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
1.136.123.1 0:0:0:0:0:ffff:188:7b01
1.136.123.2 0:0:0:0:0:ffff:188:7b02
1.136.123.3 0:0:0:0:0:ffff:188:7b03
1.136.123.4 0:0:0:0:0:ffff:188:7b04
1.136.123.5 0:0:0:0:0:ffff:188:7b05
1.136.123.6 0:0:0:0:0:ffff:188:7b06
1.136.123.7 0:0:0:0:0:ffff:188:7b07
1.136.123.8 0:0:0:0:0:ffff:188:7b08
1.136.123.9 0:0:0:0:0:ffff:188:7b09
1.136.123.10 0:0:0:0:0:ffff:188:7b0a
1.136.123.11 0:0:0:0:0:ffff:188:7b0b
1.136.123.12 0:0:0:0:0:ffff:188:7b0c
1.136.123.13 0:0:0:0:0:ffff:188:7b0d
1.136.123.14 0:0:0:0:0:ffff:188:7b0e
1.136.123.15 0:0:0:0:0:ffff:188:7b0f
1.136.123.16 0:0:0:0:0:ffff:188:7b10
1.136.123.17 0:0:0:0:0:ffff:188:7b11
1.136.123.18 0:0:0:0:0:ffff:188:7b12
1.136.123.19 0:0:0:0:0:ffff:188:7b13
1.136.123.20 0:0:0:0:0:ffff:188:7b14
1.136.123.21 0:0:0:0:0:ffff:188:7b15
1.136.123.22 0:0:0:0:0:ffff:188:7b16
1.136.123.23 0:0:0:0:0:ffff:188:7b17
1.136.123.24 0:0:0:0:0:ffff:188:7b18
1.136.123.25 0:0:0:0:0:ffff:188:7b19
1.136.123.26 0:0:0:0:0:ffff:188:7b1a
1.136.123.27 0:0:0:0:0:ffff:188:7b1b
1.136.123.28 0:0:0:0:0:ffff:188:7b1c
1.136.123.29 0:0:0:0:0:ffff:188:7b1d
1.136.123.30 0:0:0:0:0:ffff:188:7b1e
1.136.123.31 0:0:0:0:0:ffff:188:7b1f
1.136.123.32 0:0:0:0:0:ffff:188:7b20
1.136.123.33 0:0:0:0:0:ffff:188:7b21
1.136.123.34 0:0:0:0:0:ffff:188:7b22
1.136.123.35 0:0:0:0:0:ffff:188:7b23
1.136.123.36 0:0:0:0:0:ffff:188:7b24
1.136.123.37 0:0:0:0:0:ffff:188:7b25
1.136.123.38 0:0:0:0:0:ffff:188:7b26
1.136.123.39 0:0:0:0:0:ffff:188:7b27
1.136.123.40 0:0:0:0:0:ffff:188:7b28
1.136.123.41 0:0:0:0:0:ffff:188:7b29
1.136.123.42 0:0:0:0:0:ffff:188:7b2a
1.136.123.43 0:0:0:0:0:ffff:188:7b2b
1.136.123.44 0:0:0:0:0:ffff:188:7b2c
1.136.123.45 0:0:0:0:0:ffff:188:7b2d
1.136.123.46 0:0:0:0:0:ffff:188:7b2e
1.136.123.47 0:0:0:0:0:ffff:188:7b2f
1.136.123.48 0:0:0:0:0:ffff:188:7b30
1.136.123.49 0:0:0:0:0:ffff:188:7b31
1.136.123.50 0:0:0:0:0:ffff:188:7b32
1.136.123.51 0:0:0:0:0:ffff:188:7b33
1.136.123.52 0:0:0:0:0:ffff:188:7b34
1.136.123.53 0:0:0:0:0:ffff:188:7b35
1.136.123.54 0:0:0:0:0:ffff:188:7b36
1.136.123.55 0:0:0:0:0:ffff:188:7b37
1.136.123.56 0:0:0:0:0:ffff:188:7b38
1.136.123.57 0:0:0:0:0:ffff:188:7b39
1.136.123.58 0:0:0:0:0:ffff:188:7b3a
1.136.123.59 0:0:0:0:0:ffff:188:7b3b
1.136.123.60 0:0:0:0:0:ffff:188:7b3c


1.136.123.61 0:0:0:0:0:ffff:188:7b3d
1.136.123.62 0:0:0:0:0:ffff:188:7b3e
1.136.123.63 0:0:0:0:0:ffff:188:7b3f
1.136.123.64 0:0:0:0:0:ffff:188:7b40
