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
157.154.125.1 0:0:0:0:0:ffff:9d9a:7d01
157.154.125.2 0:0:0:0:0:ffff:9d9a:7d02
157.154.125.3 0:0:0:0:0:ffff:9d9a:7d03
157.154.125.4 0:0:0:0:0:ffff:9d9a:7d04
157.154.125.5 0:0:0:0:0:ffff:9d9a:7d05
157.154.125.6 0:0:0:0:0:ffff:9d9a:7d06
157.154.125.7 0:0:0:0:0:ffff:9d9a:7d07
157.154.125.8 0:0:0:0:0:ffff:9d9a:7d08
157.154.125.9 0:0:0:0:0:ffff:9d9a:7d09
157.154.125.10 0:0:0:0:0:ffff:9d9a:7d0a
157.154.125.11 0:0:0:0:0:ffff:9d9a:7d0b
157.154.125.12 0:0:0:0:0:ffff:9d9a:7d0c
157.154.125.13 0:0:0:0:0:ffff:9d9a:7d0d
157.154.125.14 0:0:0:0:0:ffff:9d9a:7d0e
157.154.125.15 0:0:0:0:0:ffff:9d9a:7d0f
157.154.125.16 0:0:0:0:0:ffff:9d9a:7d10
157.154.125.17 0:0:0:0:0:ffff:9d9a:7d11
157.154.125.18 0:0:0:0:0:ffff:9d9a:7d12
157.154.125.19 0:0:0:0:0:ffff:9d9a:7d13
157.154.125.20 0:0:0:0:0:ffff:9d9a:7d14
157.154.125.21 0:0:0:0:0:ffff:9d9a:7d15
157.154.125.22 0:0:0:0:0:ffff:9d9a:7d16
157.154.125.23 0:0:0:0:0:ffff:9d9a:7d17
157.154.125.24 0:0:0:0:0:ffff:9d9a:7d18
157.154.125.25 0:0:0:0:0:ffff:9d9a:7d19
157.154.125.26 0:0:0:0:0:ffff:9d9a:7d1a
157.154.125.27 0:0:0:0:0:ffff:9d9a:7d1b
157.154.125.28 0:0:0:0:0:ffff:9d9a:7d1c
157.154.125.29 0:0:0:0:0:ffff:9d9a:7d1d
157.154.125.30 0:0:0:0:0:ffff:9d9a:7d1e
157.154.125.31 0:0:0:0:0:ffff:9d9a:7d1f
157.154.125.32 0:0:0:0:0:ffff:9d9a:7d20
157.154.125.33 0:0:0:0:0:ffff:9d9a:7d21
157.154.125.34 0:0:0:0:0:ffff:9d9a:7d22
157.154.125.35 0:0:0:0:0:ffff:9d9a:7d23
157.154.125.36 0:0:0:0:0:ffff:9d9a:7d24
157.154.125.37 0:0:0:0:0:ffff:9d9a:7d25
157.154.125.38 0:0:0:0:0:ffff:9d9a:7d26
157.154.125.39 0:0:0:0:0:ffff:9d9a:7d27
157.154.125.40 0:0:0:0:0:ffff:9d9a:7d28
157.154.125.41 0:0:0:0:0:ffff:9d9a:7d29
157.154.125.42 0:0:0:0:0:ffff:9d9a:7d2a
157.154.125.43 0:0:0:0:0:ffff:9d9a:7d2b
157.154.125.44 0:0:0:0:0:ffff:9d9a:7d2c
157.154.125.45 0:0:0:0:0:ffff:9d9a:7d2d
157.154.125.46 0:0:0:0:0:ffff:9d9a:7d2e
157.154.125.47 0:0:0:0:0:ffff:9d9a:7d2f
157.154.125.48 0:0:0:0:0:ffff:9d9a:7d30
157.154.125.49 0:0:0:0:0:ffff:9d9a:7d31
157.154.125.50 0:0:0:0:0:ffff:9d9a:7d32
157.154.125.51 0:0:0:0:0:ffff:9d9a:7d33
