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
157.187.140.1 0:0:0:0:0:ffff:9dbb:8c01
157.187.140.2 0:0:0:0:0:ffff:9dbb:8c02
157.187.140.3 0:0:0:0:0:ffff:9dbb:8c03
157.187.140.4 0:0:0:0:0:ffff:9dbb:8c04
157.187.140.5 0:0:0:0:0:ffff:9dbb:8c05
157.187.140.6 0:0:0:0:0:ffff:9dbb:8c06
157.187.140.7 0:0:0:0:0:ffff:9dbb:8c07
157.187.140.8 0:0:0:0:0:ffff:9dbb:8c08
157.187.140.9 0:0:0:0:0:ffff:9dbb:8c09
157.187.140.10 0:0:0:0:0:ffff:9dbb:8c0a
157.187.140.11 0:0:0:0:0:ffff:9dbb:8c0b
157.187.140.12 0:0:0:0:0:ffff:9dbb:8c0c
157.187.140.13 0:0:0:0:0:ffff:9dbb:8c0d
157.187.140.14 0:0:0:0:0:ffff:9dbb:8c0e
157.187.140.15 0:0:0:0:0:ffff:9dbb:8c0f
157.187.140.16 0:0:0:0:0:ffff:9dbb:8c10
157.187.140.17 0:0:0:0:0:ffff:9dbb:8c11
157.187.140.18 0:0:0:0:0:ffff:9dbb:8c12
157.187.140.19 0:0:0:0:0:ffff:9dbb:8c13
157.187.140.20 0:0:0:0:0:ffff:9dbb:8c14
157.187.140.21 0:0:0:0:0:ffff:9dbb:8c15
157.187.140.22 0:0:0:0:0:ffff:9dbb:8c16
157.187.140.23 0:0:0:0:0:ffff:9dbb:8c17
157.187.140.24 0:0:0:0:0:ffff:9dbb:8c18
157.187.140.25 0:0:0:0:0:ffff:9dbb:8c19
157.187.140.26 0:0:0:0:0:ffff:9dbb:8c1a
157.187.140.27 0:0:0:0:0:ffff:9dbb:8c1b
157.187.140.28 0:0:0:0:0:ffff:9dbb:8c1c
157.187.140.29 0:0:0:0:0:ffff:9dbb:8c1d
157.187.140.30 0:0:0:0:0:ffff:9dbb:8c1e
157.187.140.31 0:0:0:0:0:ffff:9dbb:8c1f
157.187.140.32 0:0:0:0:0:ffff:9dbb:8c20
157.187.140.33 0:0:0:0:0:ffff:9dbb:8c21
157.187.140.34 0:0:0:0:0:ffff:9dbb:8c22
157.187.140.35 0:0:0:0:0:ffff:9dbb:8c23
157.187.140.36 0:0:0:0:0:ffff:9dbb:8c24
157.187.140.37 0:0:0:0:0:ffff:9dbb:8c25
157.187.140.38 0:0:0:0:0:ffff:9dbb:8c26
157.187.140.39 0:0:0:0:0:ffff:9dbb:8c27
157.187.140.40 0:0:0:0:0:ffff:9dbb:8c28
157.187.140.41 0:0:0:0:0:ffff:9dbb:8c29
157.187.140.42 0:0:0:0:0:ffff:9dbb:8c2a
157.187.140.43 0:0:0:0:0:ffff:9dbb:8c2b
157.187.140.44 0:0:0:0:0:ffff:9dbb:8c2c
157.187.140.45 0:0:0:0:0:ffff:9dbb:8c2d
157.187.140.46 0:0:0:0:0:ffff:9dbb:8c2e
157.187.140.47 0:0:0:0:0:ffff:9dbb:8c2f
157.187.140.48 0:0:0:0:0:ffff:9dbb:8c30
157.187.140.49 0:0:0:0:0:ffff:9dbb:8c31
157.187.140.50 0:0:0:0:0:ffff:9dbb:8c32
157.187.140.51 0:0:0:0:0:ffff:9dbb:8c33
