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
73.105.100.1 0:0:0:0:0:ffff:4969:6401
73.105.100.2 0:0:0:0:0:ffff:4969:6402
73.105.100.3 0:0:0:0:0:ffff:4969:6403
73.105.100.4 0:0:0:0:0:ffff:4969:6404
73.105.100.5 0:0:0:0:0:ffff:4969:6405
73.105.100.6 0:0:0:0:0:ffff:4969:6406
73.105.100.7 0:0:0:0:0:ffff:4969:6407
73.105.100.8 0:0:0:0:0:ffff:4969:6408
73.105.100.9 0:0:0:0:0:ffff:4969:6409
73.105.100.10 0:0:0:0:0:ffff:4969:640a
73.105.100.11 0:0:0:0:0:ffff:4969:640b
73.105.100.12 0:0:0:0:0:ffff:4969:640c
73.105.100.13 0:0:0:0:0:ffff:4969:640d
73.105.100.14 0:0:0:0:0:ffff:4969:640e
73.105.100.15 0:0:0:0:0:ffff:4969:640f
73.105.100.16 0:0:0:0:0:ffff:4969:6410
73.105.100.17 0:0:0:0:0:ffff:4969:6411
73.105.100.18 0:0:0:0:0:ffff:4969:6412
73.105.100.19 0:0:0:0:0:ffff:4969:6413
73.105.100.20 0:0:0:0:0:ffff:4969:6414
73.105.100.21 0:0:0:0:0:ffff:4969:6415
73.105.100.22 0:0:0:0:0:ffff:4969:6416
73.105.100.23 0:0:0:0:0:ffff:4969:6417
73.105.100.24 0:0:0:0:0:ffff:4969:6418
73.105.100.25 0:0:0:0:0:ffff:4969:6419
73.105.100.26 0:0:0:0:0:ffff:4969:641a
73.105.100.27 0:0:0:0:0:ffff:4969:641b
73.105.100.28 0:0:0:0:0:ffff:4969:641c
73.105.100.29 0:0:0:0:0:ffff:4969:641d
73.105.100.30 0:0:0:0:0:ffff:4969:641e
73.105.100.31 0:0:0:0:0:ffff:4969:641f
73.105.100.32 0:0:0:0:0:ffff:4969:6420
73.105.100.33 0:0:0:0:0:ffff:4969:6421
73.105.100.34 0:0:0:0:0:ffff:4969:6422
73.105.100.35 0:0:0:0:0:ffff:4969:6423
73.105.100.36 0:0:0:0:0:ffff:4969:6424
73.105.100.37 0:0:0:0:0:ffff:4969:6425
73.105.100.38 0:0:0:0:0:ffff:4969:6426
73.105.100.39 0:0:0:0:0:ffff:4969:6427
73.105.100.40 0:0:0:0:0:ffff:4969:6428
73.105.100.41 0:0:0:0:0:ffff:4969:6429
73.105.100.42 0:0:0:0:0:ffff:4969:642a
73.105.100.43 0:0:0:0:0:ffff:4969:642b
73.105.100.44 0:0:0:0:0:ffff:4969:642c
73.105.100.45 0:0:0:0:0:ffff:4969:642d
73.105.100.46 0:0:0:0:0:ffff:4969:642e
73.105.100.47 0:0:0:0:0:ffff:4969:642f
73.105.100.48 0:0:0:0:0:ffff:4969:6430
73.105.100.49 0:0:0:0:0:ffff:4969:6431
73.105.100.50 0:0:0:0:0:ffff:4969:6432
73.105.100.51 0:0:0:0:0:ffff:4969:6433
73.105.100.52 0:0:0:0:0:ffff:4969:6434
73.105.100.53 0:0:0:0:0:ffff:4969:6435
73.105.100.54 0:0:0:0:0:ffff:4969:6436
73.105.100.55 0:0:0:0:0:ffff:4969:6437
73.105.100.56 0:0:0:0:0:ffff:4969:6438
73.105.100.57 0:0:0:0:0:ffff:4969:6439
73.105.100.58 0:0:0:0:0:ffff:4969:643a
73.105.100.59 0:0:0:0:0:ffff:4969:643b
73.105.100.60 0:0:0:0:0:ffff:4969:643c


73.105.100.61 0:0:0:0:0:ffff:4969:643d
73.105.100.62 0:0:0:0:0:ffff:4969:643e
73.105.100.63 0:0:0:0:0:ffff:4969:643f
73.105.100.64 0:0:0:0:0:ffff:4969:6440
