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
19.73.71.1 0:0:0:0:0:ffff:1349:4701
19.73.71.2 0:0:0:0:0:ffff:1349:4702
19.73.71.3 0:0:0:0:0:ffff:1349:4703
19.73.71.4 0:0:0:0:0:ffff:1349:4704
19.73.71.5 0:0:0:0:0:ffff:1349:4705
19.73.71.6 0:0:0:0:0:ffff:1349:4706
19.73.71.7 0:0:0:0:0:ffff:1349:4707
19.73.71.8 0:0:0:0:0:ffff:1349:4708
19.73.71.9 0:0:0:0:0:ffff:1349:4709
19.73.71.10 0:0:0:0:0:ffff:1349:470a
19.73.71.11 0:0:0:0:0:ffff:1349:470b
19.73.71.12 0:0:0:0:0:ffff:1349:470c
19.73.71.13 0:0:0:0:0:ffff:1349:470d
19.73.71.14 0:0:0:0:0:ffff:1349:470e
19.73.71.15 0:0:0:0:0:ffff:1349:470f
19.73.71.16 0:0:0:0:0:ffff:1349:4710
19.73.71.17 0:0:0:0:0:ffff:1349:4711
19.73.71.18 0:0:0:0:0:ffff:1349:4712
19.73.71.19 0:0:0:0:0:ffff:1349:4713
19.73.71.20 0:0:0:0:0:ffff:1349:4714
19.73.71.21 0:0:0:0:0:ffff:1349:4715
19.73.71.22 0:0:0:0:0:ffff:1349:4716
19.73.71.23 0:0:0:0:0:ffff:1349:4717
19.73.71.24 0:0:0:0:0:ffff:1349:4718
19.73.71.25 0:0:0:0:0:ffff:1349:4719
19.73.71.26 0:0:0:0:0:ffff:1349:471a
19.73.71.27 0:0:0:0:0:ffff:1349:471b
19.73.71.28 0:0:0:0:0:ffff:1349:471c
19.73.71.29 0:0:0:0:0:ffff:1349:471d
19.73.71.30 0:0:0:0:0:ffff:1349:471e
19.73.71.31 0:0:0:0:0:ffff:1349:471f
19.73.71.32 0:0:0:0:0:ffff:1349:4720
19.73.71.33 0:0:0:0:0:ffff:1349:4721
19.73.71.34 0:0:0:0:0:ffff:1349:4722
19.73.71.35 0:0:0:0:0:ffff:1349:4723
19.73.71.36 0:0:0:0:0:ffff:1349:4724
19.73.71.37 0:0:0:0:0:ffff:1349:4725
19.73.71.38 0:0:0:0:0:ffff:1349:4726
19.73.71.39 0:0:0:0:0:ffff:1349:4727
19.73.71.40 0:0:0:0:0:ffff:1349:4728
19.73.71.41 0:0:0:0:0:ffff:1349:4729
19.73.71.42 0:0:0:0:0:ffff:1349:472a
19.73.71.43 0:0:0:0:0:ffff:1349:472b
19.73.71.44 0:0:0:0:0:ffff:1349:472c
19.73.71.45 0:0:0:0:0:ffff:1349:472d
19.73.71.46 0:0:0:0:0:ffff:1349:472e
19.73.71.47 0:0:0:0:0:ffff:1349:472f
19.73.71.48 0:0:0:0:0:ffff:1349:4730
19.73.71.49 0:0:0:0:0:ffff:1349:4731
19.73.71.50 0:0:0:0:0:ffff:1349:4732
19.73.71.51 0:0:0:0:0:ffff:1349:4733
19.73.71.52 0:0:0:0:0:ffff:1349:4734
19.73.71.53 0:0:0:0:0:ffff:1349:4735
19.73.71.54 0:0:0:0:0:ffff:1349:4736
19.73.71.55 0:0:0:0:0:ffff:1349:4737
19.73.71.56 0:0:0:0:0:ffff:1349:4738
19.73.71.57 0:0:0:0:0:ffff:1349:4739
19.73.71.58 0:0:0:0:0:ffff:1349:473a
19.73.71.59 0:0:0:0:0:ffff:1349:473b
19.73.71.60 0:0:0:0:0:ffff:1349:473c


19.73.71.61 0:0:0:0:0:ffff:1349:473d
19.73.71.62 0:0:0:0:0:ffff:1349:473e
19.73.71.63 0:0:0:0:0:ffff:1349:473f
19.73.71.64 0:0:0:0:0:ffff:1349:4740
