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
127.73.100.1 0:0:0:0:0:ffff:7f49:6401
127.73.100.2 0:0:0:0:0:ffff:7f49:6402
127.73.100.3 0:0:0:0:0:ffff:7f49:6403
127.73.100.4 0:0:0:0:0:ffff:7f49:6404
127.73.100.5 0:0:0:0:0:ffff:7f49:6405
127.73.100.6 0:0:0:0:0:ffff:7f49:6406
127.73.100.7 0:0:0:0:0:ffff:7f49:6407
127.73.100.8 0:0:0:0:0:ffff:7f49:6408
127.73.100.9 0:0:0:0:0:ffff:7f49:6409
127.73.100.10 0:0:0:0:0:ffff:7f49:640a
127.73.100.11 0:0:0:0:0:ffff:7f49:640b
127.73.100.12 0:0:0:0:0:ffff:7f49:640c
127.73.100.13 0:0:0:0:0:ffff:7f49:640d
127.73.100.14 0:0:0:0:0:ffff:7f49:640e
127.73.100.15 0:0:0:0:0:ffff:7f49:640f
127.73.100.16 0:0:0:0:0:ffff:7f49:6410
127.73.100.17 0:0:0:0:0:ffff:7f49:6411
127.73.100.18 0:0:0:0:0:ffff:7f49:6412
127.73.100.19 0:0:0:0:0:ffff:7f49:6413
127.73.100.20 0:0:0:0:0:ffff:7f49:6414
127.73.100.21 0:0:0:0:0:ffff:7f49:6415
127.73.100.22 0:0:0:0:0:ffff:7f49:6416
127.73.100.23 0:0:0:0:0:ffff:7f49:6417
127.73.100.24 0:0:0:0:0:ffff:7f49:6418
127.73.100.25 0:0:0:0:0:ffff:7f49:6419
127.73.100.26 0:0:0:0:0:ffff:7f49:641a
127.73.100.27 0:0:0:0:0:ffff:7f49:641b
127.73.100.28 0:0:0:0:0:ffff:7f49:641c
127.73.100.29 0:0:0:0:0:ffff:7f49:641d
127.73.100.30 0:0:0:0:0:ffff:7f49:641e
127.73.100.31 0:0:0:0:0:ffff:7f49:641f
127.73.100.32 0:0:0:0:0:ffff:7f49:6420
127.73.100.33 0:0:0:0:0:ffff:7f49:6421
127.73.100.34 0:0:0:0:0:ffff:7f49:6422
127.73.100.35 0:0:0:0:0:ffff:7f49:6423
127.73.100.36 0:0:0:0:0:ffff:7f49:6424
127.73.100.37 0:0:0:0:0:ffff:7f49:6425
127.73.100.38 0:0:0:0:0:ffff:7f49:6426
127.73.100.39 0:0:0:0:0:ffff:7f49:6427
127.73.100.40 0:0:0:0:0:ffff:7f49:6428
127.73.100.41 0:0:0:0:0:ffff:7f49:6429
127.73.100.42 0:0:0:0:0:ffff:7f49:642a
127.73.100.43 0:0:0:0:0:ffff:7f49:642b
127.73.100.44 0:0:0:0:0:ffff:7f49:642c
127.73.100.45 0:0:0:0:0:ffff:7f49:642d
127.73.100.46 0:0:0:0:0:ffff:7f49:642e
127.73.100.47 0:0:0:0:0:ffff:7f49:642f
127.73.100.48 0:0:0:0:0:ffff:7f49:6430
127.73.100.49 0:0:0:0:0:ffff:7f49:6431
127.73.100.50 0:0:0:0:0:ffff:7f49:6432
127.73.100.51 0:0:0:0:0:ffff:7f49:6433
127.73.100.52 0:0:0:0:0:ffff:7f49:6434
127.73.100.53 0:0:0:0:0:ffff:7f49:6435
127.73.100.54 0:0:0:0:0:ffff:7f49:6436
127.73.100.55 0:0:0:0:0:ffff:7f49:6437
127.73.100.56 0:0:0:0:0:ffff:7f49:6438
127.73.100.57 0:0:0:0:0:ffff:7f49:6439
127.73.100.58 0:0:0:0:0:ffff:7f49:643a
127.73.100.59 0:0:0:0:0:ffff:7f49:643b
127.73.100.60 0:0:0:0:0:ffff:7f49:643c


127.73.100.61 0:0:0:0:0:ffff:7f49:643d
127.73.100.62 0:0:0:0:0:ffff:7f49:643e
127.73.100.63 0:0:0:0:0:ffff:7f49:643f
127.73.100.64 0:0:0:0:0:ffff:7f49:6440
