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
101.73.123.1 0:0:0:0:0:ffff:6549:7b01
101.73.123.2 0:0:0:0:0:ffff:6549:7b02
101.73.123.3 0:0:0:0:0:ffff:6549:7b03
101.73.123.4 0:0:0:0:0:ffff:6549:7b04
101.73.123.5 0:0:0:0:0:ffff:6549:7b05
101.73.123.6 0:0:0:0:0:ffff:6549:7b06
101.73.123.7 0:0:0:0:0:ffff:6549:7b07
101.73.123.8 0:0:0:0:0:ffff:6549:7b08
101.73.123.9 0:0:0:0:0:ffff:6549:7b09
101.73.123.10 0:0:0:0:0:ffff:6549:7b0a
101.73.123.11 0:0:0:0:0:ffff:6549:7b0b
101.73.123.12 0:0:0:0:0:ffff:6549:7b0c
101.73.123.13 0:0:0:0:0:ffff:6549:7b0d
101.73.123.14 0:0:0:0:0:ffff:6549:7b0e
101.73.123.15 0:0:0:0:0:ffff:6549:7b0f
101.73.123.16 0:0:0:0:0:ffff:6549:7b10
101.73.123.17 0:0:0:0:0:ffff:6549:7b11
101.73.123.18 0:0:0:0:0:ffff:6549:7b12
101.73.123.19 0:0:0:0:0:ffff:6549:7b13
101.73.123.20 0:0:0:0:0:ffff:6549:7b14
101.73.123.21 0:0:0:0:0:ffff:6549:7b15
101.73.123.22 0:0:0:0:0:ffff:6549:7b16
101.73.123.23 0:0:0:0:0:ffff:6549:7b17
101.73.123.24 0:0:0:0:0:ffff:6549:7b18
101.73.123.25 0:0:0:0:0:ffff:6549:7b19
101.73.123.26 0:0:0:0:0:ffff:6549:7b1a
101.73.123.27 0:0:0:0:0:ffff:6549:7b1b
101.73.123.28 0:0:0:0:0:ffff:6549:7b1c
101.73.123.29 0:0:0:0:0:ffff:6549:7b1d
101.73.123.30 0:0:0:0:0:ffff:6549:7b1e
101.73.123.31 0:0:0:0:0:ffff:6549:7b1f
101.73.123.32 0:0:0:0:0:ffff:6549:7b20
101.73.123.33 0:0:0:0:0:ffff:6549:7b21
101.73.123.34 0:0:0:0:0:ffff:6549:7b22
101.73.123.35 0:0:0:0:0:ffff:6549:7b23
101.73.123.36 0:0:0:0:0:ffff:6549:7b24
101.73.123.37 0:0:0:0:0:ffff:6549:7b25
101.73.123.38 0:0:0:0:0:ffff:6549:7b26
101.73.123.39 0:0:0:0:0:ffff:6549:7b27
101.73.123.40 0:0:0:0:0:ffff:6549:7b28
101.73.123.41 0:0:0:0:0:ffff:6549:7b29
101.73.123.42 0:0:0:0:0:ffff:6549:7b2a
101.73.123.43 0:0:0:0:0:ffff:6549:7b2b
101.73.123.44 0:0:0:0:0:ffff:6549:7b2c
101.73.123.45 0:0:0:0:0:ffff:6549:7b2d
101.73.123.46 0:0:0:0:0:ffff:6549:7b2e
101.73.123.47 0:0:0:0:0:ffff:6549:7b2f
101.73.123.48 0:0:0:0:0:ffff:6549:7b30
101.73.123.49 0:0:0:0:0:ffff:6549:7b31
101.73.123.50 0:0:0:0:0:ffff:6549:7b32
101.73.123.51 0:0:0:0:0:ffff:6549:7b33
101.73.123.52 0:0:0:0:0:ffff:6549:7b34
101.73.123.53 0:0:0:0:0:ffff:6549:7b35
101.73.123.54 0:0:0:0:0:ffff:6549:7b36
101.73.123.55 0:0:0:0:0:ffff:6549:7b37
101.73.123.56 0:0:0:0:0:ffff:6549:7b38
101.73.123.57 0:0:0:0:0:ffff:6549:7b39
101.73.123.58 0:0:0:0:0:ffff:6549:7b3a
101.73.123.59 0:0:0:0:0:ffff:6549:7b3b
101.73.123.60 0:0:0:0:0:ffff:6549:7b3c


101.73.123.61 0:0:0:0:0:ffff:6549:7b3d
101.73.123.62 0:0:0:0:0:ffff:6549:7b3e
101.73.123.63 0:0:0:0:0:ffff:6549:7b3f
101.73.123.64 0:0:0:0:0:ffff:6549:7b40
