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
72.148.100.1 0:0:0:0:0:ffff:4894:6401
72.148.100.2 0:0:0:0:0:ffff:4894:6402
72.148.100.3 0:0:0:0:0:ffff:4894:6403
72.148.100.4 0:0:0:0:0:ffff:4894:6404
72.148.100.5 0:0:0:0:0:ffff:4894:6405
72.148.100.6 0:0:0:0:0:ffff:4894:6406
72.148.100.7 0:0:0:0:0:ffff:4894:6407
72.148.100.8 0:0:0:0:0:ffff:4894:6408
72.148.100.9 0:0:0:0:0:ffff:4894:6409
72.148.100.10 0:0:0:0:0:ffff:4894:640a
72.148.100.11 0:0:0:0:0:ffff:4894:640b
72.148.100.12 0:0:0:0:0:ffff:4894:640c
72.148.100.13 0:0:0:0:0:ffff:4894:640d
72.148.100.14 0:0:0:0:0:ffff:4894:640e
72.148.100.15 0:0:0:0:0:ffff:4894:640f
72.148.100.16 0:0:0:0:0:ffff:4894:6410
72.148.100.17 0:0:0:0:0:ffff:4894:6411
72.148.100.18 0:0:0:0:0:ffff:4894:6412
72.148.100.19 0:0:0:0:0:ffff:4894:6413
72.148.100.20 0:0:0:0:0:ffff:4894:6414
72.148.100.21 0:0:0:0:0:ffff:4894:6415
72.148.100.22 0:0:0:0:0:ffff:4894:6416
72.148.100.23 0:0:0:0:0:ffff:4894:6417
72.148.100.24 0:0:0:0:0:ffff:4894:6418
72.148.100.25 0:0:0:0:0:ffff:4894:6419
72.148.100.26 0:0:0:0:0:ffff:4894:641a
72.148.100.27 0:0:0:0:0:ffff:4894:641b
72.148.100.28 0:0:0:0:0:ffff:4894:641c
72.148.100.29 0:0:0:0:0:ffff:4894:641d
72.148.100.30 0:0:0:0:0:ffff:4894:641e
72.148.100.31 0:0:0:0:0:ffff:4894:641f
72.148.100.32 0:0:0:0:0:ffff:4894:6420
72.148.100.33 0:0:0:0:0:ffff:4894:6421
72.148.100.34 0:0:0:0:0:ffff:4894:6422
72.148.100.35 0:0:0:0:0:ffff:4894:6423
72.148.100.36 0:0:0:0:0:ffff:4894:6424
72.148.100.37 0:0:0:0:0:ffff:4894:6425
72.148.100.38 0:0:0:0:0:ffff:4894:6426
72.148.100.39 0:0:0:0:0:ffff:4894:6427
72.148.100.40 0:0:0:0:0:ffff:4894:6428
72.148.100.41 0:0:0:0:0:ffff:4894:6429
72.148.100.42 0:0:0:0:0:ffff:4894:642a
72.148.100.43 0:0:0:0:0:ffff:4894:642b
72.148.100.44 0:0:0:0:0:ffff:4894:642c
72.148.100.45 0:0:0:0:0:ffff:4894:642d
72.148.100.46 0:0:0:0:0:ffff:4894:642e
72.148.100.47 0:0:0:0:0:ffff:4894:642f
72.148.100.48 0:0:0:0:0:ffff:4894:6430
72.148.100.49 0:0:0:0:0:ffff:4894:6431
72.148.100.50 0:0:0:0:0:ffff:4894:6432
72.148.100.51 0:0:0:0:0:ffff:4894:6433
72.148.100.52 0:0:0:0:0:ffff:4894:6434
72.148.100.53 0:0:0:0:0:ffff:4894:6435
72.148.100.54 0:0:0:0:0:ffff:4894:6436
72.148.100.55 0:0:0:0:0:ffff:4894:6437
72.148.100.56 0:0:0:0:0:ffff:4894:6438
72.148.100.57 0:0:0:0:0:ffff:4894:6439
72.148.100.58 0:0:0:0:0:ffff:4894:643a
72.148.100.59 0:0:0:0:0:ffff:4894:643b
72.148.100.60 0:0:0:0:0:ffff:4894:643c


72.148.100.61 0:0:0:0:0:ffff:4894:643d
72.148.100.62 0:0:0:0:0:ffff:4894:643e
72.148.100.63 0:0:0:0:0:ffff:4894:643f
72.148.100.64 0:0:0:0:0:ffff:4894:6440
