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
123.215.77.1 0:0:0:0:0:ffff:7bd7:4d01
123.215.77.2 0:0:0:0:0:ffff:7bd7:4d02
123.215.77.3 0:0:0:0:0:ffff:7bd7:4d03
123.215.77.4 0:0:0:0:0:ffff:7bd7:4d04
123.215.77.5 0:0:0:0:0:ffff:7bd7:4d05
123.215.77.6 0:0:0:0:0:ffff:7bd7:4d06
123.215.77.7 0:0:0:0:0:ffff:7bd7:4d07
123.215.77.8 0:0:0:0:0:ffff:7bd7:4d08
123.215.77.9 0:0:0:0:0:ffff:7bd7:4d09
123.215.77.10 0:0:0:0:0:ffff:7bd7:4d0a
123.215.77.11 0:0:0:0:0:ffff:7bd7:4d0b
123.215.77.12 0:0:0:0:0:ffff:7bd7:4d0c
123.215.77.13 0:0:0:0:0:ffff:7bd7:4d0d
123.215.77.14 0:0:0:0:0:ffff:7bd7:4d0e
123.215.77.15 0:0:0:0:0:ffff:7bd7:4d0f
123.215.77.16 0:0:0:0:0:ffff:7bd7:4d10
123.215.77.17 0:0:0:0:0:ffff:7bd7:4d11
123.215.77.18 0:0:0:0:0:ffff:7bd7:4d12
123.215.77.19 0:0:0:0:0:ffff:7bd7:4d13
123.215.77.20 0:0:0:0:0:ffff:7bd7:4d14
123.215.77.21 0:0:0:0:0:ffff:7bd7:4d15
123.215.77.22 0:0:0:0:0:ffff:7bd7:4d16
123.215.77.23 0:0:0:0:0:ffff:7bd7:4d17
123.215.77.24 0:0:0:0:0:ffff:7bd7:4d18
123.215.77.25 0:0:0:0:0:ffff:7bd7:4d19
123.215.77.26 0:0:0:0:0:ffff:7bd7:4d1a
123.215.77.27 0:0:0:0:0:ffff:7bd7:4d1b
123.215.77.28 0:0:0:0:0:ffff:7bd7:4d1c
123.215.77.29 0:0:0:0:0:ffff:7bd7:4d1d
123.215.77.30 0:0:0:0:0:ffff:7bd7:4d1e
123.215.77.31 0:0:0:0:0:ffff:7bd7:4d1f
123.215.77.32 0:0:0:0:0:ffff:7bd7:4d20
123.215.77.33 0:0:0:0:0:ffff:7bd7:4d21
123.215.77.34 0:0:0:0:0:ffff:7bd7:4d22
123.215.77.35 0:0:0:0:0:ffff:7bd7:4d23
123.215.77.36 0:0:0:0:0:ffff:7bd7:4d24
123.215.77.37 0:0:0:0:0:ffff:7bd7:4d25
123.215.77.38 0:0:0:0:0:ffff:7bd7:4d26
123.215.77.39 0:0:0:0:0:ffff:7bd7:4d27
123.215.77.40 0:0:0:0:0:ffff:7bd7:4d28
123.215.77.41 0:0:0:0:0:ffff:7bd7:4d29
123.215.77.42 0:0:0:0:0:ffff:7bd7:4d2a
123.215.77.43 0:0:0:0:0:ffff:7bd7:4d2b
123.215.77.44 0:0:0:0:0:ffff:7bd7:4d2c
123.215.77.45 0:0:0:0:0:ffff:7bd7:4d2d
123.215.77.46 0:0:0:0:0:ffff:7bd7:4d2e
123.215.77.47 0:0:0:0:0:ffff:7bd7:4d2f
123.215.77.48 0:0:0:0:0:ffff:7bd7:4d30
123.215.77.49 0:0:0:0:0:ffff:7bd7:4d31
123.215.77.50 0:0:0:0:0:ffff:7bd7:4d32
123.215.77.51 0:0:0:0:0:ffff:7bd7:4d33
