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
91.47.123.1 0:0:0:0:0:ffff:5b2f:7b01
91.47.123.2 0:0:0:0:0:ffff:5b2f:7b02
91.47.123.3 0:0:0:0:0:ffff:5b2f:7b03
91.47.123.4 0:0:0:0:0:ffff:5b2f:7b04
91.47.123.5 0:0:0:0:0:ffff:5b2f:7b05
91.47.123.6 0:0:0:0:0:ffff:5b2f:7b06
91.47.123.7 0:0:0:0:0:ffff:5b2f:7b07
91.47.123.8 0:0:0:0:0:ffff:5b2f:7b08
91.47.123.9 0:0:0:0:0:ffff:5b2f:7b09
91.47.123.10 0:0:0:0:0:ffff:5b2f:7b0a
91.47.123.11 0:0:0:0:0:ffff:5b2f:7b0b
91.47.123.12 0:0:0:0:0:ffff:5b2f:7b0c
91.47.123.13 0:0:0:0:0:ffff:5b2f:7b0d
91.47.123.14 0:0:0:0:0:ffff:5b2f:7b0e
91.47.123.15 0:0:0:0:0:ffff:5b2f:7b0f
91.47.123.16 0:0:0:0:0:ffff:5b2f:7b10
91.47.123.17 0:0:0:0:0:ffff:5b2f:7b11
91.47.123.18 0:0:0:0:0:ffff:5b2f:7b12
91.47.123.19 0:0:0:0:0:ffff:5b2f:7b13
91.47.123.20 0:0:0:0:0:ffff:5b2f:7b14
91.47.123.21 0:0:0:0:0:ffff:5b2f:7b15
91.47.123.22 0:0:0:0:0:ffff:5b2f:7b16
91.47.123.23 0:0:0:0:0:ffff:5b2f:7b17
91.47.123.24 0:0:0:0:0:ffff:5b2f:7b18
91.47.123.25 0:0:0:0:0:ffff:5b2f:7b19
91.47.123.26 0:0:0:0:0:ffff:5b2f:7b1a
91.47.123.27 0:0:0:0:0:ffff:5b2f:7b1b
91.47.123.28 0:0:0:0:0:ffff:5b2f:7b1c
91.47.123.29 0:0:0:0:0:ffff:5b2f:7b1d
91.47.123.30 0:0:0:0:0:ffff:5b2f:7b1e
91.47.123.31 0:0:0:0:0:ffff:5b2f:7b1f
91.47.123.32 0:0:0:0:0:ffff:5b2f:7b20
91.47.123.33 0:0:0:0:0:ffff:5b2f:7b21
91.47.123.34 0:0:0:0:0:ffff:5b2f:7b22
91.47.123.35 0:0:0:0:0:ffff:5b2f:7b23
91.47.123.36 0:0:0:0:0:ffff:5b2f:7b24
91.47.123.37 0:0:0:0:0:ffff:5b2f:7b25
91.47.123.38 0:0:0:0:0:ffff:5b2f:7b26
91.47.123.39 0:0:0:0:0:ffff:5b2f:7b27
91.47.123.40 0:0:0:0:0:ffff:5b2f:7b28
91.47.123.41 0:0:0:0:0:ffff:5b2f:7b29
91.47.123.42 0:0:0:0:0:ffff:5b2f:7b2a
91.47.123.43 0:0:0:0:0:ffff:5b2f:7b2b
91.47.123.44 0:0:0:0:0:ffff:5b2f:7b2c
91.47.123.45 0:0:0:0:0:ffff:5b2f:7b2d
91.47.123.46 0:0:0:0:0:ffff:5b2f:7b2e
91.47.123.47 0:0:0:0:0:ffff:5b2f:7b2f
91.47.123.48 0:0:0:0:0:ffff:5b2f:7b30
91.47.123.49 0:0:0:0:0:ffff:5b2f:7b31
91.47.123.50 0:0:0:0:0:ffff:5b2f:7b32
91.47.123.51 0:0:0:0:0:ffff:5b2f:7b33
