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
221.90.43.1 0:0:0:0:0:ffff:dd5a:2b01
221.90.43.2 0:0:0:0:0:ffff:dd5a:2b02
221.90.43.3 0:0:0:0:0:ffff:dd5a:2b03
221.90.43.4 0:0:0:0:0:ffff:dd5a:2b04
221.90.43.5 0:0:0:0:0:ffff:dd5a:2b05
221.90.43.6 0:0:0:0:0:ffff:dd5a:2b06
221.90.43.7 0:0:0:0:0:ffff:dd5a:2b07
221.90.43.8 0:0:0:0:0:ffff:dd5a:2b08
221.90.43.9 0:0:0:0:0:ffff:dd5a:2b09
221.90.43.10 0:0:0:0:0:ffff:dd5a:2b0a
221.90.43.11 0:0:0:0:0:ffff:dd5a:2b0b
221.90.43.12 0:0:0:0:0:ffff:dd5a:2b0c
221.90.43.13 0:0:0:0:0:ffff:dd5a:2b0d
221.90.43.14 0:0:0:0:0:ffff:dd5a:2b0e
221.90.43.15 0:0:0:0:0:ffff:dd5a:2b0f
221.90.43.16 0:0:0:0:0:ffff:dd5a:2b10
221.90.43.17 0:0:0:0:0:ffff:dd5a:2b11
221.90.43.18 0:0:0:0:0:ffff:dd5a:2b12
221.90.43.19 0:0:0:0:0:ffff:dd5a:2b13
221.90.43.20 0:0:0:0:0:ffff:dd5a:2b14
221.90.43.21 0:0:0:0:0:ffff:dd5a:2b15
221.90.43.22 0:0:0:0:0:ffff:dd5a:2b16
221.90.43.23 0:0:0:0:0:ffff:dd5a:2b17
221.90.43.24 0:0:0:0:0:ffff:dd5a:2b18
221.90.43.25 0:0:0:0:0:ffff:dd5a:2b19
221.90.43.26 0:0:0:0:0:ffff:dd5a:2b1a
221.90.43.27 0:0:0:0:0:ffff:dd5a:2b1b
221.90.43.28 0:0:0:0:0:ffff:dd5a:2b1c
221.90.43.29 0:0:0:0:0:ffff:dd5a:2b1d
221.90.43.30 0:0:0:0:0:ffff:dd5a:2b1e
221.90.43.31 0:0:0:0:0:ffff:dd5a:2b1f
221.90.43.32 0:0:0:0:0:ffff:dd5a:2b20
221.90.43.33 0:0:0:0:0:ffff:dd5a:2b21
221.90.43.34 0:0:0:0:0:ffff:dd5a:2b22
221.90.43.35 0:0:0:0:0:ffff:dd5a:2b23
221.90.43.36 0:0:0:0:0:ffff:dd5a:2b24
221.90.43.37 0:0:0:0:0:ffff:dd5a:2b25
221.90.43.38 0:0:0:0:0:ffff:dd5a:2b26
221.90.43.39 0:0:0:0:0:ffff:dd5a:2b27
221.90.43.40 0:0:0:0:0:ffff:dd5a:2b28
221.90.43.41 0:0:0:0:0:ffff:dd5a:2b29
221.90.43.42 0:0:0:0:0:ffff:dd5a:2b2a
221.90.43.43 0:0:0:0:0:ffff:dd5a:2b2b
221.90.43.44 0:0:0:0:0:ffff:dd5a:2b2c
221.90.43.45 0:0:0:0:0:ffff:dd5a:2b2d
221.90.43.46 0:0:0:0:0:ffff:dd5a:2b2e
221.90.43.47 0:0:0:0:0:ffff:dd5a:2b2f
221.90.43.48 0:0:0:0:0:ffff:dd5a:2b30
221.90.43.49 0:0:0:0:0:ffff:dd5a:2b31
221.90.43.50 0:0:0:0:0:ffff:dd5a:2b32
221.90.43.51 0:0:0:0:0:ffff:dd5a:2b33
