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
157.187.166.1 0:0:0:0:0:ffff:9dbb:a601
157.187.166.2 0:0:0:0:0:ffff:9dbb:a602
157.187.166.3 0:0:0:0:0:ffff:9dbb:a603
157.187.166.4 0:0:0:0:0:ffff:9dbb:a604
157.187.166.5 0:0:0:0:0:ffff:9dbb:a605
157.187.166.6 0:0:0:0:0:ffff:9dbb:a606
157.187.166.7 0:0:0:0:0:ffff:9dbb:a607
157.187.166.8 0:0:0:0:0:ffff:9dbb:a608
157.187.166.9 0:0:0:0:0:ffff:9dbb:a609
157.187.166.10 0:0:0:0:0:ffff:9dbb:a60a
157.187.166.11 0:0:0:0:0:ffff:9dbb:a60b
157.187.166.12 0:0:0:0:0:ffff:9dbb:a60c
157.187.166.13 0:0:0:0:0:ffff:9dbb:a60d
157.187.166.14 0:0:0:0:0:ffff:9dbb:a60e
157.187.166.15 0:0:0:0:0:ffff:9dbb:a60f
157.187.166.16 0:0:0:0:0:ffff:9dbb:a610
157.187.166.17 0:0:0:0:0:ffff:9dbb:a611
157.187.166.18 0:0:0:0:0:ffff:9dbb:a612
157.187.166.19 0:0:0:0:0:ffff:9dbb:a613
157.187.166.20 0:0:0:0:0:ffff:9dbb:a614
157.187.166.21 0:0:0:0:0:ffff:9dbb:a615
157.187.166.22 0:0:0:0:0:ffff:9dbb:a616
157.187.166.23 0:0:0:0:0:ffff:9dbb:a617
157.187.166.24 0:0:0:0:0:ffff:9dbb:a618
157.187.166.25 0:0:0:0:0:ffff:9dbb:a619
157.187.166.26 0:0:0:0:0:ffff:9dbb:a61a
157.187.166.27 0:0:0:0:0:ffff:9dbb:a61b
157.187.166.28 0:0:0:0:0:ffff:9dbb:a61c
157.187.166.29 0:0:0:0:0:ffff:9dbb:a61d
157.187.166.30 0:0:0:0:0:ffff:9dbb:a61e
157.187.166.31 0:0:0:0:0:ffff:9dbb:a61f
157.187.166.32 0:0:0:0:0:ffff:9dbb:a620
157.187.166.33 0:0:0:0:0:ffff:9dbb:a621
157.187.166.34 0:0:0:0:0:ffff:9dbb:a622
157.187.166.35 0:0:0:0:0:ffff:9dbb:a623
157.187.166.36 0:0:0:0:0:ffff:9dbb:a624
157.187.166.37 0:0:0:0:0:ffff:9dbb:a625
157.187.166.38 0:0:0:0:0:ffff:9dbb:a626
157.187.166.39 0:0:0:0:0:ffff:9dbb:a627
157.187.166.40 0:0:0:0:0:ffff:9dbb:a628
157.187.166.41 0:0:0:0:0:ffff:9dbb:a629
157.187.166.42 0:0:0:0:0:ffff:9dbb:a62a
157.187.166.43 0:0:0:0:0:ffff:9dbb:a62b
157.187.166.44 0:0:0:0:0:ffff:9dbb:a62c
157.187.166.45 0:0:0:0:0:ffff:9dbb:a62d
157.187.166.46 0:0:0:0:0:ffff:9dbb:a62e
157.187.166.47 0:0:0:0:0:ffff:9dbb:a62f
157.187.166.48 0:0:0:0:0:ffff:9dbb:a630
157.187.166.49 0:0:0:0:0:ffff:9dbb:a631
157.187.166.50 0:0:0:0:0:ffff:9dbb:a632
157.187.166.51 0:0:0:0:0:ffff:9dbb:a633
