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
157.187.139.1 0:0:0:0:0:ffff:9dbb:8b01
157.187.139.2 0:0:0:0:0:ffff:9dbb:8b02
157.187.139.3 0:0:0:0:0:ffff:9dbb:8b03
157.187.139.4 0:0:0:0:0:ffff:9dbb:8b04
157.187.139.5 0:0:0:0:0:ffff:9dbb:8b05
157.187.139.6 0:0:0:0:0:ffff:9dbb:8b06
157.187.139.7 0:0:0:0:0:ffff:9dbb:8b07
157.187.139.8 0:0:0:0:0:ffff:9dbb:8b08
157.187.139.9 0:0:0:0:0:ffff:9dbb:8b09
157.187.139.10 0:0:0:0:0:ffff:9dbb:8b0a
157.187.139.11 0:0:0:0:0:ffff:9dbb:8b0b
157.187.139.12 0:0:0:0:0:ffff:9dbb:8b0c
157.187.139.13 0:0:0:0:0:ffff:9dbb:8b0d
157.187.139.14 0:0:0:0:0:ffff:9dbb:8b0e
157.187.139.15 0:0:0:0:0:ffff:9dbb:8b0f
157.187.139.16 0:0:0:0:0:ffff:9dbb:8b10
157.187.139.17 0:0:0:0:0:ffff:9dbb:8b11
157.187.139.18 0:0:0:0:0:ffff:9dbb:8b12
157.187.139.19 0:0:0:0:0:ffff:9dbb:8b13
157.187.139.20 0:0:0:0:0:ffff:9dbb:8b14
157.187.139.21 0:0:0:0:0:ffff:9dbb:8b15
157.187.139.22 0:0:0:0:0:ffff:9dbb:8b16
157.187.139.23 0:0:0:0:0:ffff:9dbb:8b17
157.187.139.24 0:0:0:0:0:ffff:9dbb:8b18
157.187.139.25 0:0:0:0:0:ffff:9dbb:8b19
157.187.139.26 0:0:0:0:0:ffff:9dbb:8b1a
157.187.139.27 0:0:0:0:0:ffff:9dbb:8b1b
157.187.139.28 0:0:0:0:0:ffff:9dbb:8b1c
157.187.139.29 0:0:0:0:0:ffff:9dbb:8b1d
157.187.139.30 0:0:0:0:0:ffff:9dbb:8b1e
157.187.139.31 0:0:0:0:0:ffff:9dbb:8b1f
157.187.139.32 0:0:0:0:0:ffff:9dbb:8b20
157.187.139.33 0:0:0:0:0:ffff:9dbb:8b21
157.187.139.34 0:0:0:0:0:ffff:9dbb:8b22
157.187.139.35 0:0:0:0:0:ffff:9dbb:8b23
157.187.139.36 0:0:0:0:0:ffff:9dbb:8b24
157.187.139.37 0:0:0:0:0:ffff:9dbb:8b25
157.187.139.38 0:0:0:0:0:ffff:9dbb:8b26
157.187.139.39 0:0:0:0:0:ffff:9dbb:8b27
157.187.139.40 0:0:0:0:0:ffff:9dbb:8b28
157.187.139.41 0:0:0:0:0:ffff:9dbb:8b29
157.187.139.42 0:0:0:0:0:ffff:9dbb:8b2a
157.187.139.43 0:0:0:0:0:ffff:9dbb:8b2b
157.187.139.44 0:0:0:0:0:ffff:9dbb:8b2c
157.187.139.45 0:0:0:0:0:ffff:9dbb:8b2d
157.187.139.46 0:0:0:0:0:ffff:9dbb:8b2e
157.187.139.47 0:0:0:0:0:ffff:9dbb:8b2f
157.187.139.48 0:0:0:0:0:ffff:9dbb:8b30
157.187.139.49 0:0:0:0:0:ffff:9dbb:8b31
157.187.139.50 0:0:0:0:0:ffff:9dbb:8b32
157.187.139.51 0:0:0:0:0:ffff:9dbb:8b33