72.148.100.65 0:0:0:0:0:ffff:4894:6441
72.148.100.66 0:0:0:0:0:ffff:4894:6442
72.148.100.67 0:0:0:0:0:ffff:4894:6443
72.148.100.68 0:0:0:0:0:ffff:4894:6444
72.148.100.69 0:0:0:0:0:ffff:4894:6445
72.148.100.70 0:0:0:0:0:ffff:4894:6446
72.148.100.71 0:0:0:0:0:ffff:4894:6447
72.148.100.72 0:0:0:0:0:ffff:4894:6448
72.148.100.73 0:0:0:0:0:ffff:4894:6449
72.148.100.74 0:0:0:0:0:ffff:4894:644a
72.148.100.75 0:0:0:0:0:ffff:4894:644b
72.148.100.76 0:0:0:0:0:ffff:4894:644c
72.148.100.77 0:0:0:0:0:ffff:4894:644d
72.148.100.78 0:0:0:0:0:ffff:4894:644e
72.148.100.79 0:0:0:0:0:ffff:4894:644f
72.148.100.80 0:0:0:0:0:ffff:4894:6450
72.148.100.81 0:0:0:0:0:ffff:4894:6451
72.148.100.82 0:0:0:0:0:ffff:4894:6452
72.148.100.83 0:0:0:0:0:ffff:4894:6453
72.148.100.84 0:0:0:0:0:ffff:4894:6454
72.148.100.85 0:0:0:0:0:ffff:4894:6455
72.148.100.86 0:0:0:0:0:ffff:4894:6456
72.148.100.87 0:0:0:0:0:ffff:4894:6457
72.148.100.88 0:0:0:0:0:ffff:4894:6458
72.148.100.89 0:0:0:0:0:ffff:4894:6459
72.148.100.90 0:0:0:0:0:ffff:4894:645a
72.148.100.91 0:0:0:0:0:ffff:4894:645b
72.148.100.92 0:0:0:0:0:ffff:4894:645c
72.148.100.93 0:0:0:0:0:ffff:4894:645d
72.148.100.94 0:0:0:0:0:ffff:4894:645e
72.148.100.95 0:0:0:0:0:ffff:4894:645f
72.148.100.96 0:0:0:0:0:ffff:4894:6460
72.148.100.97 0:0:0:0:0:ffff:4894:6461
72.148.100.98 0:0:0:0:0:ffff:4894:6462
72.148.100.99 0:0:0:0:0:ffff:4894:6463
72.148.100.100 0:0:0:0:0:ffff:4894:6464
72.148.100.101 0:0:0:0:0:ffff:4894:6465
72.148.100.102 0:0:0:0:0:ffff:4894:6466
72.148.100.103 0:0:0:0:0:ffff:4894:6467
72.148.100.104 0:0:0:0:0:ffff:4894:6468
72.148.100.105 0:0:0:0:0:ffff:4894:6469
72.148.100.106 0:0:0:0:0:ffff:4894:646a
72.148.100.107 0:0:0:0:0:ffff:4894:646b
72.148.100.108 0:0:0:0:0:ffff:4894:646c
72.148.100.109 0:0:0:0:0:ffff:4894:646d
72.148.100.110 0:0:0:0:0:ffff:4894:646e
72.148.100.111 0:0:0:0:0:ffff:4894:646f
72.148.100.112 0:0:0:0:0:ffff:4894:6470
72.148.100.113 0:0:0:0:0:ffff:4894:6471
72.148.100.114 0:0:0:0:0:ffff:4894:6472
72.148.100.115 0:0:0:0:0:ffff:4894:6473
72.148.100.116 0:0:0:0:0:ffff:4894:6474
72.148.100.117 0:0:0:0:0:ffff:4894:6475
72.148.100.118 0:0:0:0:0:ffff:4894:6476
72.148.100.119 0:0:0:0:0:ffff:4894:6477
72.148.100.120 0:0:0:0:0:ffff:4894:6478


72.148.100.121 0:0:0:0:0:ffff:4894:6479
72.148.100.122 0:0:0:0:0:ffff:4894:647a
72.148.100.123 0:0:0:0:0:ffff:4894:647b
72.148.100.124 0:0:0:0:0:ffff:4894:647c
72.148.100.125 0:0:0:0:0:ffff:4894:647d
72.148.100.126 0:0:0:0:0:ffff:4894:647e
72.148.100.127 0:0:0:0:0:ffff:4894:647f
72.148.100.128 0:0:0:0:0:ffff:4894:6480
72.148.100.129 0:0:0:0:0:ffff:4894:6481
