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
151.123.109.1 0:0:0:0:0:ffff:977b:6d01
151.123.109.2 0:0:0:0:0:ffff:977b:6d02
151.123.109.3 0:0:0:0:0:ffff:977b:6d03
151.123.109.4 0:0:0:0:0:ffff:977b:6d04
151.123.109.5 0:0:0:0:0:ffff:977b:6d05
151.123.109.6 0:0:0:0:0:ffff:977b:6d06
151.123.109.7 0:0:0:0:0:ffff:977b:6d07
151.123.109.8 0:0:0:0:0:ffff:977b:6d08
151.123.109.9 0:0:0:0:0:ffff:977b:6d09
151.123.109.10 0:0:0:0:0:ffff:977b:6d0a
151.123.109.11 0:0:0:0:0:ffff:977b:6d0b
151.123.109.12 0:0:0:0:0:ffff:977b:6d0c
151.123.109.13 0:0:0:0:0:ffff:977b:6d0d
151.123.109.14 0:0:0:0:0:ffff:977b:6d0e
151.123.109.15 0:0:0:0:0:ffff:977b:6d0f
151.123.109.16 0:0:0:0:0:ffff:977b:6d10
151.123.109.17 0:0:0:0:0:ffff:977b:6d11
151.123.109.18 0:0:0:0:0:ffff:977b:6d12
151.123.109.19 0:0:0:0:0:ffff:977b:6d13
151.123.109.20 0:0:0:0:0:ffff:977b:6d14
151.123.109.21 0:0:0:0:0:ffff:977b:6d15
151.123.109.22 0:0:0:0:0:ffff:977b:6d16
151.123.109.23 0:0:0:0:0:ffff:977b:6d17
151.123.109.24 0:0:0:0:0:ffff:977b:6d18
151.123.109.25 0:0:0:0:0:ffff:977b:6d19
151.123.109.26 0:0:0:0:0:ffff:977b:6d1a
151.123.109.27 0:0:0:0:0:ffff:977b:6d1b
151.123.109.28 0:0:0:0:0:ffff:977b:6d1c
151.123.109.29 0:0:0:0:0:ffff:977b:6d1d
151.123.109.30 0:0:0:0:0:ffff:977b:6d1e
151.123.109.31 0:0:0:0:0:ffff:977b:6d1f
151.123.109.32 0:0:0:0:0:ffff:977b:6d20
151.123.109.33 0:0:0:0:0:ffff:977b:6d21
151.123.109.34 0:0:0:0:0:ffff:977b:6d22
151.123.109.35 0:0:0:0:0:ffff:977b:6d23
151.123.109.36 0:0:0:0:0:ffff:977b:6d24
151.123.109.37 0:0:0:0:0:ffff:977b:6d25
151.123.109.38 0:0:0:0:0:ffff:977b:6d26
151.123.109.39 0:0:0:0:0:ffff:977b:6d27
151.123.109.40 0:0:0:0:0:ffff:977b:6d28
151.123.109.41 0:0:0:0:0:ffff:977b:6d29
151.123.109.42 0:0:0:0:0:ffff:977b:6d2a
151.123.109.43 0:0:0:0:0:ffff:977b:6d2b
151.123.109.44 0:0:0:0:0:ffff:977b:6d2c
151.123.109.45 0:0:0:0:0:ffff:977b:6d2d
151.123.109.46 0:0:0:0:0:ffff:977b:6d2e
151.123.109.47 0:0:0:0:0:ffff:977b:6d2f
151.123.109.48 0:0:0:0:0:ffff:977b:6d30
151.123.109.49 0:0:0:0:0:ffff:977b:6d31
151.123.109.50 0:0:0:0:0:ffff:977b:6d32
151.123.109.51 0:0:0:0:0:ffff:977b:6d33
151.123.109.52 0:0:0:0:0:ffff:977b:6d34
151.123.109.53 0:0:0:0:0:ffff:977b:6d35
151.123.109.54 0:0:0:0:0:ffff:977b:6d36
151.123.109.55 0:0:0:0:0:ffff:977b:6d37
151.123.109.56 0:0:0:0:0:ffff:977b:6d38
151.123.109.57 0:0:0:0:0:ffff:977b:6d39
151.123.109.58 0:0:0:0:0:ffff:977b:6d3a
151.123.109.59 0:0:0:0:0:ffff:977b:6d3b
151.123.109.60 0:0:0:0:0:ffff:977b:6d3c


151.123.109.61 0:0:0:0:0:ffff:977b:6d3d
151.123.109.62 0:0:0:0:0:ffff:977b:6d3e
151.123.109.63 0:0:0:0:0:ffff:977b:6d3f
151.123.109.64 0:0:0:0:0:ffff:977b:6d40