157.187.139.52 0:0:0:0:0:ffff:9dbb:8b34
157.187.139.53 0:0:0:0:0:ffff:9dbb:8b35
157.187.139.54 0:0:0:0:0:ffff:9dbb:8b36
157.187.139.55 0:0:0:0:0:ffff:9dbb:8b37
157.187.139.56 0:0:0:0:0:ffff:9dbb:8b38
157.187.139.57 0:0:0:0:0:ffff:9dbb:8b39
157.187.139.58 0:0:0:0:0:ffff:9dbb:8b3a
157.187.139.59 0:0:0:0:0:ffff:9dbb:8b3b
157.187.139.60 0:0:0:0:0:ffff:9dbb:8b3c


157.187.139.61 0:0:0:0:0:ffff:9dbb:8b3d
157.187.139.62 0:0:0:0:0:ffff:9dbb:8b3e
157.187.139.63 0:0:0:0:0:ffff:9dbb:8b3f
157.187.139.64 0:0:0:0:0:ffff:9dbb:8b40
157.187.139.65 0:0:0:0:0:ffff:9dbb:8b41
157.187.139.66 0:0:0:0:0:ffff:9dbb:8b42
157.187.139.67 0:0:0:0:0:ffff:9dbb:8b43
157.187.139.68 0:0:0:0:0:ffff:9dbb:8b44
157.187.139.69 0:0:0:0:0:ffff:9dbb:8b45
157.187.139.70 0:0:0:0:0:ffff:9dbb:8b46
157.187.139.71 0:0:0:0:0:ffff:9dbb:8b47
157.187.139.72 0:0:0:0:0:ffff:9dbb:8b48
157.187.139.73 0:0:0:0:0:ffff:9dbb:8b49
157.187.139.74 0:0:0:0:0:ffff:9dbb:8b4a
157.187.139.75 0:0:0:0:0:ffff:9dbb:8b4b
157.187.139.76 0:0:0:0:0:ffff:9dbb:8b4c
157.187.139.77 0:0:0:0:0:ffff:9dbb:8b4d
157.187.139.78 0:0:0:0:0:ffff:9dbb:8b4e
157.187.139.79 0:0:0:0:0:ffff:9dbb:8b4f
157.187.139.80 0:0:0:0:0:ffff:9dbb:8b50
157.187.139.81 0:0:0:0:0:ffff:9dbb:8b51
157.187.139.82 0:0:0:0:0:ffff:9dbb:8b52
157.187.139.83 0:0:0:0:0:ffff:9dbb:8b53
157.187.139.84 0:0:0:0:0:ffff:9dbb:8b54
157.187.139.85 0:0:0:0:0:ffff:9dbb:8b55
157.187.139.86 0:0:0:0:0:ffff:9dbb:8b56
157.187.139.87 0:0:0:0:0:ffff:9dbb:8b57
157.187.139.88 0:0:0:0:0:ffff:9dbb:8b58
157.187.139.89 0:0:0:0:0:ffff:9dbb:8b59
157.187.139.90 0:0:0:0:0:ffff:9dbb:8b5a
157.187.139.91 0:0:0:0:0:ffff:9dbb:8b5b
157.187.139.92 0:0:0:0:0:ffff:9dbb:8b5c
157.187.139.93 0:0:0:0:0:ffff:9dbb:8b5d
157.187.139.94 0:0:0:0:0:ffff:9dbb:8b5e
157.187.139.95 0:0:0:0:0:ffff:9dbb:8b5f
157.187.139.96 0:0:0:0:0:ffff:9dbb:8b60
157.187.139.97 0:0:0:0:0:ffff:9dbb:8b61
157.187.139.98 0:0:0:0:0:ffff:9dbb:8b62
157.187.139.99 0:0:0:0:0:ffff:9dbb:8b63
157.187.139.100 0:0:0:0:0:ffff:9dbb:8b64
157.187.139.101 0:0:0:0:0:ffff:9dbb:8b65
157.187.139.102 0:0:0:0:0:ffff:9dbb:8b66
157.187.139.103 0:0:0:0:0:ffff:9dbb:8b67