91.47.123.52 0:0:0:0:0:ffff:5b2f:7b34
91.47.123.53 0:0:0:0:0:ffff:5b2f:7b35
91.47.123.54 0:0:0:0:0:ffff:5b2f:7b36
91.47.123.55 0:0:0:0:0:ffff:5b2f:7b37
91.47.123.56 0:0:0:0:0:ffff:5b2f:7b38
91.47.123.57 0:0:0:0:0:ffff:5b2f:7b39
91.47.123.58 0:0:0:0:0:ffff:5b2f:7b3a
91.47.123.59 0:0:0:0:0:ffff:5b2f:7b3b
91.47.123.60 0:0:0:0:0:ffff:5b2f:7b3c


91.47.123.61 0:0:0:0:0:ffff:5b2f:7b3d
91.47.123.62 0:0:0:0:0:ffff:5b2f:7b3e
91.47.123.63 0:0:0:0:0:ffff:5b2f:7b3f
91.47.123.64 0:0:0:0:0:ffff:5b2f:7b40
91.47.123.65 0:0:0:0:0:ffff:5b2f:7b41
91.47.123.66 0:0:0:0:0:ffff:5b2f:7b42
91.47.123.67 0:0:0:0:0:ffff:5b2f:7b43
91.47.123.68 0:0:0:0:0:ffff:5b2f:7b44
91.47.123.69 0:0:0:0:0:ffff:5b2f:7b45
91.47.123.70 0:0:0:0:0:ffff:5b2f:7b46
91.47.123.71 0:0:0:0:0:ffff:5b2f:7b47
91.47.123.72 0:0:0:0:0:ffff:5b2f:7b48
91.47.123.73 0:0:0:0:0:ffff:5b2f:7b49
91.47.123.74 0:0:0:0:0:ffff:5b2f:7b4a
91.47.123.75 0:0:0:0:0:ffff:5b2f:7b4b
91.47.123.76 0:0:0:0:0:ffff:5b2f:7b4c
91.47.123.77 0:0:0:0:0:ffff:5b2f:7b4d
91.47.123.78 0:0:0:0:0:ffff:5b2f:7b4e
91.47.123.79 0:0:0:0:0:ffff:5b2f:7b4f
91.47.123.80 0:0:0:0:0:ffff:5b2f:7b50
91.47.123.81 0:0:0:0:0:ffff:5b2f:7b51
91.47.123.82 0:0:0:0:0:ffff:5b2f:7b52
91.47.123.83 0:0:0:0:0:ffff:5b2f:7b53
91.47.123.84 0:0:0:0:0:ffff:5b2f:7b54
91.47.123.85 0:0:0:0:0:ffff:5b2f:7b55
91.47.123.86 0:0:0:0:0:ffff:5b2f:7b56
91.47.123.87 0:0:0:0:0:ffff:5b2f:7b57
91.47.123.88 0:0:0:0:0:ffff:5b2f:7b58
91.47.123.89 0:0:0:0:0:ffff:5b2f:7b59
91.47.123.90 0:0:0:0:0:ffff:5b2f:7b5a
91.47.123.91 0:0:0:0:0:ffff:5b2f:7b5b
91.47.123.92 0:0:0:0:0:ffff:5b2f:7b5c
91.47.123.93 0:0:0:0:0:ffff:5b2f:7b5d
91.47.123.94 0:0:0:0:0:ffff:5b2f:7b5e
91.47.123.95 0:0:0:0:0:ffff:5b2f:7b5f
91.47.123.96 0:0:0:0:0:ffff:5b2f:7b60
91.47.123.97 0:0:0:0:0:ffff:5b2f:7b61
91.47.123.98 0:0:0:0:0:ffff:5b2f:7b62
91.47.123.99 0:0:0:0:0:ffff:5b2f:7b63
91.47.123.100 0:0:0:0:0:ffff:5b2f:7b64
91.47.123.101 0:0:0:0:0:ffff:5b2f:7b65
91.47.123.102 0:0:0:0:0:ffff:5b2f:7b66
91.47.123.103 0:0:0:0:0:ffff:5b2f:7b67
