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
203.153.157.1 0:0:0:0:0:ffff:cb99:9d01
203.153.157.2 0:0:0:0:0:ffff:cb99:9d02
203.153.157.3 0:0:0:0:0:ffff:cb99:9d03
203.153.157.4 0:0:0:0:0:ffff:cb99:9d04
203.153.157.5 0:0:0:0:0:ffff:cb99:9d05
203.153.157.6 0:0:0:0:0:ffff:cb99:9d06
203.153.157.7 0:0:0:0:0:ffff:cb99:9d07
203.153.157.8 0:0:0:0:0:ffff:cb99:9d08
203.153.157.9 0:0:0:0:0:ffff:cb99:9d09
203.153.157.10 0:0:0:0:0:ffff:cb99:9d0a
203.153.157.11 0:0:0:0:0:ffff:cb99:9d0b
203.153.157.12 0:0:0:0:0:ffff:cb99:9d0c
203.153.157.13 0:0:0:0:0:ffff:cb99:9d0d
203.153.157.14 0:0:0:0:0:ffff:cb99:9d0e
203.153.157.15 0:0:0:0:0:ffff:cb99:9d0f
203.153.157.16 0:0:0:0:0:ffff:cb99:9d10
203.153.157.17 0:0:0:0:0:ffff:cb99:9d11
203.153.157.18 0:0:0:0:0:ffff:cb99:9d12
203.153.157.19 0:0:0:0:0:ffff:cb99:9d13
203.153.157.20 0:0:0:0:0:ffff:cb99:9d14
203.153.157.21 0:0:0:0:0:ffff:cb99:9d15
203.153.157.22 0:0:0:0:0:ffff:cb99:9d16
203.153.157.23 0:0:0:0:0:ffff:cb99:9d17
203.153.157.24 0:0:0:0:0:ffff:cb99:9d18
203.153.157.25 0:0:0:0:0:ffff:cb99:9d19
203.153.157.26 0:0:0:0:0:ffff:cb99:9d1a
203.153.157.27 0:0:0:0:0:ffff:cb99:9d1b
203.153.157.28 0:0:0:0:0:ffff:cb99:9d1c
203.153.157.29 0:0:0:0:0:ffff:cb99:9d1d
203.153.157.30 0:0:0:0:0:ffff:cb99:9d1e
203.153.157.31 0:0:0:0:0:ffff:cb99:9d1f
203.153.157.32 0:0:0:0:0:ffff:cb99:9d20
203.153.157.33 0:0:0:0:0:ffff:cb99:9d21
203.153.157.34 0:0:0:0:0:ffff:cb99:9d22
203.153.157.35 0:0:0:0:0:ffff:cb99:9d23
203.153.157.36 0:0:0:0:0:ffff:cb99:9d24
203.153.157.37 0:0:0:0:0:ffff:cb99:9d25
203.153.157.38 0:0:0:0:0:ffff:cb99:9d26
203.153.157.39 0:0:0:0:0:ffff:cb99:9d27
203.153.157.40 0:0:0:0:0:ffff:cb99:9d28
203.153.157.41 0:0:0:0:0:ffff:cb99:9d29
203.153.157.42 0:0:0:0:0:ffff:cb99:9d2a
203.153.157.43 0:0:0:0:0:ffff:cb99:9d2b
203.153.157.44 0:0:0:0:0:ffff:cb99:9d2c
203.153.157.45 0:0:0:0:0:ffff:cb99:9d2d
203.153.157.46 0:0:0:0:0:ffff:cb99:9d2e
203.153.157.47 0:0:0:0:0:ffff:cb99:9d2f
203.153.157.48 0:0:0:0:0:ffff:cb99:9d30
203.153.157.49 0:0:0:0:0:ffff:cb99:9d31
203.153.157.50 0:0:0:0:0:ffff:cb99:9d32
203.153.157.51 0:0:0:0:0:ffff:cb99:9d33
