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
37.153.123.1 0:0:0:0:0:ffff:2599:7b01
37.153.123.2 0:0:0:0:0:ffff:2599:7b02
37.153.123.3 0:0:0:0:0:ffff:2599:7b03
37.153.123.4 0:0:0:0:0:ffff:2599:7b04
37.153.123.5 0:0:0:0:0:ffff:2599:7b05
37.153.123.6 0:0:0:0:0:ffff:2599:7b06
37.153.123.7 0:0:0:0:0:ffff:2599:7b07
37.153.123.8 0:0:0:0:0:ffff:2599:7b08
37.153.123.9 0:0:0:0:0:ffff:2599:7b09
37.153.123.10 0:0:0:0:0:ffff:2599:7b0a
37.153.123.11 0:0:0:0:0:ffff:2599:7b0b
37.153.123.12 0:0:0:0:0:ffff:2599:7b0c
37.153.123.13 0:0:0:0:0:ffff:2599:7b0d
37.153.123.14 0:0:0:0:0:ffff:2599:7b0e
37.153.123.15 0:0:0:0:0:ffff:2599:7b0f
37.153.123.16 0:0:0:0:0:ffff:2599:7b10
37.153.123.17 0:0:0:0:0:ffff:2599:7b11
37.153.123.18 0:0:0:0:0:ffff:2599:7b12
37.153.123.19 0:0:0:0:0:ffff:2599:7b13
37.153.123.20 0:0:0:0:0:ffff:2599:7b14
37.153.123.21 0:0:0:0:0:ffff:2599:7b15
37.153.123.22 0:0:0:0:0:ffff:2599:7b16
37.153.123.23 0:0:0:0:0:ffff:2599:7b17
37.153.123.24 0:0:0:0:0:ffff:2599:7b18
37.153.123.25 0:0:0:0:0:ffff:2599:7b19
37.153.123.26 0:0:0:0:0:ffff:2599:7b1a
37.153.123.27 0:0:0:0:0:ffff:2599:7b1b
37.153.123.28 0:0:0:0:0:ffff:2599:7b1c
37.153.123.29 0:0:0:0:0:ffff:2599:7b1d
37.153.123.30 0:0:0:0:0:ffff:2599:7b1e
37.153.123.31 0:0:0:0:0:ffff:2599:7b1f
37.153.123.32 0:0:0:0:0:ffff:2599:7b20
37.153.123.33 0:0:0:0:0:ffff:2599:7b21
37.153.123.34 0:0:0:0:0:ffff:2599:7b22
37.153.123.35 0:0:0:0:0:ffff:2599:7b23
37.153.123.36 0:0:0:0:0:ffff:2599:7b24
37.153.123.37 0:0:0:0:0:ffff:2599:7b25
37.153.123.38 0:0:0:0:0:ffff:2599:7b26
37.153.123.39 0:0:0:0:0:ffff:2599:7b27
37.153.123.40 0:0:0:0:0:ffff:2599:7b28
37.153.123.41 0:0:0:0:0:ffff:2599:7b29
37.153.123.42 0:0:0:0:0:ffff:2599:7b2a
37.153.123.43 0:0:0:0:0:ffff:2599:7b2b
37.153.123.44 0:0:0:0:0:ffff:2599:7b2c
37.153.123.45 0:0:0:0:0:ffff:2599:7b2d
37.153.123.46 0:0:0:0:0:ffff:2599:7b2e
37.153.123.47 0:0:0:0:0:ffff:2599:7b2f
37.153.123.48 0:0:0:0:0:ffff:2599:7b30
37.153.123.49 0:0:0:0:0:ffff:2599:7b31
37.153.123.50 0:0:0:0:0:ffff:2599:7b32
37.153.123.51 0:0:0:0:0:ffff:2599:7b33
37.153.123.52 0:0:0:0:0:ffff:2599:7b34
37.153.123.53 0:0:0:0:0:ffff:2599:7b35
37.153.123.54 0:0:0:0:0:ffff:2599:7b36
37.153.123.55 0:0:0:0:0:ffff:2599:7b37
37.153.123.56 0:0:0:0:0:ffff:2599:7b38
37.153.123.57 0:0:0:0:0:ffff:2599:7b39
37.153.123.58 0:0:0:0:0:ffff:2599:7b3a
37.153.123.59 0:0:0:0:0:ffff:2599:7b3b
37.153.123.60 0:0:0:0:0:ffff:2599:7b3c


37.153.123.61 0:0:0:0:0:ffff:2599:7b3d
37.153.123.62 0:0:0:0:0:ffff:2599:7b3e
37.153.123.63 0:0:0:0:0:ffff:2599:7b3f
37.153.123.64 0:0:0:0:0:ffff:2599:7b40