91.47.123.104 0:0:0:0:0:ffff:5b2f:7b68
91.47.123.105 0:0:0:0:0:ffff:5b2f:7b69
91.47.123.106 0:0:0:0:0:ffff:5b2f:7b6a
91.47.123.107 0:0:0:0:0:ffff:5b2f:7b6b
91.47.123.108 0:0:0:0:0:ffff:5b2f:7b6c
91.47.123.109 0:0:0:0:0:ffff:5b2f:7b6d
91.47.123.110 0:0:0:0:0:ffff:5b2f:7b6e
91.47.123.111 0:0:0:0:0:ffff:5b2f:7b6f
91.47.123.112 0:0:0:0:0:ffff:5b2f:7b70
91.47.123.113 0:0:0:0:0:ffff:5b2f:7b71
91.47.123.114 0:0:0:0:0:ffff:5b2f:7b72
91.47.123.115 0:0:0:0:0:ffff:5b2f:7b73
91.47.123.116 0:0:0:0:0:ffff:5b2f:7b74
91.47.123.117 0:0:0:0:0:ffff:5b2f:7b75
91.47.123.118 0:0:0:0:0:ffff:5b2f:7b76
91.47.123.119 0:0:0:0:0:ffff:5b2f:7b77
91.47.123.120 0:0:0:0:0:ffff:5b2f:7b78


91.47.123.121 0:0:0:0:0:ffff:5b2f:7b79
91.47.123.122 0:0:0:0:0:ffff:5b2f:7b7a
91.47.123.123 0:0:0:0:0:ffff:5b2f:7b7b
91.47.123.124 0:0:0:0:0:ffff:5b2f:7b7c
91.47.123.125 0:0:0:0:0:ffff:5b2f:7b7d
91.47.123.126 0:0:0:0:0:ffff:5b2f:7b7e
91.47.123.127 0:0:0:0:0:ffff:5b2f:7b7f
91.47.123.128 0:0:0:0:0:ffff:5b2f:7b80
91.47.123.129 0:0:0:0:0:ffff:5b2f:7b81
91.47.123.130 0:0:0:0:0:ffff:5b2f:7b82
91.47.123.131 0:0:0:0:0:ffff:5b2f:7b83
91.47.123.132 0:0:0:0:0:ffff:5b2f:7b84
91.47.123.133 0:0:0:0:0:ffff:5b2f:7b85
91.47.123.134 0:0:0:0:0:ffff:5b2f:7b86
91.47.123.135 0:0:0:0:0:ffff:5b2f:7b87
91.47.123.136 0:0:0:0:0:ffff:5b2f:7b88
91.47.123.137 0:0:0:0:0:ffff:5b2f:7b89
91.47.123.138 0:0:0:0:0:ffff:5b2f:7b8a
91.47.123.139 0:0:0:0:0:ffff:5b2f:7b8b
91.47.123.140 0:0:0:0:0:ffff:5b2f:7b8c
91.47.123.141 0:0:0:0:0:ffff:5b2f:7b8d
91.47.123.142 0:0:0:0:0:ffff:5b2f:7b8e
91.47.123.143 0:0:0:0:0:ffff:5b2f:7b8f
91.47.123.144 0:0:0:0:0:ffff:5b2f:7b90
91.47.123.145 0:0:0:0:0:ffff:5b2f:7b91
91.47.123.146 0:0:0:0:0:ffff:5b2f:7b92
91.47.123.147 0:0:0:0:0:ffff:5b2f:7b93
91.47.123.148 0:0:0:0:0:ffff:5b2f:7b94
91.47.123.149 0:0:0:0:0:ffff:5b2f:7b95
91.47.123.150 0:0:0:0:0:ffff:5b2f:7b96
91.47.123.151 0:0:0:0:0:ffff:5b2f:7b97
91.47.123.152 0:0:0:0:0:ffff:5b2f:7b98
91.47.123.153 0:0:0:0:0:ffff:5b2f:7b99
91.47.123.154 0:0:0:0:0:ffff:5b2f:7b9a
