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
19.73.166.1 0:0:0:0:0:ffff:1349:a601
19.73.166.2 0:0:0:0:0:ffff:1349:a602
19.73.166.3 0:0:0:0:0:ffff:1349:a603
19.73.166.4 0:0:0:0:0:ffff:1349:a604
19.73.166.5 0:0:0:0:0:ffff:1349:a605
19.73.166.6 0:0:0:0:0:ffff:1349:a606
19.73.166.7 0:0:0:0:0:ffff:1349:a607
19.73.166.8 0:0:0:0:0:ffff:1349:a608
19.73.166.9 0:0:0:0:0:ffff:1349:a609
19.73.166.10 0:0:0:0:0:ffff:1349:a60a
19.73.166.11 0:0:0:0:0:ffff:1349:a60b
19.73.166.12 0:0:0:0:0:ffff:1349:a60c
19.73.166.13 0:0:0:0:0:ffff:1349:a60d
19.73.166.14 0:0:0:0:0:ffff:1349:a60e
19.73.166.15 0:0:0:0:0:ffff:1349:a60f
19.73.166.16 0:0:0:0:0:ffff:1349:a610
19.73.166.17 0:0:0:0:0:ffff:1349:a611
19.73.166.18 0:0:0:0:0:ffff:1349:a612
19.73.166.19 0:0:0:0:0:ffff:1349:a613
19.73.166.20 0:0:0:0:0:ffff:1349:a614
19.73.166.21 0:0:0:0:0:ffff:1349:a615
19.73.166.22 0:0:0:0:0:ffff:1349:a616
19.73.166.23 0:0:0:0:0:ffff:1349:a617
19.73.166.24 0:0:0:0:0:ffff:1349:a618
19.73.166.25 0:0:0:0:0:ffff:1349:a619
19.73.166.26 0:0:0:0:0:ffff:1349:a61a
19.73.166.27 0:0:0:0:0:ffff:1349:a61b
19.73.166.28 0:0:0:0:0:ffff:1349:a61c
19.73.166.29 0:0:0:0:0:ffff:1349:a61d
19.73.166.30 0:0:0:0:0:ffff:1349:a61e
19.73.166.31 0:0:0:0:0:ffff:1349:a61f
19.73.166.32 0:0:0:0:0:ffff:1349:a620
19.73.166.33 0:0:0:0:0:ffff:1349:a621
19.73.166.34 0:0:0:0:0:ffff:1349:a622
19.73.166.35 0:0:0:0:0:ffff:1349:a623
19.73.166.36 0:0:0:0:0:ffff:1349:a624
19.73.166.37 0:0:0:0:0:ffff:1349:a625
19.73.166.38 0:0:0:0:0:ffff:1349:a626
19.73.166.39 0:0:0:0:0:ffff:1349:a627
19.73.166.40 0:0:0:0:0:ffff:1349:a628
19.73.166.41 0:0:0:0:0:ffff:1349:a629
19.73.166.42 0:0:0:0:0:ffff:1349:a62a
19.73.166.43 0:0:0:0:0:ffff:1349:a62b
19.73.166.44 0:0:0:0:0:ffff:1349:a62c
19.73.166.45 0:0:0:0:0:ffff:1349:a62d
19.73.166.46 0:0:0:0:0:ffff:1349:a62e
19.73.166.47 0:0:0:0:0:ffff:1349:a62f
19.73.166.48 0:0:0:0:0:ffff:1349:a630
19.73.166.49 0:0:0:0:0:ffff:1349:a631
19.73.166.50 0:0:0:0:0:ffff:1349:a632
19.73.166.51 0:0:0:0:0:ffff:1349:a633
19.73.166.52 0:0:0:0:0:ffff:1349:a634
19.73.166.53 0:0:0:0:0:ffff:1349:a635
19.73.166.54 0:0:0:0:0:ffff:1349:a636
19.73.166.55 0:0:0:0:0:ffff:1349:a637
19.73.166.56 0:0:0:0:0:ffff:1349:a638
19.73.166.57 0:0:0:0:0:ffff:1349:a639
19.73.166.58 0:0:0:0:0:ffff:1349:a63a
19.73.166.59 0:0:0:0:0:ffff:1349:a63b
19.73.166.60 0:0:0:0:0:ffff:1349:a63c


19.73.166.61 0:0:0:0:0:ffff:1349:a63d
19.73.166.62 0:0:0:0:0:ffff:1349:a63e
19.73.166.63 0:0:0:0:0:ffff:1349:a63f
19.73.166.64 0:0:0:0:0:ffff:1349:a640