157.154.125.52 0:0:0:0:0:ffff:9d9a:7d34
157.154.125.53 0:0:0:0:0:ffff:9d9a:7d35
157.154.125.54 0:0:0:0:0:ffff:9d9a:7d36
157.154.125.55 0:0:0:0:0:ffff:9d9a:7d37
157.154.125.56 0:0:0:0:0:ffff:9d9a:7d38
157.154.125.57 0:0:0:0:0:ffff:9d9a:7d39
157.154.125.58 0:0:0:0:0:ffff:9d9a:7d3a
157.154.125.59 0:0:0:0:0:ffff:9d9a:7d3b
157.154.125.60 0:0:0:0:0:ffff:9d9a:7d3c


157.154.125.61 0:0:0:0:0:ffff:9d9a:7d3d
157.154.125.62 0:0:0:0:0:ffff:9d9a:7d3e
157.154.125.63 0:0:0:0:0:ffff:9d9a:7d3f
157.154.125.64 0:0:0:0:0:ffff:9d9a:7d40
157.154.125.65 0:0:0:0:0:ffff:9d9a:7d41
157.154.125.66 0:0:0:0:0:ffff:9d9a:7d42
157.154.125.67 0:0:0:0:0:ffff:9d9a:7d43
157.154.125.68 0:0:0:0:0:ffff:9d9a:7d44
157.154.125.69 0:0:0:0:0:ffff:9d9a:7d45
157.154.125.70 0:0:0:0:0:ffff:9d9a:7d46
157.154.125.71 0:0:0:0:0:ffff:9d9a:7d47
157.154.125.72 0:0:0:0:0:ffff:9d9a:7d48
157.154.125.73 0:0:0:0:0:ffff:9d9a:7d49
157.154.125.74 0:0:0:0:0:ffff:9d9a:7d4a
157.154.125.75 0:0:0:0:0:ffff:9d9a:7d4b
157.154.125.76 0:0:0:0:0:ffff:9d9a:7d4c
157.154.125.77 0:0:0:0:0:ffff:9d9a:7d4d
157.154.125.78 0:0:0:0:0:ffff:9d9a:7d4e
157.154.125.79 0:0:0:0:0:ffff:9d9a:7d4f
157.154.125.80 0:0:0:0:0:ffff:9d9a:7d50
157.154.125.81 0:0:0:0:0:ffff:9d9a:7d51
157.154.125.82 0:0:0:0:0:ffff:9d9a:7d52
157.154.125.83 0:0:0:0:0:ffff:9d9a:7d53
157.154.125.84 0:0:0:0:0:ffff:9d9a:7d54
157.154.125.85 0:0:0:0:0:ffff:9d9a:7d55
157.154.125.86 0:0:0:0:0:ffff:9d9a:7d56
157.154.125.87 0:0:0:0:0:ffff:9d9a:7d57
157.154.125.88 0:0:0:0:0:ffff:9d9a:7d58
157.154.125.89 0:0:0:0:0:ffff:9d9a:7d59
157.154.125.90 0:0:0:0:0:ffff:9d9a:7d5a
157.154.125.91 0:0:0:0:0:ffff:9d9a:7d5b
157.154.125.92 0:0:0:0:0:ffff:9d9a:7d5c
157.154.125.93 0:0:0:0:0:ffff:9d9a:7d5d
157.154.125.94 0:0:0:0:0:ffff:9d9a:7d5e
157.154.125.95 0:0:0:0:0:ffff:9d9a:7d5f
157.154.125.96 0:0:0:0:0:ffff:9d9a:7d60
157.154.125.97 0:0:0:0:0:ffff:9d9a:7d61
157.154.125.98 0:0:0:0:0:ffff:9d9a:7d62
157.154.125.99 0:0:0:0:0:ffff:9d9a:7d63
157.154.125.100 0:0:0:0:0:ffff:9d9a:7d64
157.154.125.101 0:0:0:0:0:ffff:9d9a:7d65
157.154.125.102 0:0:0:0:0:ffff:9d9a:7d66
157.154.125.103 0:0:0:0:0:ffff:9d9a:7d67