203.153.157.52 0:0:0:0:0:ffff:cb99:9d34
203.153.157.53 0:0:0:0:0:ffff:cb99:9d35
203.153.157.54 0:0:0:0:0:ffff:cb99:9d36
203.153.157.55 0:0:0:0:0:ffff:cb99:9d37
203.153.157.56 0:0:0:0:0:ffff:cb99:9d38
203.153.157.57 0:0:0:0:0:ffff:cb99:9d39
203.153.157.58 0:0:0:0:0:ffff:cb99:9d3a
203.153.157.59 0:0:0:0:0:ffff:cb99:9d3b
203.153.157.60 0:0:0:0:0:ffff:cb99:9d3c


203.153.157.61 0:0:0:0:0:ffff:cb99:9d3d
203.153.157.62 0:0:0:0:0:ffff:cb99:9d3e
203.153.157.63 0:0:0:0:0:ffff:cb99:9d3f
203.153.157.64 0:0:0:0:0:ffff:cb99:9d40
203.153.157.65 0:0:0:0:0:ffff:cb99:9d41
203.153.157.66 0:0:0:0:0:ffff:cb99:9d42
203.153.157.67 0:0:0:0:0:ffff:cb99:9d43
203.153.157.68 0:0:0:0:0:ffff:cb99:9d44
203.153.157.69 0:0:0:0:0:ffff:cb99:9d45
203.153.157.70 0:0:0:0:0:ffff:cb99:9d46
203.153.157.71 0:0:0:0:0:ffff:cb99:9d47
203.153.157.72 0:0:0:0:0:ffff:cb99:9d48
203.153.157.73 0:0:0:0:0:ffff:cb99:9d49
203.153.157.74 0:0:0:0:0:ffff:cb99:9d4a
203.153.157.75 0:0:0:0:0:ffff:cb99:9d4b
203.153.157.76 0:0:0:0:0:ffff:cb99:9d4c
203.153.157.77 0:0:0:0:0:ffff:cb99:9d4d
203.153.157.78 0:0:0:0:0:ffff:cb99:9d4e
203.153.157.79 0:0:0:0:0:ffff:cb99:9d4f
203.153.157.80 0:0:0:0:0:ffff:cb99:9d50
203.153.157.81 0:0:0:0:0:ffff:cb99:9d51
203.153.157.82 0:0:0:0:0:ffff:cb99:9d52
203.153.157.83 0:0:0:0:0:ffff:cb99:9d53
203.153.157.84 0:0:0:0:0:ffff:cb99:9d54
203.153.157.85 0:0:0:0:0:ffff:cb99:9d55
203.153.157.86 0:0:0:0:0:ffff:cb99:9d56
203.153.157.87 0:0:0:0:0:ffff:cb99:9d57
203.153.157.88 0:0:0:0:0:ffff:cb99:9d58
203.153.157.89 0:0:0:0:0:ffff:cb99:9d59
203.153.157.90 0:0:0:0:0:ffff:cb99:9d5a
203.153.157.91 0:0:0:0:0:ffff:cb99:9d5b
203.153.157.92 0:0:0:0:0:ffff:cb99:9d5c
203.153.157.93 0:0:0:0:0:ffff:cb99:9d5d
203.153.157.94 0:0:0:0:0:ffff:cb99:9d5e
203.153.157.95 0:0:0:0:0:ffff:cb99:9d5f
203.153.157.96 0:0:0:0:0:ffff:cb99:9d60
203.153.157.97 0:0:0:0:0:ffff:cb99:9d61
203.153.157.98 0:0:0:0:0:ffff:cb99:9d62
203.153.157.99 0:0:0:0:0:ffff:cb99:9d63
203.153.157.100 0:0:0:0:0:ffff:cb99:9d64
203.153.157.101 0:0:0:0:0:ffff:cb99:9d65
203.153.157.102 0:0:0:0:0:ffff:cb99:9d66
203.153.157.103 0:0:0:0:0:ffff:cb99:9d67
