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
157.187.102.1 0:0:0:0:0:ffff:9dbb:6601
157.187.102.2 0:0:0:0:0:ffff:9dbb:6602
157.187.102.3 0:0:0:0:0:ffff:9dbb:6603
157.187.102.4 0:0:0:0:0:ffff:9dbb:6604
157.187.102.5 0:0:0:0:0:ffff:9dbb:6605
157.187.102.6 0:0:0:0:0:ffff:9dbb:6606
157.187.102.7 0:0:0:0:0:ffff:9dbb:6607
157.187.102.8 0:0:0:0:0:ffff:9dbb:6608
157.187.102.9 0:0:0:0:0:ffff:9dbb:6609
157.187.102.10 0:0:0:0:0:ffff:9dbb:660a
157.187.102.11 0:0:0:0:0:ffff:9dbb:660b
157.187.102.12 0:0:0:0:0:ffff:9dbb:660c
157.187.102.13 0:0:0:0:0:ffff:9dbb:660d
157.187.102.14 0:0:0:0:0:ffff:9dbb:660e
157.187.102.15 0:0:0:0:0:ffff:9dbb:660f
157.187.102.16 0:0:0:0:0:ffff:9dbb:6610
157.187.102.17 0:0:0:0:0:ffff:9dbb:6611
157.187.102.18 0:0:0:0:0:ffff:9dbb:6612
157.187.102.19 0:0:0:0:0:ffff:9dbb:6613
157.187.102.20 0:0:0:0:0:ffff:9dbb:6614
157.187.102.21 0:0:0:0:0:ffff:9dbb:6615
157.187.102.22 0:0:0:0:0:ffff:9dbb:6616
157.187.102.23 0:0:0:0:0:ffff:9dbb:6617
157.187.102.24 0:0:0:0:0:ffff:9dbb:6618
157.187.102.25 0:0:0:0:0:ffff:9dbb:6619
157.187.102.26 0:0:0:0:0:ffff:9dbb:661a
157.187.102.27 0:0:0:0:0:ffff:9dbb:661b
157.187.102.28 0:0:0:0:0:ffff:9dbb:661c
157.187.102.29 0:0:0:0:0:ffff:9dbb:661d
157.187.102.30 0:0:0:0:0:ffff:9dbb:661e
157.187.102.31 0:0:0:0:0:ffff:9dbb:661f
157.187.102.32 0:0:0:0:0:ffff:9dbb:6620
157.187.102.33 0:0:0:0:0:ffff:9dbb:6621
157.187.102.34 0:0:0:0:0:ffff:9dbb:6622
157.187.102.35 0:0:0:0:0:ffff:9dbb:6623
157.187.102.36 0:0:0:0:0:ffff:9dbb:6624
157.187.102.37 0:0:0:0:0:ffff:9dbb:6625
157.187.102.38 0:0:0:0:0:ffff:9dbb:6626
157.187.102.39 0:0:0:0:0:ffff:9dbb:6627
157.187.102.40 0:0:0:0:0:ffff:9dbb:6628
157.187.102.41 0:0:0:0:0:ffff:9dbb:6629
157.187.102.42 0:0:0:0:0:ffff:9dbb:662a
157.187.102.43 0:0:0:0:0:ffff:9dbb:662b
157.187.102.44 0:0:0:0:0:ffff:9dbb:662c
157.187.102.45 0:0:0:0:0:ffff:9dbb:662d
157.187.102.46 0:0:0:0:0:ffff:9dbb:662e
157.187.102.47 0:0:0:0:0:ffff:9dbb:662f
157.187.102.48 0:0:0:0:0:ffff:9dbb:6630
157.187.102.49 0:0:0:0:0:ffff:9dbb:6631
157.187.102.50 0:0:0:0:0:ffff:9dbb:6632
157.187.102.51 0:0:0:0:0:ffff:9dbb:6633