157.154.125.104 0:0:0:0:0:ffff:9d9a:7d68
157.154.125.105 0:0:0:0:0:ffff:9d9a:7d69
157.154.125.106 0:0:0:0:0:ffff:9d9a:7d6a
157.154.125.107 0:0:0:0:0:ffff:9d9a:7d6b
157.154.125.108 0:0:0:0:0:ffff:9d9a:7d6c
157.154.125.109 0:0:0:0:0:ffff:9d9a:7d6d
157.154.125.110 0:0:0:0:0:ffff:9d9a:7d6e
157.154.125.111 0:0:0:0:0:ffff:9d9a:7d6f
157.154.125.112 0:0:0:0:0:ffff:9d9a:7d70
157.154.125.113 0:0:0:0:0:ffff:9d9a:7d71
157.154.125.114 0:0:0:0:0:ffff:9d9a:7d72
157.154.125.115 0:0:0:0:0:ffff:9d9a:7d73
157.154.125.116 0:0:0:0:0:ffff:9d9a:7d74
157.154.125.117 0:0:0:0:0:ffff:9d9a:7d75
157.154.125.118 0:0:0:0:0:ffff:9d9a:7d76
157.154.125.119 0:0:0:0:0:ffff:9d9a:7d77
157.154.125.120 0:0:0:0:0:ffff:9d9a:7d78


157.154.125.121 0:0:0:0:0:ffff:9d9a:7d79
157.154.125.122 0:0:0:0:0:ffff:9d9a:7d7a
157.154.125.123 0:0:0:0:0:ffff:9d9a:7d7b
157.154.125.124 0:0:0:0:0:ffff:9d9a:7d7c
157.154.125.125 0:0:0:0:0:ffff:9d9a:7d7d
157.154.125.126 0:0:0:0:0:ffff:9d9a:7d7e
157.154.125.127 0:0:0:0:0:ffff:9d9a:7d7f
157.154.125.128 0:0:0:0:0:ffff:9d9a:7d80
157.154.125.129 0:0:0:0:0:ffff:9d9a:7d81
157.154.125.130 0:0:0:0:0:ffff:9d9a:7d82
157.154.125.131 0:0:0:0:0:ffff:9d9a:7d83
157.154.125.132 0:0:0:0:0:ffff:9d9a:7d84
157.154.125.133 0:0:0:0:0:ffff:9d9a:7d85
157.154.125.134 0:0:0:0:0:ffff:9d9a:7d86
157.154.125.135 0:0:0:0:0:ffff:9d9a:7d87
157.154.125.136 0:0:0:0:0:ffff:9d9a:7d88
157.154.125.137 0:0:0:0:0:ffff:9d9a:7d89
157.154.125.138 0:0:0:0:0:ffff:9d9a:7d8a
157.154.125.139 0:0:0:0:0:ffff:9d9a:7d8b
157.154.125.140 0:0:0:0:0:ffff:9d9a:7d8c
157.154.125.141 0:0:0:0:0:ffff:9d9a:7d8d
157.154.125.142 0:0:0:0:0:ffff:9d9a:7d8e
157.154.125.143 0:0:0:0:0:ffff:9d9a:7d8f
157.154.125.144 0:0:0:0:0:ffff:9d9a:7d90
157.154.125.145 0:0:0:0:0:ffff:9d9a:7d91
157.154.125.146 0:0:0:0:0:ffff:9d9a:7d92
157.154.125.147 0:0:0:0:0:ffff:9d9a:7d93
157.154.125.148 0:0:0:0:0:ffff:9d9a:7d94
157.154.125.149 0:0:0:0:0:ffff:9d9a:7d95
157.154.125.150 0:0:0:0:0:ffff:9d9a:7d96
157.154.125.151 0:0:0:0:0:ffff:9d9a:7d97
157.154.125.152 0:0:0:0:0:ffff:9d9a:7d98
157.154.125.153 0:0:0:0:0:ffff:9d9a:7d99
157.154.125.154 0:0:0:0:0:ffff:9d9a:7d9a