37.153.123.65 0:0:0:0:0:ffff:2599:7b41
37.153.123.66 0:0:0:0:0:ffff:2599:7b42
37.153.123.67 0:0:0:0:0:ffff:2599:7b43
37.153.123.68 0:0:0:0:0:ffff:2599:7b44
37.153.123.69 0:0:0:0:0:ffff:2599:7b45
37.153.123.70 0:0:0:0:0:ffff:2599:7b46
37.153.123.71 0:0:0:0:0:ffff:2599:7b47
37.153.123.72 0:0:0:0:0:ffff:2599:7b48
37.153.123.73 0:0:0:0:0:ffff:2599:7b49
37.153.123.74 0:0:0:0:0:ffff:2599:7b4a
37.153.123.75 0:0:0:0:0:ffff:2599:7b4b
37.153.123.76 0:0:0:0:0:ffff:2599:7b4c
37.153.123.77 0:0:0:0:0:ffff:2599:7b4d
37.153.123.78 0:0:0:0:0:ffff:2599:7b4e
37.153.123.79 0:0:0:0:0:ffff:2599:7b4f
37.153.123.80 0:0:0:0:0:ffff:2599:7b50
37.153.123.81 0:0:0:0:0:ffff:2599:7b51
37.153.123.82 0:0:0:0:0:ffff:2599:7b52
37.153.123.83 0:0:0:0:0:ffff:2599:7b53
37.153.123.84 0:0:0:0:0:ffff:2599:7b54
37.153.123.85 0:0:0:0:0:ffff:2599:7b55
37.153.123.86 0:0:0:0:0:ffff:2599:7b56
37.153.123.87 0:0:0:0:0:ffff:2599:7b57
37.153.123.88 0:0:0:0:0:ffff:2599:7b58
37.153.123.89 0:0:0:0:0:ffff:2599:7b59
37.153.123.90 0:0:0:0:0:ffff:2599:7b5a
37.153.123.91 0:0:0:0:0:ffff:2599:7b5b
37.153.123.92 0:0:0:0:0:ffff:2599:7b5c
37.153.123.93 0:0:0:0:0:ffff:2599:7b5d
37.153.123.94 0:0:0:0:0:ffff:2599:7b5e
37.153.123.95 0:0:0:0:0:ffff:2599:7b5f
37.153.123.96 0:0:0:0:0:ffff:2599:7b60
37.153.123.97 0:0:0:0:0:ffff:2599:7b61
37.153.123.98 0:0:0:0:0:ffff:2599:7b62
37.153.123.99 0:0:0:0:0:ffff:2599:7b63
37.153.123.100 0:0:0:0:0:ffff:2599:7b64
37.153.123.101 0:0:0:0:0:ffff:2599:7b65
37.153.123.102 0:0:0:0:0:ffff:2599:7b66
37.153.123.103 0:0:0:0:0:ffff:2599:7b67
37.153.123.104 0:0:0:0:0:ffff:2599:7b68
37.153.123.105 0:0:0:0:0:ffff:2599:7b69
37.153.123.106 0:0:0:0:0:ffff:2599:7b6a
37.153.123.107 0:0:0:0:0:ffff:2599:7b6b
37.153.123.108 0:0:0:0:0:ffff:2599:7b6c
37.153.123.109 0:0:0:0:0:ffff:2599:7b6d
37.153.123.110 0:0:0:0:0:ffff:2599:7b6e
37.153.123.111 0:0:0:0:0:ffff:2599:7b6f
37.153.123.112 0:0:0:0:0:ffff:2599:7b70
37.153.123.113 0:0:0:0:0:ffff:2599:7b71
37.153.123.114 0:0:0:0:0:ffff:2599:7b72
37.153.123.115 0:0:0:0:0:ffff:2599:7b73
37.153.123.116 0:0:0:0:0:ffff:2599:7b74
37.153.123.117 0:0:0:0:0:ffff:2599:7b75
37.153.123.118 0:0:0:0:0:ffff:2599:7b76
37.153.123.119 0:0:0:0:0:ffff:2599:7b77
37.153.123.120 0:0:0:0:0:ffff:2599:7b78


37.153.123.121 0:0:0:0:0:ffff:2599:7b79
37.153.123.122 0:0:0:0:0:ffff:2599:7b7a
37.153.123.123 0:0:0:0:0:ffff:2599:7b7b
37.153.123.124 0:0:0:0:0:ffff:2599:7b7c
37.153.123.125 0:0:0:0:0:ffff:2599:7b7d
37.153.123.126 0:0:0:0:0:ffff:2599:7b7e
37.153.123.127 0:0:0:0:0:ffff:2599:7b7f
37.153.123.128 0:0:0:0:0:ffff:2599:7b80
37.153.123.129 0:0:0:0:0:ffff:2599:7b81