157.187.102.52 0:0:0:0:0:ffff:9dbb:6634
157.187.102.53 0:0:0:0:0:ffff:9dbb:6635
157.187.102.54 0:0:0:0:0:ffff:9dbb:6636
157.187.102.55 0:0:0:0:0:ffff:9dbb:6637
157.187.102.56 0:0:0:0:0:ffff:9dbb:6638
157.187.102.57 0:0:0:0:0:ffff:9dbb:6639
157.187.102.58 0:0:0:0:0:ffff:9dbb:663a
157.187.102.59 0:0:0:0:0:ffff:9dbb:663b
157.187.102.60 0:0:0:0:0:ffff:9dbb:663c


157.187.102.61 0:0:0:0:0:ffff:9dbb:663d
157.187.102.62 0:0:0:0:0:ffff:9dbb:663e
157.187.102.63 0:0:0:0:0:ffff:9dbb:663f
157.187.102.64 0:0:0:0:0:ffff:9dbb:6640
157.187.102.65 0:0:0:0:0:ffff:9dbb:6641
157.187.102.66 0:0:0:0:0:ffff:9dbb:6642
157.187.102.67 0:0:0:0:0:ffff:9dbb:6643
157.187.102.68 0:0:0:0:0:ffff:9dbb:6644
157.187.102.69 0:0:0:0:0:ffff:9dbb:6645
157.187.102.70 0:0:0:0:0:ffff:9dbb:6646
157.187.102.71 0:0:0:0:0:ffff:9dbb:6647
157.187.102.72 0:0:0:0:0:ffff:9dbb:6648
157.187.102.73 0:0:0:0:0:ffff:9dbb:6649
157.187.102.74 0:0:0:0:0:ffff:9dbb:664a
157.187.102.75 0:0:0:0:0:ffff:9dbb:664b
157.187.102.76 0:0:0:0:0:ffff:9dbb:664c
157.187.102.77 0:0:0:0:0:ffff:9dbb:664d
157.187.102.78 0:0:0:0:0:ffff:9dbb:664e
157.187.102.79 0:0:0:0:0:ffff:9dbb:664f
157.187.102.80 0:0:0:0:0:ffff:9dbb:6650
157.187.102.81 0:0:0:0:0:ffff:9dbb:6651
157.187.102.82 0:0:0:0:0:ffff:9dbb:6652
157.187.102.83 0:0:0:0:0:ffff:9dbb:6653
157.187.102.84 0:0:0:0:0:ffff:9dbb:6654
157.187.102.85 0:0:0:0:0:ffff:9dbb:6655
157.187.102.86 0:0:0:0:0:ffff:9dbb:6656
157.187.102.87 0:0:0:0:0:ffff:9dbb:6657
157.187.102.88 0:0:0:0:0:ffff:9dbb:6658
157.187.102.89 0:0:0:0:0:ffff:9dbb:6659
157.187.102.90 0:0:0:0:0:ffff:9dbb:665a
157.187.102.91 0:0:0:0:0:ffff:9dbb:665b
157.187.102.92 0:0:0:0:0:ffff:9dbb:665c
157.187.102.93 0:0:0:0:0:ffff:9dbb:665d
157.187.102.94 0:0:0:0:0:ffff:9dbb:665e
157.187.102.95 0:0:0:0:0:ffff:9dbb:665f
157.187.102.96 0:0:0:0:0:ffff:9dbb:6660
157.187.102.97 0:0:0:0:0:ffff:9dbb:6661
157.187.102.98 0:0:0:0:0:ffff:9dbb:6662
157.187.102.99 0:0:0:0:0:ffff:9dbb:6663
157.187.102.100 0:0:0:0:0:ffff:9dbb:6664
157.187.102.101 0:0:0:0:0:ffff:9dbb:6665
157.187.102.102 0:0:0:0:0:ffff:9dbb:6666
157.187.102.103 0:0:0:0:0:ffff:9dbb:6667
