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
144.21.43.1 0:0:0:0:0:ffff:9015:2b01
144.21.43.2 0:0:0:0:0:ffff:9015:2b02
144.21.43.3 0:0:0:0:0:ffff:9015:2b03
144.21.43.4 0:0:0:0:0:ffff:9015:2b04
144.21.43.5 0:0:0:0:0:ffff:9015:2b05
144.21.43.6 0:0:0:0:0:ffff:9015:2b06
144.21.43.7 0:0:0:0:0:ffff:9015:2b07
144.21.43.8 0:0:0:0:0:ffff:9015:2b08
144.21.43.9 0:0:0:0:0:ffff:9015:2b09
144.21.43.10 0:0:0:0:0:ffff:9015:2b0a
144.21.43.11 0:0:0:0:0:ffff:9015:2b0b
144.21.43.12 0:0:0:0:0:ffff:9015:2b0c
144.21.43.13 0:0:0:0:0:ffff:9015:2b0d
144.21.43.14 0:0:0:0:0:ffff:9015:2b0e
144.21.43.15 0:0:0:0:0:ffff:9015:2b0f
144.21.43.16 0:0:0:0:0:ffff:9015:2b10
144.21.43.17 0:0:0:0:0:ffff:9015:2b11
144.21.43.18 0:0:0:0:0:ffff:9015:2b12
144.21.43.19 0:0:0:0:0:ffff:9015:2b13
144.21.43.20 0:0:0:0:0:ffff:9015:2b14
144.21.43.21 0:0:0:0:0:ffff:9015:2b15
144.21.43.22 0:0:0:0:0:ffff:9015:2b16
144.21.43.23 0:0:0:0:0:ffff:9015:2b17
144.21.43.24 0:0:0:0:0:ffff:9015:2b18
144.21.43.25 0:0:0:0:0:ffff:9015:2b19
144.21.43.26 0:0:0:0:0:ffff:9015:2b1a
144.21.43.27 0:0:0:0:0:ffff:9015:2b1b
144.21.43.28 0:0:0:0:0:ffff:9015:2b1c
144.21.43.29 0:0:0:0:0:ffff:9015:2b1d
144.21.43.30 0:0:0:0:0:ffff:9015:2b1e
144.21.43.31 0:0:0:0:0:ffff:9015:2b1f
144.21.43.32 0:0:0:0:0:ffff:9015:2b20
144.21.43.33 0:0:0:0:0:ffff:9015:2b21
144.21.43.34 0:0:0:0:0:ffff:9015:2b22
144.21.43.35 0:0:0:0:0:ffff:9015:2b23
144.21.43.36 0:0:0:0:0:ffff:9015:2b24
144.21.43.37 0:0:0:0:0:ffff:9015:2b25
144.21.43.38 0:0:0:0:0:ffff:9015:2b26
144.21.43.39 0:0:0:0:0:ffff:9015:2b27
144.21.43.40 0:0:0:0:0:ffff:9015:2b28
144.21.43.41 0:0:0:0:0:ffff:9015:2b29
144.21.43.42 0:0:0:0:0:ffff:9015:2b2a
144.21.43.43 0:0:0:0:0:ffff:9015:2b2b
144.21.43.44 0:0:0:0:0:ffff:9015:2b2c
144.21.43.45 0:0:0:0:0:ffff:9015:2b2d
144.21.43.46 0:0:0:0:0:ffff:9015:2b2e
144.21.43.47 0:0:0:0:0:ffff:9015:2b2f
144.21.43.48 0:0:0:0:0:ffff:9015:2b30
144.21.43.49 0:0:0:0:0:ffff:9015:2b31
144.21.43.50 0:0:0:0:0:ffff:9015:2b32
144.21.43.51 0:0:0:0:0:ffff:9015:2b33
144.21.43.52 0:0:0:0:0:ffff:9015:2b34
144.21.43.53 0:0:0:0:0:ffff:9015:2b35
144.21.43.54 0:0:0:0:0:ffff:9015:2b36
144.21.43.55 0:0:0:0:0:ffff:9015:2b37
144.21.43.56 0:0:0:0:0:ffff:9015:2b38
144.21.43.57 0:0:0:0:0:ffff:9015:2b39
144.21.43.58 0:0:0:0:0:ffff:9015:2b3a
144.21.43.59 0:0:0:0:0:ffff:9015:2b3b
144.21.43.60 0:0:0:0:0:ffff:9015:2b3c


144.21.43.61 0:0:0:0:0:ffff:9015:2b3d
144.21.43.62 0:0:0:0:0:ffff:9015:2b3e
144.21.43.63 0:0:0:0:0:ffff:9015:2b3f
144.21.43.64 0:0:0:0:0:ffff:9015:2b40