37.153.123.130 0:0:0:0:0:ffff:2599:7b82
37.153.123.131 0:0:0:0:0:ffff:2599:7b83
37.153.123.132 0:0:0:0:0:ffff:2599:7b84
37.153.123.133 0:0:0:0:0:ffff:2599:7b85
37.153.123.134 0:0:0:0:0:ffff:2599:7b86
37.153.123.135 0:0:0:0:0:ffff:2599:7b87
37.153.123.136 0:0:0:0:0:ffff:2599:7b88
37.153.123.137 0:0:0:0:0:ffff:2599:7b89
37.153.123.138 0:0:0:0:0:ffff:2599:7b8a
37.153.123.139 0:0:0:0:0:ffff:2599:7b8b
37.153.123.140 0:0:0:0:0:ffff:2599:7b8c
37.153.123.141 0:0:0:0:0:ffff:2599:7b8d
37.153.123.142 0:0:0:0:0:ffff:2599:7b8e
37.153.123.143 0:0:0:0:0:ffff:2599:7b8f
37.153.123.144 0:0:0:0:0:ffff:2599:7b90
37.153.123.145 0:0:0:0:0:ffff:2599:7b91
37.153.123.146 0:0:0:0:0:ffff:2599:7b92
37.153.123.147 0:0:0:0:0:ffff:2599:7b93
37.153.123.148 0:0:0:0:0:ffff:2599:7b94
37.153.123.149 0:0:0:0:0:ffff:2599:7b95
37.153.123.150 0:0:0:0:0:ffff:2599:7b96
37.153.123.151 0:0:0:0:0:ffff:2599:7b97
37.153.123.152 0:0:0:0:0:ffff:2599:7b98
37.153.123.153 0:0:0:0:0:ffff:2599:7b99
37.153.123.154 0:0:0:0:0:ffff:2599:7b9a
37.153.123.155 0:0:0:0:0:ffff:2599:7b9b
37.153.123.156 0:0:0:0:0:ffff:2599:7b9c
37.153.123.157 0:0:0:0:0:ffff:2599:7b9d
37.153.123.158 0:0:0:0:0:ffff:2599:7b9e
37.153.123.159 0:0:0:0:0:ffff:2599:7b9f
37.153.123.160 0:0:0:0:0:ffff:2599:7ba0
37.153.123.161 0:0:0:0:0:ffff:2599:7ba1
37.153.123.162 0:0:0:0:0:ffff:2599:7ba2
37.153.123.163 0:0:0:0:0:ffff:2599:7ba3
37.153.123.164 0:0:0:0:0:ffff:2599:7ba4
37.153.123.165 0:0:0:0:0:ffff:2599:7ba5
37.153.123.166 0:0:0:0:0:ffff:2599:7ba6
37.153.123.167 0:0:0:0:0:ffff:2599:7ba7
37.153.123.168 0:0:0:0:0:ffff:2599:7ba8
37.153.123.169 0:0:0:0:0:ffff:2599:7ba9
37.153.123.170 0:0:0:0:0:ffff:2599:7baa
37.153.123.171 0:0:0:0:0:ffff:2599:7bab
37.153.123.172 0:0:0:0:0:ffff:2599:7bac
37.153.123.173 0:0:0:0:0:ffff:2599:7bad
37.153.123.174 0:0:0:0:0:ffff:2599:7bae
37.153.123.175 0:0:0:0:0:ffff:2599:7baf
37.153.123.176 0:0:0:0:0:ffff:2599:7bb0
37.153.123.177 0:0:0:0:0:ffff:2599:7bb1
37.153.123.178 0:0:0:0:0:ffff:2599:7bb2
37.153.123.179 0:0:0:0:0:ffff:2599:7bb3
37.153.123.180 0:0:0:0:0:ffff:2599:7bb4


37.153.123.181 0:0:0:0:0:ffff:2599:7bb5
37.153.123.182 0:0:0:0:0:ffff:2599:7bb6
37.153.123.183 0:0:0:0:0:ffff:2599:7bb7
37.153.123.184 0:0:0:0:0:ffff:2599:7bb8
37.153.123.185 0:0:0:0:0:ffff:2599:7bb9
37.153.123.186 0:0:0:0:0:ffff:2599:7bba
37.153.123.187 0:0:0:0:0:ffff:2599:7bbb
37.153.123.188 0:0:0:0:0:ffff:2599:7bbc
37.153.123.189 0:0:0:0:0:ffff:2599:7bbd
37.153.123.190 0:0:0:0:0:ffff:2599:7bbe
37.153.123.191 0:0:0:0:0:ffff:2599:7bbf
37.153.123.192 0:0:0:0:0:ffff:2599:7bc0
37.153.123.193 0:0:0:0:0:ffff:2599:7bc1
