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
31.28.221.1 0:0:0:0:0:ffff:1f1c:dd01
31.28.221.2 0:0:0:0:0:ffff:1f1c:dd02
31.28.221.3 0:0:0:0:0:ffff:1f1c:dd03
31.28.221.4 0:0:0:0:0:ffff:1f1c:dd04
31.28.221.5 0:0:0:0:0:ffff:1f1c:dd05
31.28.221.6 0:0:0:0:0:ffff:1f1c:dd06
31.28.221.7 0:0:0:0:0:ffff:1f1c:dd07
31.28.221.8 0:0:0:0:0:ffff:1f1c:dd08
31.28.221.9 0:0:0:0:0:ffff:1f1c:dd09
31.28.221.10 0:0:0:0:0:ffff:1f1c:dd0a
31.28.221.11 0:0:0:0:0:ffff:1f1c:dd0b
31.28.221.12 0:0:0:0:0:ffff:1f1c:dd0c
31.28.221.13 0:0:0:0:0:ffff:1f1c:dd0d
31.28.221.14 0:0:0:0:0:ffff:1f1c:dd0e
31.28.221.15 0:0:0:0:0:ffff:1f1c:dd0f
31.28.221.16 0:0:0:0:0:ffff:1f1c:dd10
31.28.221.17 0:0:0:0:0:ffff:1f1c:dd11
31.28.221.18 0:0:0:0:0:ffff:1f1c:dd12
31.28.221.19 0:0:0:0:0:ffff:1f1c:dd13
31.28.221.20 0:0:0:0:0:ffff:1f1c:dd14
31.28.221.21 0:0:0:0:0:ffff:1f1c:dd15
31.28.221.22 0:0:0:0:0:ffff:1f1c:dd16
31.28.221.23 0:0:0:0:0:ffff:1f1c:dd17
31.28.221.24 0:0:0:0:0:ffff:1f1c:dd18
31.28.221.25 0:0:0:0:0:ffff:1f1c:dd19
31.28.221.26 0:0:0:0:0:ffff:1f1c:dd1a
31.28.221.27 0:0:0:0:0:ffff:1f1c:dd1b
31.28.221.28 0:0:0:0:0:ffff:1f1c:dd1c
31.28.221.29 0:0:0:0:0:ffff:1f1c:dd1d
31.28.221.30 0:0:0:0:0:ffff:1f1c:dd1e
31.28.221.31 0:0:0:0:0:ffff:1f1c:dd1f
31.28.221.32 0:0:0:0:0:ffff:1f1c:dd20
31.28.221.33 0:0:0:0:0:ffff:1f1c:dd21
31.28.221.34 0:0:0:0:0:ffff:1f1c:dd22
31.28.221.35 0:0:0:0:0:ffff:1f1c:dd23
31.28.221.36 0:0:0:0:0:ffff:1f1c:dd24
31.28.221.37 0:0:0:0:0:ffff:1f1c:dd25
31.28.221.38 0:0:0:0:0:ffff:1f1c:dd26
31.28.221.39 0:0:0:0:0:ffff:1f1c:dd27
31.28.221.40 0:0:0:0:0:ffff:1f1c:dd28
31.28.221.41 0:0:0:0:0:ffff:1f1c:dd29
31.28.221.42 0:0:0:0:0:ffff:1f1c:dd2a
31.28.221.43 0:0:0:0:0:ffff:1f1c:dd2b
31.28.221.44 0:0:0:0:0:ffff:1f1c:dd2c
31.28.221.45 0:0:0:0:0:ffff:1f1c:dd2d
31.28.221.46 0:0:0:0:0:ffff:1f1c:dd2e
31.28.221.47 0:0:0:0:0:ffff:1f1c:dd2f
31.28.221.48 0:0:0:0:0:ffff:1f1c:dd30
31.28.221.49 0:0:0:0:0:ffff:1f1c:dd31
31.28.221.50 0:0:0:0:0:ffff:1f1c:dd32
31.28.221.51 0:0:0:0:0:ffff:1f1c:dd33
31.28.221.52 0:0:0:0:0:ffff:1f1c:dd34
31.28.221.53 0:0:0:0:0:ffff:1f1c:dd35
31.28.221.54 0:0:0:0:0:ffff:1f1c:dd36
31.28.221.55 0:0:0:0:0:ffff:1f1c:dd37
31.28.221.56 0:0:0:0:0:ffff:1f1c:dd38
31.28.221.57 0:0:0:0:0:ffff:1f1c:dd39
31.28.221.58 0:0:0:0:0:ffff:1f1c:dd3a