151.123.109.65 0:0:0:0:0:ffff:977b:6d41
151.123.109.66 0:0:0:0:0:ffff:977b:6d42
151.123.109.67 0:0:0:0:0:ffff:977b:6d43
151.123.109.68 0:0:0:0:0:ffff:977b:6d44
151.123.109.69 0:0:0:0:0:ffff:977b:6d45
151.123.109.70 0:0:0:0:0:ffff:977b:6d46
151.123.109.71 0:0:0:0:0:ffff:977b:6d47
151.123.109.72 0:0:0:0:0:ffff:977b:6d48
151.123.109.73 0:0:0:0:0:ffff:977b:6d49
151.123.109.74 0:0:0:0:0:ffff:977b:6d4a
151.123.109.75 0:0:0:0:0:ffff:977b:6d4b
151.123.109.76 0:0:0:0:0:ffff:977b:6d4c
151.123.109.77 0:0:0:0:0:ffff:977b:6d4d
151.123.109.78 0:0:0:0:0:ffff:977b:6d4e
151.123.109.79 0:0:0:0:0:ffff:977b:6d4f
151.123.109.80 0:0:0:0:0:ffff:977b:6d50
151.123.109.81 0:0:0:0:0:ffff:977b:6d51
151.123.109.82 0:0:0:0:0:ffff:977b:6d52
151.123.109.83 0:0:0:0:0:ffff:977b:6d53
151.123.109.84 0:0:0:0:0:ffff:977b:6d54
151.123.109.85 0:0:0:0:0:ffff:977b:6d55
151.123.109.86 0:0:0:0:0:ffff:977b:6d56
151.123.109.87 0:0:0:0:0:ffff:977b:6d57
151.123.109.88 0:0:0:0:0:ffff:977b:6d58
151.123.109.89 0:0:0:0:0:ffff:977b:6d59
151.123.109.90 0:0:0:0:0:ffff:977b:6d5a
151.123.109.91 0:0:0:0:0:ffff:977b:6d5b
151.123.109.92 0:0:0:0:0:ffff:977b:6d5c
151.123.109.93 0:0:0:0:0:ffff:977b:6d5d
151.123.109.94 0:0:0:0:0:ffff:977b:6d5e
151.123.109.95 0:0:0:0:0:ffff:977b:6d5f
151.123.109.96 0:0:0:0:0:ffff:977b:6d60
151.123.109.97 0:0:0:0:0:ffff:977b:6d61
151.123.109.98 0:0:0:0:0:ffff:977b:6d62
151.123.109.99 0:0:0:0:0:ffff:977b:6d63
151.123.109.100 0:0:0:0:0:ffff:977b:6d64
151.123.109.101 0:0:0:0:0:ffff:977b:6d65
151.123.109.102 0:0:0:0:0:ffff:977b:6d66
151.123.109.103 0:0:0:0:0:ffff:977b:6d67
151.123.109.104 0:0:0:0:0:ffff:977b:6d68
151.123.109.105 0:0:0:0:0:ffff:977b:6d69
151.123.109.106 0:0:0:0:0:ffff:977b:6d6a
151.123.109.107 0:0:0:0:0:ffff:977b:6d6b
151.123.109.108 0:0:0:0:0:ffff:977b:6d6c
151.123.109.109 0:0:0:0:0:ffff:977b:6d6d
151.123.109.110 0:0:0:0:0:ffff:977b:6d6e
151.123.109.111 0:0:0:0:0:ffff:977b:6d6f
151.123.109.112 0:0:0:0:0:ffff:977b:6d70
151.123.109.113 0:0:0:0:0:ffff:977b:6d71
151.123.109.114 0:0:0:0:0:ffff:977b:6d72
151.123.109.115 0:0:0:0:0:ffff:977b:6d73
151.123.109.116 0:0:0:0:0:ffff:977b:6d74
151.123.109.117 0:0:0:0:0:ffff:977b:6d75
151.123.109.118 0:0:0:0:0:ffff:977b:6d76
151.123.109.119 0:0:0:0:0:ffff:977b:6d77
151.123.109.120 0:0:0:0:0:ffff:977b:6d78


151.123.109.121 0:0:0:0:0:ffff:977b:6d79
151.123.109.122 0:0:0:0:0:ffff:977b:6d7a
151.123.109.123 0:0:0:0:0:ffff:977b:6d7b
151.123.109.124 0:0:0:0:0:ffff:977b:6d7c
151.123.109.125 0:0:0:0:0:ffff:977b:6d7d
151.123.109.126 0:0:0:0:0:ffff:977b:6d7e
151.123.109.127 0:0:0:0:0:ffff:977b:6d7f
151.123.109.128 0:0:0:0:0:ffff:977b:6d80
151.123.109.129 0:0:0:0:0:ffff:977b:6d81