203.153.157.104 0:0:0:0:0:ffff:cb99:9d68
203.153.157.105 0:0:0:0:0:ffff:cb99:9d69
203.153.157.106 0:0:0:0:0:ffff:cb99:9d6a
203.153.157.107 0:0:0:0:0:ffff:cb99:9d6b
203.153.157.108 0:0:0:0:0:ffff:cb99:9d6c
203.153.157.109 0:0:0:0:0:ffff:cb99:9d6d
203.153.157.110 0:0:0:0:0:ffff:cb99:9d6e
203.153.157.111 0:0:0:0:0:ffff:cb99:9d6f
203.153.157.112 0:0:0:0:0:ffff:cb99:9d70
203.153.157.113 0:0:0:0:0:ffff:cb99:9d71
203.153.157.114 0:0:0:0:0:ffff:cb99:9d72
203.153.157.115 0:0:0:0:0:ffff:cb99:9d73
203.153.157.116 0:0:0:0:0:ffff:cb99:9d74
203.153.157.117 0:0:0:0:0:ffff:cb99:9d75
203.153.157.118 0:0:0:0:0:ffff:cb99:9d76
203.153.157.119 0:0:0:0:0:ffff:cb99:9d77
203.153.157.120 0:0:0:0:0:ffff:cb99:9d78


203.153.157.121 0:0:0:0:0:ffff:cb99:9d79
203.153.157.122 0:0:0:0:0:ffff:cb99:9d7a
203.153.157.123 0:0:0:0:0:ffff:cb99:9d7b
203.153.157.124 0:0:0:0:0:ffff:cb99:9d7c
203.153.157.125 0:0:0:0:0:ffff:cb99:9d7d
203.153.157.126 0:0:0:0:0:ffff:cb99:9d7e
203.153.157.127 0:0:0:0:0:ffff:cb99:9d7f
203.153.157.128 0:0:0:0:0:ffff:cb99:9d80
203.153.157.129 0:0:0:0:0:ffff:cb99:9d81
203.153.157.130 0:0:0:0:0:ffff:cb99:9d82
203.153.157.131 0:0:0:0:0:ffff:cb99:9d83
203.153.157.132 0:0:0:0:0:ffff:cb99:9d84
203.153.157.133 0:0:0:0:0:ffff:cb99:9d85
203.153.157.134 0:0:0:0:0:ffff:cb99:9d86
203.153.157.135 0:0:0:0:0:ffff:cb99:9d87
203.153.157.136 0:0:0:0:0:ffff:cb99:9d88
203.153.157.137 0:0:0:0:0:ffff:cb99:9d89
203.153.157.138 0:0:0:0:0:ffff:cb99:9d8a
203.153.157.139 0:0:0:0:0:ffff:cb99:9d8b
203.153.157.140 0:0:0:0:0:ffff:cb99:9d8c
203.153.157.141 0:0:0:0:0:ffff:cb99:9d8d
203.153.157.142 0:0:0:0:0:ffff:cb99:9d8e
203.153.157.143 0:0:0:0:0:ffff:cb99:9d8f
203.153.157.144 0:0:0:0:0:ffff:cb99:9d90
203.153.157.145 0:0:0:0:0:ffff:cb99:9d91
203.153.157.146 0:0:0:0:0:ffff:cb99:9d92
203.153.157.147 0:0:0:0:0:ffff:cb99:9d93
203.153.157.148 0:0:0:0:0:ffff:cb99:9d94
203.153.157.149 0:0:0:0:0:ffff:cb99:9d95
203.153.157.150 0:0:0:0:0:ffff:cb99:9d96
203.153.157.151 0:0:0:0:0:ffff:cb99:9d97
203.153.157.152 0:0:0:0:0:ffff:cb99:9d98
203.153.157.153 0:0:0:0:0:ffff:cb99:9d99
203.153.157.154 0:0:0:0:0:ffff:cb99:9d9a