73.105.100.65 0:0:0:0:0:ffff:4969:6441
73.105.100.66 0:0:0:0:0:ffff:4969:6442
73.105.100.67 0:0:0:0:0:ffff:4969:6443
73.105.100.68 0:0:0:0:0:ffff:4969:6444
73.105.100.69 0:0:0:0:0:ffff:4969:6445
73.105.100.70 0:0:0:0:0:ffff:4969:6446
73.105.100.71 0:0:0:0:0:ffff:4969:6447
73.105.100.72 0:0:0:0:0:ffff:4969:6448
73.105.100.73 0:0:0:0:0:ffff:4969:6449
73.105.100.74 0:0:0:0:0:ffff:4969:644a
73.105.100.75 0:0:0:0:0:ffff:4969:644b
73.105.100.76 0:0:0:0:0:ffff:4969:644c
73.105.100.77 0:0:0:0:0:ffff:4969:644d
73.105.100.78 0:0:0:0:0:ffff:4969:644e
73.105.100.79 0:0:0:0:0:ffff:4969:644f
73.105.100.80 0:0:0:0:0:ffff:4969:6450
73.105.100.81 0:0:0:0:0:ffff:4969:6451
73.105.100.82 0:0:0:0:0:ffff:4969:6452
73.105.100.83 0:0:0:0:0:ffff:4969:6453
73.105.100.84 0:0:0:0:0:ffff:4969:6454
73.105.100.85 0:0:0:0:0:ffff:4969:6455
73.105.100.86 0:0:0:0:0:ffff:4969:6456
73.105.100.87 0:0:0:0:0:ffff:4969:6457
73.105.100.88 0:0:0:0:0:ffff:4969:6458
73.105.100.89 0:0:0:0:0:ffff:4969:6459
73.105.100.90 0:0:0:0:0:ffff:4969:645a
73.105.100.91 0:0:0:0:0:ffff:4969:645b
73.105.100.92 0:0:0:0:0:ffff:4969:645c
73.105.100.93 0:0:0:0:0:ffff:4969:645d
73.105.100.94 0:0:0:0:0:ffff:4969:645e
73.105.100.95 0:0:0:0:0:ffff:4969:645f
73.105.100.96 0:0:0:0:0:ffff:4969:6460
73.105.100.97 0:0:0:0:0:ffff:4969:6461
73.105.100.98 0:0:0:0:0:ffff:4969:6462
73.105.100.99 0:0:0:0:0:ffff:4969:6463
73.105.100.100 0:0:0:0:0:ffff:4969:6464
73.105.100.101 0:0:0:0:0:ffff:4969:6465
73.105.100.102 0:0:0:0:0:ffff:4969:6466
73.105.100.103 0:0:0:0:0:ffff:4969:6467
73.105.100.104 0:0:0:0:0:ffff:4969:6468
73.105.100.105 0:0:0:0:0:ffff:4969:6469
73.105.100.106 0:0:0:0:0:ffff:4969:646a
73.105.100.107 0:0:0:0:0:ffff:4969:646b
73.105.100.108 0:0:0:0:0:ffff:4969:646c
73.105.100.109 0:0:0:0:0:ffff:4969:646d
73.105.100.110 0:0:0:0:0:ffff:4969:646e
73.105.100.111 0:0:0:0:0:ffff:4969:646f
73.105.100.112 0:0:0:0:0:ffff:4969:6470
73.105.100.113 0:0:0:0:0:ffff:4969:6471
73.105.100.114 0:0:0:0:0:ffff:4969:6472
73.105.100.115 0:0:0:0:0:ffff:4969:6473
73.105.100.116 0:0:0:0:0:ffff:4969:6474
73.105.100.117 0:0:0:0:0:ffff:4969:6475
73.105.100.118 0:0:0:0:0:ffff:4969:6476
73.105.100.119 0:0:0:0:0:ffff:4969:6477
73.105.100.120 0:0:0:0:0:ffff:4969:6478


73.105.100.121 0:0:0:0:0:ffff:4969:6479
73.105.100.122 0:0:0:0:0:ffff:4969:647a
73.105.100.123 0:0:0:0:0:ffff:4969:647b
73.105.100.124 0:0:0:0:0:ffff:4969:647c
73.105.100.125 0:0:0:0:0:ffff:4969:647d
73.105.100.126 0:0:0:0:0:ffff:4969:647e
73.105.100.127 0:0:0:0:0:ffff:4969:647f
73.105.100.128 0:0:0:0:0:ffff:4969:6480
73.105.100.129 0:0:0:0:0:ffff:4969:6481