157.154.125.155 0:0:0:0:0:ffff:9d9a:7d9b
157.154.125.156 0:0:0:0:0:ffff:9d9a:7d9c
157.154.125.157 0:0:0:0:0:ffff:9d9a:7d9d
157.154.125.158 0:0:0:0:0:ffff:9d9a:7d9e
157.154.125.159 0:0:0:0:0:ffff:9d9a:7d9f
157.154.125.160 0:0:0:0:0:ffff:9d9a:7da0
157.154.125.161 0:0:0:0:0:ffff:9d9a:7da1
157.154.125.162 0:0:0:0:0:ffff:9d9a:7da2
157.154.125.163 0:0:0:0:0:ffff:9d9a:7da3
157.154.125.164 0:0:0:0:0:ffff:9d9a:7da4
157.154.125.165 0:0:0:0:0:ffff:9d9a:7da5
157.154.125.166 0:0:0:0:0:ffff:9d9a:7da6
157.154.125.167 0:0:0:0:0:ffff:9d9a:7da7
157.154.125.168 0:0:0:0:0:ffff:9d9a:7da8
157.154.125.169 0:0:0:0:0:ffff:9d9a:7da9
157.154.125.170 0:0:0:0:0:ffff:9d9a:7daa
157.154.125.171 0:0:0:0:0:ffff:9d9a:7dab
157.154.125.172 0:0:0:0:0:ffff:9d9a:7dac
157.154.125.173 0:0:0:0:0:ffff:9d9a:7dad
157.154.125.174 0:0:0:0:0:ffff:9d9a:7dae
157.154.125.175 0:0:0:0:0:ffff:9d9a:7daf
157.154.125.176 0:0:0:0:0:ffff:9d9a:7db0
157.154.125.177 0:0:0:0:0:ffff:9d9a:7db1
157.154.125.178 0:0:0:0:0:ffff:9d9a:7db2
157.154.125.179 0:0:0:0:0:ffff:9d9a:7db3
157.154.125.180 0:0:0:0:0:ffff:9d9a:7db4


157.154.125.181 0:0:0:0:0:ffff:9d9a:7db5
157.154.125.182 0:0:0:0:0:ffff:9d9a:7db6
157.154.125.183 0:0:0:0:0:ffff:9d9a:7db7
157.154.125.184 0:0:0:0:0:ffff:9d9a:7db8
157.154.125.185 0:0:0:0:0:ffff:9d9a:7db9
157.154.125.186 0:0:0:0:0:ffff:9d9a:7dba
157.154.125.187 0:0:0:0:0:ffff:9d9a:7dbb
157.154.125.188 0:0:0:0:0:ffff:9d9a:7dbc
157.154.125.189 0:0:0:0:0:ffff:9d9a:7dbd
157.154.125.190 0:0:0:0:0:ffff:9d9a:7dbe
157.154.125.191 0:0:0:0:0:ffff:9d9a:7dbf
157.154.125.192 0:0:0:0:0:ffff:9d9a:7dc0
157.154.125.193 0:0:0:0:0:ffff:9d9a:7dc1
157.154.125.194 0:0:0:0:0:ffff:9d9a:7dc2
157.154.125.195 0:0:0:0:0:ffff:9d9a:7dc3
157.154.125.196 0:0:0:0:0:ffff:9d9a:7dc4
157.154.125.197 0:0:0:0:0:ffff:9d9a:7dc5
157.154.125.198 0:0:0:0:0:ffff:9d9a:7dc6
157.154.125.199 0:0:0:0:0:ffff:9d9a:7dc7
157.154.125.200 0:0:0:0:0:ffff:9d9a:7dc8
157.154.125.201 0:0:0:0:0:ffff:9d9a:7dc9
157.154.125.202 0:0:0:0:0:ffff:9d9a:7dca
157.154.125.203 0:0:0:0:0:ffff:9d9a:7dcb
157.154.125.204 0:0:0:0:0:ffff:9d9a:7dcc
157.154.125.205 0:0:0:0:0:ffff:9d9a:7dcd