151.123.109.130 0:0:0:0:0:ffff:977b:6d82
151.123.109.131 0:0:0:0:0:ffff:977b:6d83
151.123.109.132 0:0:0:0:0:ffff:977b:6d84
151.123.109.133 0:0:0:0:0:ffff:977b:6d85
151.123.109.134 0:0:0:0:0:ffff:977b:6d86
151.123.109.135 0:0:0:0:0:ffff:977b:6d87
151.123.109.136 0:0:0:0:0:ffff:977b:6d88
151.123.109.137 0:0:0:0:0:ffff:977b:6d89
151.123.109.138 0:0:0:0:0:ffff:977b:6d8a
151.123.109.139 0:0:0:0:0:ffff:977b:6d8b
151.123.109.140 0:0:0:0:0:ffff:977b:6d8c
151.123.109.141 0:0:0:0:0:ffff:977b:6d8d
151.123.109.142 0:0:0:0:0:ffff:977b:6d8e
151.123.109.143 0:0:0:0:0:ffff:977b:6d8f
151.123.109.144 0:0:0:0:0:ffff:977b:6d90
151.123.109.145 0:0:0:0:0:ffff:977b:6d91
151.123.109.146 0:0:0:0:0:ffff:977b:6d92
151.123.109.147 0:0:0:0:0:ffff:977b:6d93
151.123.109.148 0:0:0:0:0:ffff:977b:6d94
151.123.109.149 0:0:0:0:0:ffff:977b:6d95
151.123.109.150 0:0:0:0:0:ffff:977b:6d96
151.123.109.151 0:0:0:0:0:ffff:977b:6d97
151.123.109.152 0:0:0:0:0:ffff:977b:6d98
151.123.109.153 0:0:0:0:0:ffff:977b:6d99
151.123.109.154 0:0:0:0:0:ffff:977b:6d9a
151.123.109.155 0:0:0:0:0:ffff:977b:6d9b
151.123.109.156 0:0:0:0:0:ffff:977b:6d9c
151.123.109.157 0:0:0:0:0:ffff:977b:6d9d
151.123.109.158 0:0:0:0:0:ffff:977b:6d9e
151.123.109.159 0:0:0:0:0:ffff:977b:6d9f
151.123.109.160 0:0:0:0:0:ffff:977b:6da0
151.123.109.161 0:0:0:0:0:ffff:977b:6da1
151.123.109.162 0:0:0:0:0:ffff:977b:6da2
151.123.109.163 0:0:0:0:0:ffff:977b:6da3
151.123.109.164 0:0:0:0:0:ffff:977b:6da4
151.123.109.165 0:0:0:0:0:ffff:977b:6da5
151.123.109.166 0:0:0:0:0:ffff:977b:6da6
151.123.109.167 0:0:0:0:0:ffff:977b:6da7
151.123.109.168 0:0:0:0:0:ffff:977b:6da8
151.123.109.169 0:0:0:0:0:ffff:977b:6da9
151.123.109.170 0:0:0:0:0:ffff:977b:6daa
151.123.109.171 0:0:0:0:0:ffff:977b:6dab
151.123.109.172 0:0:0:0:0:ffff:977b:6dac
151.123.109.173 0:0:0:0:0:ffff:977b:6dad
151.123.109.174 0:0:0:0:0:ffff:977b:6dae
151.123.109.175 0:0:0:0:0:ffff:977b:6daf
151.123.109.176 0:0:0:0:0:ffff:977b:6db0
151.123.109.177 0:0:0:0:0:ffff:977b:6db1
151.123.109.178 0:0:0:0:0:ffff:977b:6db2
151.123.109.179 0:0:0:0:0:ffff:977b:6db3
151.123.109.180 0:0:0:0:0:ffff:977b:6db4


151.123.109.181 0:0:0:0:0:ffff:977b:6db5
151.123.109.182 0:0:0:0:0:ffff:977b:6db6
151.123.109.183 0:0:0:0:0:ffff:977b:6db7
151.123.109.184 0:0:0:0:0:ffff:977b:6db8
151.123.109.185 0:0:0:0:0:ffff:977b:6db9
151.123.109.186 0:0:0:0:0:ffff:977b:6dba
151.123.109.187 0:0:0:0:0:ffff:977b:6dbb
151.123.109.188 0:0:0:0:0:ffff:977b:6dbc
151.123.109.189 0:0:0:0:0:ffff:977b:6dbd
151.123.109.190 0:0:0:0:0:ffff:977b:6dbe
151.123.109.191 0:0:0:0:0:ffff:977b:6dbf
151.123.109.192 0:0:0:0:0:ffff:977b:6dc0
151.123.109.193 0:0:0:0:0:ffff:977b:6dc1