157.187.102.104 0:0:0:0:0:ffff:9dbb:6668
157.187.102.105 0:0:0:0:0:ffff:9dbb:6669
157.187.102.106 0:0:0:0:0:ffff:9dbb:666a
157.187.102.107 0:0:0:0:0:ffff:9dbb:666b
157.187.102.108 0:0:0:0:0:ffff:9dbb:666c
157.187.102.109 0:0:0:0:0:ffff:9dbb:666d
157.187.102.110 0:0:0:0:0:ffff:9dbb:666e
157.187.102.111 0:0:0:0:0:ffff:9dbb:666f
157.187.102.112 0:0:0:0:0:ffff:9dbb:6670
157.187.102.113 0:0:0:0:0:ffff:9dbb:6671
157.187.102.114 0:0:0:0:0:ffff:9dbb:6672
157.187.102.115 0:0:0:0:0:ffff:9dbb:6673
157.187.102.116 0:0:0:0:0:ffff:9dbb:6674
157.187.102.117 0:0:0:0:0:ffff:9dbb:6675
157.187.102.118 0:0:0:0:0:ffff:9dbb:6676
157.187.102.119 0:0:0:0:0:ffff:9dbb:6677
157.187.102.120 0:0:0:0:0:ffff:9dbb:6678


157.187.102.121 0:0:0:0:0:ffff:9dbb:6679
157.187.102.122 0:0:0:0:0:ffff:9dbb:667a
157.187.102.123 0:0:0:0:0:ffff:9dbb:667b
157.187.102.124 0:0:0:0:0:ffff:9dbb:667c
157.187.102.125 0:0:0:0:0:ffff:9dbb:667d
157.187.102.126 0:0:0:0:0:ffff:9dbb:667e
157.187.102.127 0:0:0:0:0:ffff:9dbb:667f
157.187.102.128 0:0:0:0:0:ffff:9dbb:6680
157.187.102.129 0:0:0:0:0:ffff:9dbb:6681
157.187.102.130 0:0:0:0:0:ffff:9dbb:6682
157.187.102.131 0:0:0:0:0:ffff:9dbb:6683
157.187.102.132 0:0:0:0:0:ffff:9dbb:6684
157.187.102.133 0:0:0:0:0:ffff:9dbb:6685
157.187.102.134 0:0:0:0:0:ffff:9dbb:6686
157.187.102.135 0:0:0:0:0:ffff:9dbb:6687
157.187.102.136 0:0:0:0:0:ffff:9dbb:6688
157.187.102.137 0:0:0:0:0:ffff:9dbb:6689
157.187.102.138 0:0:0:0:0:ffff:9dbb:668a
157.187.102.139 0:0:0:0:0:ffff:9dbb:668b
157.187.102.140 0:0:0:0:0:ffff:9dbb:668c
157.187.102.141 0:0:0:0:0:ffff:9dbb:668d
157.187.102.142 0:0:0:0:0:ffff:9dbb:668e
157.187.102.143 0:0:0:0:0:ffff:9dbb:668f
157.187.102.144 0:0:0:0:0:ffff:9dbb:6690
157.187.102.145 0:0:0:0:0:ffff:9dbb:6691
157.187.102.146 0:0:0:0:0:ffff:9dbb:6692
157.187.102.147 0:0:0:0:0:ffff:9dbb:6693
157.187.102.148 0:0:0:0:0:ffff:9dbb:6694
157.187.102.149 0:0:0:0:0:ffff:9dbb:6695
157.187.102.150 0:0:0:0:0:ffff:9dbb:6696
157.187.102.151 0:0:0:0:0:ffff:9dbb:6697
157.187.102.152 0:0:0:0:0:ffff:9dbb:6698
157.187.102.153 0:0:0:0:0:ffff:9dbb:6699
157.187.102.154 0:0:0:0:0:ffff:9dbb:669a
