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
57.168.166.1 0:0:0:0:0:ffff:39a8:a601
57.168.166.2 0:0:0:0:0:ffff:39a8:a602
57.168.166.3 0:0:0:0:0:ffff:39a8:a603
57.168.166.4 0:0:0:0:0:ffff:39a8:a604
57.168.166.5 0:0:0:0:0:ffff:39a8:a605
57.168.166.6 0:0:0:0:0:ffff:39a8:a606
57.168.166.7 0:0:0:0:0:ffff:39a8:a607
57.168.166.8 0:0:0:0:0:ffff:39a8:a608
57.168.166.9 0:0:0:0:0:ffff:39a8:a609
57.168.166.10 0:0:0:0:0:ffff:39a8:a60a
57.168.166.11 0:0:0:0:0:ffff:39a8:a60b
57.168.166.12 0:0:0:0:0:ffff:39a8:a60c
57.168.166.13 0:0:0:0:0:ffff:39a8:a60d
57.168.166.14 0:0:0:0:0:ffff:39a8:a60e
57.168.166.15 0:0:0:0:0:ffff:39a8:a60f
57.168.166.16 0:0:0:0:0:ffff:39a8:a610
57.168.166.17 0:0:0:0:0:ffff:39a8:a611
57.168.166.18 0:0:0:0:0:ffff:39a8:a612
57.168.166.19 0:0:0:0:0:ffff:39a8:a613
57.168.166.20 0:0:0:0:0:ffff:39a8:a614
57.168.166.21 0:0:0:0:0:ffff:39a8:a615
57.168.166.22 0:0:0:0:0:ffff:39a8:a616
57.168.166.23 0:0:0:0:0:ffff:39a8:a617
57.168.166.24 0:0:0:0:0:ffff:39a8:a618
57.168.166.25 0:0:0:0:0:ffff:39a8:a619
57.168.166.26 0:0:0:0:0:ffff:39a8:a61a
57.168.166.27 0:0:0:0:0:ffff:39a8:a61b
57.168.166.28 0:0:0:0:0:ffff:39a8:a61c
57.168.166.29 0:0:0:0:0:ffff:39a8:a61d
57.168.166.30 0:0:0:0:0:ffff:39a8:a61e
57.168.166.31 0:0:0:0:0:ffff:39a8:a61f
57.168.166.32 0:0:0:0:0:ffff:39a8:a620
57.168.166.33 0:0:0:0:0:ffff:39a8:a621
57.168.166.34 0:0:0:0:0:ffff:39a8:a622
57.168.166.35 0:0:0:0:0:ffff:39a8:a623
57.168.166.36 0:0:0:0:0:ffff:39a8:a624
57.168.166.37 0:0:0:0:0:ffff:39a8:a625
57.168.166.38 0:0:0:0:0:ffff:39a8:a626
57.168.166.39 0:0:0:0:0:ffff:39a8:a627
57.168.166.40 0:0:0:0:0:ffff:39a8:a628
57.168.166.41 0:0:0:0:0:ffff:39a8:a629
57.168.166.42 0:0:0:0:0:ffff:39a8:a62a
57.168.166.43 0:0:0:0:0:ffff:39a8:a62b
57.168.166.44 0:0:0:0:0:ffff:39a8:a62c
57.168.166.45 0:0:0:0:0:ffff:39a8:a62d
57.168.166.46 0:0:0:0:0:ffff:39a8:a62e
57.168.166.47 0:0:0:0:0:ffff:39a8:a62f
57.168.166.48 0:0:0:0:0:ffff:39a8:a630
57.168.166.49 0:0:0:0:0:ffff:39a8:a631
57.168.166.50 0:0:0:0:0:ffff:39a8:a632
57.168.166.51 0:0:0:0:0:ffff:39a8:a633
57.168.166.52 0:0:0:0:0:ffff:39a8:a634
57.168.166.53 0:0:0:0:0:ffff:39a8:a635
57.168.166.54 0:0:0:0:0:ffff:39a8:a636
57.168.166.55 0:0:0:0:0:ffff:39a8:a637
57.168.166.56 0:0:0:0:0:ffff:39a8:a638
57.168.166.57 0:0:0:0:0:ffff:39a8:a639
57.168.166.58 0:0:0:0:0:ffff:39a8:a63a
57.168.166.59 0:0:0:0:0:ffff:39a8:a63b
57.168.166.60 0:0:0:0:0:ffff:39a8:a63c


57.168.166.61 0:0:0:0:0:ffff:39a8:a63d
57.168.166.62 0:0:0:0:0:ffff:39a8:a63e
57.168.166.63 0:0:0:0:0:ffff:39a8:a63f
57.168.166.64 0:0:0:0:0:ffff:39a8:a640