221.90.43.52 0:0:0:0:0:ffff:dd5a:2b34
221.90.43.53 0:0:0:0:0:ffff:dd5a:2b35
221.90.43.54 0:0:0:0:0:ffff:dd5a:2b36
221.90.43.55 0:0:0:0:0:ffff:dd5a:2b37
221.90.43.56 0:0:0:0:0:ffff:dd5a:2b38
221.90.43.57 0:0:0:0:0:ffff:dd5a:2b39
221.90.43.58 0:0:0:0:0:ffff:dd5a:2b3a
221.90.43.59 0:0:0:0:0:ffff:dd5a:2b3b
221.90.43.60 0:0:0:0:0:ffff:dd5a:2b3c


221.90.43.61 0:0:0:0:0:ffff:dd5a:2b3d
221.90.43.62 0:0:0:0:0:ffff:dd5a:2b3e
221.90.43.63 0:0:0:0:0:ffff:dd5a:2b3f
221.90.43.64 0:0:0:0:0:ffff:dd5a:2b40
221.90.43.65 0:0:0:0:0:ffff:dd5a:2b41
221.90.43.66 0:0:0:0:0:ffff:dd5a:2b42
221.90.43.67 0:0:0:0:0:ffff:dd5a:2b43
221.90.43.68 0:0:0:0:0:ffff:dd5a:2b44
221.90.43.69 0:0:0:0:0:ffff:dd5a:2b45
221.90.43.70 0:0:0:0:0:ffff:dd5a:2b46
221.90.43.71 0:0:0:0:0:ffff:dd5a:2b47
221.90.43.72 0:0:0:0:0:ffff:dd5a:2b48
221.90.43.73 0:0:0:0:0:ffff:dd5a:2b49
221.90.43.74 0:0:0:0:0:ffff:dd5a:2b4a
221.90.43.75 0:0:0:0:0:ffff:dd5a:2b4b
221.90.43.76 0:0:0:0:0:ffff:dd5a:2b4c
221.90.43.77 0:0:0:0:0:ffff:dd5a:2b4d
221.90.43.78 0:0:0:0:0:ffff:dd5a:2b4e
221.90.43.79 0:0:0:0:0:ffff:dd5a:2b4f
221.90.43.80 0:0:0:0:0:ffff:dd5a:2b50
221.90.43.81 0:0:0:0:0:ffff:dd5a:2b51
221.90.43.82 0:0:0:0:0:ffff:dd5a:2b52
221.90.43.83 0:0:0:0:0:ffff:dd5a:2b53
221.90.43.84 0:0:0:0:0:ffff:dd5a:2b54
221.90.43.85 0:0:0:0:0:ffff:dd5a:2b55
221.90.43.86 0:0:0:0:0:ffff:dd5a:2b56
221.90.43.87 0:0:0:0:0:ffff:dd5a:2b57
221.90.43.88 0:0:0:0:0:ffff:dd5a:2b58
221.90.43.89 0:0:0:0:0:ffff:dd5a:2b59
221.90.43.90 0:0:0:0:0:ffff:dd5a:2b5a
221.90.43.91 0:0:0:0:0:ffff:dd5a:2b5b
221.90.43.92 0:0:0:0:0:ffff:dd5a:2b5c
221.90.43.93 0:0:0:0:0:ffff:dd5a:2b5d
221.90.43.94 0:0:0:0:0:ffff:dd5a:2b5e
221.90.43.95 0:0:0:0:0:ffff:dd5a:2b5f
221.90.43.96 0:0:0:0:0:ffff:dd5a:2b60
221.90.43.97 0:0:0:0:0:ffff:dd5a:2b61
221.90.43.98 0:0:0:0:0:ffff:dd5a:2b62
221.90.43.99 0:0:0:0:0:ffff:dd5a:2b63
221.90.43.100 0:0:0:0:0:ffff:dd5a:2b64
221.90.43.101 0:0:0:0:0:ffff:dd5a:2b65
221.90.43.102 0:0:0:0:0:ffff:dd5a:2b66
221.90.43.103 0:0:0:0:0:ffff:dd5a:2b67