157.187.102.155 0:0:0:0:0:ffff:9dbb:669b
157.187.102.156 0:0:0:0:0:ffff:9dbb:669c
157.187.102.157 0:0:0:0:0:ffff:9dbb:669d
157.187.102.158 0:0:0:0:0:ffff:9dbb:669e
157.187.102.159 0:0:0:0:0:ffff:9dbb:669f
157.187.102.160 0:0:0:0:0:ffff:9dbb:66a0
157.187.102.161 0:0:0:0:0:ffff:9dbb:66a1
157.187.102.162 0:0:0:0:0:ffff:9dbb:66a2
157.187.102.163 0:0:0:0:0:ffff:9dbb:66a3
157.187.102.164 0:0:0:0:0:ffff:9dbb:66a4
157.187.102.165 0:0:0:0:0:ffff:9dbb:66a5
157.187.102.166 0:0:0:0:0:ffff:9dbb:66a6
157.187.102.167 0:0:0:0:0:ffff:9dbb:66a7
157.187.102.168 0:0:0:0:0:ffff:9dbb:66a8
157.187.102.169 0:0:0:0:0:ffff:9dbb:66a9
157.187.102.170 0:0:0:0:0:ffff:9dbb:66aa
157.187.102.171 0:0:0:0:0:ffff:9dbb:66ab
157.187.102.172 0:0:0:0:0:ffff:9dbb:66ac
157.187.102.173 0:0:0:0:0:ffff:9dbb:66ad
157.187.102.174 0:0:0:0:0:ffff:9dbb:66ae
157.187.102.175 0:0:0:0:0:ffff:9dbb:66af
157.187.102.176 0:0:0:0:0:ffff:9dbb:66b0
157.187.102.177 0:0:0:0:0:ffff:9dbb:66b1
157.187.102.178 0:0:0:0:0:ffff:9dbb:66b2
157.187.102.179 0:0:0:0:0:ffff:9dbb:66b3
157.187.102.180 0:0:0:0:0:ffff:9dbb:66b4


157.187.102.181 0:0:0:0:0:ffff:9dbb:66b5
157.187.102.182 0:0:0:0:0:ffff:9dbb:66b6
157.187.102.183 0:0:0:0:0:ffff:9dbb:66b7
157.187.102.184 0:0:0:0:0:ffff:9dbb:66b8
157.187.102.185 0:0:0:0:0:ffff:9dbb:66b9
157.187.102.186 0:0:0:0:0:ffff:9dbb:66ba
157.187.102.187 0:0:0:0:0:ffff:9dbb:66bb
157.187.102.188 0:0:0:0:0:ffff:9dbb:66bc
157.187.102.189 0:0:0:0:0:ffff:9dbb:66bd
157.187.102.190 0:0:0:0:0:ffff:9dbb:66be
157.187.102.191 0:0:0:0:0:ffff:9dbb:66bf
157.187.102.192 0:0:0:0:0:ffff:9dbb:66c0
157.187.102.193 0:0:0:0:0:ffff:9dbb:66c1
157.187.102.194 0:0:0:0:0:ffff:9dbb:66c2
157.187.102.195 0:0:0:0:0:ffff:9dbb:66c3
157.187.102.196 0:0:0:0:0:ffff:9dbb:66c4
157.187.102.197 0:0:0:0:0:ffff:9dbb:66c5
157.187.102.198 0:0:0:0:0:ffff:9dbb:66c6
157.187.102.199 0:0:0:0:0:ffff:9dbb:66c7
157.187.102.200 0:0:0:0:0:ffff:9dbb:66c8
157.187.102.201 0:0:0:0:0:ffff:9dbb:66c9
157.187.102.202 0:0:0:0:0:ffff:9dbb:66ca
157.187.102.203 0:0:0:0:0:ffff:9dbb:66cb
157.187.102.204 0:0:0:0:0:ffff:9dbb:66cc
157.187.102.205 0:0:0:0:0:ffff:9dbb:66cd