101.73.123.65 0:0:0:0:0:ffff:6549:7b41
101.73.123.66 0:0:0:0:0:ffff:6549:7b42
101.73.123.67 0:0:0:0:0:ffff:6549:7b43
101.73.123.68 0:0:0:0:0:ffff:6549:7b44
101.73.123.69 0:0:0:0:0:ffff:6549:7b45
101.73.123.70 0:0:0:0:0:ffff:6549:7b46
101.73.123.71 0:0:0:0:0:ffff:6549:7b47
101.73.123.72 0:0:0:0:0:ffff:6549:7b48
101.73.123.73 0:0:0:0:0:ffff:6549:7b49
101.73.123.74 0:0:0:0:0:ffff:6549:7b4a
101.73.123.75 0:0:0:0:0:ffff:6549:7b4b
101.73.123.76 0:0:0:0:0:ffff:6549:7b4c
101.73.123.77 0:0:0:0:0:ffff:6549:7b4d
101.73.123.78 0:0:0:0:0:ffff:6549:7b4e
101.73.123.79 0:0:0:0:0:ffff:6549:7b4f
101.73.123.80 0:0:0:0:0:ffff:6549:7b50
101.73.123.81 0:0:0:0:0:ffff:6549:7b51
101.73.123.82 0:0:0:0:0:ffff:6549:7b52
101.73.123.83 0:0:0:0:0:ffff:6549:7b53
101.73.123.84 0:0:0:0:0:ffff:6549:7b54
101.73.123.85 0:0:0:0:0:ffff:6549:7b55
101.73.123.86 0:0:0:0:0:ffff:6549:7b56
101.73.123.87 0:0:0:0:0:ffff:6549:7b57
101.73.123.88 0:0:0:0:0:ffff:6549:7b58
101.73.123.89 0:0:0:0:0:ffff:6549:7b59
101.73.123.90 0:0:0:0:0:ffff:6549:7b5a
101.73.123.91 0:0:0:0:0:ffff:6549:7b5b
101.73.123.92 0:0:0:0:0:ffff:6549:7b5c
101.73.123.93 0:0:0:0:0:ffff:6549:7b5d
101.73.123.94 0:0:0:0:0:ffff:6549:7b5e
101.73.123.95 0:0:0:0:0:ffff:6549:7b5f
101.73.123.96 0:0:0:0:0:ffff:6549:7b60
101.73.123.97 0:0:0:0:0:ffff:6549:7b61
101.73.123.98 0:0:0:0:0:ffff:6549:7b62
101.73.123.99 0:0:0:0:0:ffff:6549:7b63
101.73.123.100 0:0:0:0:0:ffff:6549:7b64
101.73.123.101 0:0:0:0:0:ffff:6549:7b65
101.73.123.102 0:0:0:0:0:ffff:6549:7b66
101.73.123.103 0:0:0:0:0:ffff:6549:7b67
101.73.123.104 0:0:0:0:0:ffff:6549:7b68
101.73.123.105 0:0:0:0:0:ffff:6549:7b69
101.73.123.106 0:0:0:0:0:ffff:6549:7b6a
101.73.123.107 0:0:0:0:0:ffff:6549:7b6b
101.73.123.108 0:0:0:0:0:ffff:6549:7b6c
101.73.123.109 0:0:0:0:0:ffff:6549:7b6d
101.73.123.110 0:0:0:0:0:ffff:6549:7b6e
101.73.123.111 0:0:0:0:0:ffff:6549:7b6f
101.73.123.112 0:0:0:0:0:ffff:6549:7b70
101.73.123.113 0:0:0:0:0:ffff:6549:7b71
101.73.123.114 0:0:0:0:0:ffff:6549:7b72
101.73.123.115 0:0:0:0:0:ffff:6549:7b73
101.73.123.116 0:0:0:0:0:ffff:6549:7b74
101.73.123.117 0:0:0:0:0:ffff:6549:7b75
101.73.123.118 0:0:0:0:0:ffff:6549:7b76
101.73.123.119 0:0:0:0:0:ffff:6549:7b77
101.73.123.120 0:0:0:0:0:ffff:6549:7b78


101.73.123.121 0:0:0:0:0:ffff:6549:7b79
101.73.123.122 0:0:0:0:0:ffff:6549:7b7a
101.73.123.123 0:0:0:0:0:ffff:6549:7b7b
101.73.123.124 0:0:0:0:0:ffff:6549:7b7c
101.73.123.125 0:0:0:0:0:ffff:6549:7b7d
101.73.123.126 0:0:0:0:0:ffff:6549:7b7e
101.73.123.127 0:0:0:0:0:ffff:6549:7b7f
101.73.123.128 0:0:0:0:0:ffff:6549:7b80
101.73.123.129 0:0:0:0:0:ffff:6549:7b81
