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
123.168.4.1 0:0:0:0:0:ffff:7ba8:401
123.168.4.2 0:0:0:0:0:ffff:7ba8:402
123.168.4.3 0:0:0:0:0:ffff:7ba8:403
123.168.4.4 0:0:0:0:0:ffff:7ba8:404
123.168.4.5 0:0:0:0:0:ffff:7ba8:405
123.168.4.6 0:0:0:0:0:ffff:7ba8:406
123.168.4.7 0:0:0:0:0:ffff:7ba8:407
123.168.4.8 0:0:0:0:0:ffff:7ba8:408
123.168.4.9 0:0:0:0:0:ffff:7ba8:409
123.168.4.10 0:0:0:0:0:ffff:7ba8:40a
123.168.4.11 0:0:0:0:0:ffff:7ba8:40b
123.168.4.12 0:0:0:0:0:ffff:7ba8:40c
123.168.4.13 0:0:0:0:0:ffff:7ba8:40d
123.168.4.14 0:0:0:0:0:ffff:7ba8:40e
123.168.4.15 0:0:0:0:0:ffff:7ba8:40f
123.168.4.16 0:0:0:0:0:ffff:7ba8:410
123.168.4.17 0:0:0:0:0:ffff:7ba8:411
123.168.4.18 0:0:0:0:0:ffff:7ba8:412
123.168.4.19 0:0:0:0:0:ffff:7ba8:413
123.168.4.20 0:0:0:0:0:ffff:7ba8:414
123.168.4.21 0:0:0:0:0:ffff:7ba8:415
123.168.4.22 0:0:0:0:0:ffff:7ba8:416
123.168.4.23 0:0:0:0:0:ffff:7ba8:417
123.168.4.24 0:0:0:0:0:ffff:7ba8:418
123.168.4.25 0:0:0:0:0:ffff:7ba8:419
123.168.4.26 0:0:0:0:0:ffff:7ba8:41a
123.168.4.27 0:0:0:0:0:ffff:7ba8:41b
123.168.4.28 0:0:0:0:0:ffff:7ba8:41c
123.168.4.29 0:0:0:0:0:ffff:7ba8:41d
123.168.4.30 0:0:0:0:0:ffff:7ba8:41e
123.168.4.31 0:0:0:0:0:ffff:7ba8:41f
123.168.4.32 0:0:0:0:0:ffff:7ba8:420
123.168.4.33 0:0:0:0:0:ffff:7ba8:421
123.168.4.34 0:0:0:0:0:ffff:7ba8:422
123.168.4.35 0:0:0:0:0:ffff:7ba8:423
123.168.4.36 0:0:0:0:0:ffff:7ba8:424
123.168.4.37 0:0:0:0:0:ffff:7ba8:425
123.168.4.38 0:0:0:0:0:ffff:7ba8:426
123.168.4.39 0:0:0:0:0:ffff:7ba8:427
123.168.4.40 0:0:0:0:0:ffff:7ba8:428
123.168.4.41 0:0:0:0:0:ffff:7ba8:429
123.168.4.42 0:0:0:0:0:ffff:7ba8:42a
123.168.4.43 0:0:0:0:0:ffff:7ba8:42b
123.168.4.44 0:0:0:0:0:ffff:7ba8:42c
123.168.4.45 0:0:0:0:0:ffff:7ba8:42d
123.168.4.46 0:0:0:0:0:ffff:7ba8:42e
123.168.4.47 0:0:0:0:0:ffff:7ba8:42f
123.168.4.48 0:0:0:0:0:ffff:7ba8:430
123.168.4.49 0:0:0:0:0:ffff:7ba8:431
123.168.4.50 0:0:0:0:0:ffff:7ba8:432
123.168.4.51 0:0:0:0:0:ffff:7ba8:433
123.168.4.52 0:0:0:0:0:ffff:7ba8:434
123.168.4.53 0:0:0:0:0:ffff:7ba8:435
123.168.4.54 0:0:0:0:0:ffff:7ba8:436
123.168.4.55 0:0:0:0:0:ffff:7ba8:437
123.168.4.56 0:0:0:0:0:ffff:7ba8:438
123.168.4.57 0:0:0:0:0:ffff:7ba8:439
123.168.4.58 0:0:0:0:0:ffff:7ba8:43a
123.168.4.59 0:0:0:0:0:ffff:7ba8:43b
123.168.4.60 0:0:0:0:0:ffff:7ba8:43c


123.168.4.61 0:0:0:0:0:ffff:7ba8:43d
123.168.4.62 0:0:0:0:0:ffff:7ba8:43e
123.168.4.63 0:0:0:0:0:ffff:7ba8:43f
123.168.4.64 0:0:0:0:0:ffff:7ba8:440
