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
127.73.71.1 0:0:0:0:0:ffff:7f49:4701
127.73.71.2 0:0:0:0:0:ffff:7f49:4702
127.73.71.3 0:0:0:0:0:ffff:7f49:4703
127.73.71.4 0:0:0:0:0:ffff:7f49:4704
127.73.71.5 0:0:0:0:0:ffff:7f49:4705
127.73.71.6 0:0:0:0:0:ffff:7f49:4706
127.73.71.7 0:0:0:0:0:ffff:7f49:4707
127.73.71.8 0:0:0:0:0:ffff:7f49:4708
127.73.71.9 0:0:0:0:0:ffff:7f49:4709
127.73.71.10 0:0:0:0:0:ffff:7f49:470a
127.73.71.11 0:0:0:0:0:ffff:7f49:470b
127.73.71.12 0:0:0:0:0:ffff:7f49:470c
127.73.71.13 0:0:0:0:0:ffff:7f49:470d
127.73.71.14 0:0:0:0:0:ffff:7f49:470e
127.73.71.15 0:0:0:0:0:ffff:7f49:470f
127.73.71.16 0:0:0:0:0:ffff:7f49:4710
127.73.71.17 0:0:0:0:0:ffff:7f49:4711
127.73.71.18 0:0:0:0:0:ffff:7f49:4712
127.73.71.19 0:0:0:0:0:ffff:7f49:4713
127.73.71.20 0:0:0:0:0:ffff:7f49:4714
127.73.71.21 0:0:0:0:0:ffff:7f49:4715
127.73.71.22 0:0:0:0:0:ffff:7f49:4716
127.73.71.23 0:0:0:0:0:ffff:7f49:4717
127.73.71.24 0:0:0:0:0:ffff:7f49:4718
127.73.71.25 0:0:0:0:0:ffff:7f49:4719
127.73.71.26 0:0:0:0:0:ffff:7f49:471a
127.73.71.27 0:0:0:0:0:ffff:7f49:471b
127.73.71.28 0:0:0:0:0:ffff:7f49:471c
127.73.71.29 0:0:0:0:0:ffff:7f49:471d
127.73.71.30 0:0:0:0:0:ffff:7f49:471e
127.73.71.31 0:0:0:0:0:ffff:7f49:471f
127.73.71.32 0:0:0:0:0:ffff:7f49:4720
127.73.71.33 0:0:0:0:0:ffff:7f49:4721
127.73.71.34 0:0:0:0:0:ffff:7f49:4722
127.73.71.35 0:0:0:0:0:ffff:7f49:4723
127.73.71.36 0:0:0:0:0:ffff:7f49:4724
127.73.71.37 0:0:0:0:0:ffff:7f49:4725
127.73.71.38 0:0:0:0:0:ffff:7f49:4726
127.73.71.39 0:0:0:0:0:ffff:7f49:4727
127.73.71.40 0:0:0:0:0:ffff:7f49:4728
127.73.71.41 0:0:0:0:0:ffff:7f49:4729
127.73.71.42 0:0:0:0:0:ffff:7f49:472a
127.73.71.43 0:0:0:0:0:ffff:7f49:472b
127.73.71.44 0:0:0:0:0:ffff:7f49:472c
127.73.71.45 0:0:0:0:0:ffff:7f49:472d
127.73.71.46 0:0:0:0:0:ffff:7f49:472e
127.73.71.47 0:0:0:0:0:ffff:7f49:472f
127.73.71.48 0:0:0:0:0:ffff:7f49:4730
127.73.71.49 0:0:0:0:0:ffff:7f49:4731
127.73.71.50 0:0:0:0:0:ffff:7f49:4732
127.73.71.51 0:0:0:0:0:ffff:7f49:4733
127.73.71.52 0:0:0:0:0:ffff:7f49:4734
127.73.71.53 0:0:0:0:0:ffff:7f49:4735
127.73.71.54 0:0:0:0:0:ffff:7f49:4736
127.73.71.55 0:0:0:0:0:ffff:7f49:4737
127.73.71.56 0:0:0:0:0:ffff:7f49:4738
127.73.71.57 0:0:0:0:0:ffff:7f49:4739
127.73.71.58 0:0:0:0:0:ffff:7f49:473a
127.73.71.59 0:0:0:0:0:ffff:7f49:473b
127.73.71.60 0:0:0:0:0:ffff:7f49:473c


127.73.71.61 0:0:0:0:0:ffff:7f49:473d
127.73.71.62 0:0:0:0:0:ffff:7f49:473e
127.73.71.63 0:0:0:0:0:ffff:7f49:473f
127.73.71.64 0:0:0:0:0:ffff:7f49:4740