1.136.123.65 0:0:0:0:0:ffff:188:7b41
1.136.123.66 0:0:0:0:0:ffff:188:7b42
1.136.123.67 0:0:0:0:0:ffff:188:7b43
1.136.123.68 0:0:0:0:0:ffff:188:7b44
1.136.123.69 0:0:0:0:0:ffff:188:7b45
1.136.123.70 0:0:0:0:0:ffff:188:7b46
1.136.123.71 0:0:0:0:0:ffff:188:7b47
1.136.123.72 0:0:0:0:0:ffff:188:7b48
1.136.123.73 0:0:0:0:0:ffff:188:7b49
1.136.123.74 0:0:0:0:0:ffff:188:7b4a
1.136.123.75 0:0:0:0:0:ffff:188:7b4b
1.136.123.76 0:0:0:0:0:ffff:188:7b4c
1.136.123.77 0:0:0:0:0:ffff:188:7b4d
1.136.123.78 0:0:0:0:0:ffff:188:7b4e
1.136.123.79 0:0:0:0:0:ffff:188:7b4f
1.136.123.80 0:0:0:0:0:ffff:188:7b50
1.136.123.81 0:0:0:0:0:ffff:188:7b51
1.136.123.82 0:0:0:0:0:ffff:188:7b52
1.136.123.83 0:0:0:0:0:ffff:188:7b53
1.136.123.84 0:0:0:0:0:ffff:188:7b54
1.136.123.85 0:0:0:0:0:ffff:188:7b55
1.136.123.86 0:0:0:0:0:ffff:188:7b56
1.136.123.87 0:0:0:0:0:ffff:188:7b57
1.136.123.88 0:0:0:0:0:ffff:188:7b58
1.136.123.89 0:0:0:0:0:ffff:188:7b59
1.136.123.90 0:0:0:0:0:ffff:188:7b5a
1.136.123.91 0:0:0:0:0:ffff:188:7b5b
1.136.123.92 0:0:0:0:0:ffff:188:7b5c
1.136.123.93 0:0:0:0:0:ffff:188:7b5d
1.136.123.94 0:0:0:0:0:ffff:188:7b5e
1.136.123.95 0:0:0:0:0:ffff:188:7b5f
1.136.123.96 0:0:0:0:0:ffff:188:7b60
1.136.123.97 0:0:0:0:0:ffff:188:7b61
1.136.123.98 0:0:0:0:0:ffff:188:7b62
1.136.123.99 0:0:0:0:0:ffff:188:7b63
1.136.123.100 0:0:0:0:0:ffff:188:7b64
1.136.123.101 0:0:0:0:0:ffff:188:7b65
1.136.123.102 0:0:0:0:0:ffff:188:7b66
1.136.123.103 0:0:0:0:0:ffff:188:7b67
1.136.123.104 0:0:0:0:0:ffff:188:7b68
1.136.123.105 0:0:0:0:0:ffff:188:7b69
1.136.123.106 0:0:0:0:0:ffff:188:7b6a
1.136.123.107 0:0:0:0:0:ffff:188:7b6b
1.136.123.108 0:0:0:0:0:ffff:188:7b6c
1.136.123.109 0:0:0:0:0:ffff:188:7b6d
1.136.123.110 0:0:0:0:0:ffff:188:7b6e
1.136.123.111 0:0:0:0:0:ffff:188:7b6f
1.136.123.112 0:0:0:0:0:ffff:188:7b70
1.136.123.113 0:0:0:0:0:ffff:188:7b71
1.136.123.114 0:0:0:0:0:ffff:188:7b72
1.136.123.115 0:0:0:0:0:ffff:188:7b73
1.136.123.116 0:0:0:0:0:ffff:188:7b74
1.136.123.117 0:0:0:0:0:ffff:188:7b75
1.136.123.118 0:0:0:0:0:ffff:188:7b76
1.136.123.119 0:0:0:0:0:ffff:188:7b77
1.136.123.120 0:0:0:0:0:ffff:188:7b78


1.136.123.121 0:0:0:0:0:ffff:188:7b79
1.136.123.122 0:0:0:0:0:ffff:188:7b7a
1.136.123.123 0:0:0:0:0:ffff:188:7b7b
1.136.123.124 0:0:0:0:0:ffff:188:7b7c
1.136.123.125 0:0:0:0:0:ffff:188:7b7d
1.136.123.126 0:0:0:0:0:ffff:188:7b7e
1.136.123.127 0:0:0:0:0:ffff:188:7b7f
1.136.123.128 0:0:0:0:0:ffff:188:7b80
1.136.123.129 0:0:0:0:0:ffff:188:7b81