72.148.100.130 0:0:0:0:0:ffff:4894:6482
72.148.100.131 0:0:0:0:0:ffff:4894:6483
72.148.100.132 0:0:0:0:0:ffff:4894:6484
72.148.100.133 0:0:0:0:0:ffff:4894:6485
72.148.100.134 0:0:0:0:0:ffff:4894:6486
72.148.100.135 0:0:0:0:0:ffff:4894:6487
72.148.100.136 0:0:0:0:0:ffff:4894:6488
72.148.100.137 0:0:0:0:0:ffff:4894:6489
72.148.100.138 0:0:0:0:0:ffff:4894:648a
72.148.100.139 0:0:0:0:0:ffff:4894:648b
72.148.100.140 0:0:0:0:0:ffff:4894:648c
72.148.100.141 0:0:0:0:0:ffff:4894:648d
72.148.100.142 0:0:0:0:0:ffff:4894:648e
72.148.100.143 0:0:0:0:0:ffff:4894:648f
72.148.100.144 0:0:0:0:0:ffff:4894:6490
72.148.100.145 0:0:0:0:0:ffff:4894:6491
72.148.100.146 0:0:0:0:0:ffff:4894:6492
72.148.100.147 0:0:0:0:0:ffff:4894:6493
72.148.100.148 0:0:0:0:0:ffff:4894:6494
72.148.100.149 0:0:0:0:0:ffff:4894:6495
72.148.100.150 0:0:0:0:0:ffff:4894:6496
72.148.100.151 0:0:0:0:0:ffff:4894:6497
72.148.100.152 0:0:0:0:0:ffff:4894:6498
72.148.100.153 0:0:0:0:0:ffff:4894:6499
72.148.100.154 0:0:0:0:0:ffff:4894:649a
72.148.100.155 0:0:0:0:0:ffff:4894:649b
72.148.100.156 0:0:0:0:0:ffff:4894:649c
72.148.100.157 0:0:0:0:0:ffff:4894:649d
72.148.100.158 0:0:0:0:0:ffff:4894:649e
72.148.100.159 0:0:0:0:0:ffff:4894:649f
72.148.100.160 0:0:0:0:0:ffff:4894:64a0
72.148.100.161 0:0:0:0:0:ffff:4894:64a1
72.148.100.162 0:0:0:0:0:ffff:4894:64a2
72.148.100.163 0:0:0:0:0:ffff:4894:64a3
72.148.100.164 0:0:0:0:0:ffff:4894:64a4
72.148.100.165 0:0:0:0:0:ffff:4894:64a5
72.148.100.166 0:0:0:0:0:ffff:4894:64a6
72.148.100.167 0:0:0:0:0:ffff:4894:64a7
72.148.100.168 0:0:0:0:0:ffff:4894:64a8
72.148.100.169 0:0:0:0:0:ffff:4894:64a9
72.148.100.170 0:0:0:0:0:ffff:4894:64aa
72.148.100.171 0:0:0:0:0:ffff:4894:64ab
72.148.100.172 0:0:0:0:0:ffff:4894:64ac
72.148.100.173 0:0:0:0:0:ffff:4894:64ad
72.148.100.174 0:0:0:0:0:ffff:4894:64ae
72.148.100.175 0:0:0:0:0:ffff:4894:64af
72.148.100.176 0:0:0:0:0:ffff:4894:64b0
72.148.100.177 0:0:0:0:0:ffff:4894:64b1
72.148.100.178 0:0:0:0:0:ffff:4894:64b2
72.148.100.179 0:0:0:0:0:ffff:4894:64b3
72.148.100.180 0:0:0:0:0:ffff:4894:64b4


72.148.100.181 0:0:0:0:0:ffff:4894:64b5
72.148.100.182 0:0:0:0:0:ffff:4894:64b6
72.148.100.183 0:0:0:0:0:ffff:4894:64b7
72.148.100.184 0:0:0:0:0:ffff:4894:64b8
72.148.100.185 0:0:0:0:0:ffff:4894:64b9
72.148.100.186 0:0:0:0:0:ffff:4894:64ba
72.148.100.187 0:0:0:0:0:ffff:4894:64bb
72.148.100.188 0:0:0:0:0:ffff:4894:64bc
72.148.100.189 0:0:0:0:0:ffff:4894:64bd
72.148.100.190 0:0:0:0:0:ffff:4894:64be
72.148.100.191 0:0:0:0:0:ffff:4894:64bf
72.148.100.192 0:0:0:0:0:ffff:4894:64c0
72.148.100.193 0:0:0:0:0:ffff:4894:64c1