127.73.71.65 0:0:0:0:0:ffff:7f49:4741
127.73.71.66 0:0:0:0:0:ffff:7f49:4742
127.73.71.67 0:0:0:0:0:ffff:7f49:4743
127.73.71.68 0:0:0:0:0:ffff:7f49:4744
127.73.71.69 0:0:0:0:0:ffff:7f49:4745
127.73.71.70 0:0:0:0:0:ffff:7f49:4746
127.73.71.71 0:0:0:0:0:ffff:7f49:4747
127.73.71.72 0:0:0:0:0:ffff:7f49:4748
127.73.71.73 0:0:0:0:0:ffff:7f49:4749
127.73.71.74 0:0:0:0:0:ffff:7f49:474a
127.73.71.75 0:0:0:0:0:ffff:7f49:474b
127.73.71.76 0:0:0:0:0:ffff:7f49:474c
127.73.71.77 0:0:0:0:0:ffff:7f49:474d
127.73.71.78 0:0:0:0:0:ffff:7f49:474e
127.73.71.79 0:0:0:0:0:ffff:7f49:474f
127.73.71.80 0:0:0:0:0:ffff:7f49:4750
127.73.71.81 0:0:0:0:0:ffff:7f49:4751
127.73.71.82 0:0:0:0:0:ffff:7f49:4752
127.73.71.83 0:0:0:0:0:ffff:7f49:4753
127.73.71.84 0:0:0:0:0:ffff:7f49:4754
127.73.71.85 0:0:0:0:0:ffff:7f49:4755
127.73.71.86 0:0:0:0:0:ffff:7f49:4756
127.73.71.87 0:0:0:0:0:ffff:7f49:4757
127.73.71.88 0:0:0:0:0:ffff:7f49:4758
127.73.71.89 0:0:0:0:0:ffff:7f49:4759
127.73.71.90 0:0:0:0:0:ffff:7f49:475a
127.73.71.91 0:0:0:0:0:ffff:7f49:475b
127.73.71.92 0:0:0:0:0:ffff:7f49:475c
127.73.71.93 0:0:0:0:0:ffff:7f49:475d
127.73.71.94 0:0:0:0:0:ffff:7f49:475e
127.73.71.95 0:0:0:0:0:ffff:7f49:475f
127.73.71.96 0:0:0:0:0:ffff:7f49:4760
127.73.71.97 0:0:0:0:0:ffff:7f49:4761
127.73.71.98 0:0:0:0:0:ffff:7f49:4762
127.73.71.99 0:0:0:0:0:ffff:7f49:4763
127.73.71.100 0:0:0:0:0:ffff:7f49:4764
127.73.71.101 0:0:0:0:0:ffff:7f49:4765
127.73.71.102 0:0:0:0:0:ffff:7f49:4766
127.73.71.103 0:0:0:0:0:ffff:7f49:4767
127.73.71.104 0:0:0:0:0:ffff:7f49:4768
127.73.71.105 0:0:0:0:0:ffff:7f49:4769
127.73.71.106 0:0:0:0:0:ffff:7f49:476a
127.73.71.107 0:0:0:0:0:ffff:7f49:476b
127.73.71.108 0:0:0:0:0:ffff:7f49:476c
127.73.71.109 0:0:0:0:0:ffff:7f49:476d
127.73.71.110 0:0:0:0:0:ffff:7f49:476e
127.73.71.111 0:0:0:0:0:ffff:7f49:476f
127.73.71.112 0:0:0:0:0:ffff:7f49:4770
127.73.71.113 0:0:0:0:0:ffff:7f49:4771
127.73.71.114 0:0:0:0:0:ffff:7f49:4772
127.73.71.115 0:0:0:0:0:ffff:7f49:4773
127.73.71.116 0:0:0:0:0:ffff:7f49:4774
127.73.71.117 0:0:0:0:0:ffff:7f49:4775
127.73.71.118 0:0:0:0:0:ffff:7f49:4776
127.73.71.119 0:0:0:0:0:ffff:7f49:4777
127.73.71.120 0:0:0:0:0:ffff:7f49:4778


127.73.71.121 0:0:0:0:0:ffff:7f49:4779
127.73.71.122 0:0:0:0:0:ffff:7f49:477a
127.73.71.123 0:0:0:0:0:ffff:7f49:477b
127.73.71.124 0:0:0:0:0:ffff:7f49:477c
127.73.71.125 0:0:0:0:0:ffff:7f49:477d
127.73.71.126 0:0:0:0:0:ffff:7f49:477e
127.73.71.127 0:0:0:0:0:ffff:7f49:477f
127.73.71.128 0:0:0:0:0:ffff:7f49:4780
127.73.71.129 0:0:0:0:0:ffff:7f49:4781