91.47.123.155 0:0:0:0:0:ffff:5b2f:7b9b
91.47.123.156 0:0:0:0:0:ffff:5b2f:7b9c
91.47.123.157 0:0:0:0:0:ffff:5b2f:7b9d
91.47.123.158 0:0:0:0:0:ffff:5b2f:7b9e
91.47.123.159 0:0:0:0:0:ffff:5b2f:7b9f
91.47.123.160 0:0:0:0:0:ffff:5b2f:7ba0
91.47.123.161 0:0:0:0:0:ffff:5b2f:7ba1
91.47.123.162 0:0:0:0:0:ffff:5b2f:7ba2
91.47.123.163 0:0:0:0:0:ffff:5b2f:7ba3
91.47.123.164 0:0:0:0:0:ffff:5b2f:7ba4
91.47.123.165 0:0:0:0:0:ffff:5b2f:7ba5
91.47.123.166 0:0:0:0:0:ffff:5b2f:7ba6
91.47.123.167 0:0:0:0:0:ffff:5b2f:7ba7
91.47.123.168 0:0:0:0:0:ffff:5b2f:7ba8
91.47.123.169 0:0:0:0:0:ffff:5b2f:7ba9
91.47.123.170 0:0:0:0:0:ffff:5b2f:7baa
91.47.123.171 0:0:0:0:0:ffff:5b2f:7bab
91.47.123.172 0:0:0:0:0:ffff:5b2f:7bac
91.47.123.173 0:0:0:0:0:ffff:5b2f:7bad
91.47.123.174 0:0:0:0:0:ffff:5b2f:7bae
91.47.123.175 0:0:0:0:0:ffff:5b2f:7baf
91.47.123.176 0:0:0:0:0:ffff:5b2f:7bb0
91.47.123.177 0:0:0:0:0:ffff:5b2f:7bb1
91.47.123.178 0:0:0:0:0:ffff:5b2f:7bb2
91.47.123.179 0:0:0:0:0:ffff:5b2f:7bb3
91.47.123.180 0:0:0:0:0:ffff:5b2f:7bb4


91.47.123.181 0:0:0:0:0:ffff:5b2f:7bb5
91.47.123.182 0:0:0:0:0:ffff:5b2f:7bb6
91.47.123.183 0:0:0:0:0:ffff:5b2f:7bb7
91.47.123.184 0:0:0:0:0:ffff:5b2f:7bb8
91.47.123.185 0:0:0:0:0:ffff:5b2f:7bb9
91.47.123.186 0:0:0:0:0:ffff:5b2f:7bba
91.47.123.187 0:0:0:0:0:ffff:5b2f:7bbb
91.47.123.188 0:0:0:0:0:ffff:5b2f:7bbc
91.47.123.189 0:0:0:0:0:ffff:5b2f:7bbd
91.47.123.190 0:0:0:0:0:ffff:5b2f:7bbe
91.47.123.191 0:0:0:0:0:ffff:5b2f:7bbf
91.47.123.192 0:0:0:0:0:ffff:5b2f:7bc0
91.47.123.193 0:0:0:0:0:ffff:5b2f:7bc1
91.47.123.194 0:0:0:0:0:ffff:5b2f:7bc2
91.47.123.195 0:0:0:0:0:ffff:5b2f:7bc3
91.47.123.196 0:0:0:0:0:ffff:5b2f:7bc4
91.47.123.197 0:0:0:0:0:ffff:5b2f:7bc5
91.47.123.198 0:0:0:0:0:ffff:5b2f:7bc6
91.47.123.199 0:0:0:0:0:ffff:5b2f:7bc7
91.47.123.200 0:0:0:0:0:ffff:5b2f:7bc8
91.47.123.201 0:0:0:0:0:ffff:5b2f:7bc9
91.47.123.202 0:0:0:0:0:ffff:5b2f:7bca
91.47.123.203 0:0:0:0:0:ffff:5b2f:7bcb
91.47.123.204 0:0:0:0:0:ffff:5b2f:7bcc
91.47.123.205 0:0:0:0:0:ffff:5b2f:7bcd