19.73.166.65 0:0:0:0:0:ffff:1349:a641
19.73.166.66 0:0:0:0:0:ffff:1349:a642
19.73.166.67 0:0:0:0:0:ffff:1349:a643
19.73.166.68 0:0:0:0:0:ffff:1349:a644
19.73.166.69 0:0:0:0:0:ffff:1349:a645
19.73.166.70 0:0:0:0:0:ffff:1349:a646
19.73.166.71 0:0:0:0:0:ffff:1349:a647
19.73.166.72 0:0:0:0:0:ffff:1349:a648
19.73.166.73 0:0:0:0:0:ffff:1349:a649
19.73.166.74 0:0:0:0:0:ffff:1349:a64a
19.73.166.75 0:0:0:0:0:ffff:1349:a64b
19.73.166.76 0:0:0:0:0:ffff:1349:a64c
19.73.166.77 0:0:0:0:0:ffff:1349:a64d
19.73.166.78 0:0:0:0:0:ffff:1349:a64e
19.73.166.79 0:0:0:0:0:ffff:1349:a64f
19.73.166.80 0:0:0:0:0:ffff:1349:a650
19.73.166.81 0:0:0:0:0:ffff:1349:a651
19.73.166.82 0:0:0:0:0:ffff:1349:a652
19.73.166.83 0:0:0:0:0:ffff:1349:a653
19.73.166.84 0:0:0:0:0:ffff:1349:a654
19.73.166.85 0:0:0:0:0:ffff:1349:a655
19.73.166.86 0:0:0:0:0:ffff:1349:a656
19.73.166.87 0:0:0:0:0:ffff:1349:a657
19.73.166.88 0:0:0:0:0:ffff:1349:a658
19.73.166.89 0:0:0:0:0:ffff:1349:a659
19.73.166.90 0:0:0:0:0:ffff:1349:a65a
19.73.166.91 0:0:0:0:0:ffff:1349:a65b
19.73.166.92 0:0:0:0:0:ffff:1349:a65c
19.73.166.93 0:0:0:0:0:ffff:1349:a65d
19.73.166.94 0:0:0:0:0:ffff:1349:a65e
19.73.166.95 0:0:0:0:0:ffff:1349:a65f
19.73.166.96 0:0:0:0:0:ffff:1349:a660
19.73.166.97 0:0:0:0:0:ffff:1349:a661
19.73.166.98 0:0:0:0:0:ffff:1349:a662
19.73.166.99 0:0:0:0:0:ffff:1349:a663
19.73.166.100 0:0:0:0:0:ffff:1349:a664
19.73.166.101 0:0:0:0:0:ffff:1349:a665
19.73.166.102 0:0:0:0:0:ffff:1349:a666
19.73.166.103 0:0:0:0:0:ffff:1349:a667
19.73.166.104 0:0:0:0:0:ffff:1349:a668
19.73.166.105 0:0:0:0:0:ffff:1349:a669
19.73.166.106 0:0:0:0:0:ffff:1349:a66a
19.73.166.107 0:0:0:0:0:ffff:1349:a66b
19.73.166.108 0:0:0:0:0:ffff:1349:a66c
19.73.166.109 0:0:0:0:0:ffff:1349:a66d
19.73.166.110 0:0:0:0:0:ffff:1349:a66e
19.73.166.111 0:0:0:0:0:ffff:1349:a66f
19.73.166.112 0:0:0:0:0:ffff:1349:a670
19.73.166.113 0:0:0:0:0:ffff:1349:a671
19.73.166.114 0:0:0:0:0:ffff:1349:a672
19.73.166.115 0:0:0:0:0:ffff:1349:a673
19.73.166.116 0:0:0:0:0:ffff:1349:a674
19.73.166.117 0:0:0:0:0:ffff:1349:a675
19.73.166.118 0:0:0:0:0:ffff:1349:a676
19.73.166.119 0:0:0:0:0:ffff:1349:a677
19.73.166.120 0:0:0:0:0:ffff:1349:a678


19.73.166.121 0:0:0:0:0:ffff:1349:a679
19.73.166.122 0:0:0:0:0:ffff:1349:a67a
19.73.166.123 0:0:0:0:0:ffff:1349:a67b
19.73.166.124 0:0:0:0:0:ffff:1349:a67c
19.73.166.125 0:0:0:0:0:ffff:1349:a67d
19.73.166.126 0:0:0:0:0:ffff:1349:a67e
19.73.166.127 0:0:0:0:0:ffff:1349:a67f
19.73.166.128 0:0:0:0:0:ffff:1349:a680
19.73.166.129 0:0:0:0:0:ffff:1349:a681