157.187.140.52 0:0:0:0:0:ffff:9dbb:8c34
157.187.140.53 0:0:0:0:0:ffff:9dbb:8c35
157.187.140.54 0:0:0:0:0:ffff:9dbb:8c36
157.187.140.55 0:0:0:0:0:ffff:9dbb:8c37
157.187.140.56 0:0:0:0:0:ffff:9dbb:8c38
157.187.140.57 0:0:0:0:0:ffff:9dbb:8c39
157.187.140.58 0:0:0:0:0:ffff:9dbb:8c3a
157.187.140.59 0:0:0:0:0:ffff:9dbb:8c3b
157.187.140.60 0:0:0:0:0:ffff:9dbb:8c3c


157.187.140.61 0:0:0:0:0:ffff:9dbb:8c3d
157.187.140.62 0:0:0:0:0:ffff:9dbb:8c3e
157.187.140.63 0:0:0:0:0:ffff:9dbb:8c3f
157.187.140.64 0:0:0:0:0:ffff:9dbb:8c40
157.187.140.65 0:0:0:0:0:ffff:9dbb:8c41
157.187.140.66 0:0:0:0:0:ffff:9dbb:8c42
157.187.140.67 0:0:0:0:0:ffff:9dbb:8c43
157.187.140.68 0:0:0:0:0:ffff:9dbb:8c44
157.187.140.69 0:0:0:0:0:ffff:9dbb:8c45
157.187.140.70 0:0:0:0:0:ffff:9dbb:8c46
157.187.140.71 0:0:0:0:0:ffff:9dbb:8c47
157.187.140.72 0:0:0:0:0:ffff:9dbb:8c48
157.187.140.73 0:0:0:0:0:ffff:9dbb:8c49
157.187.140.74 0:0:0:0:0:ffff:9dbb:8c4a
157.187.140.75 0:0:0:0:0:ffff:9dbb:8c4b
157.187.140.76 0:0:0:0:0:ffff:9dbb:8c4c
157.187.140.77 0:0:0:0:0:ffff:9dbb:8c4d
157.187.140.78 0:0:0:0:0:ffff:9dbb:8c4e
157.187.140.79 0:0:0:0:0:ffff:9dbb:8c4f
157.187.140.80 0:0:0:0:0:ffff:9dbb:8c50
157.187.140.81 0:0:0:0:0:ffff:9dbb:8c51
157.187.140.82 0:0:0:0:0:ffff:9dbb:8c52
157.187.140.83 0:0:0:0:0:ffff:9dbb:8c53
157.187.140.84 0:0:0:0:0:ffff:9dbb:8c54
157.187.140.85 0:0:0:0:0:ffff:9dbb:8c55
157.187.140.86 0:0:0:0:0:ffff:9dbb:8c56
157.187.140.87 0:0:0:0:0:ffff:9dbb:8c57
157.187.140.88 0:0:0:0:0:ffff:9dbb:8c58
157.187.140.89 0:0:0:0:0:ffff:9dbb:8c59
157.187.140.90 0:0:0:0:0:ffff:9dbb:8c5a
157.187.140.91 0:0:0:0:0:ffff:9dbb:8c5b
157.187.140.92 0:0:0:0:0:ffff:9dbb:8c5c
157.187.140.93 0:0:0:0:0:ffff:9dbb:8c5d
157.187.140.94 0:0:0:0:0:ffff:9dbb:8c5e
157.187.140.95 0:0:0:0:0:ffff:9dbb:8c5f
157.187.140.96 0:0:0:0:0:ffff:9dbb:8c60
157.187.140.97 0:0:0:0:0:ffff:9dbb:8c61
157.187.140.98 0:0:0:0:0:ffff:9dbb:8c62
157.187.140.99 0:0:0:0:0:ffff:9dbb:8c63
157.187.140.100 0:0:0:0:0:ffff:9dbb:8c64
157.187.140.101 0:0:0:0:0:ffff:9dbb:8c65
157.187.140.102 0:0:0:0:0:ffff:9dbb:8c66
157.187.140.103 0:0:0:0:0:ffff:9dbb:8c67