123.215.77.52 0:0:0:0:0:ffff:7bd7:4d34
123.215.77.53 0:0:0:0:0:ffff:7bd7:4d35
123.215.77.54 0:0:0:0:0:ffff:7bd7:4d36
123.215.77.55 0:0:0:0:0:ffff:7bd7:4d37
123.215.77.56 0:0:0:0:0:ffff:7bd7:4d38
123.215.77.57 0:0:0:0:0:ffff:7bd7:4d39
123.215.77.58 0:0:0:0:0:ffff:7bd7:4d3a
123.215.77.59 0:0:0:0:0:ffff:7bd7:4d3b
123.215.77.60 0:0:0:0:0:ffff:7bd7:4d3c


123.215.77.61 0:0:0:0:0:ffff:7bd7:4d3d
123.215.77.62 0:0:0:0:0:ffff:7bd7:4d3e
123.215.77.63 0:0:0:0:0:ffff:7bd7:4d3f
123.215.77.64 0:0:0:0:0:ffff:7bd7:4d40
123.215.77.65 0:0:0:0:0:ffff:7bd7:4d41
123.215.77.66 0:0:0:0:0:ffff:7bd7:4d42
123.215.77.67 0:0:0:0:0:ffff:7bd7:4d43
123.215.77.68 0:0:0:0:0:ffff:7bd7:4d44
123.215.77.69 0:0:0:0:0:ffff:7bd7:4d45
123.215.77.70 0:0:0:0:0:ffff:7bd7:4d46
123.215.77.71 0:0:0:0:0:ffff:7bd7:4d47
123.215.77.72 0:0:0:0:0:ffff:7bd7:4d48
123.215.77.73 0:0:0:0:0:ffff:7bd7:4d49
123.215.77.74 0:0:0:0:0:ffff:7bd7:4d4a
123.215.77.75 0:0:0:0:0:ffff:7bd7:4d4b
123.215.77.76 0:0:0:0:0:ffff:7bd7:4d4c
123.215.77.77 0:0:0:0:0:ffff:7bd7:4d4d
123.215.77.78 0:0:0:0:0:ffff:7bd7:4d4e
123.215.77.79 0:0:0:0:0:ffff:7bd7:4d4f
123.215.77.80 0:0:0:0:0:ffff:7bd7:4d50
123.215.77.81 0:0:0:0:0:ffff:7bd7:4d51
123.215.77.82 0:0:0:0:0:ffff:7bd7:4d52
123.215.77.83 0:0:0:0:0:ffff:7bd7:4d53
123.215.77.84 0:0:0:0:0:ffff:7bd7:4d54
123.215.77.85 0:0:0:0:0:ffff:7bd7:4d55
123.215.77.86 0:0:0:0:0:ffff:7bd7:4d56
123.215.77.87 0:0:0:0:0:ffff:7bd7:4d57
123.215.77.88 0:0:0:0:0:ffff:7bd7:4d58
123.215.77.89 0:0:0:0:0:ffff:7bd7:4d59
123.215.77.90 0:0:0:0:0:ffff:7bd7:4d5a
123.215.77.91 0:0:0:0:0:ffff:7bd7:4d5b
123.215.77.92 0:0:0:0:0:ffff:7bd7:4d5c
123.215.77.93 0:0:0:0:0:ffff:7bd7:4d5d
123.215.77.94 0:0:0:0:0:ffff:7bd7:4d5e
123.215.77.95 0:0:0:0:0:ffff:7bd7:4d5f
123.215.77.96 0:0:0:0:0:ffff:7bd7:4d60
123.215.77.97 0:0:0:0:0:ffff:7bd7:4d61
123.215.77.98 0:0:0:0:0:ffff:7bd7:4d62
123.215.77.99 0:0:0:0:0:ffff:7bd7:4d63
123.215.77.100 0:0:0:0:0:ffff:7bd7:4d64
123.215.77.101 0:0:0:0:0:ffff:7bd7:4d65
123.215.77.102 0:0:0:0:0:ffff:7bd7:4d66
123.215.77.103 0:0:0:0:0:ffff:7bd7:4d67