19.73.166.130 0:0:0:0:0:ffff:1349:a682
19.73.166.131 0:0:0:0:0:ffff:1349:a683
19.73.166.132 0:0:0:0:0:ffff:1349:a684
19.73.166.133 0:0:0:0:0:ffff:1349:a685
19.73.166.134 0:0:0:0:0:ffff:1349:a686
19.73.166.135 0:0:0:0:0:ffff:1349:a687
19.73.166.136 0:0:0:0:0:ffff:1349:a688
19.73.166.137 0:0:0:0:0:ffff:1349:a689
19.73.166.138 0:0:0:0:0:ffff:1349:a68a
19.73.166.139 0:0:0:0:0:ffff:1349:a68b
19.73.166.140 0:0:0:0:0:ffff:1349:a68c
19.73.166.141 0:0:0:0:0:ffff:1349:a68d
19.73.166.142 0:0:0:0:0:ffff:1349:a68e
19.73.166.143 0:0:0:0:0:ffff:1349:a68f
19.73.166.144 0:0:0:0:0:ffff:1349:a690
19.73.166.145 0:0:0:0:0:ffff:1349:a691
19.73.166.146 0:0:0:0:0:ffff:1349:a692
19.73.166.147 0:0:0:0:0:ffff:1349:a693
19.73.166.148 0:0:0:0:0:ffff:1349:a694
19.73.166.149 0:0:0:0:0:ffff:1349:a695
19.73.166.150 0:0:0:0:0:ffff:1349:a696
19.73.166.151 0:0:0:0:0:ffff:1349:a697
19.73.166.152 0:0:0:0:0:ffff:1349:a698
19.73.166.153 0:0:0:0:0:ffff:1349:a699
19.73.166.154 0:0:0:0:0:ffff:1349:a69a
19.73.166.155 0:0:0:0:0:ffff:1349:a69b
19.73.166.156 0:0:0:0:0:ffff:1349:a69c
19.73.166.157 0:0:0:0:0:ffff:1349:a69d
19.73.166.158 0:0:0:0:0:ffff:1349:a69e
19.73.166.159 0:0:0:0:0:ffff:1349:a69f
19.73.166.160 0:0:0:0:0:ffff:1349:a6a0
19.73.166.161 0:0:0:0:0:ffff:1349:a6a1
19.73.166.162 0:0:0:0:0:ffff:1349:a6a2
19.73.166.163 0:0:0:0:0:ffff:1349:a6a3
19.73.166.164 0:0:0:0:0:ffff:1349:a6a4
19.73.166.165 0:0:0:0:0:ffff:1349:a6a5
19.73.166.166 0:0:0:0:0:ffff:1349:a6a6
19.73.166.167 0:0:0:0:0:ffff:1349:a6a7
19.73.166.168 0:0:0:0:0:ffff:1349:a6a8
19.73.166.169 0:0:0:0:0:ffff:1349:a6a9
19.73.166.170 0:0:0:0:0:ffff:1349:a6aa
19.73.166.171 0:0:0:0:0:ffff:1349:a6ab
19.73.166.172 0:0:0:0:0:ffff:1349:a6ac
19.73.166.173 0:0:0:0:0:ffff:1349:a6ad
19.73.166.174 0:0:0:0:0:ffff:1349:a6ae
19.73.166.175 0:0:0:0:0:ffff:1349:a6af
19.73.166.176 0:0:0:0:0:ffff:1349:a6b0
19.73.166.177 0:0:0:0:0:ffff:1349:a6b1
19.73.166.178 0:0:0:0:0:ffff:1349:a6b2
19.73.166.179 0:0:0:0:0:ffff:1349:a6b3
19.73.166.180 0:0:0:0:0:ffff:1349:a6b4


19.73.166.181 0:0:0:0:0:ffff:1349:a6b5
19.73.166.182 0:0:0:0:0:ffff:1349:a6b6
19.73.166.183 0:0:0:0:0:ffff:1349:a6b7
19.73.166.184 0:0:0:0:0:ffff:1349:a6b8
19.73.166.185 0:0:0:0:0:ffff:1349:a6b9
19.73.166.186 0:0:0:0:0:ffff:1349:a6ba
19.73.166.187 0:0:0:0:0:ffff:1349:a6bb
19.73.166.188 0:0:0:0:0:ffff:1349:a6bc
19.73.166.189 0:0:0:0:0:ffff:1349:a6bd
19.73.166.190 0:0:0:0:0:ffff:1349:a6be
19.73.166.191 0:0:0:0:0:ffff:1349:a6bf
19.73.166.192 0:0:0:0:0:ffff:1349:a6c0
19.73.166.193 0:0:0:0:0:ffff:1349:a6c1