73.105.100.130 0:0:0:0:0:ffff:4969:6482
73.105.100.131 0:0:0:0:0:ffff:4969:6483
73.105.100.132 0:0:0:0:0:ffff:4969:6484
73.105.100.133 0:0:0:0:0:ffff:4969:6485
73.105.100.134 0:0:0:0:0:ffff:4969:6486
73.105.100.135 0:0:0:0:0:ffff:4969:6487
73.105.100.136 0:0:0:0:0:ffff:4969:6488
73.105.100.137 0:0:0:0:0:ffff:4969:6489
73.105.100.138 0:0:0:0:0:ffff:4969:648a
73.105.100.139 0:0:0:0:0:ffff:4969:648b
73.105.100.140 0:0:0:0:0:ffff:4969:648c
73.105.100.141 0:0:0:0:0:ffff:4969:648d
73.105.100.142 0:0:0:0:0:ffff:4969:648e
73.105.100.143 0:0:0:0:0:ffff:4969:648f
73.105.100.144 0:0:0:0:0:ffff:4969:6490
73.105.100.145 0:0:0:0:0:ffff:4969:6491
73.105.100.146 0:0:0:0:0:ffff:4969:6492
73.105.100.147 0:0:0:0:0:ffff:4969:6493
73.105.100.148 0:0:0:0:0:ffff:4969:6494
73.105.100.149 0:0:0:0:0:ffff:4969:6495
73.105.100.150 0:0:0:0:0:ffff:4969:6496
73.105.100.151 0:0:0:0:0:ffff:4969:6497
73.105.100.152 0:0:0:0:0:ffff:4969:6498
73.105.100.153 0:0:0:0:0:ffff:4969:6499
73.105.100.154 0:0:0:0:0:ffff:4969:649a
73.105.100.155 0:0:0:0:0:ffff:4969:649b
73.105.100.156 0:0:0:0:0:ffff:4969:649c
73.105.100.157 0:0:0:0:0:ffff:4969:649d
73.105.100.158 0:0:0:0:0:ffff:4969:649e
73.105.100.159 0:0:0:0:0:ffff:4969:649f
73.105.100.160 0:0:0:0:0:ffff:4969:64a0
73.105.100.161 0:0:0:0:0:ffff:4969:64a1
73.105.100.162 0:0:0:0:0:ffff:4969:64a2
73.105.100.163 0:0:0:0:0:ffff:4969:64a3
73.105.100.164 0:0:0:0:0:ffff:4969:64a4
73.105.100.165 0:0:0:0:0:ffff:4969:64a5
73.105.100.166 0:0:0:0:0:ffff:4969:64a6
73.105.100.167 0:0:0:0:0:ffff:4969:64a7
73.105.100.168 0:0:0:0:0:ffff:4969:64a8
73.105.100.169 0:0:0:0:0:ffff:4969:64a9
73.105.100.170 0:0:0:0:0:ffff:4969:64aa
73.105.100.171 0:0:0:0:0:ffff:4969:64ab
73.105.100.172 0:0:0:0:0:ffff:4969:64ac
73.105.100.173 0:0:0:0:0:ffff:4969:64ad
73.105.100.174 0:0:0:0:0:ffff:4969:64ae
73.105.100.175 0:0:0:0:0:ffff:4969:64af
73.105.100.176 0:0:0:0:0:ffff:4969:64b0
73.105.100.177 0:0:0:0:0:ffff:4969:64b1
73.105.100.178 0:0:0:0:0:ffff:4969:64b2
73.105.100.179 0:0:0:0:0:ffff:4969:64b3
73.105.100.180 0:0:0:0:0:ffff:4969:64b4


73.105.100.181 0:0:0:0:0:ffff:4969:64b5
73.105.100.182 0:0:0:0:0:ffff:4969:64b6
73.105.100.183 0:0:0:0:0:ffff:4969:64b7
73.105.100.184 0:0:0:0:0:ffff:4969:64b8
73.105.100.185 0:0:0:0:0:ffff:4969:64b9
73.105.100.186 0:0:0:0:0:ffff:4969:64ba
73.105.100.187 0:0:0:0:0:ffff:4969:64bb
73.105.100.188 0:0:0:0:0:ffff:4969:64bc
73.105.100.189 0:0:0:0:0:ffff:4969:64bd
73.105.100.190 0:0:0:0:0:ffff:4969:64be
73.105.100.191 0:0:0:0:0:ffff:4969:64bf
73.105.100.192 0:0:0:0:0:ffff:4969:64c0
73.105.100.193 0:0:0:0:0:ffff:4969:64c1