123.215.77.104 0:0:0:0:0:ffff:7bd7:4d68
123.215.77.105 0:0:0:0:0:ffff:7bd7:4d69
123.215.77.106 0:0:0:0:0:ffff:7bd7:4d6a
123.215.77.107 0:0:0:0:0:ffff:7bd7:4d6b
123.215.77.108 0:0:0:0:0:ffff:7bd7:4d6c
123.215.77.109 0:0:0:0:0:ffff:7bd7:4d6d
123.215.77.110 0:0:0:0:0:ffff:7bd7:4d6e
123.215.77.111 0:0:0:0:0:ffff:7bd7:4d6f
123.215.77.112 0:0:0:0:0:ffff:7bd7:4d70
123.215.77.113 0:0:0:0:0:ffff:7bd7:4d71
123.215.77.114 0:0:0:0:0:ffff:7bd7:4d72
123.215.77.115 0:0:0:0:0:ffff:7bd7:4d73
123.215.77.116 0:0:0:0:0:ffff:7bd7:4d74
123.215.77.117 0:0:0:0:0:ffff:7bd7:4d75
123.215.77.118 0:0:0:0:0:ffff:7bd7:4d76
123.215.77.119 0:0:0:0:0:ffff:7bd7:4d77
123.215.77.120 0:0:0:0:0:ffff:7bd7:4d78


123.215.77.121 0:0:0:0:0:ffff:7bd7:4d79
123.215.77.122 0:0:0:0:0:ffff:7bd7:4d7a
123.215.77.123 0:0:0:0:0:ffff:7bd7:4d7b
123.215.77.124 0:0:0:0:0:ffff:7bd7:4d7c
123.215.77.125 0:0:0:0:0:ffff:7bd7:4d7d
123.215.77.126 0:0:0:0:0:ffff:7bd7:4d7e
123.215.77.127 0:0:0:0:0:ffff:7bd7:4d7f
123.215.77.128 0:0:0:0:0:ffff:7bd7:4d80
123.215.77.129 0:0:0:0:0:ffff:7bd7:4d81
123.215.77.130 0:0:0:0:0:ffff:7bd7:4d82
123.215.77.131 0:0:0:0:0:ffff:7bd7:4d83
123.215.77.132 0:0:0:0:0:ffff:7bd7:4d84
123.215.77.133 0:0:0:0:0:ffff:7bd7:4d85
123.215.77.134 0:0:0:0:0:ffff:7bd7:4d86
123.215.77.135 0:0:0:0:0:ffff:7bd7:4d87
123.215.77.136 0:0:0:0:0:ffff:7bd7:4d88
123.215.77.137 0:0:0:0:0:ffff:7bd7:4d89
123.215.77.138 0:0:0:0:0:ffff:7bd7:4d8a
123.215.77.139 0:0:0:0:0:ffff:7bd7:4d8b
123.215.77.140 0:0:0:0:0:ffff:7bd7:4d8c
123.215.77.141 0:0:0:0:0:ffff:7bd7:4d8d
123.215.77.142 0:0:0:0:0:ffff:7bd7:4d8e
123.215.77.143 0:0:0:0:0:ffff:7bd7:4d8f
123.215.77.144 0:0:0:0:0:ffff:7bd7:4d90
123.215.77.145 0:0:0:0:0:ffff:7bd7:4d91
123.215.77.146 0:0:0:0:0:ffff:7bd7:4d92
123.215.77.147 0:0:0:0:0:ffff:7bd7:4d93
123.215.77.148 0:0:0:0:0:ffff:7bd7:4d94
123.215.77.149 0:0:0:0:0:ffff:7bd7:4d95
123.215.77.150 0:0:0:0:0:ffff:7bd7:4d96
123.215.77.151 0:0:0:0:0:ffff:7bd7:4d97
123.215.77.152 0:0:0:0:0:ffff:7bd7:4d98
123.215.77.153 0:0:0:0:0:ffff:7bd7:4d99
123.215.77.154 0:0:0:0:0:ffff:7bd7:4d9a
