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
157.154.45.1 0:0:0:0:0:ffff:9d9a:2d01
157.154.45.2 0:0:0:0:0:ffff:9d9a:2d02
157.154.45.3 0:0:0:0:0:ffff:9d9a:2d03
157.154.45.4 0:0:0:0:0:ffff:9d9a:2d04
157.154.45.5 0:0:0:0:0:ffff:9d9a:2d05
157.154.45.6 0:0:0:0:0:ffff:9d9a:2d06
157.154.45.7 0:0:0:0:0:ffff:9d9a:2d07
157.154.45.8 0:0:0:0:0:ffff:9d9a:2d08
157.154.45.9 0:0:0:0:0:ffff:9d9a:2d09
157.154.45.10 0:0:0:0:0:ffff:9d9a:2d0a
157.154.45.11 0:0:0:0:0:ffff:9d9a:2d0b
157.154.45.12 0:0:0:0:0:ffff:9d9a:2d0c
157.154.45.13 0:0:0:0:0:ffff:9d9a:2d0d
157.154.45.14 0:0:0:0:0:ffff:9d9a:2d0e
157.154.45.15 0:0:0:0:0:ffff:9d9a:2d0f
157.154.45.16 0:0:0:0:0:ffff:9d9a:2d10
157.154.45.17 0:0:0:0:0:ffff:9d9a:2d11
157.154.45.18 0:0:0:0:0:ffff:9d9a:2d12
157.154.45.19 0:0:0:0:0:ffff:9d9a:2d13
157.154.45.20 0:0:0:0:0:ffff:9d9a:2d14
157.154.45.21 0:0:0:0:0:ffff:9d9a:2d15
157.154.45.22 0:0:0:0:0:ffff:9d9a:2d16
157.154.45.23 0:0:0:0:0:ffff:9d9a:2d17
157.154.45.24 0:0:0:0:0:ffff:9d9a:2d18
157.154.45.25 0:0:0:0:0:ffff:9d9a:2d19
157.154.45.26 0:0:0:0:0:ffff:9d9a:2d1a
157.154.45.27 0:0:0:0:0:ffff:9d9a:2d1b
157.154.45.28 0:0:0:0:0:ffff:9d9a:2d1c
157.154.45.29 0:0:0:0:0:ffff:9d9a:2d1d
157.154.45.30 0:0:0:0:0:ffff:9d9a:2d1e
157.154.45.31 0:0:0:0:0:ffff:9d9a:2d1f
157.154.45.32 0:0:0:0:0:ffff:9d9a:2d20
157.154.45.33 0:0:0:0:0:ffff:9d9a:2d21
157.154.45.34 0:0:0:0:0:ffff:9d9a:2d22
157.154.45.35 0:0:0:0:0:ffff:9d9a:2d23
157.154.45.36 0:0:0:0:0:ffff:9d9a:2d24
157.154.45.37 0:0:0:0:0:ffff:9d9a:2d25
157.154.45.38 0:0:0:0:0:ffff:9d9a:2d26
157.154.45.39 0:0:0:0:0:ffff:9d9a:2d27
157.154.45.40 0:0:0:0:0:ffff:9d9a:2d28
157.154.45.41 0:0:0:0:0:ffff:9d9a:2d29
157.154.45.42 0:0:0:0:0:ffff:9d9a:2d2a
157.154.45.43 0:0:0:0:0:ffff:9d9a:2d2b
157.154.45.44 0:0:0:0:0:ffff:9d9a:2d2c
157.154.45.45 0:0:0:0:0:ffff:9d9a:2d2d
157.154.45.46 0:0:0:0:0:ffff:9d9a:2d2e
157.154.45.47 0:0:0:0:0:ffff:9d9a:2d2f
157.154.45.48 0:0:0:0:0:ffff:9d9a:2d30
157.154.45.49 0:0:0:0:0:ffff:9d9a:2d31
157.154.45.50 0:0:0:0:0:ffff:9d9a:2d32
157.154.45.51 0:0:0:0:0:ffff:9d9a:2d33