123.168.4.65 0:0:0:0:0:ffff:7ba8:441
123.168.4.66 0:0:0:0:0:ffff:7ba8:442
123.168.4.67 0:0:0:0:0:ffff:7ba8:443
123.168.4.68 0:0:0:0:0:ffff:7ba8:444
123.168.4.69 0:0:0:0:0:ffff:7ba8:445
123.168.4.70 0:0:0:0:0:ffff:7ba8:446
123.168.4.71 0:0:0:0:0:ffff:7ba8:447
123.168.4.72 0:0:0:0:0:ffff:7ba8:448
123.168.4.73 0:0:0:0:0:ffff:7ba8:449
123.168.4.74 0:0:0:0:0:ffff:7ba8:44a
123.168.4.75 0:0:0:0:0:ffff:7ba8:44b
123.168.4.76 0:0:0:0:0:ffff:7ba8:44c
123.168.4.77 0:0:0:0:0:ffff:7ba8:44d
123.168.4.78 0:0:0:0:0:ffff:7ba8:44e
123.168.4.79 0:0:0:0:0:ffff:7ba8:44f
123.168.4.80 0:0:0:0:0:ffff:7ba8:450
123.168.4.81 0:0:0:0:0:ffff:7ba8:451
123.168.4.82 0:0:0:0:0:ffff:7ba8:452
123.168.4.83 0:0:0:0:0:ffff:7ba8:453
123.168.4.84 0:0:0:0:0:ffff:7ba8:454
123.168.4.85 0:0:0:0:0:ffff:7ba8:455
123.168.4.86 0:0:0:0:0:ffff:7ba8:456
123.168.4.87 0:0:0:0:0:ffff:7ba8:457
123.168.4.88 0:0:0:0:0:ffff:7ba8:458
123.168.4.89 0:0:0:0:0:ffff:7ba8:459
123.168.4.90 0:0:0:0:0:ffff:7ba8:45a
123.168.4.91 0:0:0:0:0:ffff:7ba8:45b
123.168.4.92 0:0:0:0:0:ffff:7ba8:45c
123.168.4.93 0:0:0:0:0:ffff:7ba8:45d
123.168.4.94 0:0:0:0:0:ffff:7ba8:45e
123.168.4.95 0:0:0:0:0:ffff:7ba8:45f
123.168.4.96 0:0:0:0:0:ffff:7ba8:460
123.168.4.97 0:0:0:0:0:ffff:7ba8:461
123.168.4.98 0:0:0:0:0:ffff:7ba8:462
123.168.4.99 0:0:0:0:0:ffff:7ba8:463
123.168.4.100 0:0:0:0:0:ffff:7ba8:464
123.168.4.101 0:0:0:0:0:ffff:7ba8:465
123.168.4.102 0:0:0:0:0:ffff:7ba8:466
123.168.4.103 0:0:0:0:0:ffff:7ba8:467
123.168.4.104 0:0:0:0:0:ffff:7ba8:468
123.168.4.105 0:0:0:0:0:ffff:7ba8:469
123.168.4.106 0:0:0:0:0:ffff:7ba8:46a
123.168.4.107 0:0:0:0:0:ffff:7ba8:46b
123.168.4.108 0:0:0:0:0:ffff:7ba8:46c
123.168.4.109 0:0:0:0:0:ffff:7ba8:46d
123.168.4.110 0:0:0:0:0:ffff:7ba8:46e
123.168.4.111 0:0:0:0:0:ffff:7ba8:46f
123.168.4.112 0:0:0:0:0:ffff:7ba8:470
123.168.4.113 0:0:0:0:0:ffff:7ba8:471
123.168.4.114 0:0:0:0:0:ffff:7ba8:472
123.168.4.115 0:0:0:0:0:ffff:7ba8:473
123.168.4.116 0:0:0:0:0:ffff:7ba8:474
123.168.4.117 0:0:0:0:0:ffff:7ba8:475
123.168.4.118 0:0:0:0:0:ffff:7ba8:476
123.168.4.119 0:0:0:0:0:ffff:7ba8:477
123.168.4.120 0:0:0:0:0:ffff:7ba8:478


123.168.4.121 0:0:0:0:0:ffff:7ba8:479
123.168.4.122 0:0:0:0:0:ffff:7ba8:47a
123.168.4.123 0:0:0:0:0:ffff:7ba8:47b
123.168.4.124 0:0:0:0:0:ffff:7ba8:47c
123.168.4.125 0:0:0:0:0:ffff:7ba8:47d
123.168.4.126 0:0:0:0:0:ffff:7ba8:47e
123.168.4.127 0:0:0:0:0:ffff:7ba8:47f
123.168.4.128 0:0:0:0:0:ffff:7ba8:480
123.168.4.129 0:0:0:0:0:ffff:7ba8:481