101.73.123.130 0:0:0:0:0:ffff:6549:7b82
101.73.123.131 0:0:0:0:0:ffff:6549:7b83
101.73.123.132 0:0:0:0:0:ffff:6549:7b84
101.73.123.133 0:0:0:0:0:ffff:6549:7b85
101.73.123.134 0:0:0:0:0:ffff:6549:7b86
101.73.123.135 0:0:0:0:0:ffff:6549:7b87
101.73.123.136 0:0:0:0:0:ffff:6549:7b88
101.73.123.137 0:0:0:0:0:ffff:6549:7b89
101.73.123.138 0:0:0:0:0:ffff:6549:7b8a
101.73.123.139 0:0:0:0:0:ffff:6549:7b8b
101.73.123.140 0:0:0:0:0:ffff:6549:7b8c
101.73.123.141 0:0:0:0:0:ffff:6549:7b8d
101.73.123.142 0:0:0:0:0:ffff:6549:7b8e
101.73.123.143 0:0:0:0:0:ffff:6549:7b8f
101.73.123.144 0:0:0:0:0:ffff:6549:7b90
101.73.123.145 0:0:0:0:0:ffff:6549:7b91
101.73.123.146 0:0:0:0:0:ffff:6549:7b92
101.73.123.147 0:0:0:0:0:ffff:6549:7b93
101.73.123.148 0:0:0:0:0:ffff:6549:7b94
101.73.123.149 0:0:0:0:0:ffff:6549:7b95
101.73.123.150 0:0:0:0:0:ffff:6549:7b96
101.73.123.151 0:0:0:0:0:ffff:6549:7b97
101.73.123.152 0:0:0:0:0:ffff:6549:7b98
101.73.123.153 0:0:0:0:0:ffff:6549:7b99
101.73.123.154 0:0:0:0:0:ffff:6549:7b9a
101.73.123.155 0:0:0:0:0:ffff:6549:7b9b
101.73.123.156 0:0:0:0:0:ffff:6549:7b9c
101.73.123.157 0:0:0:0:0:ffff:6549:7b9d
101.73.123.158 0:0:0:0:0:ffff:6549:7b9e
101.73.123.159 0:0:0:0:0:ffff:6549:7b9f
101.73.123.160 0:0:0:0:0:ffff:6549:7ba0
101.73.123.161 0:0:0:0:0:ffff:6549:7ba1
101.73.123.162 0:0:0:0:0:ffff:6549:7ba2
101.73.123.163 0:0:0:0:0:ffff:6549:7ba3
101.73.123.164 0:0:0:0:0:ffff:6549:7ba4
101.73.123.165 0:0:0:0:0:ffff:6549:7ba5
101.73.123.166 0:0:0:0:0:ffff:6549:7ba6
101.73.123.167 0:0:0:0:0:ffff:6549:7ba7
101.73.123.168 0:0:0:0:0:ffff:6549:7ba8
101.73.123.169 0:0:0:0:0:ffff:6549:7ba9
101.73.123.170 0:0:0:0:0:ffff:6549:7baa
101.73.123.171 0:0:0:0:0:ffff:6549:7bab
101.73.123.172 0:0:0:0:0:ffff:6549:7bac
101.73.123.173 0:0:0:0:0:ffff:6549:7bad
101.73.123.174 0:0:0:0:0:ffff:6549:7bae
101.73.123.175 0:0:0:0:0:ffff:6549:7baf
101.73.123.176 0:0:0:0:0:ffff:6549:7bb0
101.73.123.177 0:0:0:0:0:ffff:6549:7bb1
101.73.123.178 0:0:0:0:0:ffff:6549:7bb2
101.73.123.179 0:0:0:0:0:ffff:6549:7bb3
101.73.123.180 0:0:0:0:0:ffff:6549:7bb4


101.73.123.181 0:0:0:0:0:ffff:6549:7bb5
101.73.123.182 0:0:0:0:0:ffff:6549:7bb6
101.73.123.183 0:0:0:0:0:ffff:6549:7bb7
101.73.123.184 0:0:0:0:0:ffff:6549:7bb8
101.73.123.185 0:0:0:0:0:ffff:6549:7bb9
101.73.123.186 0:0:0:0:0:ffff:6549:7bba
101.73.123.187 0:0:0:0:0:ffff:6549:7bbb
101.73.123.188 0:0:0:0:0:ffff:6549:7bbc
101.73.123.189 0:0:0:0:0:ffff:6549:7bbd
101.73.123.190 0:0:0:0:0:ffff:6549:7bbe
101.73.123.191 0:0:0:0:0:ffff:6549:7bbf
101.73.123.192 0:0:0:0:0:ffff:6549:7bc0
101.73.123.193 0:0:0:0:0:ffff:6549:7bc1