157.154.45.52 0:0:0:0:0:ffff:9d9a:2d34
157.154.45.53 0:0:0:0:0:ffff:9d9a:2d35
157.154.45.54 0:0:0:0:0:ffff:9d9a:2d36
157.154.45.55 0:0:0:0:0:ffff:9d9a:2d37
157.154.45.56 0:0:0:0:0:ffff:9d9a:2d38
157.154.45.57 0:0:0:0:0:ffff:9d9a:2d39
157.154.45.58 0:0:0:0:0:ffff:9d9a:2d3a
157.154.45.59 0:0:0:0:0:ffff:9d9a:2d3b
157.154.45.60 0:0:0:0:0:ffff:9d9a:2d3c


157.154.45.61 0:0:0:0:0:ffff:9d9a:2d3d
157.154.45.62 0:0:0:0:0:ffff:9d9a:2d3e
157.154.45.63 0:0:0:0:0:ffff:9d9a:2d3f
157.154.45.64 0:0:0:0:0:ffff:9d9a:2d40
157.154.45.65 0:0:0:0:0:ffff:9d9a:2d41
157.154.45.66 0:0:0:0:0:ffff:9d9a:2d42
157.154.45.67 0:0:0:0:0:ffff:9d9a:2d43
157.154.45.68 0:0:0:0:0:ffff:9d9a:2d44
157.154.45.69 0:0:0:0:0:ffff:9d9a:2d45
157.154.45.70 0:0:0:0:0:ffff:9d9a:2d46
157.154.45.71 0:0:0:0:0:ffff:9d9a:2d47
157.154.45.72 0:0:0:0:0:ffff:9d9a:2d48
157.154.45.73 0:0:0:0:0:ffff:9d9a:2d49
157.154.45.74 0:0:0:0:0:ffff:9d9a:2d4a
157.154.45.75 0:0:0:0:0:ffff:9d9a:2d4b
157.154.45.76 0:0:0:0:0:ffff:9d9a:2d4c
157.154.45.77 0:0:0:0:0:ffff:9d9a:2d4d
157.154.45.78 0:0:0:0:0:ffff:9d9a:2d4e
157.154.45.79 0:0:0:0:0:ffff:9d9a:2d4f
157.154.45.80 0:0:0:0:0:ffff:9d9a:2d50
157.154.45.81 0:0:0:0:0:ffff:9d9a:2d51
157.154.45.82 0:0:0:0:0:ffff:9d9a:2d52
157.154.45.83 0:0:0:0:0:ffff:9d9a:2d53
157.154.45.84 0:0:0:0:0:ffff:9d9a:2d54
157.154.45.85 0:0:0:0:0:ffff:9d9a:2d55
157.154.45.86 0:0:0:0:0:ffff:9d9a:2d56
157.154.45.87 0:0:0:0:0:ffff:9d9a:2d57
157.154.45.88 0:0:0:0:0:ffff:9d9a:2d58
157.154.45.89 0:0:0:0:0:ffff:9d9a:2d59
157.154.45.90 0:0:0:0:0:ffff:9d9a:2d5a
157.154.45.91 0:0:0:0:0:ffff:9d9a:2d5b
157.154.45.92 0:0:0:0:0:ffff:9d9a:2d5c
157.154.45.93 0:0:0:0:0:ffff:9d9a:2d5d
157.154.45.94 0:0:0:0:0:ffff:9d9a:2d5e
157.154.45.95 0:0:0:0:0:ffff:9d9a:2d5f
157.154.45.96 0:0:0:0:0:ffff:9d9a:2d60
157.154.45.97 0:0:0:0:0:ffff:9d9a:2d61
157.154.45.98 0:0:0:0:0:ffff:9d9a:2d62
157.154.45.99 0:0:0:0:0:ffff:9d9a:2d63
157.154.45.100 0:0:0:0:0:ffff:9d9a:2d64
157.154.45.101 0:0:0:0:0:ffff:9d9a:2d65
157.154.45.102 0:0:0:0:0:ffff:9d9a:2d66
157.154.45.103 0:0:0:0:0:ffff:9d9a:2d67