221.90.43.104 0:0:0:0:0:ffff:dd5a:2b68
221.90.43.105 0:0:0:0:0:ffff:dd5a:2b69
221.90.43.106 0:0:0:0:0:ffff:dd5a:2b6a
221.90.43.107 0:0:0:0:0:ffff:dd5a:2b6b
221.90.43.108 0:0:0:0:0:ffff:dd5a:2b6c
221.90.43.109 0:0:0:0:0:ffff:dd5a:2b6d
221.90.43.110 0:0:0:0:0:ffff:dd5a:2b6e
221.90.43.111 0:0:0:0:0:ffff:dd5a:2b6f
221.90.43.112 0:0:0:0:0:ffff:dd5a:2b70
221.90.43.113 0:0:0:0:0:ffff:dd5a:2b71
221.90.43.114 0:0:0:0:0:ffff:dd5a:2b72
221.90.43.115 0:0:0:0:0:ffff:dd5a:2b73
221.90.43.116 0:0:0:0:0:ffff:dd5a:2b74
221.90.43.117 0:0:0:0:0:ffff:dd5a:2b75
221.90.43.118 0:0:0:0:0:ffff:dd5a:2b76
221.90.43.119 0:0:0:0:0:ffff:dd5a:2b77
221.90.43.120 0:0:0:0:0:ffff:dd5a:2b78


221.90.43.121 0:0:0:0:0:ffff:dd5a:2b79
221.90.43.122 0:0:0:0:0:ffff:dd5a:2b7a
221.90.43.123 0:0:0:0:0:ffff:dd5a:2b7b
221.90.43.124 0:0:0:0:0:ffff:dd5a:2b7c
221.90.43.125 0:0:0:0:0:ffff:dd5a:2b7d
221.90.43.126 0:0:0:0:0:ffff:dd5a:2b7e
221.90.43.127 0:0:0:0:0:ffff:dd5a:2b7f
221.90.43.128 0:0:0:0:0:ffff:dd5a:2b80
221.90.43.129 0:0:0:0:0:ffff:dd5a:2b81
221.90.43.130 0:0:0:0:0:ffff:dd5a:2b82
221.90.43.131 0:0:0:0:0:ffff:dd5a:2b83
221.90.43.132 0:0:0:0:0:ffff:dd5a:2b84
221.90.43.133 0:0:0:0:0:ffff:dd5a:2b85
221.90.43.134 0:0:0:0:0:ffff:dd5a:2b86
221.90.43.135 0:0:0:0:0:ffff:dd5a:2b87
221.90.43.136 0:0:0:0:0:ffff:dd5a:2b88
221.90.43.137 0:0:0:0:0:ffff:dd5a:2b89
221.90.43.138 0:0:0:0:0:ffff:dd5a:2b8a
221.90.43.139 0:0:0:0:0:ffff:dd5a:2b8b
221.90.43.140 0:0:0:0:0:ffff:dd5a:2b8c
221.90.43.141 0:0:0:0:0:ffff:dd5a:2b8d
221.90.43.142 0:0:0:0:0:ffff:dd5a:2b8e
221.90.43.143 0:0:0:0:0:ffff:dd5a:2b8f
221.90.43.144 0:0:0:0:0:ffff:dd5a:2b90
221.90.43.145 0:0:0:0:0:ffff:dd5a:2b91
221.90.43.146 0:0:0:0:0:ffff:dd5a:2b92
221.90.43.147 0:0:0:0:0:ffff:dd5a:2b93
221.90.43.148 0:0:0:0:0:ffff:dd5a:2b94
221.90.43.149 0:0:0:0:0:ffff:dd5a:2b95
221.90.43.150 0:0:0:0:0:ffff:dd5a:2b96
221.90.43.151 0:0:0:0:0:ffff:dd5a:2b97
221.90.43.152 0:0:0:0:0:ffff:dd5a:2b98
221.90.43.153 0:0:0:0:0:ffff:dd5a:2b99
221.90.43.154 0:0:0:0:0:ffff:dd5a:2b9a