144.21.43.65 0:0:0:0:0:ffff:9015:2b41
144.21.43.66 0:0:0:0:0:ffff:9015:2b42
144.21.43.67 0:0:0:0:0:ffff:9015:2b43
144.21.43.68 0:0:0:0:0:ffff:9015:2b44
144.21.43.69 0:0:0:0:0:ffff:9015:2b45
144.21.43.70 0:0:0:0:0:ffff:9015:2b46
144.21.43.71 0:0:0:0:0:ffff:9015:2b47
144.21.43.72 0:0:0:0:0:ffff:9015:2b48
144.21.43.73 0:0:0:0:0:ffff:9015:2b49
144.21.43.74 0:0:0:0:0:ffff:9015:2b4a
144.21.43.75 0:0:0:0:0:ffff:9015:2b4b
144.21.43.76 0:0:0:0:0:ffff:9015:2b4c
144.21.43.77 0:0:0:0:0:ffff:9015:2b4d
144.21.43.78 0:0:0:0:0:ffff:9015:2b4e
144.21.43.79 0:0:0:0:0:ffff:9015:2b4f
144.21.43.80 0:0:0:0:0:ffff:9015:2b50
144.21.43.81 0:0:0:0:0:ffff:9015:2b51
144.21.43.82 0:0:0:0:0:ffff:9015:2b52
144.21.43.83 0:0:0:0:0:ffff:9015:2b53
144.21.43.84 0:0:0:0:0:ffff:9015:2b54
144.21.43.85 0:0:0:0:0:ffff:9015:2b55
144.21.43.86 0:0:0:0:0:ffff:9015:2b56
144.21.43.87 0:0:0:0:0:ffff:9015:2b57
144.21.43.88 0:0:0:0:0:ffff:9015:2b58
144.21.43.89 0:0:0:0:0:ffff:9015:2b59
144.21.43.90 0:0:0:0:0:ffff:9015:2b5a
144.21.43.91 0:0:0:0:0:ffff:9015:2b5b
144.21.43.92 0:0:0:0:0:ffff:9015:2b5c
144.21.43.93 0:0:0:0:0:ffff:9015:2b5d
144.21.43.94 0:0:0:0:0:ffff:9015:2b5e
144.21.43.95 0:0:0:0:0:ffff:9015:2b5f
144.21.43.96 0:0:0:0:0:ffff:9015:2b60
144.21.43.97 0:0:0:0:0:ffff:9015:2b61
144.21.43.98 0:0:0:0:0:ffff:9015:2b62
144.21.43.99 0:0:0:0:0:ffff:9015:2b63
144.21.43.100 0:0:0:0:0:ffff:9015:2b64
144.21.43.101 0:0:0:0:0:ffff:9015:2b65
144.21.43.102 0:0:0:0:0:ffff:9015:2b66
144.21.43.103 0:0:0:0:0:ffff:9015:2b67
144.21.43.104 0:0:0:0:0:ffff:9015:2b68
144.21.43.105 0:0:0:0:0:ffff:9015:2b69
144.21.43.106 0:0:0:0:0:ffff:9015:2b6a
144.21.43.107 0:0:0:0:0:ffff:9015:2b6b
144.21.43.108 0:0:0:0:0:ffff:9015:2b6c
144.21.43.109 0:0:0:0:0:ffff:9015:2b6d
144.21.43.110 0:0:0:0:0:ffff:9015:2b6e
144.21.43.111 0:0:0:0:0:ffff:9015:2b6f
144.21.43.112 0:0:0:0:0:ffff:9015:2b70
144.21.43.113 0:0:0:0:0:ffff:9015:2b71
144.21.43.114 0:0:0:0:0:ffff:9015:2b72
144.21.43.115 0:0:0:0:0:ffff:9015:2b73
144.21.43.116 0:0:0:0:0:ffff:9015:2b74
144.21.43.117 0:0:0:0:0:ffff:9015:2b75
144.21.43.118 0:0:0:0:0:ffff:9015:2b76
144.21.43.119 0:0:0:0:0:ffff:9015:2b77
144.21.43.120 0:0:0:0:0:ffff:9015:2b78


144.21.43.121 0:0:0:0:0:ffff:9015:2b79
144.21.43.122 0:0:0:0:0:ffff:9015:2b7a
144.21.43.123 0:0:0:0:0:ffff:9015:2b7b
144.21.43.124 0:0:0:0:0:ffff:9015:2b7c
144.21.43.125 0:0:0:0:0:ffff:9015:2b7d
144.21.43.126 0:0:0:0:0:ffff:9015:2b7e
144.21.43.127 0:0:0:0:0:ffff:9015:2b7f
144.21.43.128 0:0:0:0:0:ffff:9015:2b80
144.21.43.129 0:0:0:0:0:ffff:9015:2b81