157.154.45.104 0:0:0:0:0:ffff:9d9a:2d68
157.154.45.105 0:0:0:0:0:ffff:9d9a:2d69
157.154.45.106 0:0:0:0:0:ffff:9d9a:2d6a
157.154.45.107 0:0:0:0:0:ffff:9d9a:2d6b
157.154.45.108 0:0:0:0:0:ffff:9d9a:2d6c
157.154.45.109 0:0:0:0:0:ffff:9d9a:2d6d
157.154.45.110 0:0:0:0:0:ffff:9d9a:2d6e
157.154.45.111 0:0:0:0:0:ffff:9d9a:2d6f
157.154.45.112 0:0:0:0:0:ffff:9d9a:2d70
157.154.45.113 0:0:0:0:0:ffff:9d9a:2d71
157.154.45.114 0:0:0:0:0:ffff:9d9a:2d72
157.154.45.115 0:0:0:0:0:ffff:9d9a:2d73
157.154.45.116 0:0:0:0:0:ffff:9d9a:2d74
157.154.45.117 0:0:0:0:0:ffff:9d9a:2d75
157.154.45.118 0:0:0:0:0:ffff:9d9a:2d76
157.154.45.119 0:0:0:0:0:ffff:9d9a:2d77
157.154.45.120 0:0:0:0:0:ffff:9d9a:2d78


157.154.45.121 0:0:0:0:0:ffff:9d9a:2d79
157.154.45.122 0:0:0:0:0:ffff:9d9a:2d7a
157.154.45.123 0:0:0:0:0:ffff:9d9a:2d7b
157.154.45.124 0:0:0:0:0:ffff:9d9a:2d7c
157.154.45.125 0:0:0:0:0:ffff:9d9a:2d7d
157.154.45.126 0:0:0:0:0:ffff:9d9a:2d7e
157.154.45.127 0:0:0:0:0:ffff:9d9a:2d7f
157.154.45.128 0:0:0:0:0:ffff:9d9a:2d80
157.154.45.129 0:0:0:0:0:ffff:9d9a:2d81
157.154.45.130 0:0:0:0:0:ffff:9d9a:2d82
157.154.45.131 0:0:0:0:0:ffff:9d9a:2d83
157.154.45.132 0:0:0:0:0:ffff:9d9a:2d84
157.154.45.133 0:0:0:0:0:ffff:9d9a:2d85
157.154.45.134 0:0:0:0:0:ffff:9d9a:2d86
157.154.45.135 0:0:0:0:0:ffff:9d9a:2d87
157.154.45.136 0:0:0:0:0:ffff:9d9a:2d88
157.154.45.137 0:0:0:0:0:ffff:9d9a:2d89
157.154.45.138 0:0:0:0:0:ffff:9d9a:2d8a
157.154.45.139 0:0:0:0:0:ffff:9d9a:2d8b
157.154.45.140 0:0:0:0:0:ffff:9d9a:2d8c
157.154.45.141 0:0:0:0:0:ffff:9d9a:2d8d
157.154.45.142 0:0:0:0:0:ffff:9d9a:2d8e
157.154.45.143 0:0:0:0:0:ffff:9d9a:2d8f
157.154.45.144 0:0:0:0:0:ffff:9d9a:2d90
157.154.45.145 0:0:0:0:0:ffff:9d9a:2d91
157.154.45.146 0:0:0:0:0:ffff:9d9a:2d92
157.154.45.147 0:0:0:0:0:ffff:9d9a:2d93
157.154.45.148 0:0:0:0:0:ffff:9d9a:2d94
157.154.45.149 0:0:0:0:0:ffff:9d9a:2d95
157.154.45.150 0:0:0:0:0:ffff:9d9a:2d96
157.154.45.151 0:0:0:0:0:ffff:9d9a:2d97
157.154.45.152 0:0:0:0:0:ffff:9d9a:2d98
157.154.45.153 0:0:0:0:0:ffff:9d9a:2d99
157.154.45.154 0:0:0:0:0:ffff:9d9a:2d9a
