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
144.21.13.1 0:0:0:0:0:ffff:9015:d01
144.21.13.2 0:0:0:0:0:ffff:9015:d02
144.21.13.3 0:0:0:0:0:ffff:9015:d03
144.21.13.4 0:0:0:0:0:ffff:9015:d04
144.21.13.5 0:0:0:0:0:ffff:9015:d05
144.21.13.6 0:0:0:0:0:ffff:9015:d06
144.21.13.7 0:0:0:0:0:ffff:9015:d07
144.21.13.8 0:0:0:0:0:ffff:9015:d08
144.21.13.9 0:0:0:0:0:ffff:9015:d09
144.21.13.10 0:0:0:0:0:ffff:9015:d0a
144.21.13.11 0:0:0:0:0:ffff:9015:d0b
144.21.13.12 0:0:0:0:0:ffff:9015:d0c
144.21.13.13 0:0:0:0:0:ffff:9015:d0d
144.21.13.14 0:0:0:0:0:ffff:9015:d0e
144.21.13.15 0:0:0:0:0:ffff:9015:d0f
144.21.13.16 0:0:0:0:0:ffff:9015:d10
144.21.13.17 0:0:0:0:0:ffff:9015:d11
144.21.13.18 0:0:0:0:0:ffff:9015:d12
144.21.13.19 0:0:0:0:0:ffff:9015:d13
144.21.13.20 0:0:0:0:0:ffff:9015:d14
144.21.13.21 0:0:0:0:0:ffff:9015:d15
144.21.13.22 0:0:0:0:0:ffff:9015:d16
144.21.13.23 0:0:0:0:0:ffff:9015:d17
144.21.13.24 0:0:0:0:0:ffff:9015:d18
144.21.13.25 0:0:0:0:0:ffff:9015:d19
144.21.13.26 0:0:0:0:0:ffff:9015:d1a
144.21.13.27 0:0:0:0:0:ffff:9015:d1b
144.21.13.28 0:0:0:0:0:ffff:9015:d1c
144.21.13.29 0:0:0:0:0:ffff:9015:d1d
144.21.13.30 0:0:0:0:0:ffff:9015:d1e
144.21.13.31 0:0:0:0:0:ffff:9015:d1f
144.21.13.32 0:0:0:0:0:ffff:9015:d20
144.21.13.33 0:0:0:0:0:ffff:9015:d21
144.21.13.34 0:0:0:0:0:ffff:9015:d22
144.21.13.35 0:0:0:0:0:ffff:9015:d23
144.21.13.36 0:0:0:0:0:ffff:9015:d24
144.21.13.37 0:0:0:0:0:ffff:9015:d25
144.21.13.38 0:0:0:0:0:ffff:9015:d26
144.21.13.39 0:0:0:0:0:ffff:9015:d27
144.21.13.40 0:0:0:0:0:ffff:9015:d28
144.21.13.41 0:0:0:0:0:ffff:9015:d29
144.21.13.42 0:0:0:0:0:ffff:9015:d2a
144.21.13.43 0:0:0:0:0:ffff:9015:d2b
144.21.13.44 0:0:0:0:0:ffff:9015:d2c
144.21.13.45 0:0:0:0:0:ffff:9015:d2d
144.21.13.46 0:0:0:0:0:ffff:9015:d2e
144.21.13.47 0:0:0:0:0:ffff:9015:d2f
144.21.13.48 0:0:0:0:0:ffff:9015:d30
144.21.13.49 0:0:0:0:0:ffff:9015:d31
144.21.13.50 0:0:0:0:0:ffff:9015:d32
144.21.13.51 0:0:0:0:0:ffff:9015:d33
144.21.13.52 0:0:0:0:0:ffff:9015:d34
144.21.13.53 0:0:0:0:0:ffff:9015:d35
144.21.13.54 0:0:0:0:0:ffff:9015:d36
144.21.13.55 0:0:0:0:0:ffff:9015:d37
144.21.13.56 0:0:0:0:0:ffff:9015:d38
144.21.13.57 0:0:0:0:0:ffff:9015:d39
144.21.13.58 0:0:0:0:0:ffff:9015:d3a
144.21.13.59 0:0:0:0:0:ffff:9015:d3b
144.21.13.60 0:0:0:0:0:ffff:9015:d3c


144.21.13.61 0:0:0:0:0:ffff:9015:d3d
144.21.13.62 0:0:0:0:0:ffff:9015:d3e
144.21.13.63 0:0:0:0:0:ffff:9015:d3f
144.21.13.64 0:0:0:0:0:ffff:9015:d40