144.21.43.130 0:0:0:0:0:ffff:9015:2b82
144.21.43.131 0:0:0:0:0:ffff:9015:2b83
144.21.43.132 0:0:0:0:0:ffff:9015:2b84
144.21.43.133 0:0:0:0:0:ffff:9015:2b85
144.21.43.134 0:0:0:0:0:ffff:9015:2b86
144.21.43.135 0:0:0:0:0:ffff:9015:2b87
144.21.43.136 0:0:0:0:0:ffff:9015:2b88
144.21.43.137 0:0:0:0:0:ffff:9015:2b89
144.21.43.138 0:0:0:0:0:ffff:9015:2b8a
144.21.43.139 0:0:0:0:0:ffff:9015:2b8b
144.21.43.140 0:0:0:0:0:ffff:9015:2b8c
144.21.43.141 0:0:0:0:0:ffff:9015:2b8d
144.21.43.142 0:0:0:0:0:ffff:9015:2b8e
144.21.43.143 0:0:0:0:0:ffff:9015:2b8f
144.21.43.144 0:0:0:0:0:ffff:9015:2b90
144.21.43.145 0:0:0:0:0:ffff:9015:2b91
144.21.43.146 0:0:0:0:0:ffff:9015:2b92
144.21.43.147 0:0:0:0:0:ffff:9015:2b93
144.21.43.148 0:0:0:0:0:ffff:9015:2b94
144.21.43.149 0:0:0:0:0:ffff:9015:2b95
144.21.43.150 0:0:0:0:0:ffff:9015:2b96
144.21.43.151 0:0:0:0:0:ffff:9015:2b97
144.21.43.152 0:0:0:0:0:ffff:9015:2b98
144.21.43.153 0:0:0:0:0:ffff:9015:2b99
144.21.43.154 0:0:0:0:0:ffff:9015:2b9a
144.21.43.155 0:0:0:0:0:ffff:9015:2b9b
144.21.43.156 0:0:0:0:0:ffff:9015:2b9c
144.21.43.157 0:0:0:0:0:ffff:9015:2b9d
144.21.43.158 0:0:0:0:0:ffff:9015:2b9e
144.21.43.159 0:0:0:0:0:ffff:9015:2b9f
144.21.43.160 0:0:0:0:0:ffff:9015:2ba0
144.21.43.161 0:0:0:0:0:ffff:9015:2ba1
144.21.43.162 0:0:0:0:0:ffff:9015:2ba2
144.21.43.163 0:0:0:0:0:ffff:9015:2ba3
144.21.43.164 0:0:0:0:0:ffff:9015:2ba4
144.21.43.165 0:0:0:0:0:ffff:9015:2ba5
144.21.43.166 0:0:0:0:0:ffff:9015:2ba6
144.21.43.167 0:0:0:0:0:ffff:9015:2ba7
144.21.43.168 0:0:0:0:0:ffff:9015:2ba8
144.21.43.169 0:0:0:0:0:ffff:9015:2ba9
144.21.43.170 0:0:0:0:0:ffff:9015:2baa
144.21.43.171 0:0:0:0:0:ffff:9015:2bab
144.21.43.172 0:0:0:0:0:ffff:9015:2bac
144.21.43.173 0:0:0:0:0:ffff:9015:2bad
144.21.43.174 0:0:0:0:0:ffff:9015:2bae
144.21.43.175 0:0:0:0:0:ffff:9015:2baf
144.21.43.176 0:0:0:0:0:ffff:9015:2bb0
144.21.43.177 0:0:0:0:0:ffff:9015:2bb1
144.21.43.178 0:0:0:0:0:ffff:9015:2bb2
144.21.43.179 0:0:0:0:0:ffff:9015:2bb3
144.21.43.180 0:0:0:0:0:ffff:9015:2bb4


144.21.43.181 0:0:0:0:0:ffff:9015:2bb5
144.21.43.182 0:0:0:0:0:ffff:9015:2bb6
144.21.43.183 0:0:0:0:0:ffff:9015:2bb7
144.21.43.184 0:0:0:0:0:ffff:9015:2bb8
144.21.43.185 0:0:0:0:0:ffff:9015:2bb9
144.21.43.186 0:0:0:0:0:ffff:9015:2bba
144.21.43.187 0:0:0:0:0:ffff:9015:2bbb
144.21.43.188 0:0:0:0:0:ffff:9015:2bbc
144.21.43.189 0:0:0:0:0:ffff:9015:2bbd
144.21.43.190 0:0:0:0:0:ffff:9015:2bbe
144.21.43.191 0:0:0:0:0:ffff:9015:2bbf
144.21.43.192 0:0:0:0:0:ffff:9015:2bc0
144.21.43.193 0:0:0:0:0:ffff:9015:2bc1