127.73.71.130 0:0:0:0:0:ffff:7f49:4782
127.73.71.131 0:0:0:0:0:ffff:7f49:4783
127.73.71.132 0:0:0:0:0:ffff:7f49:4784
127.73.71.133 0:0:0:0:0:ffff:7f49:4785
127.73.71.134 0:0:0:0:0:ffff:7f49:4786
127.73.71.135 0:0:0:0:0:ffff:7f49:4787
127.73.71.136 0:0:0:0:0:ffff:7f49:4788
127.73.71.137 0:0:0:0:0:ffff:7f49:4789
127.73.71.138 0:0:0:0:0:ffff:7f49:478a
127.73.71.139 0:0:0:0:0:ffff:7f49:478b
127.73.71.140 0:0:0:0:0:ffff:7f49:478c
127.73.71.141 0:0:0:0:0:ffff:7f49:478d
127.73.71.142 0:0:0:0:0:ffff:7f49:478e
127.73.71.143 0:0:0:0:0:ffff:7f49:478f
127.73.71.144 0:0:0:0:0:ffff:7f49:4790
127.73.71.145 0:0:0:0:0:ffff:7f49:4791
127.73.71.146 0:0:0:0:0:ffff:7f49:4792
127.73.71.147 0:0:0:0:0:ffff:7f49:4793
127.73.71.148 0:0:0:0:0:ffff:7f49:4794
127.73.71.149 0:0:0:0:0:ffff:7f49:4795
127.73.71.150 0:0:0:0:0:ffff:7f49:4796
127.73.71.151 0:0:0:0:0:ffff:7f49:4797
127.73.71.152 0:0:0:0:0:ffff:7f49:4798
127.73.71.153 0:0:0:0:0:ffff:7f49:4799
127.73.71.154 0:0:0:0:0:ffff:7f49:479a
127.73.71.155 0:0:0:0:0:ffff:7f49:479b
127.73.71.156 0:0:0:0:0:ffff:7f49:479c
127.73.71.157 0:0:0:0:0:ffff:7f49:479d
127.73.71.158 0:0:0:0:0:ffff:7f49:479e
127.73.71.159 0:0:0:0:0:ffff:7f49:479f
127.73.71.160 0:0:0:0:0:ffff:7f49:47a0
127.73.71.161 0:0:0:0:0:ffff:7f49:47a1
127.73.71.162 0:0:0:0:0:ffff:7f49:47a2
127.73.71.163 0:0:0:0:0:ffff:7f49:47a3
127.73.71.164 0:0:0:0:0:ffff:7f49:47a4
127.73.71.165 0:0:0:0:0:ffff:7f49:47a5
127.73.71.166 0:0:0:0:0:ffff:7f49:47a6
127.73.71.167 0:0:0:0:0:ffff:7f49:47a7
127.73.71.168 0:0:0:0:0:ffff:7f49:47a8
127.73.71.169 0:0:0:0:0:ffff:7f49:47a9
127.73.71.170 0:0:0:0:0:ffff:7f49:47aa
127.73.71.171 0:0:0:0:0:ffff:7f49:47ab
127.73.71.172 0:0:0:0:0:ffff:7f49:47ac
127.73.71.173 0:0:0:0:0:ffff:7f49:47ad
127.73.71.174 0:0:0:0:0:ffff:7f49:47ae
127.73.71.175 0:0:0:0:0:ffff:7f49:47af
127.73.71.176 0:0:0:0:0:ffff:7f49:47b0
127.73.71.177 0:0:0:0:0:ffff:7f49:47b1
127.73.71.178 0:0:0:0:0:ffff:7f49:47b2
127.73.71.179 0:0:0:0:0:ffff:7f49:47b3
127.73.71.180 0:0:0:0:0:ffff:7f49:47b4


127.73.71.181 0:0:0:0:0:ffff:7f49:47b5
127.73.71.182 0:0:0:0:0:ffff:7f49:47b6
127.73.71.183 0:0:0:0:0:ffff:7f49:47b7
127.73.71.184 0:0:0:0:0:ffff:7f49:47b8
127.73.71.185 0:0:0:0:0:ffff:7f49:47b9
127.73.71.186 0:0:0:0:0:ffff:7f49:47ba
127.73.71.187 0:0:0:0:0:ffff:7f49:47bb
127.73.71.188 0:0:0:0:0:ffff:7f49:47bc
127.73.71.189 0:0:0:0:0:ffff:7f49:47bd
127.73.71.190 0:0:0:0:0:ffff:7f49:47be
127.73.71.191 0:0:0:0:0:ffff:7f49:47bf
127.73.71.192 0:0:0:0:0:ffff:7f49:47c0
127.73.71.193 0:0:0:0:0:ffff:7f49:47c1