221.90.43.155 0:0:0:0:0:ffff:dd5a:2b9b
221.90.43.156 0:0:0:0:0:ffff:dd5a:2b9c
221.90.43.157 0:0:0:0:0:ffff:dd5a:2b9d
221.90.43.158 0:0:0:0:0:ffff:dd5a:2b9e
221.90.43.159 0:0:0:0:0:ffff:dd5a:2b9f
221.90.43.160 0:0:0:0:0:ffff:dd5a:2ba0
221.90.43.161 0:0:0:0:0:ffff:dd5a:2ba1
221.90.43.162 0:0:0:0:0:ffff:dd5a:2ba2
221.90.43.163 0:0:0:0:0:ffff:dd5a:2ba3
221.90.43.164 0:0:0:0:0:ffff:dd5a:2ba4
221.90.43.165 0:0:0:0:0:ffff:dd5a:2ba5
221.90.43.166 0:0:0:0:0:ffff:dd5a:2ba6
221.90.43.167 0:0:0:0:0:ffff:dd5a:2ba7
221.90.43.168 0:0:0:0:0:ffff:dd5a:2ba8
221.90.43.169 0:0:0:0:0:ffff:dd5a:2ba9
221.90.43.170 0:0:0:0:0:ffff:dd5a:2baa
221.90.43.171 0:0:0:0:0:ffff:dd5a:2bab
221.90.43.172 0:0:0:0:0:ffff:dd5a:2bac
221.90.43.173 0:0:0:0:0:ffff:dd5a:2bad
221.90.43.174 0:0:0:0:0:ffff:dd5a:2bae
221.90.43.175 0:0:0:0:0:ffff:dd5a:2baf
221.90.43.176 0:0:0:0:0:ffff:dd5a:2bb0
221.90.43.177 0:0:0:0:0:ffff:dd5a:2bb1
221.90.43.178 0:0:0:0:0:ffff:dd5a:2bb2
221.90.43.179 0:0:0:0:0:ffff:dd5a:2bb3
221.90.43.180 0:0:0:0:0:ffff:dd5a:2bb4


221.90.43.181 0:0:0:0:0:ffff:dd5a:2bb5
221.90.43.182 0:0:0:0:0:ffff:dd5a:2bb6
221.90.43.183 0:0:0:0:0:ffff:dd5a:2bb7
221.90.43.184 0:0:0:0:0:ffff:dd5a:2bb8
221.90.43.185 0:0:0:0:0:ffff:dd5a:2bb9
221.90.43.186 0:0:0:0:0:ffff:dd5a:2bba
221.90.43.187 0:0:0:0:0:ffff:dd5a:2bbb
221.90.43.188 0:0:0:0:0:ffff:dd5a:2bbc
221.90.43.189 0:0:0:0:0:ffff:dd5a:2bbd
221.90.43.190 0:0:0:0:0:ffff:dd5a:2bbe
221.90.43.191 0:0:0:0:0:ffff:dd5a:2bbf
221.90.43.192 0:0:0:0:0:ffff:dd5a:2bc0
221.90.43.193 0:0:0:0:0:ffff:dd5a:2bc1
221.90.43.194 0:0:0:0:0:ffff:dd5a:2bc2
221.90.43.195 0:0:0:0:0:ffff:dd5a:2bc3
221.90.43.196 0:0:0:0:0:ffff:dd5a:2bc4
221.90.43.197 0:0:0:0:0:ffff:dd5a:2bc5
221.90.43.198 0:0:0:0:0:ffff:dd5a:2bc6
221.90.43.199 0:0:0:0:0:ffff:dd5a:2bc7
221.90.43.200 0:0:0:0:0:ffff:dd5a:2bc8
221.90.43.201 0:0:0:0:0:ffff:dd5a:2bc9
221.90.43.202 0:0:0:0:0:ffff:dd5a:2bca
221.90.43.203 0:0:0:0:0:ffff:dd5a:2bcb
221.90.43.204 0:0:0:0:0:ffff:dd5a:2bcc
221.90.43.205 0:0:0:0:0:ffff:dd5a:2bcd