157.187.139.104 0:0:0:0:0:ffff:9dbb:8b68
157.187.139.105 0:0:0:0:0:ffff:9dbb:8b69
157.187.139.106 0:0:0:0:0:ffff:9dbb:8b6a
157.187.139.107 0:0:0:0:0:ffff:9dbb:8b6b
157.187.139.108 0:0:0:0:0:ffff:9dbb:8b6c
157.187.139.109 0:0:0:0:0:ffff:9dbb:8b6d
157.187.139.110 0:0:0:0:0:ffff:9dbb:8b6e
157.187.139.111 0:0:0:0:0:ffff:9dbb:8b6f
157.187.139.112 0:0:0:0:0:ffff:9dbb:8b70
157.187.139.113 0:0:0:0:0:ffff:9dbb:8b71
157.187.139.114 0:0:0:0:0:ffff:9dbb:8b72
157.187.139.115 0:0:0:0:0:ffff:9dbb:8b73
157.187.139.116 0:0:0:0:0:ffff:9dbb:8b74
157.187.139.117 0:0:0:0:0:ffff:9dbb:8b75
157.187.139.118 0:0:0:0:0:ffff:9dbb:8b76
157.187.139.119 0:0:0:0:0:ffff:9dbb:8b77
157.187.139.120 0:0:0:0:0:ffff:9dbb:8b78


157.187.139.121 0:0:0:0:0:ffff:9dbb:8b79
157.187.139.122 0:0:0:0:0:ffff:9dbb:8b7a
157.187.139.123 0:0:0:0:0:ffff:9dbb:8b7b
157.187.139.124 0:0:0:0:0:ffff:9dbb:8b7c
157.187.139.125 0:0:0:0:0:ffff:9dbb:8b7d
157.187.139.126 0:0:0:0:0:ffff:9dbb:8b7e
157.187.139.127 0:0:0:0:0:ffff:9dbb:8b7f
157.187.139.128 0:0:0:0:0:ffff:9dbb:8b80
157.187.139.129 0:0:0:0:0:ffff:9dbb:8b81
157.187.139.130 0:0:0:0:0:ffff:9dbb:8b82
157.187.139.131 0:0:0:0:0:ffff:9dbb:8b83
157.187.139.132 0:0:0:0:0:ffff:9dbb:8b84
157.187.139.133 0:0:0:0:0:ffff:9dbb:8b85
157.187.139.134 0:0:0:0:0:ffff:9dbb:8b86
157.187.139.135 0:0:0:0:0:ffff:9dbb:8b87
157.187.139.136 0:0:0:0:0:ffff:9dbb:8b88
157.187.139.137 0:0:0:0:0:ffff:9dbb:8b89
157.187.139.138 0:0:0:0:0:ffff:9dbb:8b8a
157.187.139.139 0:0:0:0:0:ffff:9dbb:8b8b
157.187.139.140 0:0:0:0:0:ffff:9dbb:8b8c
157.187.139.141 0:0:0:0:0:ffff:9dbb:8b8d
157.187.139.142 0:0:0:0:0:ffff:9dbb:8b8e
157.187.139.143 0:0:0:0:0:ffff:9dbb:8b8f
157.187.139.144 0:0:0:0:0:ffff:9dbb:8b90
157.187.139.145 0:0:0:0:0:ffff:9dbb:8b91
157.187.139.146 0:0:0:0:0:ffff:9dbb:8b92
157.187.139.147 0:0:0:0:0:ffff:9dbb:8b93
157.187.139.148 0:0:0:0:0:ffff:9dbb:8b94
157.187.139.149 0:0:0:0:0:ffff:9dbb:8b95
157.187.139.150 0:0:0:0:0:ffff:9dbb:8b96
157.187.139.151 0:0:0:0:0:ffff:9dbb:8b97
157.187.139.152 0:0:0:0:0:ffff:9dbb:8b98
157.187.139.153 0:0:0:0:0:ffff:9dbb:8b99
157.187.139.154 0:0:0:0:0:ffff:9dbb:8b9a
