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
19.73.4.1 0:0:0:0:0:ffff:1349:401
19.73.4.2 0:0:0:0:0:ffff:1349:402
19.73.4.3 0:0:0:0:0:ffff:1349:403
19.73.4.4 0:0:0:0:0:ffff:1349:404
19.73.4.5 0:0:0:0:0:ffff:1349:405
19.73.4.6 0:0:0:0:0:ffff:1349:406
19.73.4.7 0:0:0:0:0:ffff:1349:407
19.73.4.8 0:0:0:0:0:ffff:1349:408
19.73.4.9 0:0:0:0:0:ffff:1349:409
19.73.4.10 0:0:0:0:0:ffff:1349:40a
19.73.4.11 0:0:0:0:0:ffff:1349:40b
19.73.4.12 0:0:0:0:0:ffff:1349:40c
19.73.4.13 0:0:0:0:0:ffff:1349:40d
19.73.4.14 0:0:0:0:0:ffff:1349:40e
19.73.4.15 0:0:0:0:0:ffff:1349:40f
19.73.4.16 0:0:0:0:0:ffff:1349:410
19.73.4.17 0:0:0:0:0:ffff:1349:411
19.73.4.18 0:0:0:0:0:ffff:1349:412
19.73.4.19 0:0:0:0:0:ffff:1349:413
19.73.4.20 0:0:0:0:0:ffff:1349:414
19.73.4.21 0:0:0:0:0:ffff:1349:415
19.73.4.22 0:0:0:0:0:ffff:1349:416
19.73.4.23 0:0:0:0:0:ffff:1349:417
19.73.4.24 0:0:0:0:0:ffff:1349:418
19.73.4.25 0:0:0:0:0:ffff:1349:419
19.73.4.26 0:0:0:0:0:ffff:1349:41a
19.73.4.27 0:0:0:0:0:ffff:1349:41b
19.73.4.28 0:0:0:0:0:ffff:1349:41c
19.73.4.29 0:0:0:0:0:ffff:1349:41d
19.73.4.30 0:0:0:0:0:ffff:1349:41e
19.73.4.31 0:0:0:0:0:ffff:1349:41f
19.73.4.32 0:0:0:0:0:ffff:1349:420
19.73.4.33 0:0:0:0:0:ffff:1349:421
19.73.4.34 0:0:0:0:0:ffff:1349:422
19.73.4.35 0:0:0:0:0:ffff:1349:423
19.73.4.36 0:0:0:0:0:ffff:1349:424
19.73.4.37 0:0:0:0:0:ffff:1349:425
19.73.4.38 0:0:0:0:0:ffff:1349:426
19.73.4.39 0:0:0:0:0:ffff:1349:427
19.73.4.40 0:0:0:0:0:ffff:1349:428
19.73.4.41 0:0:0:0:0:ffff:1349:429
19.73.4.42 0:0:0:0:0:ffff:1349:42a
19.73.4.43 0:0:0:0:0:ffff:1349:42b
19.73.4.44 0:0:0:0:0:ffff:1349:42c
19.73.4.45 0:0:0:0:0:ffff:1349:42d
19.73.4.46 0:0:0:0:0:ffff:1349:42e
19.73.4.47 0:0:0:0:0:ffff:1349:42f
19.73.4.48 0:0:0:0:0:ffff:1349:430
19.73.4.49 0:0:0:0:0:ffff:1349:431
19.73.4.50 0:0:0:0:0:ffff:1349:432
19.73.4.51 0:0:0:0:0:ffff:1349:433
19.73.4.52 0:0:0:0:0:ffff:1349:434
19.73.4.53 0:0:0:0:0:ffff:1349:435
19.73.4.54 0:0:0:0:0:ffff:1349:436
19.73.4.55 0:0:0:0:0:ffff:1349:437
19.73.4.56 0:0:0:0:0:ffff:1349:438
19.73.4.57 0:0:0:0:0:ffff:1349:439
19.73.4.58 0:0:0:0:0:ffff:1349:43a
19.73.4.59 0:0:0:0:0:ffff:1349:43b
19.73.4.60 0:0:0:0:0:ffff:1349:43c


19.73.4.61 0:0:0:0:0:ffff:1349:43d
19.73.4.62 0:0:0:0:0:ffff:1349:43e
19.73.4.63 0:0:0:0:0:ffff:1349:43f
19.73.4.64 0:0:0:0:0:ffff:1349:440