73.105.100.194 0:0:0:0:0:ffff:4969:64c2
73.105.100.195 0:0:0:0:0:ffff:4969:64c3
73.105.100.196 0:0:0:0:0:ffff:4969:64c4
73.105.100.197 0:0:0:0:0:ffff:4969:64c5
73.105.100.198 0:0:0:0:0:ffff:4969:64c6
73.105.100.199 0:0:0:0:0:ffff:4969:64c7
73.105.100.200 0:0:0:0:0:ffff:4969:64c8
73.105.100.201 0:0:0:0:0:ffff:4969:64c9
73.105.100.202 0:0:0:0:0:ffff:4969:64ca
73.105.100.203 0:0:0:0:0:ffff:4969:64cb
73.105.100.204 0:0:0:0:0:ffff:4969:64cc
73.105.100.205 0:0:0:0:0:ffff:4969:64cd
73.105.100.206 0:0:0:0:0:ffff:4969:64ce
73.105.100.207 0:0:0:0:0:ffff:4969:64cf
73.105.100.208 0:0:0:0:0:ffff:4969:64d0
73.105.100.209 0:0:0:0:0:ffff:4969:64d1
73.105.100.210 0:0:0:0:0:ffff:4969:64d2
73.105.100.211 0:0:0:0:0:ffff:4969:64d3
73.105.100.212 0:0:0:0:0:ffff:4969:64d4
73.105.100.213 0:0:0:0:0:ffff:4969:64d5
73.105.100.214 0:0:0:0:0:ffff:4969:64d6
73.105.100.215 0:0:0:0:0:ffff:4969:64d7
73.105.100.216 0:0:0:0:0:ffff:4969:64d8
73.105.100.217 0:0:0:0:0:ffff:4969:64d9
73.105.100.218 0:0:0:0:0:ffff:4969:64da
73.105.100.219 0:0:0:0:0:ffff:4969:64db
73.105.100.220 0:0:0:0:0:ffff:4969:64dc
73.105.100.221 0:0:0:0:0:ffff:4969:64dd
73.105.100.222 0:0:0:0:0:ffff:4969:64de
73.105.100.223 0:0:0:0:0:ffff:4969:64df
73.105.100.224 0:0:0:0:0:ffff:4969:64e0
73.105.100.225 0:0:0:0:0:ffff:4969:64e1
73.105.100.226 0:0:0:0:0:ffff:4969:64e2
73.105.100.227 0:0:0:0:0:ffff:4969:64e3
73.105.100.228 0:0:0:0:0:ffff:4969:64e4
73.105.100.229 0:0:0:0:0:ffff:4969:64e5
73.105.100.230 0:0:0:0:0:ffff:4969:64e6
73.105.100.231 0:0:0:0:0:ffff:4969:64e7
73.105.100.232 0:0:0:0:0:ffff:4969:64e8
73.105.100.233 0:0:0:0:0:ffff:4969:64e9
73.105.100.234 0:0:0:0:0:ffff:4969:64ea
73.105.100.235 0:0:0:0:0:ffff:4969:64eb
73.105.100.236 0:0:0:0:0:ffff:4969:64ec
73.105.100.237 0:0:0:0:0:ffff:4969:64ed
73.105.100.238 0:0:0:0:0:ffff:4969:64ee
73.105.100.239 0:0:0:0:0:ffff:4969:64ef
73.105.100.240 0:0:0:0:0:ffff:4969:64f0
73.105.100.241 0:0:0:0:0:ffff:4969:64f1
73.105.100.242 0:0:0:0:0:ffff:4969:64f2
73.105.100.243 0:0:0:0:0:ffff:4969:64f3
73.105.100.244 0:0:0:0:0:ffff:4969:64f4
73.105.100.245 0:0:0:0:0:ffff:4969:64f5
73.105.100.246 0:0:0:0:0:ffff:4969:64f6
73.105.100.247 0:0:0:0:0:ffff:4969:64f7
73.105.100.248 0:0:0:0:0:ffff:4969:64f8
73.105.100.249 0:0:0:0:0:ffff:4969:64f9
73.105.100.250 0:0:0:0:0:ffff:4969:64fa
73.105.100.251 0:0:0:0:0:ffff:4969:64fb
73.105.100.252 0:0:0:0:0:ffff:4969:64fc
73.105.100.253 0:0:0:0:0:ffff:4969:64fd
73.105.100.254 0:0:0:0:0:ffff:4969:64fe
73.105.100.255 0:0:0:0:0:ffff:4969:64ff


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.