144.21.13.65 0:0:0:0:0:ffff:9015:d41
144.21.13.66 0:0:0:0:0:ffff:9015:d42
144.21.13.67 0:0:0:0:0:ffff:9015:d43
144.21.13.68 0:0:0:0:0:ffff:9015:d44
144.21.13.69 0:0:0:0:0:ffff:9015:d45
144.21.13.70 0:0:0:0:0:ffff:9015:d46
144.21.13.71 0:0:0:0:0:ffff:9015:d47
144.21.13.72 0:0:0:0:0:ffff:9015:d48
144.21.13.73 0:0:0:0:0:ffff:9015:d49
144.21.13.74 0:0:0:0:0:ffff:9015:d4a
144.21.13.75 0:0:0:0:0:ffff:9015:d4b
144.21.13.76 0:0:0:0:0:ffff:9015:d4c
144.21.13.77 0:0:0:0:0:ffff:9015:d4d
144.21.13.78 0:0:0:0:0:ffff:9015:d4e
144.21.13.79 0:0:0:0:0:ffff:9015:d4f
144.21.13.80 0:0:0:0:0:ffff:9015:d50
144.21.13.81 0:0:0:0:0:ffff:9015:d51
144.21.13.82 0:0:0:0:0:ffff:9015:d52
144.21.13.83 0:0:0:0:0:ffff:9015:d53
144.21.13.84 0:0:0:0:0:ffff:9015:d54
144.21.13.85 0:0:0:0:0:ffff:9015:d55
144.21.13.86 0:0:0:0:0:ffff:9015:d56
144.21.13.87 0:0:0:0:0:ffff:9015:d57
144.21.13.88 0:0:0:0:0:ffff:9015:d58
144.21.13.89 0:0:0:0:0:ffff:9015:d59
144.21.13.90 0:0:0:0:0:ffff:9015:d5a
144.21.13.91 0:0:0:0:0:ffff:9015:d5b
144.21.13.92 0:0:0:0:0:ffff:9015:d5c
144.21.13.93 0:0:0:0:0:ffff:9015:d5d
144.21.13.94 0:0:0:0:0:ffff:9015:d5e
144.21.13.95 0:0:0:0:0:ffff:9015:d5f
144.21.13.96 0:0:0:0:0:ffff:9015:d60
144.21.13.97 0:0:0:0:0:ffff:9015:d61
144.21.13.98 0:0:0:0:0:ffff:9015:d62
144.21.13.99 0:0:0:0:0:ffff:9015:d63
144.21.13.100 0:0:0:0:0:ffff:9015:d64
144.21.13.101 0:0:0:0:0:ffff:9015:d65
144.21.13.102 0:0:0:0:0:ffff:9015:d66
144.21.13.103 0:0:0:0:0:ffff:9015:d67
144.21.13.104 0:0:0:0:0:ffff:9015:d68
144.21.13.105 0:0:0:0:0:ffff:9015:d69
144.21.13.106 0:0:0:0:0:ffff:9015:d6a
144.21.13.107 0:0:0:0:0:ffff:9015:d6b
144.21.13.108 0:0:0:0:0:ffff:9015:d6c
144.21.13.109 0:0:0:0:0:ffff:9015:d6d
144.21.13.110 0:0:0:0:0:ffff:9015:d6e
144.21.13.111 0:0:0:0:0:ffff:9015:d6f
144.21.13.112 0:0:0:0:0:ffff:9015:d70
144.21.13.113 0:0:0:0:0:ffff:9015:d71
144.21.13.114 0:0:0:0:0:ffff:9015:d72
144.21.13.115 0:0:0:0:0:ffff:9015:d73
144.21.13.116 0:0:0:0:0:ffff:9015:d74
144.21.13.117 0:0:0:0:0:ffff:9015:d75
144.21.13.118 0:0:0:0:0:ffff:9015:d76
144.21.13.119 0:0:0:0:0:ffff:9015:d77
144.21.13.120 0:0:0:0:0:ffff:9015:d78


144.21.13.121 0:0:0:0:0:ffff:9015:d79
144.21.13.122 0:0:0:0:0:ffff:9015:d7a
144.21.13.123 0:0:0:0:0:ffff:9015:d7b
144.21.13.124 0:0:0:0:0:ffff:9015:d7c
144.21.13.125 0:0:0:0:0:ffff:9015:d7d
144.21.13.126 0:0:0:0:0:ffff:9015:d7e
144.21.13.127 0:0:0:0:0:ffff:9015:d7f
144.21.13.128 0:0:0:0:0:ffff:9015:d80
144.21.13.129 0:0:0:0:0:ffff:9015:d81