19.73.4.65 0:0:0:0:0:ffff:1349:441
19.73.4.66 0:0:0:0:0:ffff:1349:442
19.73.4.67 0:0:0:0:0:ffff:1349:443
19.73.4.68 0:0:0:0:0:ffff:1349:444
19.73.4.69 0:0:0:0:0:ffff:1349:445
19.73.4.70 0:0:0:0:0:ffff:1349:446
19.73.4.71 0:0:0:0:0:ffff:1349:447
19.73.4.72 0:0:0:0:0:ffff:1349:448
19.73.4.73 0:0:0:0:0:ffff:1349:449
19.73.4.74 0:0:0:0:0:ffff:1349:44a
19.73.4.75 0:0:0:0:0:ffff:1349:44b
19.73.4.76 0:0:0:0:0:ffff:1349:44c
19.73.4.77 0:0:0:0:0:ffff:1349:44d
19.73.4.78 0:0:0:0:0:ffff:1349:44e
19.73.4.79 0:0:0:0:0:ffff:1349:44f
19.73.4.80 0:0:0:0:0:ffff:1349:450
19.73.4.81 0:0:0:0:0:ffff:1349:451
19.73.4.82 0:0:0:0:0:ffff:1349:452
19.73.4.83 0:0:0:0:0:ffff:1349:453
19.73.4.84 0:0:0:0:0:ffff:1349:454
19.73.4.85 0:0:0:0:0:ffff:1349:455
19.73.4.86 0:0:0:0:0:ffff:1349:456
19.73.4.87 0:0:0:0:0:ffff:1349:457
19.73.4.88 0:0:0:0:0:ffff:1349:458
19.73.4.89 0:0:0:0:0:ffff:1349:459
19.73.4.90 0:0:0:0:0:ffff:1349:45a
19.73.4.91 0:0:0:0:0:ffff:1349:45b
19.73.4.92 0:0:0:0:0:ffff:1349:45c
19.73.4.93 0:0:0:0:0:ffff:1349:45d
19.73.4.94 0:0:0:0:0:ffff:1349:45e
19.73.4.95 0:0:0:0:0:ffff:1349:45f
19.73.4.96 0:0:0:0:0:ffff:1349:460
19.73.4.97 0:0:0:0:0:ffff:1349:461
19.73.4.98 0:0:0:0:0:ffff:1349:462
19.73.4.99 0:0:0:0:0:ffff:1349:463
19.73.4.100 0:0:0:0:0:ffff:1349:464
19.73.4.101 0:0:0:0:0:ffff:1349:465
19.73.4.102 0:0:0:0:0:ffff:1349:466
19.73.4.103 0:0:0:0:0:ffff:1349:467
19.73.4.104 0:0:0:0:0:ffff:1349:468
19.73.4.105 0:0:0:0:0:ffff:1349:469
19.73.4.106 0:0:0:0:0:ffff:1349:46a
19.73.4.107 0:0:0:0:0:ffff:1349:46b
19.73.4.108 0:0:0:0:0:ffff:1349:46c
19.73.4.109 0:0:0:0:0:ffff:1349:46d
19.73.4.110 0:0:0:0:0:ffff:1349:46e
19.73.4.111 0:0:0:0:0:ffff:1349:46f
19.73.4.112 0:0:0:0:0:ffff:1349:470
19.73.4.113 0:0:0:0:0:ffff:1349:471
19.73.4.114 0:0:0:0:0:ffff:1349:472
19.73.4.115 0:0:0:0:0:ffff:1349:473
19.73.4.116 0:0:0:0:0:ffff:1349:474
19.73.4.117 0:0:0:0:0:ffff:1349:475
19.73.4.118 0:0:0:0:0:ffff:1349:476
19.73.4.119 0:0:0:0:0:ffff:1349:477
19.73.4.120 0:0:0:0:0:ffff:1349:478


19.73.4.121 0:0:0:0:0:ffff:1349:479
19.73.4.122 0:0:0:0:0:ffff:1349:47a
19.73.4.123 0:0:0:0:0:ffff:1349:47b
19.73.4.124 0:0:0:0:0:ffff:1349:47c
19.73.4.125 0:0:0:0:0:ffff:1349:47d
19.73.4.126 0:0:0:0:0:ffff:1349:47e
19.73.4.127 0:0:0:0:0:ffff:1349:47f
19.73.4.128 0:0:0:0:0:ffff:1349:480
19.73.4.129 0:0:0:0:0:ffff:1349:481