157.154.45.155 0:0:0:0:0:ffff:9d9a:2d9b
157.154.45.156 0:0:0:0:0:ffff:9d9a:2d9c
157.154.45.157 0:0:0:0:0:ffff:9d9a:2d9d
157.154.45.158 0:0:0:0:0:ffff:9d9a:2d9e
157.154.45.159 0:0:0:0:0:ffff:9d9a:2d9f
157.154.45.160 0:0:0:0:0:ffff:9d9a:2da0
157.154.45.161 0:0:0:0:0:ffff:9d9a:2da1
157.154.45.162 0:0:0:0:0:ffff:9d9a:2da2
157.154.45.163 0:0:0:0:0:ffff:9d9a:2da3
157.154.45.164 0:0:0:0:0:ffff:9d9a:2da4
157.154.45.165 0:0:0:0:0:ffff:9d9a:2da5
157.154.45.166 0:0:0:0:0:ffff:9d9a:2da6
157.154.45.167 0:0:0:0:0:ffff:9d9a:2da7
157.154.45.168 0:0:0:0:0:ffff:9d9a:2da8
157.154.45.169 0:0:0:0:0:ffff:9d9a:2da9
157.154.45.170 0:0:0:0:0:ffff:9d9a:2daa
157.154.45.171 0:0:0:0:0:ffff:9d9a:2dab
157.154.45.172 0:0:0:0:0:ffff:9d9a:2dac
157.154.45.173 0:0:0:0:0:ffff:9d9a:2dad
157.154.45.174 0:0:0:0:0:ffff:9d9a:2dae
157.154.45.175 0:0:0:0:0:ffff:9d9a:2daf
157.154.45.176 0:0:0:0:0:ffff:9d9a:2db0
157.154.45.177 0:0:0:0:0:ffff:9d9a:2db1
157.154.45.178 0:0:0:0:0:ffff:9d9a:2db2
157.154.45.179 0:0:0:0:0:ffff:9d9a:2db3
157.154.45.180 0:0:0:0:0:ffff:9d9a:2db4


157.154.45.181 0:0:0:0:0:ffff:9d9a:2db5
157.154.45.182 0:0:0:0:0:ffff:9d9a:2db6
157.154.45.183 0:0:0:0:0:ffff:9d9a:2db7
157.154.45.184 0:0:0:0:0:ffff:9d9a:2db8
157.154.45.185 0:0:0:0:0:ffff:9d9a:2db9
157.154.45.186 0:0:0:0:0:ffff:9d9a:2dba
157.154.45.187 0:0:0:0:0:ffff:9d9a:2dbb
157.154.45.188 0:0:0:0:0:ffff:9d9a:2dbc
157.154.45.189 0:0:0:0:0:ffff:9d9a:2dbd
157.154.45.190 0:0:0:0:0:ffff:9d9a:2dbe
157.154.45.191 0:0:0:0:0:ffff:9d9a:2dbf
157.154.45.192 0:0:0:0:0:ffff:9d9a:2dc0
157.154.45.193 0:0:0:0:0:ffff:9d9a:2dc1
157.154.45.194 0:0:0:0:0:ffff:9d9a:2dc2
157.154.45.195 0:0:0:0:0:ffff:9d9a:2dc3
157.154.45.196 0:0:0:0:0:ffff:9d9a:2dc4
157.154.45.197 0:0:0:0:0:ffff:9d9a:2dc5
157.154.45.198 0:0:0:0:0:ffff:9d9a:2dc6
157.154.45.199 0:0:0:0:0:ffff:9d9a:2dc7
157.154.45.200 0:0:0:0:0:ffff:9d9a:2dc8
157.154.45.201 0:0:0:0:0:ffff:9d9a:2dc9
157.154.45.202 0:0:0:0:0:ffff:9d9a:2dca
157.154.45.203 0:0:0:0:0:ffff:9d9a:2dcb
157.154.45.204 0:0:0:0:0:ffff:9d9a:2dcc
157.154.45.205 0:0:0:0:0:ffff:9d9a:2dcd
