffff:7b8d:3335
123.141.51.54 0:0:0:0:0:ffff:7b8d:3336
123.141.51.55 0:0:0:0:0:ffff:7b8d:3337
123.141.51.56 0:0:0:0:0:ffff:7b8d:3338
123.141.51.57 0:0:0:0:0:ffff:7b8d:3339
123.141.51.58 0:0:0:0:0:ffff:7b8d:333a
123.141.51.59 0:0:0:0:0:ffff:7b8d:333b
123.141.51.60 0:0:0:0:0:ffff:7b8d:333c


123.141.51.61 0:0:0:0:0:ffff:7b8d:333d
123.141.51.62 0:0:0:0:0:ffff:7b8d:333e
123.141.51.63 0:0:0:0:0:ffff:7b8d:333f
123.141.51.64 0:0:0:0:0:ffff:7b8d:3340
123.141.51.65 0:0:0:0:0:ffff:7b8d:3341
123.141.51.66 0:0:0:0:0:ffff:7b8d:3342
123.141.51.67 0:0:0:0:0:ffff:7b8d:3343
123.141.51.68 0:0:0:0:0:ffff:7b8d:3344
123.141.51.69 0:0:0:0:0:ffff:7b8d:3345
123.141.51.70 0:0:0:0:0:ffff:7b8d:3346
123.141.51.71 0:0:0:0:0:ffff:7b8d:3347
123.141.51.72 0:0:0:0:0:ffff:7b8d:3348
123.141.51.73 0:0:0:0:0:ffff:7b8d:3349
123.141.51.74 0:0:0:0:0:ffff:7b8d:334a
123.141.51.75 0:0:0:0:0:ffff:7b8d:334b
123.141.51.76 0:0:0:0:0:ffff:7b8d:334c
123.141.51.77 0:0:0:0:0:ffff:7b8d:334d
123.141.51.78 0:0:0:0:0:ffff:7b8d:334e
123.141.51.79 0:0:0:0:0:ffff:7b8d:334f
123.141.51.80 0:0:0:0:0:ffff:7b8d:3350
123.141.51.81 0:0:0:0:0:ffff:7b8d:3351
123.141.51.82 0:0:0:0:0:ffff:7b8d:3352
123.141.51.83 0:0:0:0:0:ffff:7b8d:3353
123.141.51.84 0:0:0:0:0:ffff:7b8d:3354
123.141.51.85 0:0:0:0:0:ffff:7b8d:3355
123.141.51.86 0:0:0:0:0:ffff:7b8d:3356
123.141.51.87 0:0:0:0:0:ffff:7b8d:3357
123.141.51.88 0:0:0:0:0:ffff:7b8d:3358
123.141.51.89 0:0:0:0:0:ffff:7b8d:3359
123.141.51.90 0:0:0:0:0:ffff:7b8d:335a
123.141.51.91 0:0:0:0:0:ffff:7b8d:335b
123.141.51.92 0:0:0:0:0:ffff:7b8d:335c
123.141.51.93 0:0:0:0:0:ffff:7b8d:335d
123.141.51.94 0:0:0:0:0:ffff:7b8d:335e
123.141.51.95 0:0:0:0:0:ffff:7b8d:335f
123.141.51.96 0:0:0:0:0:ffff:7b8d:3360
123.141.51.97 0:0:0:0:0:ffff:7b8d:3361
123.141.51.98 0:0:0:0:0:ffff:7b8d:3362
123.141.51.99 0:0:0:0:0:ffff:7b8d:3363
123.141.51.100 0:0:0:0:0:ffff:7b8d:3364
123.141.51.101 0:0:0:0:0:ffff:7b8d:3365
123.141.51.102 0:0:0:0:0:ffff:7b8d:3366
123.141.51.103 0:0:0:0:0:ffff:7b8d:3367
123.141.51.104 0:0:0:0:0:ffff:7b8d:3368