101.73.123.194 0:0:0:0:0:ffff:6549:7bc2
101.73.123.195 0:0:0:0:0:ffff:6549:7bc3
101.73.123.196 0:0:0:0:0:ffff:6549:7bc4
101.73.123.197 0:0:0:0:0:ffff:6549:7bc5
101.73.123.198 0:0:0:0:0:ffff:6549:7bc6
101.73.123.199 0:0:0:0:0:ffff:6549:7bc7
101.73.123.200 0:0:0:0:0:ffff:6549:7bc8
101.73.123.201 0:0:0:0:0:ffff:6549:7bc9
101.73.123.202 0:0:0:0:0:ffff:6549:7bca
101.73.123.203 0:0:0:0:0:ffff:6549:7bcb
101.73.123.204 0:0:0:0:0:ffff:6549:7bcc
101.73.123.205 0:0:0:0:0:ffff:6549:7bcd
101.73.123.206 0:0:0:0:0:ffff:6549:7bce
101.73.123.207 0:0:0:0:0:ffff:6549:7bcf
101.73.123.208 0:0:0:0:0:ffff:6549:7bd0
101.73.123.209 0:0:0:0:0:ffff:6549:7bd1
101.73.123.210 0:0:0:0:0:ffff:6549:7bd2
101.73.123.211 0:0:0:0:0:ffff:6549:7bd3
101.73.123.212 0:0:0:0:0:ffff:6549:7bd4
101.73.123.213 0:0:0:0:0:ffff:6549:7bd5
101.73.123.214 0:0:0:0:0:ffff:6549:7bd6
101.73.123.215 0:0:0:0:0:ffff:6549:7bd7
101.73.123.216 0:0:0:0:0:ffff:6549:7bd8
101.73.123.217 0:0:0:0:0:ffff:6549:7bd9
101.73.123.218 0:0:0:0:0:ffff:6549:7bda
101.73.123.219 0:0:0:0:0:ffff:6549:7bdb
101.73.123.220 0:0:0:0:0:ffff:6549:7bdc
101.73.123.221 0:0:0:0:0:ffff:6549:7bdd
101.73.123.222 0:0:0:0:0:ffff:6549:7bde
101.73.123.223 0:0:0:0:0:ffff:6549:7bdf
101.73.123.224 0:0:0:0:0:ffff:6549:7be0
101.73.123.225 0:0:0:0:0:ffff:6549:7be1
101.73.123.226 0:0:0:0:0:ffff:6549:7be2
101.73.123.227 0:0:0:0:0:ffff:6549:7be3
101.73.123.228 0:0:0:0:0:ffff:6549:7be4
101.73.123.229 0:0:0:0:0:ffff:6549:7be5
101.73.123.230 0:0:0:0:0:ffff:6549:7be6
101.73.123.231 0:0:0:0:0:ffff:6549:7be7
101.73.123.232 0:0:0:0:0:ffff:6549:7be8
101.73.123.233 0:0:0:0:0:ffff:6549:7be9
101.73.123.234 0:0:0:0:0:ffff:6549:7bea
101.73.123.235 0:0:0:0:0:ffff:6549:7beb
101.73.123.236 0:0:0:0:0:ffff:6549:7bec
101.73.123.237 0:0:0:0:0:ffff:6549:7bed
101.73.123.238 0:0:0:0:0:ffff:6549:7bee
101.73.123.239 0:0:0:0:0:ffff:6549:7bef
101.73.123.240 0:0:0:0:0:ffff:6549:7bf0
101.73.123.241 0:0:0:0:0:ffff:6549:7bf1
101.73.123.242 0:0:0:0:0:ffff:6549:7bf2
101.73.123.243 0:0:0:0:0:ffff:6549:7bf3
101.73.123.244 0:0:0:0:0:ffff:6549:7bf4
101.73.123.245 0:0:0:0:0:ffff:6549:7bf5
101.73.123.246 0:0:0:0:0:ffff:6549:7bf6
101.73.123.247 0:0:0:0:0:ffff:6549:7bf7
101.73.123.248 0:0:0:0:0:ffff:6549:7bf8
101.73.123.249 0:0:0:0:0:ffff:6549:7bf9
101.73.123.250 0:0:0:0:0:ffff:6549:7bfa
101.73.123.251 0:0:0:0:0:ffff:6549:7bfb
101.73.123.252 0:0:0:0:0:ffff:6549:7bfc
101.73.123.253 0:0:0:0:0:ffff:6549:7bfd
101.73.123.254 0:0:0:0:0:ffff:6549:7bfe
101.73.123.255 0:0:0:0:0:ffff:6549:7bff


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.