157.187.166.52 0:0:0:0:0:ffff:9dbb:a634
157.187.166.53 0:0:0:0:0:ffff:9dbb:a635
157.187.166.54 0:0:0:0:0:ffff:9dbb:a636
157.187.166.55 0:0:0:0:0:ffff:9dbb:a637
157.187.166.56 0:0:0:0:0:ffff:9dbb:a638
157.187.166.57 0:0:0:0:0:ffff:9dbb:a639
157.187.166.58 0:0:0:0:0:ffff:9dbb:a63a
157.187.166.59 0:0:0:0:0:ffff:9dbb:a63b
157.187.166.60 0:0:0:0:0:ffff:9dbb:a63c


157.187.166.61 0:0:0:0:0:ffff:9dbb:a63d
157.187.166.62 0:0:0:0:0:ffff:9dbb:a63e
157.187.166.63 0:0:0:0:0:ffff:9dbb:a63f
157.187.166.64 0:0:0:0:0:ffff:9dbb:a640
157.187.166.65 0:0:0:0:0:ffff:9dbb:a641
157.187.166.66 0:0:0:0:0:ffff:9dbb:a642
157.187.166.67 0:0:0:0:0:ffff:9dbb:a643
157.187.166.68 0:0:0:0:0:ffff:9dbb:a644
157.187.166.69 0:0:0:0:0:ffff:9dbb:a645
157.187.166.70 0:0:0:0:0:ffff:9dbb:a646
157.187.166.71 0:0:0:0:0:ffff:9dbb:a647
157.187.166.72 0:0:0:0:0:ffff:9dbb:a648
157.187.166.73 0:0:0:0:0:ffff:9dbb:a649
157.187.166.74 0:0:0:0:0:ffff:9dbb:a64a
157.187.166.75 0:0:0:0:0:ffff:9dbb:a64b
157.187.166.76 0:0:0:0:0:ffff:9dbb:a64c
157.187.166.77 0:0:0:0:0:ffff:9dbb:a64d
157.187.166.78 0:0:0:0:0:ffff:9dbb:a64e
157.187.166.79 0:0:0:0:0:ffff:9dbb:a64f
157.187.166.80 0:0:0:0:0:ffff:9dbb:a650
157.187.166.81 0:0:0:0:0:ffff:9dbb:a651
157.187.166.82 0:0:0:0:0:ffff:9dbb:a652
157.187.166.83 0:0:0:0:0:ffff:9dbb:a653
157.187.166.84 0:0:0:0:0:ffff:9dbb:a654
157.187.166.85 0:0:0:0:0:ffff:9dbb:a655
157.187.166.86 0:0:0:0:0:ffff:9dbb:a656
157.187.166.87 0:0:0:0:0:ffff:9dbb:a657
157.187.166.88 0:0:0:0:0:ffff:9dbb:a658
157.187.166.89 0:0:0:0:0:ffff:9dbb:a659
157.187.166.90 0:0:0:0:0:ffff:9dbb:a65a
157.187.166.91 0:0:0:0:0:ffff:9dbb:a65b
157.187.166.92 0:0:0:0:0:ffff:9dbb:a65c
157.187.166.93 0:0:0:0:0:ffff:9dbb:a65d
157.187.166.94 0:0:0:0:0:ffff:9dbb:a65e
157.187.166.95 0:0:0:0:0:ffff:9dbb:a65f
157.187.166.96 0:0:0:0:0:ffff:9dbb:a660
157.187.166.97 0:0:0:0:0:ffff:9dbb:a661
157.187.166.98 0:0:0:0:0:ffff:9dbb:a662
157.187.166.99 0:0:0:0:0:ffff:9dbb:a663
157.187.166.100 0:0:0:0:0:ffff:9dbb:a664
157.187.166.101 0:0:0:0:0:ffff:9dbb:a665
157.187.166.102 0:0:0:0:0:ffff:9dbb:a666
157.187.166.103 0:0:0:0:0:ffff:9dbb:a667