157.187.139.155 0:0:0:0:0:ffff:9dbb:8b9b
157.187.139.156 0:0:0:0:0:ffff:9dbb:8b9c
157.187.139.157 0:0:0:0:0:ffff:9dbb:8b9d
157.187.139.158 0:0:0:0:0:ffff:9dbb:8b9e
157.187.139.159 0:0:0:0:0:ffff:9dbb:8b9f
157.187.139.160 0:0:0:0:0:ffff:9dbb:8ba0
157.187.139.161 0:0:0:0:0:ffff:9dbb:8ba1
157.187.139.162 0:0:0:0:0:ffff:9dbb:8ba2
157.187.139.163 0:0:0:0:0:ffff:9dbb:8ba3
157.187.139.164 0:0:0:0:0:ffff:9dbb:8ba4
157.187.139.165 0:0:0:0:0:ffff:9dbb:8ba5
157.187.139.166 0:0:0:0:0:ffff:9dbb:8ba6
157.187.139.167 0:0:0:0:0:ffff:9dbb:8ba7
157.187.139.168 0:0:0:0:0:ffff:9dbb:8ba8
157.187.139.169 0:0:0:0:0:ffff:9dbb:8ba9
157.187.139.170 0:0:0:0:0:ffff:9dbb:8baa
157.187.139.171 0:0:0:0:0:ffff:9dbb:8bab
157.187.139.172 0:0:0:0:0:ffff:9dbb:8bac
157.187.139.173 0:0:0:0:0:ffff:9dbb:8bad
157.187.139.174 0:0:0:0:0:ffff:9dbb:8bae
157.187.139.175 0:0:0:0:0:ffff:9dbb:8baf
157.187.139.176 0:0:0:0:0:ffff:9dbb:8bb0
157.187.139.177 0:0:0:0:0:ffff:9dbb:8bb1
157.187.139.178 0:0:0:0:0:ffff:9dbb:8bb2
157.187.139.179 0:0:0:0:0:ffff:9dbb:8bb3
157.187.139.180 0:0:0:0:0:ffff:9dbb:8bb4


157.187.139.181 0:0:0:0:0:ffff:9dbb:8bb5
157.187.139.182 0:0:0:0:0:ffff:9dbb:8bb6
157.187.139.183 0:0:0:0:0:ffff:9dbb:8bb7
157.187.139.184 0:0:0:0:0:ffff:9dbb:8bb8
157.187.139.185 0:0:0:0:0:ffff:9dbb:8bb9
157.187.139.186 0:0:0:0:0:ffff:9dbb:8bba
157.187.139.187 0:0:0:0:0:ffff:9dbb:8bbb
157.187.139.188 0:0:0:0:0:ffff:9dbb:8bbc
157.187.139.189 0:0:0:0:0:ffff:9dbb:8bbd
157.187.139.190 0:0:0:0:0:ffff:9dbb:8bbe
157.187.139.191 0:0:0:0:0:ffff:9dbb:8bbf
157.187.139.192 0:0:0:0:0:ffff:9dbb:8bc0
157.187.139.193 0:0:0:0:0:ffff:9dbb:8bc1
157.187.139.194 0:0:0:0:0:ffff:9dbb:8bc2
157.187.139.195 0:0:0:0:0:ffff:9dbb:8bc3
157.187.139.196 0:0:0:0:0:ffff:9dbb:8bc4
157.187.139.197 0:0:0:0:0:ffff:9dbb:8bc5
157.187.139.198 0:0:0:0:0:ffff:9dbb:8bc6
157.187.139.199 0:0:0:0:0:ffff:9dbb:8bc7
157.187.139.200 0:0:0:0:0:ffff:9dbb:8bc8
157.187.139.201 0:0:0:0:0:ffff:9dbb:8bc9
157.187.139.202 0:0:0:0:0:ffff:9dbb:8bca
157.187.139.203 0:0:0:0:0:ffff:9dbb:8bcb
157.187.139.204 0:0:0:0:0:ffff:9dbb:8bcc
157.187.139.205 0:0:0:0:0:ffff:9dbb:8bcd