157.187.140.104 0:0:0:0:0:ffff:9dbb:8c68
157.187.140.105 0:0:0:0:0:ffff:9dbb:8c69
157.187.140.106 0:0:0:0:0:ffff:9dbb:8c6a
157.187.140.107 0:0:0:0:0:ffff:9dbb:8c6b
157.187.140.108 0:0:0:0:0:ffff:9dbb:8c6c
157.187.140.109 0:0:0:0:0:ffff:9dbb:8c6d
157.187.140.110 0:0:0:0:0:ffff:9dbb:8c6e
157.187.140.111 0:0:0:0:0:ffff:9dbb:8c6f
157.187.140.112 0:0:0:0:0:ffff:9dbb:8c70
157.187.140.113 0:0:0:0:0:ffff:9dbb:8c71
157.187.140.114 0:0:0:0:0:ffff:9dbb:8c72
157.187.140.115 0:0:0:0:0:ffff:9dbb:8c73
157.187.140.116 0:0:0:0:0:ffff:9dbb:8c74
157.187.140.117 0:0:0:0:0:ffff:9dbb:8c75
157.187.140.118 0:0:0:0:0:ffff:9dbb:8c76
157.187.140.119 0:0:0:0:0:ffff:9dbb:8c77
157.187.140.120 0:0:0:0:0:ffff:9dbb:8c78


157.187.140.121 0:0:0:0:0:ffff:9dbb:8c79
157.187.140.122 0:0:0:0:0:ffff:9dbb:8c7a
157.187.140.123 0:0:0:0:0:ffff:9dbb:8c7b
157.187.140.124 0:0:0:0:0:ffff:9dbb:8c7c
157.187.140.125 0:0:0:0:0:ffff:9dbb:8c7d
157.187.140.126 0:0:0:0:0:ffff:9dbb:8c7e
157.187.140.127 0:0:0:0:0:ffff:9dbb:8c7f
157.187.140.128 0:0:0:0:0:ffff:9dbb:8c80
157.187.140.129 0:0:0:0:0:ffff:9dbb:8c81
157.187.140.130 0:0:0:0:0:ffff:9dbb:8c82
157.187.140.131 0:0:0:0:0:ffff:9dbb:8c83
157.187.140.132 0:0:0:0:0:ffff:9dbb:8c84
157.187.140.133 0:0:0:0:0:ffff:9dbb:8c85
157.187.140.134 0:0:0:0:0:ffff:9dbb:8c86
157.187.140.135 0:0:0:0:0:ffff:9dbb:8c87
157.187.140.136 0:0:0:0:0:ffff:9dbb:8c88
157.187.140.137 0:0:0:0:0:ffff:9dbb:8c89
157.187.140.138 0:0:0:0:0:ffff:9dbb:8c8a
157.187.140.139 0:0:0:0:0:ffff:9dbb:8c8b
157.187.140.140 0:0:0:0:0:ffff:9dbb:8c8c
157.187.140.141 0:0:0:0:0:ffff:9dbb:8c8d
157.187.140.142 0:0:0:0:0:ffff:9dbb:8c8e
157.187.140.143 0:0:0:0:0:ffff:9dbb:8c8f
157.187.140.144 0:0:0:0:0:ffff:9dbb:8c90
157.187.140.145 0:0:0:0:0:ffff:9dbb:8c91
157.187.140.146 0:0:0:0:0:ffff:9dbb:8c92
157.187.140.147 0:0:0:0:0:ffff:9dbb:8c93
157.187.140.148 0:0:0:0:0:ffff:9dbb:8c94
157.187.140.149 0:0:0:0:0:ffff:9dbb:8c95
157.187.140.150 0:0:0:0:0:ffff:9dbb:8c96
157.187.140.151 0:0:0:0:0:ffff:9dbb:8c97
157.187.140.152 0:0:0:0:0:ffff:9dbb:8c98
157.187.140.153 0:0:0:0:0:ffff:9dbb:8c99
157.187.140.154 0:0:0:0:0:ffff:9dbb:8c9a