157.187.166.104 0:0:0:0:0:ffff:9dbb:a668
157.187.166.105 0:0:0:0:0:ffff:9dbb:a669
157.187.166.106 0:0:0:0:0:ffff:9dbb:a66a
157.187.166.107 0:0:0:0:0:ffff:9dbb:a66b
157.187.166.108 0:0:0:0:0:ffff:9dbb:a66c
157.187.166.109 0:0:0:0:0:ffff:9dbb:a66d
157.187.166.110 0:0:0:0:0:ffff:9dbb:a66e
157.187.166.111 0:0:0:0:0:ffff:9dbb:a66f
157.187.166.112 0:0:0:0:0:ffff:9dbb:a670
157.187.166.113 0:0:0:0:0:ffff:9dbb:a671
157.187.166.114 0:0:0:0:0:ffff:9dbb:a672
157.187.166.115 0:0:0:0:0:ffff:9dbb:a673
157.187.166.116 0:0:0:0:0:ffff:9dbb:a674
157.187.166.117 0:0:0:0:0:ffff:9dbb:a675
157.187.166.118 0:0:0:0:0:ffff:9dbb:a676
157.187.166.119 0:0:0:0:0:ffff:9dbb:a677
157.187.166.120 0:0:0:0:0:ffff:9dbb:a678


157.187.166.121 0:0:0:0:0:ffff:9dbb:a679
157.187.166.122 0:0:0:0:0:ffff:9dbb:a67a
157.187.166.123 0:0:0:0:0:ffff:9dbb:a67b
157.187.166.124 0:0:0:0:0:ffff:9dbb:a67c
157.187.166.125 0:0:0:0:0:ffff:9dbb:a67d
157.187.166.126 0:0:0:0:0:ffff:9dbb:a67e
157.187.166.127 0:0:0:0:0:ffff:9dbb:a67f
157.187.166.128 0:0:0:0:0:ffff:9dbb:a680
157.187.166.129 0:0:0:0:0:ffff:9dbb:a681
157.187.166.130 0:0:0:0:0:ffff:9dbb:a682
157.187.166.131 0:0:0:0:0:ffff:9dbb:a683
157.187.166.132 0:0:0:0:0:ffff:9dbb:a684
157.187.166.133 0:0:0:0:0:ffff:9dbb:a685
157.187.166.134 0:0:0:0:0:ffff:9dbb:a686
157.187.166.135 0:0:0:0:0:ffff:9dbb:a687
157.187.166.136 0:0:0:0:0:ffff:9dbb:a688
157.187.166.137 0:0:0:0:0:ffff:9dbb:a689
157.187.166.138 0:0:0:0:0:ffff:9dbb:a68a
157.187.166.139 0:0:0:0:0:ffff:9dbb:a68b
157.187.166.140 0:0:0:0:0:ffff:9dbb:a68c
157.187.166.141 0:0:0:0:0:ffff:9dbb:a68d
157.187.166.142 0:0:0:0:0:ffff:9dbb:a68e
157.187.166.143 0:0:0:0:0:ffff:9dbb:a68f
157.187.166.144 0:0:0:0:0:ffff:9dbb:a690
157.187.166.145 0:0:0:0:0:ffff:9dbb:a691
157.187.166.146 0:0:0:0:0:ffff:9dbb:a692
157.187.166.147 0:0:0:0:0:ffff:9dbb:a693
157.187.166.148 0:0:0:0:0:ffff:9dbb:a694
157.187.166.149 0:0:0:0:0:ffff:9dbb:a695
157.187.166.150 0:0:0:0:0:ffff:9dbb:a696
157.187.166.151 0:0:0:0:0:ffff:9dbb:a697
157.187.166.152 0:0:0:0:0:ffff:9dbb:a698
157.187.166.153 0:0:0:0:0:ffff:9dbb:a699
157.187.166.154 0:0:0:0:0:ffff:9dbb:a69a