123.215.77.155 0:0:0:0:0:ffff:7bd7:4d9b
123.215.77.156 0:0:0:0:0:ffff:7bd7:4d9c
123.215.77.157 0:0:0:0:0:ffff:7bd7:4d9d
123.215.77.158 0:0:0:0:0:ffff:7bd7:4d9e
123.215.77.159 0:0:0:0:0:ffff:7bd7:4d9f
123.215.77.160 0:0:0:0:0:ffff:7bd7:4da0
123.215.77.161 0:0:0:0:0:ffff:7bd7:4da1
123.215.77.162 0:0:0:0:0:ffff:7bd7:4da2
123.215.77.163 0:0:0:0:0:ffff:7bd7:4da3
123.215.77.164 0:0:0:0:0:ffff:7bd7:4da4
123.215.77.165 0:0:0:0:0:ffff:7bd7:4da5
123.215.77.166 0:0:0:0:0:ffff:7bd7:4da6
123.215.77.167 0:0:0:0:0:ffff:7bd7:4da7
123.215.77.168 0:0:0:0:0:ffff:7bd7:4da8
123.215.77.169 0:0:0:0:0:ffff:7bd7:4da9
123.215.77.170 0:0:0:0:0:ffff:7bd7:4daa
123.215.77.171 0:0:0:0:0:ffff:7bd7:4dab
123.215.77.172 0:0:0:0:0:ffff:7bd7:4dac
123.215.77.173 0:0:0:0:0:ffff:7bd7:4dad
123.215.77.174 0:0:0:0:0:ffff:7bd7:4dae
123.215.77.175 0:0:0:0:0:ffff:7bd7:4daf
123.215.77.176 0:0:0:0:0:ffff:7bd7:4db0
123.215.77.177 0:0:0:0:0:ffff:7bd7:4db1
123.215.77.178 0:0:0:0:0:ffff:7bd7:4db2
123.215.77.179 0:0:0:0:0:ffff:7bd7:4db3
123.215.77.180 0:0:0:0:0:ffff:7bd7:4db4


123.215.77.181 0:0:0:0:0:ffff:7bd7:4db5
123.215.77.182 0:0:0:0:0:ffff:7bd7:4db6
123.215.77.183 0:0:0:0:0:ffff:7bd7:4db7
123.215.77.184 0:0:0:0:0:ffff:7bd7:4db8
123.215.77.185 0:0:0:0:0:ffff:7bd7:4db9
123.215.77.186 0:0:0:0:0:ffff:7bd7:4dba
123.215.77.187 0:0:0:0:0:ffff:7bd7:4dbb
123.215.77.188 0:0:0:0:0:ffff:7bd7:4dbc
123.215.77.189 0:0:0:0:0:ffff:7bd7:4dbd
123.215.77.190 0:0:0:0:0:ffff:7bd7:4dbe
123.215.77.191 0:0:0:0:0:ffff:7bd7:4dbf
123.215.77.192 0:0:0:0:0:ffff:7bd7:4dc0
123.215.77.193 0:0:0:0:0:ffff:7bd7:4dc1
123.215.77.194 0:0:0:0:0:ffff:7bd7:4dc2
123.215.77.195 0:0:0:0:0:ffff:7bd7:4dc3
123.215.77.196 0:0:0:0:0:ffff:7bd7:4dc4
123.215.77.197 0:0:0:0:0:ffff:7bd7:4dc5
123.215.77.198 0:0:0:0:0:ffff:7bd7:4dc6
123.215.77.199 0:0:0:0:0:ffff:7bd7:4dc7
123.215.77.200 0:0:0:0:0:ffff:7bd7:4dc8
123.215.77.201 0:0:0:0:0:ffff:7bd7:4dc9
123.215.77.202 0:0:0:0:0:ffff:7bd7:4dca
123.215.77.203 0:0:0:0:0:ffff:7bd7:4dcb
123.215.77.204 0:0:0:0:0:ffff:7bd7:4dcc
123.215.77.205 0:0:0:0:0:ffff:7bd7:4dcd