1.136.123.130 0:0:0:0:0:ffff:188:7b82
1.136.123.131 0:0:0:0:0:ffff:188:7b83
1.136.123.132 0:0:0:0:0:ffff:188:7b84
1.136.123.133 0:0:0:0:0:ffff:188:7b85
1.136.123.134 0:0:0:0:0:ffff:188:7b86
1.136.123.135 0:0:0:0:0:ffff:188:7b87
1.136.123.136 0:0:0:0:0:ffff:188:7b88
1.136.123.137 0:0:0:0:0:ffff:188:7b89
1.136.123.138 0:0:0:0:0:ffff:188:7b8a
1.136.123.139 0:0:0:0:0:ffff:188:7b8b
1.136.123.140 0:0:0:0:0:ffff:188:7b8c
1.136.123.141 0:0:0:0:0:ffff:188:7b8d
1.136.123.142 0:0:0:0:0:ffff:188:7b8e
1.136.123.143 0:0:0:0:0:ffff:188:7b8f
1.136.123.144 0:0:0:0:0:ffff:188:7b90
1.136.123.145 0:0:0:0:0:ffff:188:7b91
1.136.123.146 0:0:0:0:0:ffff:188:7b92
1.136.123.147 0:0:0:0:0:ffff:188:7b93
1.136.123.148 0:0:0:0:0:ffff:188:7b94
1.136.123.149 0:0:0:0:0:ffff:188:7b95
1.136.123.150 0:0:0:0:0:ffff:188:7b96
1.136.123.151 0:0:0:0:0:ffff:188:7b97
1.136.123.152 0:0:0:0:0:ffff:188:7b98
1.136.123.153 0:0:0:0:0:ffff:188:7b99
1.136.123.154 0:0:0:0:0:ffff:188:7b9a
1.136.123.155 0:0:0:0:0:ffff:188:7b9b
1.136.123.156 0:0:0:0:0:ffff:188:7b9c
1.136.123.157 0:0:0:0:0:ffff:188:7b9d
1.136.123.158 0:0:0:0:0:ffff:188:7b9e
1.136.123.159 0:0:0:0:0:ffff:188:7b9f
1.136.123.160 0:0:0:0:0:ffff:188:7ba0
1.136.123.161 0:0:0:0:0:ffff:188:7ba1
1.136.123.162 0:0:0:0:0:ffff:188:7ba2
1.136.123.163 0:0:0:0:0:ffff:188:7ba3
1.136.123.164 0:0:0:0:0:ffff:188:7ba4
1.136.123.165 0:0:0:0:0:ffff:188:7ba5
1.136.123.166 0:0:0:0:0:ffff:188:7ba6
1.136.123.167 0:0:0:0:0:ffff:188:7ba7
1.136.123.168 0:0:0:0:0:ffff:188:7ba8
1.136.123.169 0:0:0:0:0:ffff:188:7ba9
1.136.123.170 0:0:0:0:0:ffff:188:7baa
1.136.123.171 0:0:0:0:0:ffff:188:7bab
1.136.123.172 0:0:0:0:0:ffff:188:7bac
1.136.123.173 0:0:0:0:0:ffff:188:7bad
1.136.123.174 0:0:0:0:0:ffff:188:7bae
1.136.123.175 0:0:0:0:0:ffff:188:7baf
1.136.123.176 0:0:0:0:0:ffff:188:7bb0
1.136.123.177 0:0:0:0:0:ffff:188:7bb1
1.136.123.178 0:0:0:0:0:ffff:188:7bb2
1.136.123.179 0:0:0:0:0:ffff:188:7bb3
1.136.123.180 0:0:0:0:0:ffff:188:7bb4


1.136.123.181 0:0:0:0:0:ffff:188:7bb5
1.136.123.182 0:0:0:0:0:ffff:188:7bb6
1.136.123.183 0:0:0:0:0:ffff:188:7bb7
1.136.123.184 0:0:0:0:0:ffff:188:7bb8
1.136.123.185 0:0:0:0:0:ffff:188:7bb9
1.136.123.186 0:0:0:0:0:ffff:188:7bba
1.136.123.187 0:0:0:0:0:ffff:188:7bbb
1.136.123.188 0:0:0:0:0:ffff:188:7bbc
1.136.123.189 0:0:0:0:0:ffff:188:7bbd
1.136.123.190 0:0:0:0:0:ffff:188:7bbe
1.136.123.191 0:0:0:0:0:ffff:188:7bbf
1.136.123.192 0:0:0:0:0:ffff:188:7bc0
1.136.123.193 0:0:0:0:0:ffff:188:7bc1