157.187.166.155 0:0:0:0:0:ffff:9dbb:a69b
157.187.166.156 0:0:0:0:0:ffff:9dbb:a69c
157.187.166.157 0:0:0:0:0:ffff:9dbb:a69d
157.187.166.158 0:0:0:0:0:ffff:9dbb:a69e
157.187.166.159 0:0:0:0:0:ffff:9dbb:a69f
157.187.166.160 0:0:0:0:0:ffff:9dbb:a6a0
157.187.166.161 0:0:0:0:0:ffff:9dbb:a6a1
157.187.166.162 0:0:0:0:0:ffff:9dbb:a6a2
157.187.166.163 0:0:0:0:0:ffff:9dbb:a6a3
157.187.166.164 0:0:0:0:0:ffff:9dbb:a6a4
157.187.166.165 0:0:0:0:0:ffff:9dbb:a6a5
157.187.166.166 0:0:0:0:0:ffff:9dbb:a6a6
157.187.166.167 0:0:0:0:0:ffff:9dbb:a6a7
157.187.166.168 0:0:0:0:0:ffff:9dbb:a6a8
157.187.166.169 0:0:0:0:0:ffff:9dbb:a6a9
157.187.166.170 0:0:0:0:0:ffff:9dbb:a6aa
157.187.166.171 0:0:0:0:0:ffff:9dbb:a6ab
157.187.166.172 0:0:0:0:0:ffff:9dbb:a6ac
157.187.166.173 0:0:0:0:0:ffff:9dbb:a6ad
157.187.166.174 0:0:0:0:0:ffff:9dbb:a6ae
157.187.166.175 0:0:0:0:0:ffff:9dbb:a6af
157.187.166.176 0:0:0:0:0:ffff:9dbb:a6b0
157.187.166.177 0:0:0:0:0:ffff:9dbb:a6b1
157.187.166.178 0:0:0:0:0:ffff:9dbb:a6b2
157.187.166.179 0:0:0:0:0:ffff:9dbb:a6b3
157.187.166.180 0:0:0:0:0:ffff:9dbb:a6b4


157.187.166.181 0:0:0:0:0:ffff:9dbb:a6b5
157.187.166.182 0:0:0:0:0:ffff:9dbb:a6b6
157.187.166.183 0:0:0:0:0:ffff:9dbb:a6b7
157.187.166.184 0:0:0:0:0:ffff:9dbb:a6b8
157.187.166.185 0:0:0:0:0:ffff:9dbb:a6b9
157.187.166.186 0:0:0:0:0:ffff:9dbb:a6ba
157.187.166.187 0:0:0:0:0:ffff:9dbb:a6bb
157.187.166.188 0:0:0:0:0:ffff:9dbb:a6bc
157.187.166.189 0:0:0:0:0:ffff:9dbb:a6bd
157.187.166.190 0:0:0:0:0:ffff:9dbb:a6be
157.187.166.191 0:0:0:0:0:ffff:9dbb:a6bf
157.187.166.192 0:0:0:0:0:ffff:9dbb:a6c0
157.187.166.193 0:0:0:0:0:ffff:9dbb:a6c1
157.187.166.194 0:0:0:0:0:ffff:9dbb:a6c2
157.187.166.195 0:0:0:0:0:ffff:9dbb:a6c3
157.187.166.196 0:0:0:0:0:ffff:9dbb:a6c4
157.187.166.197 0:0:0:0:0:ffff:9dbb:a6c5
157.187.166.198 0:0:0:0:0:ffff:9dbb:a6c6
157.187.166.199 0:0:0:0:0:ffff:9dbb:a6c7
157.187.166.200 0:0:0:0:0:ffff:9dbb:a6c8
157.187.166.201 0:0:0:0:0:ffff:9dbb:a6c9
157.187.166.202 0:0:0:0:0:ffff:9dbb:a6ca
157.187.166.203 0:0:0:0:0:ffff:9dbb:a6cb
157.187.166.204 0:0:0:0:0:ffff:9dbb:a6cc
157.187.166.205 0:0:0:0:0:ffff:9dbb:a6cd