19.73.4.130 0:0:0:0:0:ffff:1349:482
19.73.4.131 0:0:0:0:0:ffff:1349:483
19.73.4.132 0:0:0:0:0:ffff:1349:484
19.73.4.133 0:0:0:0:0:ffff:1349:485
19.73.4.134 0:0:0:0:0:ffff:1349:486
19.73.4.135 0:0:0:0:0:ffff:1349:487
19.73.4.136 0:0:0:0:0:ffff:1349:488
19.73.4.137 0:0:0:0:0:ffff:1349:489
19.73.4.138 0:0:0:0:0:ffff:1349:48a
19.73.4.139 0:0:0:0:0:ffff:1349:48b
19.73.4.140 0:0:0:0:0:ffff:1349:48c
19.73.4.141 0:0:0:0:0:ffff:1349:48d
19.73.4.142 0:0:0:0:0:ffff:1349:48e
19.73.4.143 0:0:0:0:0:ffff:1349:48f
19.73.4.144 0:0:0:0:0:ffff:1349:490
19.73.4.145 0:0:0:0:0:ffff:1349:491
19.73.4.146 0:0:0:0:0:ffff:1349:492
19.73.4.147 0:0:0:0:0:ffff:1349:493
19.73.4.148 0:0:0:0:0:ffff:1349:494
19.73.4.149 0:0:0:0:0:ffff:1349:495
19.73.4.150 0:0:0:0:0:ffff:1349:496
19.73.4.151 0:0:0:0:0:ffff:1349:497
19.73.4.152 0:0:0:0:0:ffff:1349:498
19.73.4.153 0:0:0:0:0:ffff:1349:499
19.73.4.154 0:0:0:0:0:ffff:1349:49a
19.73.4.155 0:0:0:0:0:ffff:1349:49b
19.73.4.156 0:0:0:0:0:ffff:1349:49c
19.73.4.157 0:0:0:0:0:ffff:1349:49d
19.73.4.158 0:0:0:0:0:ffff:1349:49e
19.73.4.159 0:0:0:0:0:ffff:1349:49f
19.73.4.160 0:0:0:0:0:ffff:1349:4a0
19.73.4.161 0:0:0:0:0:ffff:1349:4a1
19.73.4.162 0:0:0:0:0:ffff:1349:4a2
19.73.4.163 0:0:0:0:0:ffff:1349:4a3
19.73.4.164 0:0:0:0:0:ffff:1349:4a4
19.73.4.165 0:0:0:0:0:ffff:1349:4a5
19.73.4.166 0:0:0:0:0:ffff:1349:4a6
19.73.4.167 0:0:0:0:0:ffff:1349:4a7
19.73.4.168 0:0:0:0:0:ffff:1349:4a8
19.73.4.169 0:0:0:0:0:ffff:1349:4a9
19.73.4.170 0:0:0:0:0:ffff:1349:4aa
19.73.4.171 0:0:0:0:0:ffff:1349:4ab
19.73.4.172 0:0:0:0:0:ffff:1349:4ac
19.73.4.173 0:0:0:0:0:ffff:1349:4ad
19.73.4.174 0:0:0:0:0:ffff:1349:4ae
19.73.4.175 0:0:0:0:0:ffff:1349:4af
19.73.4.176 0:0:0:0:0:ffff:1349:4b0
19.73.4.177 0:0:0:0:0:ffff:1349:4b1
19.73.4.178 0:0:0:0:0:ffff:1349:4b2
19.73.4.179 0:0:0:0:0:ffff:1349:4b3
19.73.4.180 0:0:0:0:0:ffff:1349:4b4


19.73.4.181 0:0:0:0:0:ffff:1349:4b5
19.73.4.182 0:0:0:0:0:ffff:1349:4b6
19.73.4.183 0:0:0:0:0:ffff:1349:4b7
19.73.4.184 0:0:0:0:0:ffff:1349:4b8
19.73.4.185 0:0:0:0:0:ffff:1349:4b9
19.73.4.186 0:0:0:0:0:ffff:1349:4ba
19.73.4.187 0:0:0:0:0:ffff:1349:4bb
19.73.4.188 0:0:0:0:0:ffff:1349:4bc
19.73.4.189 0:0:0:0:0:ffff:1349:4bd
19.73.4.190 0:0:0:0:0:ffff:1349:4be
19.73.4.191 0:0:0:0:0:ffff:1349:4bf
19.73.4.192 0:0:0:0:0:ffff:1349:4c0
19.73.4.193 0:0:0:0:0:ffff:1349:4c1