19.73.71.65 0:0:0:0:0:ffff:1349:4741
19.73.71.66 0:0:0:0:0:ffff:1349:4742
19.73.71.67 0:0:0:0:0:ffff:1349:4743
19.73.71.68 0:0:0:0:0:ffff:1349:4744
19.73.71.69 0:0:0:0:0:ffff:1349:4745
19.73.71.70 0:0:0:0:0:ffff:1349:4746
19.73.71.71 0:0:0:0:0:ffff:1349:4747
19.73.71.72 0:0:0:0:0:ffff:1349:4748
19.73.71.73 0:0:0:0:0:ffff:1349:4749
19.73.71.74 0:0:0:0:0:ffff:1349:474a
19.73.71.75 0:0:0:0:0:ffff:1349:474b
19.73.71.76 0:0:0:0:0:ffff:1349:474c
19.73.71.77 0:0:0:0:0:ffff:1349:474d
19.73.71.78 0:0:0:0:0:ffff:1349:474e
19.73.71.79 0:0:0:0:0:ffff:1349:474f
19.73.71.80 0:0:0:0:0:ffff:1349:4750
19.73.71.81 0:0:0:0:0:ffff:1349:4751
19.73.71.82 0:0:0:0:0:ffff:1349:4752
19.73.71.83 0:0:0:0:0:ffff:1349:4753
19.73.71.84 0:0:0:0:0:ffff:1349:4754
19.73.71.85 0:0:0:0:0:ffff:1349:4755
19.73.71.86 0:0:0:0:0:ffff:1349:4756
19.73.71.87 0:0:0:0:0:ffff:1349:4757
19.73.71.88 0:0:0:0:0:ffff:1349:4758
19.73.71.89 0:0:0:0:0:ffff:1349:4759
19.73.71.90 0:0:0:0:0:ffff:1349:475a
19.73.71.91 0:0:0:0:0:ffff:1349:475b
19.73.71.92 0:0:0:0:0:ffff:1349:475c
19.73.71.93 0:0:0:0:0:ffff:1349:475d
19.73.71.94 0:0:0:0:0:ffff:1349:475e
19.73.71.95 0:0:0:0:0:ffff:1349:475f
19.73.71.96 0:0:0:0:0:ffff:1349:4760
19.73.71.97 0:0:0:0:0:ffff:1349:4761
19.73.71.98 0:0:0:0:0:ffff:1349:4762
19.73.71.99 0:0:0:0:0:ffff:1349:4763
19.73.71.100 0:0:0:0:0:ffff:1349:4764
19.73.71.101 0:0:0:0:0:ffff:1349:4765
19.73.71.102 0:0:0:0:0:ffff:1349:4766
19.73.71.103 0:0:0:0:0:ffff:1349:4767
19.73.71.104 0:0:0:0:0:ffff:1349:4768
19.73.71.105 0:0:0:0:0:ffff:1349:4769
19.73.71.106 0:0:0:0:0:ffff:1349:476a
19.73.71.107 0:0:0:0:0:ffff:1349:476b
19.73.71.108 0:0:0:0:0:ffff:1349:476c
19.73.71.109 0:0:0:0:0:ffff:1349:476d
19.73.71.110 0:0:0:0:0:ffff:1349:476e
19.73.71.111 0:0:0:0:0:ffff:1349:476f
19.73.71.112 0:0:0:0:0:ffff:1349:4770
19.73.71.113 0:0:0:0:0:ffff:1349:4771
19.73.71.114 0:0:0:0:0:ffff:1349:4772
19.73.71.115 0:0:0:0:0:ffff:1349:4773
19.73.71.116 0:0:0:0:0:ffff:1349:4774
19.73.71.117 0:0:0:0:0:ffff:1349:4775
19.73.71.118 0:0:0:0:0:ffff:1349:4776
19.73.71.119 0:0:0:0:0:ffff:1349:4777
19.73.71.120 0:0:0:0:0:ffff:1349:4778


19.73.71.121 0:0:0:0:0:ffff:1349:4779
19.73.71.122 0:0:0:0:0:ffff:1349:477a
19.73.71.123 0:0:0:0:0:ffff:1349:477b
19.73.71.124 0:0:0:0:0:ffff:1349:477c
19.73.71.125 0:0:0:0:0:ffff:1349:477d
19.73.71.126 0:0:0:0:0:ffff:1349:477e
19.73.71.127 0:0:0:0:0:ffff:1349:477f
19.73.71.128 0:0:0:0:0:ffff:1349:4780
19.73.71.129 0:0:0:0:0:ffff:1349:4781