37.153.123.194 0:0:0:0:0:ffff:2599:7bc2
37.153.123.195 0:0:0:0:0:ffff:2599:7bc3
37.153.123.196 0:0:0:0:0:ffff:2599:7bc4
37.153.123.197 0:0:0:0:0:ffff:2599:7bc5
37.153.123.198 0:0:0:0:0:ffff:2599:7bc6
37.153.123.199 0:0:0:0:0:ffff:2599:7bc7
37.153.123.200 0:0:0:0:0:ffff:2599:7bc8
37.153.123.201 0:0:0:0:0:ffff:2599:7bc9
37.153.123.202 0:0:0:0:0:ffff:2599:7bca
37.153.123.203 0:0:0:0:0:ffff:2599:7bcb
37.153.123.204 0:0:0:0:0:ffff:2599:7bcc
37.153.123.205 0:0:0:0:0:ffff:2599:7bcd
37.153.123.206 0:0:0:0:0:ffff:2599:7bce
37.153.123.207 0:0:0:0:0:ffff:2599:7bcf
37.153.123.208 0:0:0:0:0:ffff:2599:7bd0
37.153.123.209 0:0:0:0:0:ffff:2599:7bd1
37.153.123.210 0:0:0:0:0:ffff:2599:7bd2
37.153.123.211 0:0:0:0:0:ffff:2599:7bd3
37.153.123.212 0:0:0:0:0:ffff:2599:7bd4
37.153.123.213 0:0:0:0:0:ffff:2599:7bd5
37.153.123.214 0:0:0:0:0:ffff:2599:7bd6
37.153.123.215 0:0:0:0:0:ffff:2599:7bd7
37.153.123.216 0:0:0:0:0:ffff:2599:7bd8
37.153.123.217 0:0:0:0:0:ffff:2599:7bd9
37.153.123.218 0:0:0:0:0:ffff:2599:7bda
37.153.123.219 0:0:0:0:0:ffff:2599:7bdb
37.153.123.220 0:0:0:0:0:ffff:2599:7bdc
37.153.123.221 0:0:0:0:0:ffff:2599:7bdd
37.153.123.222 0:0:0:0:0:ffff:2599:7bde
37.153.123.223 0:0:0:0:0:ffff:2599:7bdf
37.153.123.224 0:0:0:0:0:ffff:2599:7be0
37.153.123.225 0:0:0:0:0:ffff:2599:7be1
37.153.123.226 0:0:0:0:0:ffff:2599:7be2
37.153.123.227 0:0:0:0:0:ffff:2599:7be3
37.153.123.228 0:0:0:0:0:ffff:2599:7be4
37.153.123.229 0:0:0:0:0:ffff:2599:7be5
37.153.123.230 0:0:0:0:0:ffff:2599:7be6
37.153.123.231 0:0:0:0:0:ffff:2599:7be7
37.153.123.232 0:0:0:0:0:ffff:2599:7be8
37.153.123.233 0:0:0:0:0:ffff:2599:7be9
37.153.123.234 0:0:0:0:0:ffff:2599:7bea
37.153.123.235 0:0:0:0:0:ffff:2599:7beb
37.153.123.236 0:0:0:0:0:ffff:2599:7bec
37.153.123.237 0:0:0:0:0:ffff:2599:7bed
37.153.123.238 0:0:0:0:0:ffff:2599:7bee
37.153.123.239 0:0:0:0:0:ffff:2599:7bef
37.153.123.240 0:0:0:0:0:ffff:2599:7bf0
37.153.123.241 0:0:0:0:0:ffff:2599:7bf1
37.153.123.242 0:0:0:0:0:ffff:2599:7bf2
37.153.123.243 0:0:0:0:0:ffff:2599:7bf3
37.153.123.244 0:0:0:0:0:ffff:2599:7bf4
37.153.123.245 0:0:0:0:0:ffff:2599:7bf5
37.153.123.246 0:0:0:0:0:ffff:2599:7bf6
37.153.123.247 0:0:0:0:0:ffff:2599:7bf7
37.153.123.248 0:0:0:0:0:ffff:2599:7bf8
37.153.123.249 0:0:0:0:0:ffff:2599:7bf9
37.153.123.250 0:0:0:0:0:ffff:2599:7bfa
37.153.123.251 0:0:0:0:0:ffff:2599:7bfb
37.153.123.252 0:0:0:0:0:ffff:2599:7bfc
37.153.123.253 0:0:0:0:0:ffff:2599:7bfd
37.153.123.254 0:0:0:0:0:ffff:2599:7bfe
37.153.123.255 0:0:0:0:0:ffff:2599:7bff


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.