19.73.4.194 0:0:0:0:0:ffff:1349:4c2
19.73.4.195 0:0:0:0:0:ffff:1349:4c3
19.73.4.196 0:0:0:0:0:ffff:1349:4c4
19.73.4.197 0:0:0:0:0:ffff:1349:4c5
19.73.4.198 0:0:0:0:0:ffff:1349:4c6
19.73.4.199 0:0:0:0:0:ffff:1349:4c7
19.73.4.200 0:0:0:0:0:ffff:1349:4c8
19.73.4.201 0:0:0:0:0:ffff:1349:4c9
19.73.4.202 0:0:0:0:0:ffff:1349:4ca
19.73.4.203 0:0:0:0:0:ffff:1349:4cb
19.73.4.204 0:0:0:0:0:ffff:1349:4cc
19.73.4.205 0:0:0:0:0:ffff:1349:4cd
19.73.4.206 0:0:0:0:0:ffff:1349:4ce
19.73.4.207 0:0:0:0:0:ffff:1349:4cf
19.73.4.208 0:0:0:0:0:ffff:1349:4d0
19.73.4.209 0:0:0:0:0:ffff:1349:4d1
19.73.4.210 0:0:0:0:0:ffff:1349:4d2
19.73.4.211 0:0:0:0:0:ffff:1349:4d3
19.73.4.212 0:0:0:0:0:ffff:1349:4d4
19.73.4.213 0:0:0:0:0:ffff:1349:4d5
19.73.4.214 0:0:0:0:0:ffff:1349:4d6
19.73.4.215 0:0:0:0:0:ffff:1349:4d7
19.73.4.216 0:0:0:0:0:ffff:1349:4d8
19.73.4.217 0:0:0:0:0:ffff:1349:4d9
19.73.4.218 0:0:0:0:0:ffff:1349:4da
19.73.4.219 0:0:0:0:0:ffff:1349:4db
19.73.4.220 0:0:0:0:0:ffff:1349:4dc
19.73.4.221 0:0:0:0:0:ffff:1349:4dd
19.73.4.222 0:0:0:0:0:ffff:1349:4de
19.73.4.223 0:0:0:0:0:ffff:1349:4df
19.73.4.224 0:0:0:0:0:ffff:1349:4e0
19.73.4.225 0:0:0:0:0:ffff:1349:4e1
19.73.4.226 0:0:0:0:0:ffff:1349:4e2
19.73.4.227 0:0:0:0:0:ffff:1349:4e3
19.73.4.228 0:0:0:0:0:ffff:1349:4e4
19.73.4.229 0:0:0:0:0:ffff:1349:4e5
19.73.4.230 0:0:0:0:0:ffff:1349:4e6
19.73.4.231 0:0:0:0:0:ffff:1349:4e7
19.73.4.232 0:0:0:0:0:ffff:1349:4e8
19.73.4.233 0:0:0:0:0:ffff:1349:4e9
19.73.4.234 0:0:0:0:0:ffff:1349:4ea
19.73.4.235 0:0:0:0:0:ffff:1349:4eb
19.73.4.236 0:0:0:0:0:ffff:1349:4ec
19.73.4.237 0:0:0:0:0:ffff:1349:4ed
19.73.4.238 0:0:0:0:0:ffff:1349:4ee
19.73.4.239 0:0:0:0:0:ffff:1349:4ef
19.73.4.240 0:0:0:0:0:ffff:1349:4f0
19.73.4.241 0:0:0:0:0:ffff:1349:4f1
19.73.4.242 0:0:0:0:0:ffff:1349:4f2
19.73.4.243 0:0:0:0:0:ffff:1349:4f3
19.73.4.244 0:0:0:0:0:ffff:1349:4f4
19.73.4.245 0:0:0:0:0:ffff:1349:4f5
19.73.4.246 0:0:0:0:0:ffff:1349:4f6
19.73.4.247 0:0:0:0:0:ffff:1349:4f7
19.73.4.248 0:0:0:0:0:ffff:1349:4f8
19.73.4.249 0:0:0:0:0:ffff:1349:4f9
19.73.4.250 0:0:0:0:0:ffff:1349:4fa
19.73.4.251 0:0:0:0:0:ffff:1349:4fb
19.73.4.252 0:0:0:0:0:ffff:1349:4fc
19.73.4.253 0:0:0:0:0:ffff:1349:4fd
19.73.4.254 0:0:0:0:0:ffff:1349:4fe
19.73.4.255 0:0:0:0:0:ffff:1349:4ff


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.