127.73.100.65 0:0:0:0:0:ffff:7f49:6441
127.73.100.66 0:0:0:0:0:ffff:7f49:6442
127.73.100.67 0:0:0:0:0:ffff:7f49:6443
127.73.100.68 0:0:0:0:0:ffff:7f49:6444
127.73.100.69 0:0:0:0:0:ffff:7f49:6445
127.73.100.70 0:0:0:0:0:ffff:7f49:6446
127.73.100.71 0:0:0:0:0:ffff:7f49:6447
127.73.100.72 0:0:0:0:0:ffff:7f49:6448
127.73.100.73 0:0:0:0:0:ffff:7f49:6449
127.73.100.74 0:0:0:0:0:ffff:7f49:644a
127.73.100.75 0:0:0:0:0:ffff:7f49:644b
127.73.100.76 0:0:0:0:0:ffff:7f49:644c
127.73.100.77 0:0:0:0:0:ffff:7f49:644d
127.73.100.78 0:0:0:0:0:ffff:7f49:644e
127.73.100.79 0:0:0:0:0:ffff:7f49:644f
127.73.100.80 0:0:0:0:0:ffff:7f49:6450
127.73.100.81 0:0:0:0:0:ffff:7f49:6451
127.73.100.82 0:0:0:0:0:ffff:7f49:6452
127.73.100.83 0:0:0:0:0:ffff:7f49:6453
127.73.100.84 0:0:0:0:0:ffff:7f49:6454
127.73.100.85 0:0:0:0:0:ffff:7f49:6455
127.73.100.86 0:0:0:0:0:ffff:7f49:6456
127.73.100.87 0:0:0:0:0:ffff:7f49:6457
127.73.100.88 0:0:0:0:0:ffff:7f49:6458
127.73.100.89 0:0:0:0:0:ffff:7f49:6459
127.73.100.90 0:0:0:0:0:ffff:7f49:645a
127.73.100.91 0:0:0:0:0:ffff:7f49:645b
127.73.100.92 0:0:0:0:0:ffff:7f49:645c
127.73.100.93 0:0:0:0:0:ffff:7f49:645d
127.73.100.94 0:0:0:0:0:ffff:7f49:645e
127.73.100.95 0:0:0:0:0:ffff:7f49:645f
127.73.100.96 0:0:0:0:0:ffff:7f49:6460
127.73.100.97 0:0:0:0:0:ffff:7f49:6461
127.73.100.98 0:0:0:0:0:ffff:7f49:6462
127.73.100.99 0:0:0:0:0:ffff:7f49:6463
127.73.100.100 0:0:0:0:0:ffff:7f49:6464
127.73.100.101 0:0:0:0:0:ffff:7f49:6465
127.73.100.102 0:0:0:0:0:ffff:7f49:6466
127.73.100.103 0:0:0:0:0:ffff:7f49:6467
127.73.100.104 0:0:0:0:0:ffff:7f49:6468
127.73.100.105 0:0:0:0:0:ffff:7f49:6469
127.73.100.106 0:0:0:0:0:ffff:7f49:646a
127.73.100.107 0:0:0:0:0:ffff:7f49:646b
127.73.100.108 0:0:0:0:0:ffff:7f49:646c
127.73.100.109 0:0:0:0:0:ffff:7f49:646d
127.73.100.110 0:0:0:0:0:ffff:7f49:646e
127.73.100.111 0:0:0:0:0:ffff:7f49:646f
127.73.100.112 0:0:0:0:0:ffff:7f49:6470
127.73.100.113 0:0:0:0:0:ffff:7f49:6471
127.73.100.114 0:0:0:0:0:ffff:7f49:6472
127.73.100.115 0:0:0:0:0:ffff:7f49:6473
127.73.100.116 0:0:0:0:0:ffff:7f49:6474
127.73.100.117 0:0:0:0:0:ffff:7f49:6475
127.73.100.118 0:0:0:0:0:ffff:7f49:6476
127.73.100.119 0:0:0:0:0:ffff:7f49:6477
127.73.100.120 0:0:0:0:0:ffff:7f49:6478


127.73.100.121 0:0:0:0:0:ffff:7f49:6479
127.73.100.122 0:0:0:0:0:ffff:7f49:647a
127.73.100.123 0:0:0:0:0:ffff:7f49:647b
127.73.100.124 0:0:0:0:0:ffff:7f49:647c
127.73.100.125 0:0:0:0:0:ffff:7f49:647d
127.73.100.126 0:0:0:0:0:ffff:7f49:647e
127.73.100.127 0:0:0:0:0:ffff:7f49:647f
127.73.100.128 0:0:0:0:0:ffff:7f49:6480
127.73.100.129 0:0:0:0:0:ffff:7f49:6481