123.141.51.105 0:0:0:0:0:ffff:7b8d:3369
123.141.51.106 0:0:0:0:0:ffff:7b8d:336a
123.141.51.107 0:0:0:0:0:ffff:7b8d:336b
123.141.51.108 0:0:0:0:0:ffff:7b8d:336c
123.141.51.109 0:0:0:0:0:ffff:7b8d:336d
123.141.51.110 0:0:0:0:0:ffff:7b8d:336e
123.141.51.111 0:0:0:0:0:ffff:7b8d:336f
123.141.51.112 0:0:0:0:0:ffff:7b8d:3370
123.141.51.113 0:0:0:0:0:ffff:7b8d:3371
123.141.51.114 0:0:0:0:0:ffff:7b8d:3372
123.141.51.115 0:0:0:0:0:ffff:7b8d:3373
123.141.51.116 0:0:0:0:0:ffff:7b8d:3374
123.141.51.117 0:0:0:0:0:ffff:7b8d:3375
123.141.51.118 0:0:0:0:0:ffff:7b8d:3376
123.141.51.119 0:0:0:0:0:ffff:7b8d:3377
123.141.51.120 0:0:0:0:0:ffff:7b8d:3378


123.141.51.121 0:0:0:0:0:ffff:7b8d:3379
123.141.51.122 0:0:0:0:0:ffff:7b8d:337a
123.141.51.123 0:0:0:0:0:ffff:7b8d:337b
123.141.51.124 0:0:0:0:0:ffff:7b8d:337c
123.141.51.125 0:0:0:0:0:ffff:7b8d:337d
123.141.51.126 0:0:0:0:0:ffff:7b8d:337e
123.141.51.127 0:0:0:0:0:ffff:7b8d:337f
123.141.51.128 0:0:0:0:0:ffff:7b8d:3380
123.141.51.129 0:0:0:0:0:ffff:7b8d:3381
123.141.51.130 0:0:0:0:0:ffff:7b8d:3382
123.141.51.131 0:0:0:0:0:ffff:7b8d:3383
123.141.51.132 0:0:0:0:0:ffff:7b8d:3384
123.141.51.133 0:0:0:0:0:ffff:7b8d:3385
123.141.51.134 0:0:0:0:0:ffff:7b8d:3386
123.141.51.135 0:0:0:0:0:ffff:7b8d:3387
123.141.51.136 0:0:0:0:0:ffff:7b8d:3388
123.141.51.137 0:0:0:0:0:ffff:7b8d:3389
123.141.51.138 0:0:0:0:0:ffff:7b8d:338a
123.141.51.139 0:0:0:0:0:ffff:7b8d:338b
123.141.51.140 0:0:0:0:0:ffff:7b8d:338c
123.141.51.141 0:0:0:0:0:ffff:7b8d:338d
123.141.51.142 0:0:0:0:0:ffff:7b8d:338e
123.141.51.143 0:0:0:0:0:ffff:7b8d:338f
123.141.51.144 0:0:0:0:0:ffff:7b8d:3390
123.141.51.145 0:0:0:0:0:ffff:7b8d:3391
123.141.51.146 0:0:0:0:0:ffff:7b8d:3392
123.141.51.147 0:0:0:0:0:ffff:7b8d:3393
123.141.51.148 0:0:0:0:0:ffff:7b8d:3394
123.141.51.149 0:0:0:0:0:ffff:7b8d:3395
123.141.51.150 0:0:0:0:0:ffff:7b8d:3396
123.141.51.151 0:0:0:0:0:ffff:7b8d:3397
123.141.51.152 0:0:0:0:0:ffff:7b8d:3398
123.141.51.153 0:0:0:0:0:ffff:7b8d:3399
123.141.51.154 0:0:0:0:0:ffff:7b8d:339a
123.141.51.155 0:0:0:0:0:ffff:7b8d:339b