157.154.45.206 0:0:0:0:0:ffff:9d9a:2dce
157.154.45.207 0:0:0:0:0:ffff:9d9a:2dcf
157.154.45.208 0:0:0:0:0:ffff:9d9a:2dd0
157.154.45.209 0:0:0:0:0:ffff:9d9a:2dd1
157.154.45.210 0:0:0:0:0:ffff:9d9a:2dd2
157.154.45.211 0:0:0:0:0:ffff:9d9a:2dd3
157.154.45.212 0:0:0:0:0:ffff:9d9a:2dd4
157.154.45.213 0:0:0:0:0:ffff:9d9a:2dd5
157.154.45.214 0:0:0:0:0:ffff:9d9a:2dd6
157.154.45.215 0:0:0:0:0:ffff:9d9a:2dd7
157.154.45.216 0:0:0:0:0:ffff:9d9a:2dd8
157.154.45.217 0:0:0:0:0:ffff:9d9a:2dd9
157.154.45.218 0:0:0:0:0:ffff:9d9a:2dda
157.154.45.219 0:0:0:0:0:ffff:9d9a:2ddb
157.154.45.220 0:0:0:0:0:ffff:9d9a:2ddc
157.154.45.221 0:0:0:0:0:ffff:9d9a:2ddd
157.154.45.222 0:0:0:0:0:ffff:9d9a:2dde
157.154.45.223 0:0:0:0:0:ffff:9d9a:2ddf
157.154.45.224 0:0:0:0:0:ffff:9d9a:2de0
157.154.45.225 0:0:0:0:0:ffff:9d9a:2de1
157.154.45.226 0:0:0:0:0:ffff:9d9a:2de2
157.154.45.227 0:0:0:0:0:ffff:9d9a:2de3
157.154.45.228 0:0:0:0:0:ffff:9d9a:2de4
157.154.45.229 0:0:0:0:0:ffff:9d9a:2de5
157.154.45.230 0:0:0:0:0:ffff:9d9a:2de6
157.154.45.231 0:0:0:0:0:ffff:9d9a:2de7
157.154.45.232 0:0:0:0:0:ffff:9d9a:2de8
157.154.45.233 0:0:0:0:0:ffff:9d9a:2de9
157.154.45.234 0:0:0:0:0:ffff:9d9a:2dea
157.154.45.235 0:0:0:0:0:ffff:9d9a:2deb
157.154.45.236 0:0:0:0:0:ffff:9d9a:2dec
157.154.45.237 0:0:0:0:0:ffff:9d9a:2ded
157.154.45.238 0:0:0:0:0:ffff:9d9a:2dee
157.154.45.239 0:0:0:0:0:ffff:9d9a:2def
157.154.45.240 0:0:0:0:0:ffff:9d9a:2df0
157.154.45.241 0:0:0:0:0:ffff:9d9a:2df1
157.154.45.242 0:0:0:0:0:ffff:9d9a:2df2
157.154.45.243 0:0:0:0:0:ffff:9d9a:2df3
157.154.45.244 0:0:0:0:0:ffff:9d9a:2df4
157.154.45.245 0:0:0:0:0:ffff:9d9a:2df5
157.154.45.246 0:0:0:0:0:ffff:9d9a:2df6
157.154.45.247 0:0:0:0:0:ffff:9d9a:2df7
157.154.45.248 0:0:0:0:0:ffff:9d9a:2df8
157.154.45.249 0:0:0:0:0:ffff:9d9a:2df9
157.154.45.250 0:0:0:0:0:ffff:9d9a:2dfa
157.154.45.251 0:0:0:0:0:ffff:9d9a:2dfb
157.154.45.252 0:0:0:0:0:ffff:9d9a:2dfc
157.154.45.253 0:0:0:0:0:ffff:9d9a:2dfd
157.154.45.254 0:0:0:0:0:ffff:9d9a:2dfe
157.154.45.255 0:0:0:0:0:ffff:9d9a:2dff


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.