127.73.71.194 0:0:0:0:0:ffff:7f49:47c2
127.73.71.195 0:0:0:0:0:ffff:7f49:47c3
127.73.71.196 0:0:0:0:0:ffff:7f49:47c4
127.73.71.197 0:0:0:0:0:ffff:7f49:47c5
127.73.71.198 0:0:0:0:0:ffff:7f49:47c6
127.73.71.199 0:0:0:0:0:ffff:7f49:47c7
127.73.71.200 0:0:0:0:0:ffff:7f49:47c8
127.73.71.201 0:0:0:0:0:ffff:7f49:47c9
127.73.71.202 0:0:0:0:0:ffff:7f49:47ca
127.73.71.203 0:0:0:0:0:ffff:7f49:47cb
127.73.71.204 0:0:0:0:0:ffff:7f49:47cc
127.73.71.205 0:0:0:0:0:ffff:7f49:47cd
127.73.71.206 0:0:0:0:0:ffff:7f49:47ce
127.73.71.207 0:0:0:0:0:ffff:7f49:47cf
127.73.71.208 0:0:0:0:0:ffff:7f49:47d0
127.73.71.209 0:0:0:0:0:ffff:7f49:47d1
127.73.71.210 0:0:0:0:0:ffff:7f49:47d2
127.73.71.211 0:0:0:0:0:ffff:7f49:47d3
127.73.71.212 0:0:0:0:0:ffff:7f49:47d4
127.73.71.213 0:0:0:0:0:ffff:7f49:47d5
127.73.71.214 0:0:0:0:0:ffff:7f49:47d6
127.73.71.215 0:0:0:0:0:ffff:7f49:47d7
127.73.71.216 0:0:0:0:0:ffff:7f49:47d8
127.73.71.217 0:0:0:0:0:ffff:7f49:47d9
127.73.71.218 0:0:0:0:0:ffff:7f49:47da
127.73.71.219 0:0:0:0:0:ffff:7f49:47db
127.73.71.220 0:0:0:0:0:ffff:7f49:47dc
127.73.71.221 0:0:0:0:0:ffff:7f49:47dd
127.73.71.222 0:0:0:0:0:ffff:7f49:47de
127.73.71.223 0:0:0:0:0:ffff:7f49:47df
127.73.71.224 0:0:0:0:0:ffff:7f49:47e0
127.73.71.225 0:0:0:0:0:ffff:7f49:47e1
127.73.71.226 0:0:0:0:0:ffff:7f49:47e2
127.73.71.227 0:0:0:0:0:ffff:7f49:47e3
127.73.71.228 0:0:0:0:0:ffff:7f49:47e4
127.73.71.229 0:0:0:0:0:ffff:7f49:47e5
127.73.71.230 0:0:0:0:0:ffff:7f49:47e6
127.73.71.231 0:0:0:0:0:ffff:7f49:47e7
127.73.71.232 0:0:0:0:0:ffff:7f49:47e8
127.73.71.233 0:0:0:0:0:ffff:7f49:47e9
127.73.71.234 0:0:0:0:0:ffff:7f49:47ea
127.73.71.235 0:0:0:0:0:ffff:7f49:47eb
127.73.71.236 0:0:0:0:0:ffff:7f49:47ec
127.73.71.237 0:0:0:0:0:ffff:7f49:47ed
127.73.71.238 0:0:0:0:0:ffff:7f49:47ee
127.73.71.239 0:0:0:0:0:ffff:7f49:47ef
127.73.71.240 0:0:0:0:0:ffff:7f49:47f0
127.73.71.241 0:0:0:0:0:ffff:7f49:47f1
127.73.71.242 0:0:0:0:0:ffff:7f49:47f2
127.73.71.243 0:0:0:0:0:ffff:7f49:47f3
127.73.71.244 0:0:0:0:0:ffff:7f49:47f4
127.73.71.245 0:0:0:0:0:ffff:7f49:47f5
127.73.71.246 0:0:0:0:0:ffff:7f49:47f6
127.73.71.247 0:0:0:0:0:ffff:7f49:47f7
127.73.71.248 0:0:0:0:0:ffff:7f49:47f8
127.73.71.249 0:0:0:0:0:ffff:7f49:47f9
127.73.71.250 0:0:0:0:0:ffff:7f49:47fa
127.73.71.251 0:0:0:0:0:ffff:7f49:47fb
127.73.71.252 0:0:0:0:0:ffff:7f49:47fc
127.73.71.253 0:0:0:0:0:ffff:7f49:47fd
127.73.71.254 0:0:0:0:0:ffff:7f49:47fe
127.73.71.255 0:0:0:0:0:ffff:7f49:47ff


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.