57.168.166.65 0:0:0:0:0:ffff:39a8:a641
57.168.166.66 0:0:0:0:0:ffff:39a8:a642
57.168.166.67 0:0:0:0:0:ffff:39a8:a643
57.168.166.68 0:0:0:0:0:ffff:39a8:a644
57.168.166.69 0:0:0:0:0:ffff:39a8:a645
57.168.166.70 0:0:0:0:0:ffff:39a8:a646
57.168.166.71 0:0:0:0:0:ffff:39a8:a647
57.168.166.72 0:0:0:0:0:ffff:39a8:a648
57.168.166.73 0:0:0:0:0:ffff:39a8:a649
57.168.166.74 0:0:0:0:0:ffff:39a8:a64a
57.168.166.75 0:0:0:0:0:ffff:39a8:a64b
57.168.166.76 0:0:0:0:0:ffff:39a8:a64c
57.168.166.77 0:0:0:0:0:ffff:39a8:a64d
57.168.166.78 0:0:0:0:0:ffff:39a8:a64e
57.168.166.79 0:0:0:0:0:ffff:39a8:a64f
57.168.166.80 0:0:0:0:0:ffff:39a8:a650
57.168.166.81 0:0:0:0:0:ffff:39a8:a651
57.168.166.82 0:0:0:0:0:ffff:39a8:a652
57.168.166.83 0:0:0:0:0:ffff:39a8:a653
57.168.166.84 0:0:0:0:0:ffff:39a8:a654
57.168.166.85 0:0:0:0:0:ffff:39a8:a655
57.168.166.86 0:0:0:0:0:ffff:39a8:a656
57.168.166.87 0:0:0:0:0:ffff:39a8:a657
57.168.166.88 0:0:0:0:0:ffff:39a8:a658
57.168.166.89 0:0:0:0:0:ffff:39a8:a659
57.168.166.90 0:0:0:0:0:ffff:39a8:a65a
57.168.166.91 0:0:0:0:0:ffff:39a8:a65b
57.168.166.92 0:0:0:0:0:ffff:39a8:a65c
57.168.166.93 0:0:0:0:0:ffff:39a8:a65d
57.168.166.94 0:0:0:0:0:ffff:39a8:a65e
57.168.166.95 0:0:0:0:0:ffff:39a8:a65f
57.168.166.96 0:0:0:0:0:ffff:39a8:a660
57.168.166.97 0:0:0:0:0:ffff:39a8:a661
57.168.166.98 0:0:0:0:0:ffff:39a8:a662
57.168.166.99 0:0:0:0:0:ffff:39a8:a663
57.168.166.100 0:0:0:0:0:ffff:39a8:a664
57.168.166.101 0:0:0:0:0:ffff:39a8:a665
57.168.166.102 0:0:0:0:0:ffff:39a8:a666
57.168.166.103 0:0:0:0:0:ffff:39a8:a667
57.168.166.104 0:0:0:0:0:ffff:39a8:a668
57.168.166.105 0:0:0:0:0:ffff:39a8:a669
57.168.166.106 0:0:0:0:0:ffff:39a8:a66a
57.168.166.107 0:0:0:0:0:ffff:39a8:a66b
57.168.166.108 0:0:0:0:0:ffff:39a8:a66c
57.168.166.109 0:0:0:0:0:ffff:39a8:a66d
57.168.166.110 0:0:0:0:0:ffff:39a8:a66e
57.168.166.111 0:0:0:0:0:ffff:39a8:a66f
57.168.166.112 0:0:0:0:0:ffff:39a8:a670
57.168.166.113 0:0:0:0:0:ffff:39a8:a671
57.168.166.114 0:0:0:0:0:ffff:39a8:a672
57.168.166.115 0:0:0:0:0:ffff:39a8:a673
57.168.166.116 0:0:0:0:0:ffff:39a8:a674
57.168.166.117 0:0:0:0:0:ffff:39a8:a675
57.168.166.118 0:0:0:0:0:ffff:39a8:a676
57.168.166.119 0:0:0:0:0:ffff:39a8:a677
57.168.166.120 0:0:0:0:0:ffff:39a8:a678


57.168.166.121 0:0:0:0:0:ffff:39a8:a679
57.168.166.122 0:0:0:0:0:ffff:39a8:a67a
57.168.166.123 0:0:0:0:0:ffff:39a8:a67b
57.168.166.124 0:0:0:0:0:ffff:39a8:a67c
57.168.166.125 0:0:0:0:0:ffff:39a8:a67d
57.168.166.126 0:0:0:0:0:ffff:39a8:a67e
57.168.166.127 0:0:0:0:0:ffff:39a8:a67f
57.168.166.128 0:0:0:0:0:ffff:39a8:a680
57.168.166.129 0:0:0:0:0:ffff:39a8:a681