203.153.157.155 0:0:0:0:0:ffff:cb99:9d9b
203.153.157.156 0:0:0:0:0:ffff:cb99:9d9c
203.153.157.157 0:0:0:0:0:ffff:cb99:9d9d
203.153.157.158 0:0:0:0:0:ffff:cb99:9d9e
203.153.157.159 0:0:0:0:0:ffff:cb99:9d9f
203.153.157.160 0:0:0:0:0:ffff:cb99:9da0
203.153.157.161 0:0:0:0:0:ffff:cb99:9da1
203.153.157.162 0:0:0:0:0:ffff:cb99:9da2
203.153.157.163 0:0:0:0:0:ffff:cb99:9da3
203.153.157.164 0:0:0:0:0:ffff:cb99:9da4
203.153.157.165 0:0:0:0:0:ffff:cb99:9da5
203.153.157.166 0:0:0:0:0:ffff:cb99:9da6
203.153.157.167 0:0:0:0:0:ffff:cb99:9da7
203.153.157.168 0:0:0:0:0:ffff:cb99:9da8
203.153.157.169 0:0:0:0:0:ffff:cb99:9da9
203.153.157.170 0:0:0:0:0:ffff:cb99:9daa
203.153.157.171 0:0:0:0:0:ffff:cb99:9dab
203.153.157.172 0:0:0:0:0:ffff:cb99:9dac
203.153.157.173 0:0:0:0:0:ffff:cb99:9dad
203.153.157.174 0:0:0:0:0:ffff:cb99:9dae
203.153.157.175 0:0:0:0:0:ffff:cb99:9daf
203.153.157.176 0:0:0:0:0:ffff:cb99:9db0
203.153.157.177 0:0:0:0:0:ffff:cb99:9db1
203.153.157.178 0:0:0:0:0:ffff:cb99:9db2
203.153.157.179 0:0:0:0:0:ffff:cb99:9db3
203.153.157.180 0:0:0:0:0:ffff:cb99:9db4


203.153.157.181 0:0:0:0:0:ffff:cb99:9db5
203.153.157.182 0:0:0:0:0:ffff:cb99:9db6
203.153.157.183 0:0:0:0:0:ffff:cb99:9db7
203.153.157.184 0:0:0:0:0:ffff:cb99:9db8
203.153.157.185 0:0:0:0:0:ffff:cb99:9db9
203.153.157.186 0:0:0:0:0:ffff:cb99:9dba
203.153.157.187 0:0:0:0:0:ffff:cb99:9dbb
203.153.157.188 0:0:0:0:0:ffff:cb99:9dbc
203.153.157.189 0:0:0:0:0:ffff:cb99:9dbd
203.153.157.190 0:0:0:0:0:ffff:cb99:9dbe
203.153.157.191 0:0:0:0:0:ffff:cb99:9dbf
203.153.157.192 0:0:0:0:0:ffff:cb99:9dc0
203.153.157.193 0:0:0:0:0:ffff:cb99:9dc1
203.153.157.194 0:0:0:0:0:ffff:cb99:9dc2
203.153.157.195 0:0:0:0:0:ffff:cb99:9dc3
203.153.157.196 0:0:0:0:0:ffff:cb99:9dc4
203.153.157.197 0:0:0:0:0:ffff:cb99:9dc5
203.153.157.198 0:0:0:0:0:ffff:cb99:9dc6
203.153.157.199 0:0:0:0:0:ffff:cb99:9dc7
203.153.157.200 0:0:0:0:0:ffff:cb99:9dc8
203.153.157.201 0:0:0:0:0:ffff:cb99:9dc9
203.153.157.202 0:0:0:0:0:ffff:cb99:9dca
203.153.157.203 0:0:0:0:0:ffff:cb99:9dcb
203.153.157.204 0:0:0:0:0:ffff:cb99:9dcc
203.153.157.205 0:0:0:0:0:ffff:cb99:9dcd