127.73.100.130 0:0:0:0:0:ffff:7f49:6482
127.73.100.131 0:0:0:0:0:ffff:7f49:6483
127.73.100.132 0:0:0:0:0:ffff:7f49:6484
127.73.100.133 0:0:0:0:0:ffff:7f49:6485
127.73.100.134 0:0:0:0:0:ffff:7f49:6486
127.73.100.135 0:0:0:0:0:ffff:7f49:6487
127.73.100.136 0:0:0:0:0:ffff:7f49:6488
127.73.100.137 0:0:0:0:0:ffff:7f49:6489
127.73.100.138 0:0:0:0:0:ffff:7f49:648a
127.73.100.139 0:0:0:0:0:ffff:7f49:648b
127.73.100.140 0:0:0:0:0:ffff:7f49:648c
127.73.100.141 0:0:0:0:0:ffff:7f49:648d
127.73.100.142 0:0:0:0:0:ffff:7f49:648e
127.73.100.143 0:0:0:0:0:ffff:7f49:648f
127.73.100.144 0:0:0:0:0:ffff:7f49:6490
127.73.100.145 0:0:0:0:0:ffff:7f49:6491
127.73.100.146 0:0:0:0:0:ffff:7f49:6492
127.73.100.147 0:0:0:0:0:ffff:7f49:6493
127.73.100.148 0:0:0:0:0:ffff:7f49:6494
127.73.100.149 0:0:0:0:0:ffff:7f49:6495
127.73.100.150 0:0:0:0:0:ffff:7f49:6496
127.73.100.151 0:0:0:0:0:ffff:7f49:6497
127.73.100.152 0:0:0:0:0:ffff:7f49:6498
127.73.100.153 0:0:0:0:0:ffff:7f49:6499
127.73.100.154 0:0:0:0:0:ffff:7f49:649a
127.73.100.155 0:0:0:0:0:ffff:7f49:649b
127.73.100.156 0:0:0:0:0:ffff:7f49:649c
127.73.100.157 0:0:0:0:0:ffff:7f49:649d
127.73.100.158 0:0:0:0:0:ffff:7f49:649e
127.73.100.159 0:0:0:0:0:ffff:7f49:649f
127.73.100.160 0:0:0:0:0:ffff:7f49:64a0
127.73.100.161 0:0:0:0:0:ffff:7f49:64a1
127.73.100.162 0:0:0:0:0:ffff:7f49:64a2
127.73.100.163 0:0:0:0:0:ffff:7f49:64a3
127.73.100.164 0:0:0:0:0:ffff:7f49:64a4
127.73.100.165 0:0:0:0:0:ffff:7f49:64a5
127.73.100.166 0:0:0:0:0:ffff:7f49:64a6
127.73.100.167 0:0:0:0:0:ffff:7f49:64a7
127.73.100.168 0:0:0:0:0:ffff:7f49:64a8
127.73.100.169 0:0:0:0:0:ffff:7f49:64a9
127.73.100.170 0:0:0:0:0:ffff:7f49:64aa
127.73.100.171 0:0:0:0:0:ffff:7f49:64ab
127.73.100.172 0:0:0:0:0:ffff:7f49:64ac
127.73.100.173 0:0:0:0:0:ffff:7f49:64ad
127.73.100.174 0:0:0:0:0:ffff:7f49:64ae
127.73.100.175 0:0:0:0:0:ffff:7f49:64af
127.73.100.176 0:0:0:0:0:ffff:7f49:64b0
127.73.100.177 0:0:0:0:0:ffff:7f49:64b1
127.73.100.178 0:0:0:0:0:ffff:7f49:64b2
127.73.100.179 0:0:0:0:0:ffff:7f49:64b3
127.73.100.180 0:0:0:0:0:ffff:7f49:64b4


127.73.100.181 0:0:0:0:0:ffff:7f49:64b5
127.73.100.182 0:0:0:0:0:ffff:7f49:64b6
127.73.100.183 0:0:0:0:0:ffff:7f49:64b7
127.73.100.184 0:0:0:0:0:ffff:7f49:64b8
127.73.100.185 0:0:0:0:0:ffff:7f49:64b9
127.73.100.186 0:0:0:0:0:ffff:7f49:64ba
127.73.100.187 0:0:0:0:0:ffff:7f49:64bb
127.73.100.188 0:0:0:0:0:ffff:7f49:64bc
127.73.100.189 0:0:0:0:0:ffff:7f49:64bd
127.73.100.190 0:0:0:0:0:ffff:7f49:64be
127.73.100.191 0:0:0:0:0:ffff:7f49:64bf
127.73.100.192 0:0:0:0:0:ffff:7f49:64c0
127.73.100.193 0:0:0:0:0:ffff:7f49:64c1