1.136.123.194 0:0:0:0:0:ffff:188:7bc2
1.136.123.195 0:0:0:0:0:ffff:188:7bc3
1.136.123.196 0:0:0:0:0:ffff:188:7bc4
1.136.123.197 0:0:0:0:0:ffff:188:7bc5
1.136.123.198 0:0:0:0:0:ffff:188:7bc6
1.136.123.199 0:0:0:0:0:ffff:188:7bc7
1.136.123.200 0:0:0:0:0:ffff:188:7bc8
1.136.123.201 0:0:0:0:0:ffff:188:7bc9
1.136.123.202 0:0:0:0:0:ffff:188:7bca
1.136.123.203 0:0:0:0:0:ffff:188:7bcb
1.136.123.204 0:0:0:0:0:ffff:188:7bcc
1.136.123.205 0:0:0:0:0:ffff:188:7bcd
1.136.123.206 0:0:0:0:0:ffff:188:7bce
1.136.123.207 0:0:0:0:0:ffff:188:7bcf
1.136.123.208 0:0:0:0:0:ffff:188:7bd0
1.136.123.209 0:0:0:0:0:ffff:188:7bd1
1.136.123.210 0:0:0:0:0:ffff:188:7bd2
1.136.123.211 0:0:0:0:0:ffff:188:7bd3
1.136.123.212 0:0:0:0:0:ffff:188:7bd4
1.136.123.213 0:0:0:0:0:ffff:188:7bd5
1.136.123.214 0:0:0:0:0:ffff:188:7bd6
1.136.123.215 0:0:0:0:0:ffff:188:7bd7
1.136.123.216 0:0:0:0:0:ffff:188:7bd8
1.136.123.217 0:0:0:0:0:ffff:188:7bd9
1.136.123.218 0:0:0:0:0:ffff:188:7bda
1.136.123.219 0:0:0:0:0:ffff:188:7bdb
1.136.123.220 0:0:0:0:0:ffff:188:7bdc
1.136.123.221 0:0:0:0:0:ffff:188:7bdd
1.136.123.222 0:0:0:0:0:ffff:188:7bde
1.136.123.223 0:0:0:0:0:ffff:188:7bdf
1.136.123.224 0:0:0:0:0:ffff:188:7be0
1.136.123.225 0:0:0:0:0:ffff:188:7be1
1.136.123.226 0:0:0:0:0:ffff:188:7be2
1.136.123.227 0:0:0:0:0:ffff:188:7be3
1.136.123.228 0:0:0:0:0:ffff:188:7be4
1.136.123.229 0:0:0:0:0:ffff:188:7be5
1.136.123.230 0:0:0:0:0:ffff:188:7be6
1.136.123.231 0:0:0:0:0:ffff:188:7be7
1.136.123.232 0:0:0:0:0:ffff:188:7be8
1.136.123.233 0:0:0:0:0:ffff:188:7be9
1.136.123.234 0:0:0:0:0:ffff:188:7bea
1.136.123.235 0:0:0:0:0:ffff:188:7beb
1.136.123.236 0:0:0:0:0:ffff:188:7bec
1.136.123.237 0:0:0:0:0:ffff:188:7bed
1.136.123.238 0:0:0:0:0:ffff:188:7bee
1.136.123.239 0:0:0:0:0:ffff:188:7bef
1.136.123.240 0:0:0:0:0:ffff:188:7bf0
1.136.123.241 0:0:0:0:0:ffff:188:7bf1
1.136.123.242 0:0:0:0:0:ffff:188:7bf2
1.136.123.243 0:0:0:0:0:ffff:188:7bf3
1.136.123.244 0:0:0:0:0:ffff:188:7bf4
1.136.123.245 0:0:0:0:0:ffff:188:7bf5
1.136.123.246 0:0:0:0:0:ffff:188:7bf6
1.136.123.247 0:0:0:0:0:ffff:188:7bf7
1.136.123.248 0:0:0:0:0:ffff:188:7bf8
1.136.123.249 0:0:0:0:0:ffff:188:7bf9
1.136.123.250 0:0:0:0:0:ffff:188:7bfa
1.136.123.251 0:0:0:0:0:ffff:188:7bfb
1.136.123.252 0:0:0:0:0:ffff:188:7bfc
1.136.123.253 0:0:0:0:0:ffff:188:7bfd
1.136.123.254 0:0:0:0:0:ffff:188:7bfe
1.136.123.255 0:0:0:0:0:ffff:188:7bff


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.