123.215.77.206 0:0:0:0:0:ffff:7bd7:4dce
123.215.77.207 0:0:0:0:0:ffff:7bd7:4dcf
123.215.77.208 0:0:0:0:0:ffff:7bd7:4dd0
123.215.77.209 0:0:0:0:0:ffff:7bd7:4dd1
123.215.77.210 0:0:0:0:0:ffff:7bd7:4dd2
123.215.77.211 0:0:0:0:0:ffff:7bd7:4dd3
123.215.77.212 0:0:0:0:0:ffff:7bd7:4dd4
123.215.77.213 0:0:0:0:0:ffff:7bd7:4dd5
123.215.77.214 0:0:0:0:0:ffff:7bd7:4dd6
123.215.77.215 0:0:0:0:0:ffff:7bd7:4dd7
123.215.77.216 0:0:0:0:0:ffff:7bd7:4dd8
123.215.77.217 0:0:0:0:0:ffff:7bd7:4dd9
123.215.77.218 0:0:0:0:0:ffff:7bd7:4dda
123.215.77.219 0:0:0:0:0:ffff:7bd7:4ddb
123.215.77.220 0:0:0:0:0:ffff:7bd7:4ddc
123.215.77.221 0:0:0:0:0:ffff:7bd7:4ddd
123.215.77.222 0:0:0:0:0:ffff:7bd7:4dde
123.215.77.223 0:0:0:0:0:ffff:7bd7:4ddf
123.215.77.224 0:0:0:0:0:ffff:7bd7:4de0
123.215.77.225 0:0:0:0:0:ffff:7bd7:4de1
123.215.77.226 0:0:0:0:0:ffff:7bd7:4de2
123.215.77.227 0:0:0:0:0:ffff:7bd7:4de3
123.215.77.228 0:0:0:0:0:ffff:7bd7:4de4
123.215.77.229 0:0:0:0:0:ffff:7bd7:4de5
123.215.77.230 0:0:0:0:0:ffff:7bd7:4de6
123.215.77.231 0:0:0:0:0:ffff:7bd7:4de7
123.215.77.232 0:0:0:0:0:ffff:7bd7:4de8
123.215.77.233 0:0:0:0:0:ffff:7bd7:4de9
123.215.77.234 0:0:0:0:0:ffff:7bd7:4dea
123.215.77.235 0:0:0:0:0:ffff:7bd7:4deb
123.215.77.236 0:0:0:0:0:ffff:7bd7:4dec
123.215.77.237 0:0:0:0:0:ffff:7bd7:4ded
123.215.77.238 0:0:0:0:0:ffff:7bd7:4dee
123.215.77.239 0:0:0:0:0:ffff:7bd7:4def
123.215.77.240 0:0:0:0:0:ffff:7bd7:4df0
123.215.77.241 0:0:0:0:0:ffff:7bd7:4df1
123.215.77.242 0:0:0:0:0:ffff:7bd7:4df2
123.215.77.243 0:0:0:0:0:ffff:7bd7:4df3
123.215.77.244 0:0:0:0:0:ffff:7bd7:4df4
123.215.77.245 0:0:0:0:0:ffff:7bd7:4df5
123.215.77.246 0:0:0:0:0:ffff:7bd7:4df6
123.215.77.247 0:0:0:0:0:ffff:7bd7:4df7
123.215.77.248 0:0:0:0:0:ffff:7bd7:4df8
123.215.77.249 0:0:0:0:0:ffff:7bd7:4df9
123.215.77.250 0:0:0:0:0:ffff:7bd7:4dfa
123.215.77.251 0:0:0:0:0:ffff:7bd7:4dfb
123.215.77.252 0:0:0:0:0:ffff:7bd7:4dfc
123.215.77.253 0:0:0:0:0:ffff:7bd7:4dfd
123.215.77.254 0:0:0:0:0:ffff:7bd7:4dfe
123.215.77.255 0:0:0:0:0:ffff:7bd7:4dff


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.