151.123.109.194 0:0:0:0:0:ffff:977b:6dc2
151.123.109.195 0:0:0:0:0:ffff:977b:6dc3
151.123.109.196 0:0:0:0:0:ffff:977b:6dc4
151.123.109.197 0:0:0:0:0:ffff:977b:6dc5
151.123.109.198 0:0:0:0:0:ffff:977b:6dc6
151.123.109.199 0:0:0:0:0:ffff:977b:6dc7
151.123.109.200 0:0:0:0:0:ffff:977b:6dc8
151.123.109.201 0:0:0:0:0:ffff:977b:6dc9
151.123.109.202 0:0:0:0:0:ffff:977b:6dca
151.123.109.203 0:0:0:0:0:ffff:977b:6dcb
151.123.109.204 0:0:0:0:0:ffff:977b:6dcc
151.123.109.205 0:0:0:0:0:ffff:977b:6dcd
151.123.109.206 0:0:0:0:0:ffff:977b:6dce
151.123.109.207 0:0:0:0:0:ffff:977b:6dcf
151.123.109.208 0:0:0:0:0:ffff:977b:6dd0
151.123.109.209 0:0:0:0:0:ffff:977b:6dd1
151.123.109.210 0:0:0:0:0:ffff:977b:6dd2
151.123.109.211 0:0:0:0:0:ffff:977b:6dd3
151.123.109.212 0:0:0:0:0:ffff:977b:6dd4
151.123.109.213 0:0:0:0:0:ffff:977b:6dd5
151.123.109.214 0:0:0:0:0:ffff:977b:6dd6
151.123.109.215 0:0:0:0:0:ffff:977b:6dd7
151.123.109.216 0:0:0:0:0:ffff:977b:6dd8
151.123.109.217 0:0:0:0:0:ffff:977b:6dd9
151.123.109.218 0:0:0:0:0:ffff:977b:6dda
151.123.109.219 0:0:0:0:0:ffff:977b:6ddb
151.123.109.220 0:0:0:0:0:ffff:977b:6ddc
151.123.109.221 0:0:0:0:0:ffff:977b:6ddd
151.123.109.222 0:0:0:0:0:ffff:977b:6dde
151.123.109.223 0:0:0:0:0:ffff:977b:6ddf
151.123.109.224 0:0:0:0:0:ffff:977b:6de0
151.123.109.225 0:0:0:0:0:ffff:977b:6de1
151.123.109.226 0:0:0:0:0:ffff:977b:6de2
151.123.109.227 0:0:0:0:0:ffff:977b:6de3
151.123.109.228 0:0:0:0:0:ffff:977b:6de4
151.123.109.229 0:0:0:0:0:ffff:977b:6de5
151.123.109.230 0:0:0:0:0:ffff:977b:6de6
151.123.109.231 0:0:0:0:0:ffff:977b:6de7
151.123.109.232 0:0:0:0:0:ffff:977b:6de8
151.123.109.233 0:0:0:0:0:ffff:977b:6de9
151.123.109.234 0:0:0:0:0:ffff:977b:6dea
151.123.109.235 0:0:0:0:0:ffff:977b:6deb
151.123.109.236 0:0:0:0:0:ffff:977b:6dec
151.123.109.237 0:0:0:0:0:ffff:977b:6ded
151.123.109.238 0:0:0:0:0:ffff:977b:6dee
151.123.109.239 0:0:0:0:0:ffff:977b:6def
151.123.109.240 0:0:0:0:0:ffff:977b:6df0
151.123.109.241 0:0:0:0:0:ffff:977b:6df1
151.123.109.242 0:0:0:0:0:ffff:977b:6df2
151.123.109.243 0:0:0:0:0:ffff:977b:6df3
151.123.109.244 0:0:0:0:0:ffff:977b:6df4
151.123.109.245 0:0:0:0:0:ffff:977b:6df5
151.123.109.246 0:0:0:0:0:ffff:977b:6df6
151.123.109.247 0:0:0:0:0:ffff:977b:6df7
151.123.109.248 0:0:0:0:0:ffff:977b:6df8
151.123.109.249 0:0:0:0:0:ffff:977b:6df9
151.123.109.250 0:0:0:0:0:ffff:977b:6dfa
151.123.109.251 0:0:0:0:0:ffff:977b:6dfb
151.123.109.252 0:0:0:0:0:ffff:977b:6dfc
151.123.109.253 0:0:0:0:0:ffff:977b:6dfd
151.123.109.254 0:0:0:0:0:ffff:977b:6dfe
151.123.109.255 0:0:0:0:0:ffff:977b:6dff


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.