144.21.13.130 0:0:0:0:0:ffff:9015:d82
144.21.13.131 0:0:0:0:0:ffff:9015:d83
144.21.13.132 0:0:0:0:0:ffff:9015:d84
144.21.13.133 0:0:0:0:0:ffff:9015:d85
144.21.13.134 0:0:0:0:0:ffff:9015:d86
144.21.13.135 0:0:0:0:0:ffff:9015:d87
144.21.13.136 0:0:0:0:0:ffff:9015:d88
144.21.13.137 0:0:0:0:0:ffff:9015:d89
144.21.13.138 0:0:0:0:0:ffff:9015:d8a
144.21.13.139 0:0:0:0:0:ffff:9015:d8b
144.21.13.140 0:0:0:0:0:ffff:9015:d8c
144.21.13.141 0:0:0:0:0:ffff:9015:d8d
144.21.13.142 0:0:0:0:0:ffff:9015:d8e
144.21.13.143 0:0:0:0:0:ffff:9015:d8f
144.21.13.144 0:0:0:0:0:ffff:9015:d90
144.21.13.145 0:0:0:0:0:ffff:9015:d91
144.21.13.146 0:0:0:0:0:ffff:9015:d92
144.21.13.147 0:0:0:0:0:ffff:9015:d93
144.21.13.148 0:0:0:0:0:ffff:9015:d94
144.21.13.149 0:0:0:0:0:ffff:9015:d95
144.21.13.150 0:0:0:0:0:ffff:9015:d96
144.21.13.151 0:0:0:0:0:ffff:9015:d97
144.21.13.152 0:0:0:0:0:ffff:9015:d98
144.21.13.153 0:0:0:0:0:ffff:9015:d99
144.21.13.154 0:0:0:0:0:ffff:9015:d9a
144.21.13.155 0:0:0:0:0:ffff:9015:d9b
144.21.13.156 0:0:0:0:0:ffff:9015:d9c
144.21.13.157 0:0:0:0:0:ffff:9015:d9d
144.21.13.158 0:0:0:0:0:ffff:9015:d9e
144.21.13.159 0:0:0:0:0:ffff:9015:d9f
144.21.13.160 0:0:0:0:0:ffff:9015:da0
144.21.13.161 0:0:0:0:0:ffff:9015:da1
144.21.13.162 0:0:0:0:0:ffff:9015:da2
144.21.13.163 0:0:0:0:0:ffff:9015:da3
144.21.13.164 0:0:0:0:0:ffff:9015:da4
144.21.13.165 0:0:0:0:0:ffff:9015:da5
144.21.13.166 0:0:0:0:0:ffff:9015:da6
144.21.13.167 0:0:0:0:0:ffff:9015:da7
144.21.13.168 0:0:0:0:0:ffff:9015:da8
144.21.13.169 0:0:0:0:0:ffff:9015:da9
144.21.13.170 0:0:0:0:0:ffff:9015:daa
144.21.13.171 0:0:0:0:0:ffff:9015:dab
144.21.13.172 0:0:0:0:0:ffff:9015:dac
144.21.13.173 0:0:0:0:0:ffff:9015:dad
144.21.13.174 0:0:0:0:0:ffff:9015:dae
144.21.13.175 0:0:0:0:0:ffff:9015:daf
144.21.13.176 0:0:0:0:0:ffff:9015:db0
144.21.13.177 0:0:0:0:0:ffff:9015:db1
144.21.13.178 0:0:0:0:0:ffff:9015:db2
144.21.13.179 0:0:0:0:0:ffff:9015:db3
144.21.13.180 0:0:0:0:0:ffff:9015:db4


144.21.13.181 0:0:0:0:0:ffff:9015:db5
144.21.13.182 0:0:0:0:0:ffff:9015:db6
144.21.13.183 0:0:0:0:0:ffff:9015:db7
144.21.13.184 0:0:0:0:0:ffff:9015:db8
144.21.13.185 0:0:0:0:0:ffff:9015:db9
144.21.13.186 0:0:0:0:0:ffff:9015:dba
144.21.13.187 0:0:0:0:0:ffff:9015:dbb
144.21.13.188 0:0:0:0:0:ffff:9015:dbc
144.21.13.189 0:0:0:0:0:ffff:9015:dbd
144.21.13.190 0:0:0:0:0:ffff:9015:dbe
144.21.13.191 0:0:0:0:0:ffff:9015:dbf
144.21.13.192 0:0:0:0:0:ffff:9015:dc0
144.21.13.193 0:0:0:0:0:ffff:9015:dc1