157.187.166.206 0:0:0:0:0:ffff:9dbb:a6ce
157.187.166.207 0:0:0:0:0:ffff:9dbb:a6cf
157.187.166.208 0:0:0:0:0:ffff:9dbb:a6d0
157.187.166.209 0:0:0:0:0:ffff:9dbb:a6d1
157.187.166.210 0:0:0:0:0:ffff:9dbb:a6d2
157.187.166.211 0:0:0:0:0:ffff:9dbb:a6d3
157.187.166.212 0:0:0:0:0:ffff:9dbb:a6d4
157.187.166.213 0:0:0:0:0:ffff:9dbb:a6d5
157.187.166.214 0:0:0:0:0:ffff:9dbb:a6d6
157.187.166.215 0:0:0:0:0:ffff:9dbb:a6d7
157.187.166.216 0:0:0:0:0:ffff:9dbb:a6d8
157.187.166.217 0:0:0:0:0:ffff:9dbb:a6d9
157.187.166.218 0:0:0:0:0:ffff:9dbb:a6da
157.187.166.219 0:0:0:0:0:ffff:9dbb:a6db
157.187.166.220 0:0:0:0:0:ffff:9dbb:a6dc
157.187.166.221 0:0:0:0:0:ffff:9dbb:a6dd
157.187.166.222 0:0:0:0:0:ffff:9dbb:a6de
157.187.166.223 0:0:0:0:0:ffff:9dbb:a6df
157.187.166.224 0:0:0:0:0:ffff:9dbb:a6e0
157.187.166.225 0:0:0:0:0:ffff:9dbb:a6e1
157.187.166.226 0:0:0:0:0:ffff:9dbb:a6e2
157.187.166.227 0:0:0:0:0:ffff:9dbb:a6e3
157.187.166.228 0:0:0:0:0:ffff:9dbb:a6e4
157.187.166.229 0:0:0:0:0:ffff:9dbb:a6e5
157.187.166.230 0:0:0:0:0:ffff:9dbb:a6e6
157.187.166.231 0:0:0:0:0:ffff:9dbb:a6e7
157.187.166.232 0:0:0:0:0:ffff:9dbb:a6e8
157.187.166.233 0:0:0:0:0:ffff:9dbb:a6e9
157.187.166.234 0:0:0:0:0:ffff:9dbb:a6ea
157.187.166.235 0:0:0:0:0:ffff:9dbb:a6eb
157.187.166.236 0:0:0:0:0:ffff:9dbb:a6ec
157.187.166.237 0:0:0:0:0:ffff:9dbb:a6ed
157.187.166.238 0:0:0:0:0:ffff:9dbb:a6ee
157.187.166.239 0:0:0:0:0:ffff:9dbb:a6ef
157.187.166.240 0:0:0:0:0:ffff:9dbb:a6f0
157.187.166.241 0:0:0:0:0:ffff:9dbb:a6f1
157.187.166.242 0:0:0:0:0:ffff:9dbb:a6f2
157.187.166.243 0:0:0:0:0:ffff:9dbb:a6f3
157.187.166.244 0:0:0:0:0:ffff:9dbb:a6f4
157.187.166.245 0:0:0:0:0:ffff:9dbb:a6f5
157.187.166.246 0:0:0:0:0:ffff:9dbb:a6f6
157.187.166.247 0:0:0:0:0:ffff:9dbb:a6f7
157.187.166.248 0:0:0:0:0:ffff:9dbb:a6f8
157.187.166.249 0:0:0:0:0:ffff:9dbb:a6f9
157.187.166.250 0:0:0:0:0:ffff:9dbb:a6fa
157.187.166.251 0:0:0:0:0:ffff:9dbb:a6fb
157.187.166.252 0:0:0:0:0:ffff:9dbb:a6fc
157.187.166.253 0:0:0:0:0:ffff:9dbb:a6fd
157.187.166.254 0:0:0:0:0:ffff:9dbb:a6fe
157.187.166.255 0:0:0:0:0:ffff:9dbb: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.