221.90.43.206 0:0:0:0:0:ffff:dd5a:2bce
221.90.43.207 0:0:0:0:0:ffff:dd5a:2bcf
221.90.43.208 0:0:0:0:0:ffff:dd5a:2bd0
221.90.43.209 0:0:0:0:0:ffff:dd5a:2bd1
221.90.43.210 0:0:0:0:0:ffff:dd5a:2bd2
221.90.43.211 0:0:0:0:0:ffff:dd5a:2bd3
221.90.43.212 0:0:0:0:0:ffff:dd5a:2bd4
221.90.43.213 0:0:0:0:0:ffff:dd5a:2bd5
221.90.43.214 0:0:0:0:0:ffff:dd5a:2bd6
221.90.43.215 0:0:0:0:0:ffff:dd5a:2bd7
221.90.43.216 0:0:0:0:0:ffff:dd5a:2bd8
221.90.43.217 0:0:0:0:0:ffff:dd5a:2bd9
221.90.43.218 0:0:0:0:0:ffff:dd5a:2bda
221.90.43.219 0:0:0:0:0:ffff:dd5a:2bdb
221.90.43.220 0:0:0:0:0:ffff:dd5a:2bdc
221.90.43.221 0:0:0:0:0:ffff:dd5a:2bdd
221.90.43.222 0:0:0:0:0:ffff:dd5a:2bde
221.90.43.223 0:0:0:0:0:ffff:dd5a:2bdf
221.90.43.224 0:0:0:0:0:ffff:dd5a:2be0
221.90.43.225 0:0:0:0:0:ffff:dd5a:2be1
221.90.43.226 0:0:0:0:0:ffff:dd5a:2be2
221.90.43.227 0:0:0:0:0:ffff:dd5a:2be3
221.90.43.228 0:0:0:0:0:ffff:dd5a:2be4
221.90.43.229 0:0:0:0:0:ffff:dd5a:2be5
221.90.43.230 0:0:0:0:0:ffff:dd5a:2be6
221.90.43.231 0:0:0:0:0:ffff:dd5a:2be7
221.90.43.232 0:0:0:0:0:ffff:dd5a:2be8
221.90.43.233 0:0:0:0:0:ffff:dd5a:2be9
221.90.43.234 0:0:0:0:0:ffff:dd5a:2bea
221.90.43.235 0:0:0:0:0:ffff:dd5a:2beb
221.90.43.236 0:0:0:0:0:ffff:dd5a:2bec
221.90.43.237 0:0:0:0:0:ffff:dd5a:2bed
221.90.43.238 0:0:0:0:0:ffff:dd5a:2bee
221.90.43.239 0:0:0:0:0:ffff:dd5a:2bef
221.90.43.240 0:0:0:0:0:ffff:dd5a:2bf0
221.90.43.241 0:0:0:0:0:ffff:dd5a:2bf1
221.90.43.242 0:0:0:0:0:ffff:dd5a:2bf2
221.90.43.243 0:0:0:0:0:ffff:dd5a:2bf3
221.90.43.244 0:0:0:0:0:ffff:dd5a:2bf4
221.90.43.245 0:0:0:0:0:ffff:dd5a:2bf5
221.90.43.246 0:0:0:0:0:ffff:dd5a:2bf6
221.90.43.247 0:0:0:0:0:ffff:dd5a:2bf7
221.90.43.248 0:0:0:0:0:ffff:dd5a:2bf8
221.90.43.249 0:0:0:0:0:ffff:dd5a:2bf9
221.90.43.250 0:0:0:0:0:ffff:dd5a:2bfa
221.90.43.251 0:0:0:0:0:ffff:dd5a:2bfb
221.90.43.252 0:0:0:0:0:ffff:dd5a:2bfc
221.90.43.253 0:0:0:0:0:ffff:dd5a:2bfd
221.90.43.254 0:0:0:0:0:ffff:dd5a:2bfe
221.90.43.255 0:0:0:0:0:ffff:dd5a:2bff


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.