157.154.125.206 0:0:0:0:0:ffff:9d9a:7dce
157.154.125.207 0:0:0:0:0:ffff:9d9a:7dcf
157.154.125.208 0:0:0:0:0:ffff:9d9a:7dd0
157.154.125.209 0:0:0:0:0:ffff:9d9a:7dd1
157.154.125.210 0:0:0:0:0:ffff:9d9a:7dd2
157.154.125.211 0:0:0:0:0:ffff:9d9a:7dd3
157.154.125.212 0:0:0:0:0:ffff:9d9a:7dd4
157.154.125.213 0:0:0:0:0:ffff:9d9a:7dd5
157.154.125.214 0:0:0:0:0:ffff:9d9a:7dd6
157.154.125.215 0:0:0:0:0:ffff:9d9a:7dd7
157.154.125.216 0:0:0:0:0:ffff:9d9a:7dd8
157.154.125.217 0:0:0:0:0:ffff:9d9a:7dd9
157.154.125.218 0:0:0:0:0:ffff:9d9a:7dda
157.154.125.219 0:0:0:0:0:ffff:9d9a:7ddb
157.154.125.220 0:0:0:0:0:ffff:9d9a:7ddc
157.154.125.221 0:0:0:0:0:ffff:9d9a:7ddd
157.154.125.222 0:0:0:0:0:ffff:9d9a:7dde
157.154.125.223 0:0:0:0:0:ffff:9d9a:7ddf
157.154.125.224 0:0:0:0:0:ffff:9d9a:7de0
157.154.125.225 0:0:0:0:0:ffff:9d9a:7de1
157.154.125.226 0:0:0:0:0:ffff:9d9a:7de2
157.154.125.227 0:0:0:0:0:ffff:9d9a:7de3
157.154.125.228 0:0:0:0:0:ffff:9d9a:7de4
157.154.125.229 0:0:0:0:0:ffff:9d9a:7de5
157.154.125.230 0:0:0:0:0:ffff:9d9a:7de6
157.154.125.231 0:0:0:0:0:ffff:9d9a:7de7
157.154.125.232 0:0:0:0:0:ffff:9d9a:7de8
157.154.125.233 0:0:0:0:0:ffff:9d9a:7de9
157.154.125.234 0:0:0:0:0:ffff:9d9a:7dea
157.154.125.235 0:0:0:0:0:ffff:9d9a:7deb
157.154.125.236 0:0:0:0:0:ffff:9d9a:7dec
157.154.125.237 0:0:0:0:0:ffff:9d9a:7ded
157.154.125.238 0:0:0:0:0:ffff:9d9a:7dee
157.154.125.239 0:0:0:0:0:ffff:9d9a:7def
157.154.125.240 0:0:0:0:0:ffff:9d9a:7df0
157.154.125.241 0:0:0:0:0:ffff:9d9a:7df1
157.154.125.242 0:0:0:0:0:ffff:9d9a:7df2
157.154.125.243 0:0:0:0:0:ffff:9d9a:7df3
157.154.125.244 0:0:0:0:0:ffff:9d9a:7df4
157.154.125.245 0:0:0:0:0:ffff:9d9a:7df5
157.154.125.246 0:0:0:0:0:ffff:9d9a:7df6
157.154.125.247 0:0:0:0:0:ffff:9d9a:7df7
157.154.125.248 0:0:0:0:0:ffff:9d9a:7df8
157.154.125.249 0:0:0:0:0:ffff:9d9a:7df9
157.154.125.250 0:0:0:0:0:ffff:9d9a:7dfa
157.154.125.251 0:0:0:0:0:ffff:9d9a:7dfb
157.154.125.252 0:0:0:0:0:ffff:9d9a:7dfc
157.154.125.253 0:0:0:0:0:ffff:9d9a:7dfd
157.154.125.254 0:0:0:0:0:ffff:9d9a:7dfe
157.154.125.255 0:0:0:0:0:ffff:9d9a:7dff


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.