144.21.43.194 0:0:0:0:0:ffff:9015:2bc2
144.21.43.195 0:0:0:0:0:ffff:9015:2bc3
144.21.43.196 0:0:0:0:0:ffff:9015:2bc4
144.21.43.197 0:0:0:0:0:ffff:9015:2bc5
144.21.43.198 0:0:0:0:0:ffff:9015:2bc6
144.21.43.199 0:0:0:0:0:ffff:9015:2bc7
144.21.43.200 0:0:0:0:0:ffff:9015:2bc8
144.21.43.201 0:0:0:0:0:ffff:9015:2bc9
144.21.43.202 0:0:0:0:0:ffff:9015:2bca
144.21.43.203 0:0:0:0:0:ffff:9015:2bcb
144.21.43.204 0:0:0:0:0:ffff:9015:2bcc
144.21.43.205 0:0:0:0:0:ffff:9015:2bcd
144.21.43.206 0:0:0:0:0:ffff:9015:2bce
144.21.43.207 0:0:0:0:0:ffff:9015:2bcf
144.21.43.208 0:0:0:0:0:ffff:9015:2bd0
144.21.43.209 0:0:0:0:0:ffff:9015:2bd1
144.21.43.210 0:0:0:0:0:ffff:9015:2bd2
144.21.43.211 0:0:0:0:0:ffff:9015:2bd3
144.21.43.212 0:0:0:0:0:ffff:9015:2bd4
144.21.43.213 0:0:0:0:0:ffff:9015:2bd5
144.21.43.214 0:0:0:0:0:ffff:9015:2bd6
144.21.43.215 0:0:0:0:0:ffff:9015:2bd7
144.21.43.216 0:0:0:0:0:ffff:9015:2bd8
144.21.43.217 0:0:0:0:0:ffff:9015:2bd9
144.21.43.218 0:0:0:0:0:ffff:9015:2bda
144.21.43.219 0:0:0:0:0:ffff:9015:2bdb
144.21.43.220 0:0:0:0:0:ffff:9015:2bdc
144.21.43.221 0:0:0:0:0:ffff:9015:2bdd
144.21.43.222 0:0:0:0:0:ffff:9015:2bde
144.21.43.223 0:0:0:0:0:ffff:9015:2bdf
144.21.43.224 0:0:0:0:0:ffff:9015:2be0
144.21.43.225 0:0:0:0:0:ffff:9015:2be1
144.21.43.226 0:0:0:0:0:ffff:9015:2be2
144.21.43.227 0:0:0:0:0:ffff:9015:2be3
144.21.43.228 0:0:0:0:0:ffff:9015:2be4
144.21.43.229 0:0:0:0:0:ffff:9015:2be5
144.21.43.230 0:0:0:0:0:ffff:9015:2be6
144.21.43.231 0:0:0:0:0:ffff:9015:2be7
144.21.43.232 0:0:0:0:0:ffff:9015:2be8
144.21.43.233 0:0:0:0:0:ffff:9015:2be9
144.21.43.234 0:0:0:0:0:ffff:9015:2bea
144.21.43.235 0:0:0:0:0:ffff:9015:2beb
144.21.43.236 0:0:0:0:0:ffff:9015:2bec
144.21.43.237 0:0:0:0:0:ffff:9015:2bed
144.21.43.238 0:0:0:0:0:ffff:9015:2bee
144.21.43.239 0:0:0:0:0:ffff:9015:2bef
144.21.43.240 0:0:0:0:0:ffff:9015:2bf0
144.21.43.241 0:0:0:0:0:ffff:9015:2bf1
144.21.43.242 0:0:0:0:0:ffff:9015:2bf2
144.21.43.243 0:0:0:0:0:ffff:9015:2bf3
144.21.43.244 0:0:0:0:0:ffff:9015:2bf4
144.21.43.245 0:0:0:0:0:ffff:9015:2bf5
144.21.43.246 0:0:0:0:0:ffff:9015:2bf6
144.21.43.247 0:0:0:0:0:ffff:9015:2bf7
144.21.43.248 0:0:0:0:0:ffff:9015:2bf8
144.21.43.249 0:0:0:0:0:ffff:9015:2bf9
144.21.43.250 0:0:0:0:0:ffff:9015:2bfa
144.21.43.251 0:0:0:0:0:ffff:9015:2bfb
144.21.43.252 0:0:0:0:0:ffff:9015:2bfc
144.21.43.253 0:0:0:0:0:ffff:9015:2bfd
144.21.43.254 0:0:0:0:0:ffff:9015:2bfe
144.21.43.255 0:0:0:0:0:ffff:9015:2bff


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.