157.187.140.155 0:0:0:0:0:ffff:9dbb:8c9b
157.187.140.156 0:0:0:0:0:ffff:9dbb:8c9c
157.187.140.157 0:0:0:0:0:ffff:9dbb:8c9d
157.187.140.158 0:0:0:0:0:ffff:9dbb:8c9e
157.187.140.159 0:0:0:0:0:ffff:9dbb:8c9f
157.187.140.160 0:0:0:0:0:ffff:9dbb:8ca0
157.187.140.161 0:0:0:0:0:ffff:9dbb:8ca1
157.187.140.162 0:0:0:0:0:ffff:9dbb:8ca2
157.187.140.163 0:0:0:0:0:ffff:9dbb:8ca3
157.187.140.164 0:0:0:0:0:ffff:9dbb:8ca4
157.187.140.165 0:0:0:0:0:ffff:9dbb:8ca5
157.187.140.166 0:0:0:0:0:ffff:9dbb:8ca6
157.187.140.167 0:0:0:0:0:ffff:9dbb:8ca7
157.187.140.168 0:0:0:0:0:ffff:9dbb:8ca8
157.187.140.169 0:0:0:0:0:ffff:9dbb:8ca9
157.187.140.170 0:0:0:0:0:ffff:9dbb:8caa
157.187.140.171 0:0:0:0:0:ffff:9dbb:8cab
157.187.140.172 0:0:0:0:0:ffff:9dbb:8cac
157.187.140.173 0:0:0:0:0:ffff:9dbb:8cad
157.187.140.174 0:0:0:0:0:ffff:9dbb:8cae
157.187.140.175 0:0:0:0:0:ffff:9dbb:8caf
157.187.140.176 0:0:0:0:0:ffff:9dbb:8cb0
157.187.140.177 0:0:0:0:0:ffff:9dbb:8cb1
157.187.140.178 0:0:0:0:0:ffff:9dbb:8cb2
157.187.140.179 0:0:0:0:0:ffff:9dbb:8cb3
157.187.140.180 0:0:0:0:0:ffff:9dbb:8cb4


157.187.140.181 0:0:0:0:0:ffff:9dbb:8cb5
157.187.140.182 0:0:0:0:0:ffff:9dbb:8cb6
157.187.140.183 0:0:0:0:0:ffff:9dbb:8cb7
157.187.140.184 0:0:0:0:0:ffff:9dbb:8cb8
157.187.140.185 0:0:0:0:0:ffff:9dbb:8cb9
157.187.140.186 0:0:0:0:0:ffff:9dbb:8cba
157.187.140.187 0:0:0:0:0:ffff:9dbb:8cbb
157.187.140.188 0:0:0:0:0:ffff:9dbb:8cbc
157.187.140.189 0:0:0:0:0:ffff:9dbb:8cbd
157.187.140.190 0:0:0:0:0:ffff:9dbb:8cbe
157.187.140.191 0:0:0:0:0:ffff:9dbb:8cbf
157.187.140.192 0:0:0:0:0:ffff:9dbb:8cc0
157.187.140.193 0:0:0:0:0:ffff:9dbb:8cc1
157.187.140.194 0:0:0:0:0:ffff:9dbb:8cc2
157.187.140.195 0:0:0:0:0:ffff:9dbb:8cc3
157.187.140.196 0:0:0:0:0:ffff:9dbb:8cc4
157.187.140.197 0:0:0:0:0:ffff:9dbb:8cc5
157.187.140.198 0:0:0:0:0:ffff:9dbb:8cc6
157.187.140.199 0:0:0:0:0:ffff:9dbb:8cc7
157.187.140.200 0:0:0:0:0:ffff:9dbb:8cc8
157.187.140.201 0:0:0:0:0:ffff:9dbb:8cc9
157.187.140.202 0:0:0:0:0:ffff:9dbb:8cca
157.187.140.203 0:0:0:0:0:ffff:9dbb:8ccb
157.187.140.204 0:0:0:0:0:ffff:9dbb:8ccc
157.187.140.205 0:0:0:0:0:ffff:9dbb:8ccd