91.47.123.206 0:0:0:0:0:ffff:5b2f:7bce
91.47.123.207 0:0:0:0:0:ffff:5b2f:7bcf
91.47.123.208 0:0:0:0:0:ffff:5b2f:7bd0
91.47.123.209 0:0:0:0:0:ffff:5b2f:7bd1
91.47.123.210 0:0:0:0:0:ffff:5b2f:7bd2
91.47.123.211 0:0:0:0:0:ffff:5b2f:7bd3
91.47.123.212 0:0:0:0:0:ffff:5b2f:7bd4
91.47.123.213 0:0:0:0:0:ffff:5b2f:7bd5
91.47.123.214 0:0:0:0:0:ffff:5b2f:7bd6
91.47.123.215 0:0:0:0:0:ffff:5b2f:7bd7
91.47.123.216 0:0:0:0:0:ffff:5b2f:7bd8
91.47.123.217 0:0:0:0:0:ffff:5b2f:7bd9
91.47.123.218 0:0:0:0:0:ffff:5b2f:7bda
91.47.123.219 0:0:0:0:0:ffff:5b2f:7bdb
91.47.123.220 0:0:0:0:0:ffff:5b2f:7bdc
91.47.123.221 0:0:0:0:0:ffff:5b2f:7bdd
91.47.123.222 0:0:0:0:0:ffff:5b2f:7bde
91.47.123.223 0:0:0:0:0:ffff:5b2f:7bdf
91.47.123.224 0:0:0:0:0:ffff:5b2f:7be0
91.47.123.225 0:0:0:0:0:ffff:5b2f:7be1
91.47.123.226 0:0:0:0:0:ffff:5b2f:7be2
91.47.123.227 0:0:0:0:0:ffff:5b2f:7be3
91.47.123.228 0:0:0:0:0:ffff:5b2f:7be4
91.47.123.229 0:0:0:0:0:ffff:5b2f:7be5
91.47.123.230 0:0:0:0:0:ffff:5b2f:7be6
91.47.123.231 0:0:0:0:0:ffff:5b2f:7be7
91.47.123.232 0:0:0:0:0:ffff:5b2f:7be8
91.47.123.233 0:0:0:0:0:ffff:5b2f:7be9
91.47.123.234 0:0:0:0:0:ffff:5b2f:7bea
91.47.123.235 0:0:0:0:0:ffff:5b2f:7beb
91.47.123.236 0:0:0:0:0:ffff:5b2f:7bec
91.47.123.237 0:0:0:0:0:ffff:5b2f:7bed
91.47.123.238 0:0:0:0:0:ffff:5b2f:7bee
91.47.123.239 0:0:0:0:0:ffff:5b2f:7bef
91.47.123.240 0:0:0:0:0:ffff:5b2f:7bf0
91.47.123.241 0:0:0:0:0:ffff:5b2f:7bf1
91.47.123.242 0:0:0:0:0:ffff:5b2f:7bf2
91.47.123.243 0:0:0:0:0:ffff:5b2f:7bf3
91.47.123.244 0:0:0:0:0:ffff:5b2f:7bf4
91.47.123.245 0:0:0:0:0:ffff:5b2f:7bf5
91.47.123.246 0:0:0:0:0:ffff:5b2f:7bf6
91.47.123.247 0:0:0:0:0:ffff:5b2f:7bf7
91.47.123.248 0:0:0:0:0:ffff:5b2f:7bf8
91.47.123.249 0:0:0:0:0:ffff:5b2f:7bf9
91.47.123.250 0:0:0:0:0:ffff:5b2f:7bfa
91.47.123.251 0:0:0:0:0:ffff:5b2f:7bfb
91.47.123.252 0:0:0:0:0:ffff:5b2f:7bfc
91.47.123.253 0:0:0:0:0:ffff:5b2f:7bfd
91.47.123.254 0:0:0:0:0:ffff:5b2f:7bfe
91.47.123.255 0:0:0:0:0:ffff:5b2f:7bff


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.