123.141.51.156 0:0:0:0:0:ffff:7b8d:339c
123.141.51.157 0:0:0:0:0:ffff:7b8d:339d
123.141.51.158 0:0:0:0:0:ffff:7b8d:339e
123.141.51.159 0:0:0:0:0:ffff:7b8d:339f
123.141.51.160 0:0:0:0:0:ffff:7b8d:33a0
123.141.51.161 0:0:0:0:0:ffff:7b8d:33a1
123.141.51.162 0:0:0:0:0:ffff:7b8d:33a2
123.141.51.163 0:0:0:0:0:ffff:7b8d:33a3
123.141.51.164 0:0:0:0:0:ffff:7b8d:33a4
123.141.51.165 0:0:0:0:0:ffff:7b8d:33a5
123.141.51.166 0:0:0:0:0:ffff:7b8d:33a6
123.141.51.167 0:0:0:0:0:ffff:7b8d:33a7
123.141.51.168 0:0:0:0:0:ffff:7b8d:33a8
123.141.51.169 0:0:0:0:0:ffff:7b8d:33a9
123.141.51.170 0:0:0:0:0:ffff:7b8d:33aa
123.141.51.171 0:0:0:0:0:ffff:7b8d:33ab
123.141.51.172 0:0:0:0:0:ffff:7b8d:33ac
123.141.51.173 0:0:0:0:0:ffff:7b8d:33ad
123.141.51.174 0:0:0:0:0:ffff:7b8d:33ae
123.141.51.175 0:0:0:0:0:ffff:7b8d:33af
123.141.51.176 0:0:0:0:0:ffff:7b8d:33b0
123.141.51.177 0:0:0:0:0:ffff:7b8d:33b1
123.141.51.178 0:0:0:0:0:ffff:7b8d:33b2
123.141.51.179 0:0:0:0:0:ffff:7b8d:33b3
123.141.51.180 0:0:0:0:0:ffff:7b8d:33b4


123.141.51.181 0:0:0:0:0:ffff:7b8d:33b5
123.141.51.182 0:0:0:0:0:ffff:7b8d:33b6
123.141.51.183 0:0:0:0:0:ffff:7b8d:33b7
123.141.51.184 0:0:0:0:0:ffff:7b8d:33b8
123.141.51.185 0:0:0:0:0:ffff:7b8d:33b9
123.141.51.186 0:0:0:0:0:ffff:7b8d:33ba
123.141.51.187 0:0:0:0:0:ffff:7b8d:33bb
123.141.51.188 0:0:0:0:0:ffff:7b8d:33bc
123.141.51.189 0:0:0:0:0:ffff:7b8d:33bd
123.141.51.190 0:0:0:0:0:ffff:7b8d:33be
123.141.51.191 0:0:0:0:0:ffff:7b8d:33bf
123.141.51.192 0:0:0:0:0:ffff:7b8d:33c0
123.141.51.193 0:0:0:0:0:ffff:7b8d:33c1
123.141.51.194 0:0:0:0:0:ffff:7b8d:33c2
123.141.51.195 0:0:0:0:0:ffff:7b8d:33c3
123.141.51.196 0:0:0:0:0:ffff:7b8d:33c4
123.141.51.197 0:0:0:0:0:ffff:7b8d:33c5
123.141.51.198 0:0:0:0:0:ffff:7b8d:33c6
123.141.51.199 0:0:0:0:0:ffff:7b8d:33c7
123.141.51.200 0:0:0:0:0:ffff:7b8d:33c8
123.141.51.201 0:0:0:0:0:ffff:7b8d:33c9
123.141.51.202 0:0:0:0:0:ffff:7b8d:33ca
123.141.51.203 0:0:0:0:0:ffff:7b8d:33cb
123.141.51.204 0:0:0:0:0:ffff:7b8d:33cc
123.141.51.205 0:0:0:0:0:ffff:7b8d:33cd
123.141.51.206 0:0:0:0:0:ffff:7b8d:33ce