203.153.157.206 0:0:0:0:0:ffff:cb99:9dce
203.153.157.207 0:0:0:0:0:ffff:cb99:9dcf
203.153.157.208 0:0:0:0:0:ffff:cb99:9dd0
203.153.157.209 0:0:0:0:0:ffff:cb99:9dd1
203.153.157.210 0:0:0:0:0:ffff:cb99:9dd2
203.153.157.211 0:0:0:0:0:ffff:cb99:9dd3
203.153.157.212 0:0:0:0:0:ffff:cb99:9dd4
203.153.157.213 0:0:0:0:0:ffff:cb99:9dd5
203.153.157.214 0:0:0:0:0:ffff:cb99:9dd6
203.153.157.215 0:0:0:0:0:ffff:cb99:9dd7
203.153.157.216 0:0:0:0:0:ffff:cb99:9dd8
203.153.157.217 0:0:0:0:0:ffff:cb99:9dd9
203.153.157.218 0:0:0:0:0:ffff:cb99:9dda
203.153.157.219 0:0:0:0:0:ffff:cb99:9ddb
203.153.157.220 0:0:0:0:0:ffff:cb99:9ddc
203.153.157.221 0:0:0:0:0:ffff:cb99:9ddd
203.153.157.222 0:0:0:0:0:ffff:cb99:9dde
203.153.157.223 0:0:0:0:0:ffff:cb99:9ddf
203.153.157.224 0:0:0:0:0:ffff:cb99:9de0
203.153.157.225 0:0:0:0:0:ffff:cb99:9de1
203.153.157.226 0:0:0:0:0:ffff:cb99:9de2
203.153.157.227 0:0:0:0:0:ffff:cb99:9de3
203.153.157.228 0:0:0:0:0:ffff:cb99:9de4
203.153.157.229 0:0:0:0:0:ffff:cb99:9de5
203.153.157.230 0:0:0:0:0:ffff:cb99:9de6
203.153.157.231 0:0:0:0:0:ffff:cb99:9de7
203.153.157.232 0:0:0:0:0:ffff:cb99:9de8
203.153.157.233 0:0:0:0:0:ffff:cb99:9de9
203.153.157.234 0:0:0:0:0:ffff:cb99:9dea
203.153.157.235 0:0:0:0:0:ffff:cb99:9deb
203.153.157.236 0:0:0:0:0:ffff:cb99:9dec
203.153.157.237 0:0:0:0:0:ffff:cb99:9ded
203.153.157.238 0:0:0:0:0:ffff:cb99:9dee
203.153.157.239 0:0:0:0:0:ffff:cb99:9def
203.153.157.240 0:0:0:0:0:ffff:cb99:9df0
203.153.157.241 0:0:0:0:0:ffff:cb99:9df1
203.153.157.242 0:0:0:0:0:ffff:cb99:9df2
203.153.157.243 0:0:0:0:0:ffff:cb99:9df3
203.153.157.244 0:0:0:0:0:ffff:cb99:9df4
203.153.157.245 0:0:0:0:0:ffff:cb99:9df5
203.153.157.246 0:0:0:0:0:ffff:cb99:9df6
203.153.157.247 0:0:0:0:0:ffff:cb99:9df7
203.153.157.248 0:0:0:0:0:ffff:cb99:9df8
203.153.157.249 0:0:0:0:0:ffff:cb99:9df9
203.153.157.250 0:0:0:0:0:ffff:cb99:9dfa
203.153.157.251 0:0:0:0:0:ffff:cb99:9dfb
203.153.157.252 0:0:0:0:0:ffff:cb99:9dfc
203.153.157.253 0:0:0:0:0:ffff:cb99:9dfd
203.153.157.254 0:0:0:0:0:ffff:cb99:9dfe
203.153.157.255 0:0:0:0:0:ffff:cb99:9dff


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.