19.73.166.194 0:0:0:0:0:ffff:1349:a6c2
19.73.166.195 0:0:0:0:0:ffff:1349:a6c3
19.73.166.196 0:0:0:0:0:ffff:1349:a6c4
19.73.166.197 0:0:0:0:0:ffff:1349:a6c5
19.73.166.198 0:0:0:0:0:ffff:1349:a6c6
19.73.166.199 0:0:0:0:0:ffff:1349:a6c7
19.73.166.200 0:0:0:0:0:ffff:1349:a6c8
19.73.166.201 0:0:0:0:0:ffff:1349:a6c9
19.73.166.202 0:0:0:0:0:ffff:1349:a6ca
19.73.166.203 0:0:0:0:0:ffff:1349:a6cb
19.73.166.204 0:0:0:0:0:ffff:1349:a6cc
19.73.166.205 0:0:0:0:0:ffff:1349:a6cd
19.73.166.206 0:0:0:0:0:ffff:1349:a6ce
19.73.166.207 0:0:0:0:0:ffff:1349:a6cf
19.73.166.208 0:0:0:0:0:ffff:1349:a6d0
19.73.166.209 0:0:0:0:0:ffff:1349:a6d1
19.73.166.210 0:0:0:0:0:ffff:1349:a6d2
19.73.166.211 0:0:0:0:0:ffff:1349:a6d3
19.73.166.212 0:0:0:0:0:ffff:1349:a6d4
19.73.166.213 0:0:0:0:0:ffff:1349:a6d5
19.73.166.214 0:0:0:0:0:ffff:1349:a6d6
19.73.166.215 0:0:0:0:0:ffff:1349:a6d7
19.73.166.216 0:0:0:0:0:ffff:1349:a6d8
19.73.166.217 0:0:0:0:0:ffff:1349:a6d9
19.73.166.218 0:0:0:0:0:ffff:1349:a6da
19.73.166.219 0:0:0:0:0:ffff:1349:a6db
19.73.166.220 0:0:0:0:0:ffff:1349:a6dc
19.73.166.221 0:0:0:0:0:ffff:1349:a6dd
19.73.166.222 0:0:0:0:0:ffff:1349:a6de
19.73.166.223 0:0:0:0:0:ffff:1349:a6df
19.73.166.224 0:0:0:0:0:ffff:1349:a6e0
19.73.166.225 0:0:0:0:0:ffff:1349:a6e1
19.73.166.226 0:0:0:0:0:ffff:1349:a6e2
19.73.166.227 0:0:0:0:0:ffff:1349:a6e3
19.73.166.228 0:0:0:0:0:ffff:1349:a6e4
19.73.166.229 0:0:0:0:0:ffff:1349:a6e5
19.73.166.230 0:0:0:0:0:ffff:1349:a6e6
19.73.166.231 0:0:0:0:0:ffff:1349:a6e7
19.73.166.232 0:0:0:0:0:ffff:1349:a6e8
19.73.166.233 0:0:0:0:0:ffff:1349:a6e9
19.73.166.234 0:0:0:0:0:ffff:1349:a6ea
19.73.166.235 0:0:0:0:0:ffff:1349:a6eb
19.73.166.236 0:0:0:0:0:ffff:1349:a6ec
19.73.166.237 0:0:0:0:0:ffff:1349:a6ed
19.73.166.238 0:0:0:0:0:ffff:1349:a6ee
19.73.166.239 0:0:0:0:0:ffff:1349:a6ef
19.73.166.240 0:0:0:0:0:ffff:1349:a6f0
19.73.166.241 0:0:0:0:0:ffff:1349:a6f1
19.73.166.242 0:0:0:0:0:ffff:1349:a6f2
19.73.166.243 0:0:0:0:0:ffff:1349:a6f3
19.73.166.244 0:0:0:0:0:ffff:1349:a6f4
19.73.166.245 0:0:0:0:0:ffff:1349:a6f5
19.73.166.246 0:0:0:0:0:ffff:1349:a6f6
19.73.166.247 0:0:0:0:0:ffff:1349:a6f7
19.73.166.248 0:0:0:0:0:ffff:1349:a6f8
19.73.166.249 0:0:0:0:0:ffff:1349:a6f9
19.73.166.250 0:0:0:0:0:ffff:1349:a6fa
19.73.166.251 0:0:0:0:0:ffff:1349:a6fb
19.73.166.252 0:0:0:0:0:ffff:1349:a6fc
19.73.166.253 0:0:0:0:0:ffff:1349:a6fd
19.73.166.254 0:0:0:0:0:ffff:1349:a6fe
19.73.166.255 0:0:0:0:0:ffff:1349:a6ff


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.