157.187.139.206 0:0:0:0:0:ffff:9dbb:8bce
157.187.139.207 0:0:0:0:0:ffff:9dbb:8bcf
157.187.139.208 0:0:0:0:0:ffff:9dbb:8bd0
157.187.139.209 0:0:0:0:0:ffff:9dbb:8bd1
157.187.139.210 0:0:0:0:0:ffff:9dbb:8bd2
157.187.139.211 0:0:0:0:0:ffff:9dbb:8bd3
157.187.139.212 0:0:0:0:0:ffff:9dbb:8bd4
157.187.139.213 0:0:0:0:0:ffff:9dbb:8bd5
157.187.139.214 0:0:0:0:0:ffff:9dbb:8bd6
157.187.139.215 0:0:0:0:0:ffff:9dbb:8bd7
157.187.139.216 0:0:0:0:0:ffff:9dbb:8bd8
157.187.139.217 0:0:0:0:0:ffff:9dbb:8bd9
157.187.139.218 0:0:0:0:0:ffff:9dbb:8bda
157.187.139.219 0:0:0:0:0:ffff:9dbb:8bdb
157.187.139.220 0:0:0:0:0:ffff:9dbb:8bdc
157.187.139.221 0:0:0:0:0:ffff:9dbb:8bdd
157.187.139.222 0:0:0:0:0:ffff:9dbb:8bde
157.187.139.223 0:0:0:0:0:ffff:9dbb:8bdf
157.187.139.224 0:0:0:0:0:ffff:9dbb:8be0
157.187.139.225 0:0:0:0:0:ffff:9dbb:8be1
157.187.139.226 0:0:0:0:0:ffff:9dbb:8be2
157.187.139.227 0:0:0:0:0:ffff:9dbb:8be3
157.187.139.228 0:0:0:0:0:ffff:9dbb:8be4
157.187.139.229 0:0:0:0:0:ffff:9dbb:8be5
157.187.139.230 0:0:0:0:0:ffff:9dbb:8be6
157.187.139.231 0:0:0:0:0:ffff:9dbb:8be7
157.187.139.232 0:0:0:0:0:ffff:9dbb:8be8
157.187.139.233 0:0:0:0:0:ffff:9dbb:8be9
157.187.139.234 0:0:0:0:0:ffff:9dbb:8bea
157.187.139.235 0:0:0:0:0:ffff:9dbb:8beb
157.187.139.236 0:0:0:0:0:ffff:9dbb:8bec
157.187.139.237 0:0:0:0:0:ffff:9dbb:8bed
157.187.139.238 0:0:0:0:0:ffff:9dbb:8bee
157.187.139.239 0:0:0:0:0:ffff:9dbb:8bef
157.187.139.240 0:0:0:0:0:ffff:9dbb:8bf0
157.187.139.241 0:0:0:0:0:ffff:9dbb:8bf1
157.187.139.242 0:0:0:0:0:ffff:9dbb:8bf2
157.187.139.243 0:0:0:0:0:ffff:9dbb:8bf3
157.187.139.244 0:0:0:0:0:ffff:9dbb:8bf4
157.187.139.245 0:0:0:0:0:ffff:9dbb:8bf5
157.187.139.246 0:0:0:0:0:ffff:9dbb:8bf6
157.187.139.247 0:0:0:0:0:ffff:9dbb:8bf7
157.187.139.248 0:0:0:0:0:ffff:9dbb:8bf8
157.187.139.249 0:0:0:0:0:ffff:9dbb:8bf9
157.187.139.250 0:0:0:0:0:ffff:9dbb:8bfa
157.187.139.251 0:0:0:0:0:ffff:9dbb:8bfb
157.187.139.252 0:0:0:0:0:ffff:9dbb:8bfc
157.187.139.253 0:0:0:0:0:ffff:9dbb:8bfd
157.187.139.254 0:0:0:0:0:ffff:9dbb:8bfe
157.187.139.255 0:0:0:0:0:ffff:9dbb:8bff


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.