19.73.71.130 0:0:0:0:0:ffff:1349:4782
19.73.71.131 0:0:0:0:0:ffff:1349:4783
19.73.71.132 0:0:0:0:0:ffff:1349:4784
19.73.71.133 0:0:0:0:0:ffff:1349:4785
19.73.71.134 0:0:0:0:0:ffff:1349:4786
19.73.71.135 0:0:0:0:0:ffff:1349:4787
19.73.71.136 0:0:0:0:0:ffff:1349:4788
19.73.71.137 0:0:0:0:0:ffff:1349:4789
19.73.71.138 0:0:0:0:0:ffff:1349:478a
19.73.71.139 0:0:0:0:0:ffff:1349:478b
19.73.71.140 0:0:0:0:0:ffff:1349:478c
19.73.71.141 0:0:0:0:0:ffff:1349:478d
19.73.71.142 0:0:0:0:0:ffff:1349:478e
19.73.71.143 0:0:0:0:0:ffff:1349:478f
19.73.71.144 0:0:0:0:0:ffff:1349:4790
19.73.71.145 0:0:0:0:0:ffff:1349:4791
19.73.71.146 0:0:0:0:0:ffff:1349:4792
19.73.71.147 0:0:0:0:0:ffff:1349:4793
19.73.71.148 0:0:0:0:0:ffff:1349:4794
19.73.71.149 0:0:0:0:0:ffff:1349:4795
19.73.71.150 0:0:0:0:0:ffff:1349:4796
19.73.71.151 0:0:0:0:0:ffff:1349:4797
19.73.71.152 0:0:0:0:0:ffff:1349:4798
19.73.71.153 0:0:0:0:0:ffff:1349:4799
19.73.71.154 0:0:0:0:0:ffff:1349:479a
19.73.71.155 0:0:0:0:0:ffff:1349:479b
19.73.71.156 0:0:0:0:0:ffff:1349:479c
19.73.71.157 0:0:0:0:0:ffff:1349:479d
19.73.71.158 0:0:0:0:0:ffff:1349:479e
19.73.71.159 0:0:0:0:0:ffff:1349:479f
19.73.71.160 0:0:0:0:0:ffff:1349:47a0
19.73.71.161 0:0:0:0:0:ffff:1349:47a1
19.73.71.162 0:0:0:0:0:ffff:1349:47a2
19.73.71.163 0:0:0:0:0:ffff:1349:47a3
19.73.71.164 0:0:0:0:0:ffff:1349:47a4
19.73.71.165 0:0:0:0:0:ffff:1349:47a5
19.73.71.166 0:0:0:0:0:ffff:1349:47a6
19.73.71.167 0:0:0:0:0:ffff:1349:47a7
19.73.71.168 0:0:0:0:0:ffff:1349:47a8
19.73.71.169 0:0:0:0:0:ffff:1349:47a9
19.73.71.170 0:0:0:0:0:ffff:1349:47aa
19.73.71.171 0:0:0:0:0:ffff:1349:47ab
19.73.71.172 0:0:0:0:0:ffff:1349:47ac
19.73.71.173 0:0:0:0:0:ffff:1349:47ad
19.73.71.174 0:0:0:0:0:ffff:1349:47ae
19.73.71.175 0:0:0:0:0:ffff:1349:47af
19.73.71.176 0:0:0:0:0:ffff:1349:47b0
19.73.71.177 0:0:0:0:0:ffff:1349:47b1
19.73.71.178 0:0:0:0:0:ffff:1349:47b2
19.73.71.179 0:0:0:0:0:ffff:1349:47b3
19.73.71.180 0:0:0:0:0:ffff:1349:47b4


19.73.71.181 0:0:0:0:0:ffff:1349:47b5
19.73.71.182 0:0:0:0:0:ffff:1349:47b6
19.73.71.183 0:0:0:0:0:ffff:1349:47b7
19.73.71.184 0:0:0:0:0:ffff:1349:47b8
19.73.71.185 0:0:0:0:0:ffff:1349:47b9
19.73.71.186 0:0:0:0:0:ffff:1349:47ba
19.73.71.187 0:0:0:0:0:ffff:1349:47bb
19.73.71.188 0:0:0:0:0:ffff:1349:47bc
19.73.71.189 0:0:0:0:0:ffff:1349:47bd
19.73.71.190 0:0:0:0:0:ffff:1349:47be
19.73.71.191 0:0:0:0:0:ffff:1349:47bf
19.73.71.192 0:0:0:0:0:ffff:1349:47c0
19.73.71.193 0:0:0:0:0:ffff:1349:47c1