123.141.51.207 0:0:0:0:0:ffff:7b8d:33cf
123.141.51.208 0:0:0:0:0:ffff:7b8d:33d0
123.141.51.209 0:0:0:0:0:ffff:7b8d:33d1
123.141.51.210 0:0:0:0:0:ffff:7b8d:33d2
123.141.51.211 0:0:0:0:0:ffff:7b8d:33d3
123.141.51.212 0:0:0:0:0:ffff:7b8d:33d4
123.141.51.213 0:0:0:0:0:ffff:7b8d:33d5
123.141.51.214 0:0:0:0:0:ffff:7b8d:33d6
123.141.51.215 0:0:0:0:0:ffff:7b8d:33d7
123.141.51.216 0:0:0:0:0:ffff:7b8d:33d8
123.141.51.217 0:0:0:0:0:ffff:7b8d:33d9
123.141.51.218 0:0:0:0:0:ffff:7b8d:33da
123.141.51.219 0:0:0:0:0:ffff:7b8d:33db
123.141.51.220 0:0:0:0:0:ffff:7b8d:33dc
123.141.51.221 0:0:0:0:0:ffff:7b8d:33dd
123.141.51.222 0:0:0:0:0:ffff:7b8d:33de
123.141.51.223 0:0:0:0:0:ffff:7b8d:33df
123.141.51.224 0:0:0:0:0:ffff:7b8d:33e0
123.141.51.225 0:0:0:0:0:ffff:7b8d:33e1
123.141.51.226 0:0:0:0:0:ffff:7b8d:33e2
123.141.51.227 0:0:0:0:0:ffff:7b8d:33e3
123.141.51.228 0:0:0:0:0:ffff:7b8d:33e4
123.141.51.229 0:0:0:0:0:ffff:7b8d:33e5
123.141.51.230 0:0:0:0:0:ffff:7b8d:33e6
123.141.51.231 0:0:0:0:0:ffff:7b8d:33e7
123.141.51.232 0:0:0:0:0:ffff:7b8d:33e8
123.141.51.233 0:0:0:0:0:ffff:7b8d:33e9
123.141.51.234 0:0:0:0:0:ffff:7b8d:33ea
123.141.51.235 0:0:0:0:0:ffff:7b8d:33eb
123.141.51.236 0:0:0:0:0:ffff:7b8d:33ec
123.141.51.237 0:0:0:0:0:ffff:7b8d:33ed
123.141.51.238 0:0:0:0:0:ffff:7b8d:33ee
123.141.51.239 0:0:0:0:0:ffff:7b8d:33ef
123.141.51.240 0:0:0:0:0:ffff:7b8d:33f0
123.141.51.241 0:0:0:0:0:ffff:7b8d:33f1
123.141.51.242 0:0:0:0:0:ffff:7b8d:33f2
123.141.51.243 0:0:0:0:0:ffff:7b8d:33f3
123.141.51.244 0:0:0:0:0:ffff:7b8d:33f4
123.141.51.245 0:0:0:0:0:ffff:7b8d:33f5
123.141.51.246 0:0:0:0:0:ffff:7b8d:33f6
123.141.51.247 0:0:0:0:0:ffff:7b8d:33f7
123.141.51.248 0:0:0:0:0:ffff:7b8d:33f8
123.141.51.249 0:0:0:0:0:ffff:7b8d:33f9
123.141.51.250 0:0:0:0:0:ffff:7b8d:33fa
123.141.51.251 0:0:0:0:0:ffff:7b8d:33fb
123.141.51.252 0:0:0:0:0:ffff:7b8d:33fc
123.141.51.253 0:0:0:0:0:ffff:7b8d:33fd
123.141.51.254 0:0:0:0:0:ffff:7b8d:33fe
123.141.51.255 0:0:0:0:0:ffff:7b8d: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.