57.168.166.130 0:0:0:0:0:ffff:39a8:a682
57.168.166.131 0:0:0:0:0:ffff:39a8:a683
57.168.166.132 0:0:0:0:0:ffff:39a8:a684
57.168.166.133 0:0:0:0:0:ffff:39a8:a685
57.168.166.134 0:0:0:0:0:ffff:39a8:a686
57.168.166.135 0:0:0:0:0:ffff:39a8:a687
57.168.166.136 0:0:0:0:0:ffff:39a8:a688
57.168.166.137 0:0:0:0:0:ffff:39a8:a689
57.168.166.138 0:0:0:0:0:ffff:39a8:a68a
57.168.166.139 0:0:0:0:0:ffff:39a8:a68b
57.168.166.140 0:0:0:0:0:ffff:39a8:a68c
57.168.166.141 0:0:0:0:0:ffff:39a8:a68d
57.168.166.142 0:0:0:0:0:ffff:39a8:a68e
57.168.166.143 0:0:0:0:0:ffff:39a8:a68f
57.168.166.144 0:0:0:0:0:ffff:39a8:a690
57.168.166.145 0:0:0:0:0:ffff:39a8:a691
57.168.166.146 0:0:0:0:0:ffff:39a8:a692
57.168.166.147 0:0:0:0:0:ffff:39a8:a693
57.168.166.148 0:0:0:0:0:ffff:39a8:a694
57.168.166.149 0:0:0:0:0:ffff:39a8:a695
57.168.166.150 0:0:0:0:0:ffff:39a8:a696
57.168.166.151 0:0:0:0:0:ffff:39a8:a697
57.168.166.152 0:0:0:0:0:ffff:39a8:a698
57.168.166.153 0:0:0:0:0:ffff:39a8:a699
57.168.166.154 0:0:0:0:0:ffff:39a8:a69a
57.168.166.155 0:0:0:0:0:ffff:39a8:a69b
57.168.166.156 0:0:0:0:0:ffff:39a8:a69c
57.168.166.157 0:0:0:0:0:ffff:39a8:a69d
57.168.166.158 0:0:0:0:0:ffff:39a8:a69e
57.168.166.159 0:0:0:0:0:ffff:39a8:a69f
57.168.166.160 0:0:0:0:0:ffff:39a8:a6a0
57.168.166.161 0:0:0:0:0:ffff:39a8:a6a1
57.168.166.162 0:0:0:0:0:ffff:39a8:a6a2
57.168.166.163 0:0:0:0:0:ffff:39a8:a6a3
57.168.166.164 0:0:0:0:0:ffff:39a8:a6a4
57.168.166.165 0:0:0:0:0:ffff:39a8:a6a5
57.168.166.166 0:0:0:0:0:ffff:39a8:a6a6
57.168.166.167 0:0:0:0:0:ffff:39a8:a6a7
57.168.166.168 0:0:0:0:0:ffff:39a8:a6a8
57.168.166.169 0:0:0:0:0:ffff:39a8:a6a9
57.168.166.170 0:0:0:0:0:ffff:39a8:a6aa
57.168.166.171 0:0:0:0:0:ffff:39a8:a6ab
57.168.166.172 0:0:0:0:0:ffff:39a8:a6ac
57.168.166.173 0:0:0:0:0:ffff:39a8:a6ad
57.168.166.174 0:0:0:0:0:ffff:39a8:a6ae
57.168.166.175 0:0:0:0:0:ffff:39a8:a6af
57.168.166.176 0:0:0:0:0:ffff:39a8:a6b0
57.168.166.177 0:0:0:0:0:ffff:39a8:a6b1
57.168.166.178 0:0:0:0:0:ffff:39a8:a6b2
57.168.166.179 0:0:0:0:0:ffff:39a8:a6b3
57.168.166.180 0:0:0:0:0:ffff:39a8:a6b4


57.168.166.181 0:0:0:0:0:ffff:39a8:a6b5
57.168.166.182 0:0:0:0:0:ffff:39a8:a6b6
57.168.166.183 0:0:0:0:0:ffff:39a8:a6b7
57.168.166.184 0:0:0:0:0:ffff:39a8:a6b8
57.168.166.185 0:0:0:0:0:ffff:39a8:a6b9
57.168.166.186 0:0:0:0:0:ffff:39a8:a6ba
57.168.166.187 0:0:0:0:0:ffff:39a8:a6bb
57.168.166.188 0:0:0:0:0:ffff:39a8:a6bc
57.168.166.189 0:0:0:0:0:ffff:39a8:a6bd
57.168.166.190 0:0:0:0:0:ffff:39a8:a6be
57.168.166.191 0:0:0:0:0:ffff:39a8:a6bf
57.168.166.192 0:0:0:0:0:ffff:39a8:a6c0