19.73.71.194 0:0:0:0:0:ffff:1349:47c2
19.73.71.195 0:0:0:0:0:ffff:1349:47c3
19.73.71.196 0:0:0:0:0:ffff:1349:47c4
19.73.71.197 0:0:0:0:0:ffff:1349:47c5
19.73.71.198 0:0:0:0:0:ffff:1349:47c6
19.73.71.199 0:0:0:0:0:ffff:1349:47c7
19.73.71.200 0:0:0:0:0:ffff:1349:47c8
19.73.71.201 0:0:0:0:0:ffff:1349:47c9
19.73.71.202 0:0:0:0:0:ffff:1349:47ca
19.73.71.203 0:0:0:0:0:ffff:1349:47cb
19.73.71.204 0:0:0:0:0:ffff:1349:47cc
19.73.71.205 0:0:0:0:0:ffff:1349:47cd
19.73.71.206 0:0:0:0:0:ffff:1349:47ce
19.73.71.207 0:0:0:0:0:ffff:1349:47cf
19.73.71.208 0:0:0:0:0:ffff:1349:47d0
19.73.71.209 0:0:0:0:0:ffff:1349:47d1
19.73.71.210 0:0:0:0:0:ffff:1349:47d2
19.73.71.211 0:0:0:0:0:ffff:1349:47d3
19.73.71.212 0:0:0:0:0:ffff:1349:47d4
19.73.71.213 0:0:0:0:0:ffff:1349:47d5
19.73.71.214 0:0:0:0:0:ffff:1349:47d6
19.73.71.215 0:0:0:0:0:ffff:1349:47d7
19.73.71.216 0:0:0:0:0:ffff:1349:47d8
19.73.71.217 0:0:0:0:0:ffff:1349:47d9
19.73.71.218 0:0:0:0:0:ffff:1349:47da
19.73.71.219 0:0:0:0:0:ffff:1349:47db
19.73.71.220 0:0:0:0:0:ffff:1349:47dc
19.73.71.221 0:0:0:0:0:ffff:1349:47dd
19.73.71.222 0:0:0:0:0:ffff:1349:47de
19.73.71.223 0:0:0:0:0:ffff:1349:47df
19.73.71.224 0:0:0:0:0:ffff:1349:47e0
19.73.71.225 0:0:0:0:0:ffff:1349:47e1
19.73.71.226 0:0:0:0:0:ffff:1349:47e2
19.73.71.227 0:0:0:0:0:ffff:1349:47e3
19.73.71.228 0:0:0:0:0:ffff:1349:47e4
19.73.71.229 0:0:0:0:0:ffff:1349:47e5
19.73.71.230 0:0:0:0:0:ffff:1349:47e6
19.73.71.231 0:0:0:0:0:ffff:1349:47e7
19.73.71.232 0:0:0:0:0:ffff:1349:47e8
19.73.71.233 0:0:0:0:0:ffff:1349:47e9
19.73.71.234 0:0:0:0:0:ffff:1349:47ea
19.73.71.235 0:0:0:0:0:ffff:1349:47eb
19.73.71.236 0:0:0:0:0:ffff:1349:47ec
19.73.71.237 0:0:0:0:0:ffff:1349:47ed
19.73.71.238 0:0:0:0:0:ffff:1349:47ee
19.73.71.239 0:0:0:0:0:ffff:1349:47ef
19.73.71.240 0:0:0:0:0:ffff:1349:47f0
19.73.71.241 0:0:0:0:0:ffff:1349:47f1
19.73.71.242 0:0:0:0:0:ffff:1349:47f2
19.73.71.243 0:0:0:0:0:ffff:1349:47f3
19.73.71.244 0:0:0:0:0:ffff:1349:47f4
19.73.71.245 0:0:0:0:0:ffff:1349:47f5
19.73.71.246 0:0:0:0:0:ffff:1349:47f6
19.73.71.247 0:0:0:0:0:ffff:1349:47f7
19.73.71.248 0:0:0:0:0:ffff:1349:47f8
19.73.71.249 0:0:0:0:0:ffff:1349:47f9
19.73.71.250 0:0:0:0:0:ffff:1349:47fa
19.73.71.251 0:0:0:0:0:ffff:1349:47fb
19.73.71.252 0:0:0:0:0:ffff:1349:47fc
19.73.71.253 0:0:0:0:0:ffff:1349:47fd
19.73.71.254 0:0:0:0:0:ffff:1349:47fe
19.73.71.255 0:0:0:0:0:ffff:1349:47ff


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.