123.168.4.130 0:0:0:0:0:ffff:7ba8:482
123.168.4.131 0:0:0:0:0:ffff:7ba8:483
123.168.4.132 0:0:0:0:0:ffff:7ba8:484
123.168.4.133 0:0:0:0:0:ffff:7ba8:485
123.168.4.134 0:0:0:0:0:ffff:7ba8:486
123.168.4.135 0:0:0:0:0:ffff:7ba8:487
123.168.4.136 0:0:0:0:0:ffff:7ba8:488
123.168.4.137 0:0:0:0:0:ffff:7ba8:489
123.168.4.138 0:0:0:0:0:ffff:7ba8:48a
123.168.4.139 0:0:0:0:0:ffff:7ba8:48b
123.168.4.140 0:0:0:0:0:ffff:7ba8:48c
123.168.4.141 0:0:0:0:0:ffff:7ba8:48d
123.168.4.142 0:0:0:0:0:ffff:7ba8:48e
123.168.4.143 0:0:0:0:0:ffff:7ba8:48f
123.168.4.144 0:0:0:0:0:ffff:7ba8:490
123.168.4.145 0:0:0:0:0:ffff:7ba8:491
123.168.4.146 0:0:0:0:0:ffff:7ba8:492
123.168.4.147 0:0:0:0:0:ffff:7ba8:493
123.168.4.148 0:0:0:0:0:ffff:7ba8:494
123.168.4.149 0:0:0:0:0:ffff:7ba8:495
123.168.4.150 0:0:0:0:0:ffff:7ba8:496
123.168.4.151 0:0:0:0:0:ffff:7ba8:497
123.168.4.152 0:0:0:0:0:ffff:7ba8:498
123.168.4.153 0:0:0:0:0:ffff:7ba8:499
123.168.4.154 0:0:0:0:0:ffff:7ba8:49a
123.168.4.155 0:0:0:0:0:ffff:7ba8:49b
123.168.4.156 0:0:0:0:0:ffff:7ba8:49c
123.168.4.157 0:0:0:0:0:ffff:7ba8:49d
123.168.4.158 0:0:0:0:0:ffff:7ba8:49e
123.168.4.159 0:0:0:0:0:ffff:7ba8:49f
123.168.4.160 0:0:0:0:0:ffff:7ba8:4a0
123.168.4.161 0:0:0:0:0:ffff:7ba8:4a1
123.168.4.162 0:0:0:0:0:ffff:7ba8:4a2
123.168.4.163 0:0:0:0:0:ffff:7ba8:4a3
123.168.4.164 0:0:0:0:0:ffff:7ba8:4a4
123.168.4.165 0:0:0:0:0:ffff:7ba8:4a5
123.168.4.166 0:0:0:0:0:ffff:7ba8:4a6
123.168.4.167 0:0:0:0:0:ffff:7ba8:4a7
123.168.4.168 0:0:0:0:0:ffff:7ba8:4a8
123.168.4.169 0:0:0:0:0:ffff:7ba8:4a9
123.168.4.170 0:0:0:0:0:ffff:7ba8:4aa
123.168.4.171 0:0:0:0:0:ffff:7ba8:4ab
123.168.4.172 0:0:0:0:0:ffff:7ba8:4ac
123.168.4.173 0:0:0:0:0:ffff:7ba8:4ad
123.168.4.174 0:0:0:0:0:ffff:7ba8:4ae
123.168.4.175 0:0:0:0:0:ffff:7ba8:4af
123.168.4.176 0:0:0:0:0:ffff:7ba8:4b0
123.168.4.177 0:0:0:0:0:ffff:7ba8:4b1
123.168.4.178 0:0:0:0:0:ffff:7ba8:4b2
123.168.4.179 0:0:0:0:0:ffff:7ba8:4b3
123.168.4.180 0:0:0:0:0:ffff:7ba8:4b4


123.168.4.181 0:0:0:0:0:ffff:7ba8:4b5
123.168.4.182 0:0:0:0:0:ffff:7ba8:4b6
123.168.4.183 0:0:0:0:0:ffff:7ba8:4b7
123.168.4.184 0:0:0:0:0:ffff:7ba8:4b8
123.168.4.185 0:0:0:0:0:ffff:7ba8:4b9
123.168.4.186 0:0:0:0:0:ffff:7ba8:4ba
123.168.4.187 0:0:0:0:0:ffff:7ba8:4bb
123.168.4.188 0:0:0:0:0:ffff:7ba8:4bc
123.168.4.189 0:0:0:0:0:ffff:7ba8:4bd
123.168.4.190 0:0:0:0:0:ffff:7ba8:4be
123.168.4.191 0:0:0:0:0:ffff:7ba8:4bf
123.168.4.192 0:0:0:0:0:ffff:7ba8:4c0
123.168.4.193 0:0:0:0:0:ffff:7ba8:4c1