144.21.13.194 0:0:0:0:0:ffff:9015:dc2
144.21.13.195 0:0:0:0:0:ffff:9015:dc3
144.21.13.196 0:0:0:0:0:ffff:9015:dc4
144.21.13.197 0:0:0:0:0:ffff:9015:dc5
144.21.13.198 0:0:0:0:0:ffff:9015:dc6
144.21.13.199 0:0:0:0:0:ffff:9015:dc7
144.21.13.200 0:0:0:0:0:ffff:9015:dc8
144.21.13.201 0:0:0:0:0:ffff:9015:dc9
144.21.13.202 0:0:0:0:0:ffff:9015:dca
144.21.13.203 0:0:0:0:0:ffff:9015:dcb
144.21.13.204 0:0:0:0:0:ffff:9015:dcc
144.21.13.205 0:0:0:0:0:ffff:9015:dcd
144.21.13.206 0:0:0:0:0:ffff:9015:dce
144.21.13.207 0:0:0:0:0:ffff:9015:dcf
144.21.13.208 0:0:0:0:0:ffff:9015:dd0
144.21.13.209 0:0:0:0:0:ffff:9015:dd1
144.21.13.210 0:0:0:0:0:ffff:9015:dd2
144.21.13.211 0:0:0:0:0:ffff:9015:dd3
144.21.13.212 0:0:0:0:0:ffff:9015:dd4
144.21.13.213 0:0:0:0:0:ffff:9015:dd5
144.21.13.214 0:0:0:0:0:ffff:9015:dd6
144.21.13.215 0:0:0:0:0:ffff:9015:dd7
144.21.13.216 0:0:0:0:0:ffff:9015:dd8
144.21.13.217 0:0:0:0:0:ffff:9015:dd9
144.21.13.218 0:0:0:0:0:ffff:9015:dda
144.21.13.219 0:0:0:0:0:ffff:9015:ddb
144.21.13.220 0:0:0:0:0:ffff:9015:ddc
144.21.13.221 0:0:0:0:0:ffff:9015:ddd
144.21.13.222 0:0:0:0:0:ffff:9015:dde
144.21.13.223 0:0:0:0:0:ffff:9015:ddf
144.21.13.224 0:0:0:0:0:ffff:9015:de0
144.21.13.225 0:0:0:0:0:ffff:9015:de1
144.21.13.226 0:0:0:0:0:ffff:9015:de2
144.21.13.227 0:0:0:0:0:ffff:9015:de3
144.21.13.228 0:0:0:0:0:ffff:9015:de4
144.21.13.229 0:0:0:0:0:ffff:9015:de5
144.21.13.230 0:0:0:0:0:ffff:9015:de6
144.21.13.231 0:0:0:0:0:ffff:9015:de7
144.21.13.232 0:0:0:0:0:ffff:9015:de8
144.21.13.233 0:0:0:0:0:ffff:9015:de9
144.21.13.234 0:0:0:0:0:ffff:9015:dea
144.21.13.235 0:0:0:0:0:ffff:9015:deb
144.21.13.236 0:0:0:0:0:ffff:9015:dec
144.21.13.237 0:0:0:0:0:ffff:9015:ded
144.21.13.238 0:0:0:0:0:ffff:9015:dee
144.21.13.239 0:0:0:0:0:ffff:9015:def
144.21.13.240 0:0:0:0:0:ffff:9015:df0
144.21.13.241 0:0:0:0:0:ffff:9015:df1
144.21.13.242 0:0:0:0:0:ffff:9015:df2
144.21.13.243 0:0:0:0:0:ffff:9015:df3
144.21.13.244 0:0:0:0:0:ffff:9015:df4
144.21.13.245 0:0:0:0:0:ffff:9015:df5
144.21.13.246 0:0:0:0:0:ffff:9015:df6
144.21.13.247 0:0:0:0:0:ffff:9015:df7
144.21.13.248 0:0:0:0:0:ffff:9015:df8
144.21.13.249 0:0:0:0:0:ffff:9015:df9
144.21.13.250 0:0:0:0:0:ffff:9015:dfa
144.21.13.251 0:0:0:0:0:ffff:9015:dfb
144.21.13.252 0:0:0:0:0:ffff:9015:dfc
144.21.13.253 0:0:0:0:0:ffff:9015:dfd
144.21.13.254 0:0:0:0:0:ffff:9015:dfe
144.21.13.255 0:0:0:0:0:ffff:9015:dff


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.