157.187.102.206 0:0:0:0:0:ffff:9dbb:66ce
157.187.102.207 0:0:0:0:0:ffff:9dbb:66cf
157.187.102.208 0:0:0:0:0:ffff:9dbb:66d0
157.187.102.209 0:0:0:0:0:ffff:9dbb:66d1
157.187.102.210 0:0:0:0:0:ffff:9dbb:66d2
157.187.102.211 0:0:0:0:0:ffff:9dbb:66d3
157.187.102.212 0:0:0:0:0:ffff:9dbb:66d4
157.187.102.213 0:0:0:0:0:ffff:9dbb:66d5
157.187.102.214 0:0:0:0:0:ffff:9dbb:66d6
157.187.102.215 0:0:0:0:0:ffff:9dbb:66d7
157.187.102.216 0:0:0:0:0:ffff:9dbb:66d8
157.187.102.217 0:0:0:0:0:ffff:9dbb:66d9
157.187.102.218 0:0:0:0:0:ffff:9dbb:66da
157.187.102.219 0:0:0:0:0:ffff:9dbb:66db
157.187.102.220 0:0:0:0:0:ffff:9dbb:66dc
157.187.102.221 0:0:0:0:0:ffff:9dbb:66dd
157.187.102.222 0:0:0:0:0:ffff:9dbb:66de
157.187.102.223 0:0:0:0:0:ffff:9dbb:66df
157.187.102.224 0:0:0:0:0:ffff:9dbb:66e0
157.187.102.225 0:0:0:0:0:ffff:9dbb:66e1
157.187.102.226 0:0:0:0:0:ffff:9dbb:66e2
157.187.102.227 0:0:0:0:0:ffff:9dbb:66e3
157.187.102.228 0:0:0:0:0:ffff:9dbb:66e4
157.187.102.229 0:0:0:0:0:ffff:9dbb:66e5
157.187.102.230 0:0:0:0:0:ffff:9dbb:66e6
157.187.102.231 0:0:0:0:0:ffff:9dbb:66e7
157.187.102.232 0:0:0:0:0:ffff:9dbb:66e8
157.187.102.233 0:0:0:0:0:ffff:9dbb:66e9
157.187.102.234 0:0:0:0:0:ffff:9dbb:66ea
157.187.102.235 0:0:0:0:0:ffff:9dbb:66eb
157.187.102.236 0:0:0:0:0:ffff:9dbb:66ec
157.187.102.237 0:0:0:0:0:ffff:9dbb:66ed
157.187.102.238 0:0:0:0:0:ffff:9dbb:66ee
157.187.102.239 0:0:0:0:0:ffff:9dbb:66ef
157.187.102.240 0:0:0:0:0:ffff:9dbb:66f0
157.187.102.241 0:0:0:0:0:ffff:9dbb:66f1
157.187.102.242 0:0:0:0:0:ffff:9dbb:66f2
157.187.102.243 0:0:0:0:0:ffff:9dbb:66f3
157.187.102.244 0:0:0:0:0:ffff:9dbb:66f4
157.187.102.245 0:0:0:0:0:ffff:9dbb:66f5
157.187.102.246 0:0:0:0:0:ffff:9dbb:66f6
157.187.102.247 0:0:0:0:0:ffff:9dbb:66f7
157.187.102.248 0:0:0:0:0:ffff:9dbb:66f8
157.187.102.249 0:0:0:0:0:ffff:9dbb:66f9
157.187.102.250 0:0:0:0:0:ffff:9dbb:66fa
157.187.102.251 0:0:0:0:0:ffff:9dbb:66fb
157.187.102.252 0:0:0:0:0:ffff:9dbb:66fc
157.187.102.253 0:0:0:0:0:ffff:9dbb:66fd
157.187.102.254 0:0:0:0:0:ffff:9dbb:66fe
157.187.102.255 0:0:0:0:0:ffff:9dbb:66ff


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.