123.168.4.194 0:0:0:0:0:ffff:7ba8:4c2
123.168.4.195 0:0:0:0:0:ffff:7ba8:4c3
123.168.4.196 0:0:0:0:0:ffff:7ba8:4c4
123.168.4.197 0:0:0:0:0:ffff:7ba8:4c5
123.168.4.198 0:0:0:0:0:ffff:7ba8:4c6
123.168.4.199 0:0:0:0:0:ffff:7ba8:4c7
123.168.4.200 0:0:0:0:0:ffff:7ba8:4c8
123.168.4.201 0:0:0:0:0:ffff:7ba8:4c9
123.168.4.202 0:0:0:0:0:ffff:7ba8:4ca
123.168.4.203 0:0:0:0:0:ffff:7ba8:4cb
123.168.4.204 0:0:0:0:0:ffff:7ba8:4cc
123.168.4.205 0:0:0:0:0:ffff:7ba8:4cd
123.168.4.206 0:0:0:0:0:ffff:7ba8:4ce
123.168.4.207 0:0:0:0:0:ffff:7ba8:4cf
123.168.4.208 0:0:0:0:0:ffff:7ba8:4d0
123.168.4.209 0:0:0:0:0:ffff:7ba8:4d1
123.168.4.210 0:0:0:0:0:ffff:7ba8:4d2
123.168.4.211 0:0:0:0:0:ffff:7ba8:4d3
123.168.4.212 0:0:0:0:0:ffff:7ba8:4d4
123.168.4.213 0:0:0:0:0:ffff:7ba8:4d5
123.168.4.214 0:0:0:0:0:ffff:7ba8:4d6
123.168.4.215 0:0:0:0:0:ffff:7ba8:4d7
123.168.4.216 0:0:0:0:0:ffff:7ba8:4d8
123.168.4.217 0:0:0:0:0:ffff:7ba8:4d9
123.168.4.218 0:0:0:0:0:ffff:7ba8:4da
123.168.4.219 0:0:0:0:0:ffff:7ba8:4db
123.168.4.220 0:0:0:0:0:ffff:7ba8:4dc
123.168.4.221 0:0:0:0:0:ffff:7ba8:4dd
123.168.4.222 0:0:0:0:0:ffff:7ba8:4de
123.168.4.223 0:0:0:0:0:ffff:7ba8:4df
123.168.4.224 0:0:0:0:0:ffff:7ba8:4e0
123.168.4.225 0:0:0:0:0:ffff:7ba8:4e1
123.168.4.226 0:0:0:0:0:ffff:7ba8:4e2
123.168.4.227 0:0:0:0:0:ffff:7ba8:4e3
123.168.4.228 0:0:0:0:0:ffff:7ba8:4e4
123.168.4.229 0:0:0:0:0:ffff:7ba8:4e5
123.168.4.230 0:0:0:0:0:ffff:7ba8:4e6
123.168.4.231 0:0:0:0:0:ffff:7ba8:4e7
123.168.4.232 0:0:0:0:0:ffff:7ba8:4e8
123.168.4.233 0:0:0:0:0:ffff:7ba8:4e9
123.168.4.234 0:0:0:0:0:ffff:7ba8:4ea
123.168.4.235 0:0:0:0:0:ffff:7ba8:4eb
123.168.4.236 0:0:0:0:0:ffff:7ba8:4ec
123.168.4.237 0:0:0:0:0:ffff:7ba8:4ed
123.168.4.238 0:0:0:0:0:ffff:7ba8:4ee
123.168.4.239 0:0:0:0:0:ffff:7ba8:4ef
123.168.4.240 0:0:0:0:0:ffff:7ba8:4f0
123.168.4.241 0:0:0:0:0:ffff:7ba8:4f1
123.168.4.242 0:0:0:0:0:ffff:7ba8:4f2
123.168.4.243 0:0:0:0:0:ffff:7ba8:4f3
123.168.4.244 0:0:0:0:0:ffff:7ba8:4f4
123.168.4.245 0:0:0:0:0:ffff:7ba8:4f5
123.168.4.246 0:0:0:0:0:ffff:7ba8:4f6
123.168.4.247 0:0:0:0:0:ffff:7ba8:4f7
123.168.4.248 0:0:0:0:0:ffff:7ba8:4f8
123.168.4.249 0:0:0:0:0:ffff:7ba8:4f9
123.168.4.250 0:0:0:0:0:ffff:7ba8:4fa
123.168.4.251 0:0:0:0:0:ffff:7ba8:4fb
123.168.4.252 0:0:0:0:0:ffff:7ba8:4fc
123.168.4.253 0:0:0:0:0:ffff:7ba8:4fd
123.168.4.254 0:0:0:0:0:ffff:7ba8:4fe
123.168.4.255 0:0:0:0:0:ffff:7ba8:4ff


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.