157.187.140.206 0:0:0:0:0:ffff:9dbb:8cce
157.187.140.207 0:0:0:0:0:ffff:9dbb:8ccf
157.187.140.208 0:0:0:0:0:ffff:9dbb:8cd0
157.187.140.209 0:0:0:0:0:ffff:9dbb:8cd1
157.187.140.210 0:0:0:0:0:ffff:9dbb:8cd2
157.187.140.211 0:0:0:0:0:ffff:9dbb:8cd3
157.187.140.212 0:0:0:0:0:ffff:9dbb:8cd4
157.187.140.213 0:0:0:0:0:ffff:9dbb:8cd5
157.187.140.214 0:0:0:0:0:ffff:9dbb:8cd6
157.187.140.215 0:0:0:0:0:ffff:9dbb:8cd7
157.187.140.216 0:0:0:0:0:ffff:9dbb:8cd8
157.187.140.217 0:0:0:0:0:ffff:9dbb:8cd9
157.187.140.218 0:0:0:0:0:ffff:9dbb:8cda
157.187.140.219 0:0:0:0:0:ffff:9dbb:8cdb
157.187.140.220 0:0:0:0:0:ffff:9dbb:8cdc
157.187.140.221 0:0:0:0:0:ffff:9dbb:8cdd
157.187.140.222 0:0:0:0:0:ffff:9dbb:8cde
157.187.140.223 0:0:0:0:0:ffff:9dbb:8cdf
157.187.140.224 0:0:0:0:0:ffff:9dbb:8ce0
157.187.140.225 0:0:0:0:0:ffff:9dbb:8ce1
157.187.140.226 0:0:0:0:0:ffff:9dbb:8ce2
157.187.140.227 0:0:0:0:0:ffff:9dbb:8ce3
157.187.140.228 0:0:0:0:0:ffff:9dbb:8ce4
157.187.140.229 0:0:0:0:0:ffff:9dbb:8ce5
157.187.140.230 0:0:0:0:0:ffff:9dbb:8ce6
157.187.140.231 0:0:0:0:0:ffff:9dbb:8ce7
157.187.140.232 0:0:0:0:0:ffff:9dbb:8ce8
157.187.140.233 0:0:0:0:0:ffff:9dbb:8ce9
157.187.140.234 0:0:0:0:0:ffff:9dbb:8cea
157.187.140.235 0:0:0:0:0:ffff:9dbb:8ceb
157.187.140.236 0:0:0:0:0:ffff:9dbb:8cec
157.187.140.237 0:0:0:0:0:ffff:9dbb:8ced
157.187.140.238 0:0:0:0:0:ffff:9dbb:8cee
157.187.140.239 0:0:0:0:0:ffff:9dbb:8cef
157.187.140.240 0:0:0:0:0:ffff:9dbb:8cf0
157.187.140.241 0:0:0:0:0:ffff:9dbb:8cf1
157.187.140.242 0:0:0:0:0:ffff:9dbb:8cf2
157.187.140.243 0:0:0:0:0:ffff:9dbb:8cf3
157.187.140.244 0:0:0:0:0:ffff:9dbb:8cf4
157.187.140.245 0:0:0:0:0:ffff:9dbb:8cf5
157.187.140.246 0:0:0:0:0:ffff:9dbb:8cf6
157.187.140.247 0:0:0:0:0:ffff:9dbb:8cf7
157.187.140.248 0:0:0:0:0:ffff:9dbb:8cf8
157.187.140.249 0:0:0:0:0:ffff:9dbb:8cf9
157.187.140.250 0:0:0:0:0:ffff:9dbb:8cfa
157.187.140.251 0:0:0:0:0:ffff:9dbb:8cfb
157.187.140.252 0:0:0:0:0:ffff:9dbb:8cfc
157.187.140.253 0:0:0:0:0:ffff:9dbb:8cfd
157.187.140.254 0:0:0:0:0:ffff:9dbb:8cfe
157.187.140.255 0:0:0:0:0:ffff:9dbb:8cff


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.