72.148.100.194 0:0:0:0:0:ffff:4894:64c2
72.148.100.195 0:0:0:0:0:ffff:4894:64c3
72.148.100.196 0:0:0:0:0:ffff:4894:64c4
72.148.100.197 0:0:0:0:0:ffff:4894:64c5
72.148.100.198 0:0:0:0:0:ffff:4894:64c6
72.148.100.199 0:0:0:0:0:ffff:4894:64c7
72.148.100.200 0:0:0:0:0:ffff:4894:64c8
72.148.100.201 0:0:0:0:0:ffff:4894:64c9
72.148.100.202 0:0:0:0:0:ffff:4894:64ca
72.148.100.203 0:0:0:0:0:ffff:4894:64cb
72.148.100.204 0:0:0:0:0:ffff:4894:64cc
72.148.100.205 0:0:0:0:0:ffff:4894:64cd
72.148.100.206 0:0:0:0:0:ffff:4894:64ce
72.148.100.207 0:0:0:0:0:ffff:4894:64cf
72.148.100.208 0:0:0:0:0:ffff:4894:64d0
72.148.100.209 0:0:0:0:0:ffff:4894:64d1
72.148.100.210 0:0:0:0:0:ffff:4894:64d2
72.148.100.211 0:0:0:0:0:ffff:4894:64d3
72.148.100.212 0:0:0:0:0:ffff:4894:64d4
72.148.100.213 0:0:0:0:0:ffff:4894:64d5
72.148.100.214 0:0:0:0:0:ffff:4894:64d6
72.148.100.215 0:0:0:0:0:ffff:4894:64d7
72.148.100.216 0:0:0:0:0:ffff:4894:64d8
72.148.100.217 0:0:0:0:0:ffff:4894:64d9
72.148.100.218 0:0:0:0:0:ffff:4894:64da
72.148.100.219 0:0:0:0:0:ffff:4894:64db
72.148.100.220 0:0:0:0:0:ffff:4894:64dc
72.148.100.221 0:0:0:0:0:ffff:4894:64dd
72.148.100.222 0:0:0:0:0:ffff:4894:64de
72.148.100.223 0:0:0:0:0:ffff:4894:64df
72.148.100.224 0:0:0:0:0:ffff:4894:64e0
72.148.100.225 0:0:0:0:0:ffff:4894:64e1
72.148.100.226 0:0:0:0:0:ffff:4894:64e2
72.148.100.227 0:0:0:0:0:ffff:4894:64e3
72.148.100.228 0:0:0:0:0:ffff:4894:64e4
72.148.100.229 0:0:0:0:0:ffff:4894:64e5
72.148.100.230 0:0:0:0:0:ffff:4894:64e6
72.148.100.231 0:0:0:0:0:ffff:4894:64e7
72.148.100.232 0:0:0:0:0:ffff:4894:64e8
72.148.100.233 0:0:0:0:0:ffff:4894:64e9
72.148.100.234 0:0:0:0:0:ffff:4894:64ea
72.148.100.235 0:0:0:0:0:ffff:4894:64eb
72.148.100.236 0:0:0:0:0:ffff:4894:64ec
72.148.100.237 0:0:0:0:0:ffff:4894:64ed
72.148.100.238 0:0:0:0:0:ffff:4894:64ee
72.148.100.239 0:0:0:0:0:ffff:4894:64ef
72.148.100.240 0:0:0:0:0:ffff:4894:64f0
72.148.100.241 0:0:0:0:0:ffff:4894:64f1
72.148.100.242 0:0:0:0:0:ffff:4894:64f2
72.148.100.243 0:0:0:0:0:ffff:4894:64f3
72.148.100.244 0:0:0:0:0:ffff:4894:64f4
72.148.100.245 0:0:0:0:0:ffff:4894:64f5
72.148.100.246 0:0:0:0:0:ffff:4894:64f6
72.148.100.247 0:0:0:0:0:ffff:4894:64f7
72.148.100.248 0:0:0:0:0:ffff:4894:64f8
72.148.100.249 0:0:0:0:0:ffff:4894:64f9
72.148.100.250 0:0:0:0:0:ffff:4894:64fa
72.148.100.251 0:0:0:0:0:ffff:4894:64fb
72.148.100.252 0:0:0:0:0:ffff:4894:64fc
72.148.100.253 0:0:0:0:0:ffff:4894:64fd
72.148.100.254 0:0:0:0:0:ffff:4894:64fe
72.148.100.255 0:0:0:0:0:ffff:4894:64ff


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.