127.73.100.194 0:0:0:0:0:ffff:7f49:64c2
127.73.100.195 0:0:0:0:0:ffff:7f49:64c3
127.73.100.196 0:0:0:0:0:ffff:7f49:64c4
127.73.100.197 0:0:0:0:0:ffff:7f49:64c5
127.73.100.198 0:0:0:0:0:ffff:7f49:64c6
127.73.100.199 0:0:0:0:0:ffff:7f49:64c7
127.73.100.200 0:0:0:0:0:ffff:7f49:64c8
127.73.100.201 0:0:0:0:0:ffff:7f49:64c9
127.73.100.202 0:0:0:0:0:ffff:7f49:64ca
127.73.100.203 0:0:0:0:0:ffff:7f49:64cb
127.73.100.204 0:0:0:0:0:ffff:7f49:64cc
127.73.100.205 0:0:0:0:0:ffff:7f49:64cd
127.73.100.206 0:0:0:0:0:ffff:7f49:64ce
127.73.100.207 0:0:0:0:0:ffff:7f49:64cf
127.73.100.208 0:0:0:0:0:ffff:7f49:64d0
127.73.100.209 0:0:0:0:0:ffff:7f49:64d1
127.73.100.210 0:0:0:0:0:ffff:7f49:64d2
127.73.100.211 0:0:0:0:0:ffff:7f49:64d3
127.73.100.212 0:0:0:0:0:ffff:7f49:64d4
127.73.100.213 0:0:0:0:0:ffff:7f49:64d5
127.73.100.214 0:0:0:0:0:ffff:7f49:64d6
127.73.100.215 0:0:0:0:0:ffff:7f49:64d7
127.73.100.216 0:0:0:0:0:ffff:7f49:64d8
127.73.100.217 0:0:0:0:0:ffff:7f49:64d9
127.73.100.218 0:0:0:0:0:ffff:7f49:64da
127.73.100.219 0:0:0:0:0:ffff:7f49:64db
127.73.100.220 0:0:0:0:0:ffff:7f49:64dc
127.73.100.221 0:0:0:0:0:ffff:7f49:64dd
127.73.100.222 0:0:0:0:0:ffff:7f49:64de
127.73.100.223 0:0:0:0:0:ffff:7f49:64df
127.73.100.224 0:0:0:0:0:ffff:7f49:64e0
127.73.100.225 0:0:0:0:0:ffff:7f49:64e1
127.73.100.226 0:0:0:0:0:ffff:7f49:64e2
127.73.100.227 0:0:0:0:0:ffff:7f49:64e3
127.73.100.228 0:0:0:0:0:ffff:7f49:64e4
127.73.100.229 0:0:0:0:0:ffff:7f49:64e5
127.73.100.230 0:0:0:0:0:ffff:7f49:64e6
127.73.100.231 0:0:0:0:0:ffff:7f49:64e7
127.73.100.232 0:0:0:0:0:ffff:7f49:64e8
127.73.100.233 0:0:0:0:0:ffff:7f49:64e9
127.73.100.234 0:0:0:0:0:ffff:7f49:64ea
127.73.100.235 0:0:0:0:0:ffff:7f49:64eb
127.73.100.236 0:0:0:0:0:ffff:7f49:64ec
127.73.100.237 0:0:0:0:0:ffff:7f49:64ed
127.73.100.238 0:0:0:0:0:ffff:7f49:64ee
127.73.100.239 0:0:0:0:0:ffff:7f49:64ef
127.73.100.240 0:0:0:0:0:ffff:7f49:64f0
127.73.100.241 0:0:0:0:0:ffff:7f49:64f1
127.73.100.242 0:0:0:0:0:ffff:7f49:64f2
127.73.100.243 0:0:0:0:0:ffff:7f49:64f3
127.73.100.244 0:0:0:0:0:ffff:7f49:64f4
127.73.100.245 0:0:0:0:0:ffff:7f49:64f5
127.73.100.246 0:0:0:0:0:ffff:7f49:64f6
127.73.100.247 0:0:0:0:0:ffff:7f49:64f7
127.73.100.248 0:0:0:0:0:ffff:7f49:64f8
127.73.100.249 0:0:0:0:0:ffff:7f49:64f9
127.73.100.250 0:0:0:0:0:ffff:7f49:64fa
127.73.100.251 0:0:0:0:0:ffff:7f49:64fb
127.73.100.252 0:0:0:0:0:ffff:7f49:64fc
127.73.100.253 0:0:0:0:0:ffff:7f49:64fd
127.73.100.254 0:0:0:0:0:ffff:7f49:64fe
127.73.100.255 0:0:0:0:0:ffff:7f49:64ff


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.