57.168.166.193 0:0:0:0:0:ffff:39a8:a6c1
57.168.166.194 0:0:0:0:0:ffff:39a8:a6c2
57.168.166.195 0:0:0:0:0:ffff:39a8:a6c3
57.168.166.196 0:0:0:0:0:ffff:39a8:a6c4
57.168.166.197 0:0:0:0:0:ffff:39a8:a6c5
57.168.166.198 0:0:0:0:0:ffff:39a8:a6c6
57.168.166.199 0:0:0:0:0:ffff:39a8:a6c7
57.168.166.200 0:0:0:0:0:ffff:39a8:a6c8
57.168.166.201 0:0:0:0:0:ffff:39a8:a6c9
57.168.166.202 0:0:0:0:0:ffff:39a8:a6ca
57.168.166.203 0:0:0:0:0:ffff:39a8:a6cb
57.168.166.204 0:0:0:0:0:ffff:39a8:a6cc
57.168.166.205 0:0:0:0:0:ffff:39a8:a6cd
57.168.166.206 0:0:0:0:0:ffff:39a8:a6ce
57.168.166.207 0:0:0:0:0:ffff:39a8:a6cf
57.168.166.208 0:0:0:0:0:ffff:39a8:a6d0
57.168.166.209 0:0:0:0:0:ffff:39a8:a6d1
57.168.166.210 0:0:0:0:0:ffff:39a8:a6d2
57.168.166.211 0:0:0:0:0:ffff:39a8:a6d3
57.168.166.212 0:0:0:0:0:ffff:39a8:a6d4
57.168.166.213 0:0:0:0:0:ffff:39a8:a6d5
57.168.166.214 0:0:0:0:0:ffff:39a8:a6d6
57.168.166.215 0:0:0:0:0:ffff:39a8:a6d7
57.168.166.216 0:0:0:0:0:ffff:39a8:a6d8
57.168.166.217 0:0:0:0:0:ffff:39a8:a6d9
57.168.166.218 0:0:0:0:0:ffff:39a8:a6da
57.168.166.219 0:0:0:0:0:ffff:39a8:a6db
57.168.166.220 0:0:0:0:0:ffff:39a8:a6dc
57.168.166.221 0:0:0:0:0:ffff:39a8:a6dd
57.168.166.222 0:0:0:0:0:ffff:39a8:a6de
57.168.166.223 0:0:0:0:0:ffff:39a8:a6df
57.168.166.224 0:0:0:0:0:ffff:39a8:a6e0
57.168.166.225 0:0:0:0:0:ffff:39a8:a6e1
57.168.166.226 0:0:0:0:0:ffff:39a8:a6e2
57.168.166.227 0:0:0:0:0:ffff:39a8:a6e3
57.168.166.228 0:0:0:0:0:ffff:39a8:a6e4
57.168.166.229 0:0:0:0:0:ffff:39a8:a6e5
57.168.166.230 0:0:0:0:0:ffff:39a8:a6e6
57.168.166.231 0:0:0:0:0:ffff:39a8:a6e7
57.168.166.232 0:0:0:0:0:ffff:39a8:a6e8
57.168.166.233 0:0:0:0:0:ffff:39a8:a6e9
57.168.166.234 0:0:0:0:0:ffff:39a8:a6ea
57.168.166.235 0:0:0:0:0:ffff:39a8:a6eb
57.168.166.236 0:0:0:0:0:ffff:39a8:a6ec
57.168.166.237 0:0:0:0:0:ffff:39a8:a6ed
57.168.166.238 0:0:0:0:0:ffff:39a8:a6ee
57.168.166.239 0:0:0:0:0:ffff:39a8:a6ef
57.168.166.240 0:0:0:0:0:ffff:39a8:a6f0
57.168.166.241 0:0:0:0:0:ffff:39a8:a6f1
57.168.166.242 0:0:0:0:0:ffff:39a8:a6f2
57.168.166.243 0:0:0:0:0:ffff:39a8:a6f3
57.168.166.244 0:0:0:0:0:ffff:39a8:a6f4
57.168.166.245 0:0:0:0:0:ffff:39a8:a6f5
57.168.166.246 0:0:0:0:0:ffff:39a8:a6f6
57.168.166.247 0:0:0:0:0:ffff:39a8:a6f7
57.168.166.248 0:0:0:0:0:ffff:39a8:a6f8
57.168.166.249 0:0:0:0:0:ffff:39a8:a6f9
57.168.166.250 0:0:0:0:0:ffff:39a8:a6fa
57.168.166.251 0:0:0:0:0:ffff:39a8:a6fb
57.168.166.252 0:0:0:0:0:ffff:39a8:a6fc
57.168.166.253 0:0:0:0:0:ffff:39a8:a6fd
57.168.166.254 0:0:0:0:0:ffff:39a8:a6fe
57.168.166.255 0:0:0:0:0:ffff:39a8: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.