31.28.221.59 0:0:0:0:0:ffff:1f1c:dd3b
31.28.221.60 0:0:0:0:0:ffff:1f1c:dd3c


31.28.221.61 0:0:0:0:0:ffff:1f1c:dd3d
31.28.221.62 0:0:0:0:0:ffff:1f1c:dd3e
31.28.221.63 0:0:0:0:0:ffff:1f1c:dd3f
31.28.221.64 0:0:0:0:0:ffff:1f1c:dd40
31.28.221.65 0:0:0:0:0:ffff:1f1c:dd41
31.28.221.66 0:0:0:0:0:ffff:1f1c:dd42
31.28.221.67 0:0:0:0:0:ffff:1f1c:dd43
31.28.221.68 0:0:0:0:0:ffff:1f1c:dd44
31.28.221.69 0:0:0:0:0:ffff:1f1c:dd45
31.28.221.70 0:0:0:0:0:ffff:1f1c:dd46
31.28.221.71 0:0:0:0:0:ffff:1f1c:dd47
31.28.221.72 0:0:0:0:0:ffff:1f1c:dd48
31.28.221.73 0:0:0:0:0:ffff:1f1c:dd49
31.28.221.74 0:0:0:0:0:ffff:1f1c:dd4a
31.28.221.75 0:0:0:0:0:ffff:1f1c:dd4b
31.28.221.76 0:0:0:0:0:ffff:1f1c:dd4c
31.28.221.77 0:0:0:0:0:ffff:1f1c:dd4d
31.28.221.78 0:0:0:0:0:ffff:1f1c:dd4e
31.28.221.79 0:0:0:0:0:ffff:1f1c:dd4f
31.28.221.80 0:0:0:0:0:ffff:1f1c:dd50
31.28.221.81 0:0:0:0:0:ffff:1f1c:dd51
31.28.221.82 0:0:0:0:0:ffff:1f1c:dd52
31.28.221.83 0:0:0:0:0:ffff:1f1c:dd53
31.28.221.84 0:0:0:0:0:ffff:1f1c:dd54
31.28.221.85 0:0:0:0:0:ffff:1f1c:dd55
31.28.221.86 0:0:0:0:0:ffff:1f1c:dd56
31.28.221.87 0:0:0:0:0:ffff:1f1c:dd57
31.28.221.88 0:0:0:0:0:ffff:1f1c:dd58
31.28.221.89 0:0:0:0:0:ffff:1f1c:dd59
31.28.221.90 0:0:0:0:0:ffff:1f1c:dd5a
31.28.221.91 0:0:0:0:0:ffff:1f1c:dd5b
31.28.221.92 0:0:0:0:0:ffff:1f1c:dd5c
31.28.221.93 0:0:0:0:0:ffff:1f1c:dd5d
31.28.221.94 0:0:0:0:0:ffff:1f1c:dd5e
31.28.221.95 0:0:0:0:0:ffff:1f1c:dd5f
31.28.221.96 0:0:0:0:0:ffff:1f1c:dd60
31.28.221.97 0:0:0:0:0:ffff:1f1c:dd61
31.28.221.98 0:0:0:0:0:ffff:1f1c:dd62
31.28.221.99 0:0:0:0:0:ffff:1f1c:dd63
31.28.221.100 0:0:0:0:0:ffff:1f1c:dd64
31.28.221.101 0:0:0:0:0:ffff:1f1c:dd65
31.28.221.102 0:0:0:0:0:ffff:1f1c:dd66
31.28.221.103 0:0:0:0:0:ffff:1f1c:dd67
31.28.221.104 0:0:0:0:0:ffff:1f1c:dd68
31.28.221.105 0:0:0:0:0:ffff:1f1c:dd69
31.28.221.106 0:0:0:0:0:ffff:1f1c:dd6a
31.28.221.107 0:0:0:0:0:ffff:1f1c:dd6b
31.28.221.108 0:0:0:0:0:ffff:1f1c:dd6c
31.28.221.109 0:0:0:0:0:ffff:1f1c:dd6d
31.28.221.110 0:0:0:0:0:ffff:1f1c:dd6e
31.28.221.111 0:0:0:0:0:ffff:1f1c:dd6f
31.28.221.112 0:0:0:0:0:ffff:1f1c:dd70
31.28.221.113 0:0:0:0:0:ffff:1f1c:dd71
31.28.221.114 0:0:0:0:0:ffff:1f1c:dd72
31.28.221.115 0:0:0:0:0:ffff:1f1c:dd73
31.28.221.116 0:0:0:0:0:ffff:1f1c:dd74
31.28.221.117 0:0:0:0:0:ffff:1f1c:dd75
31.28.221.118 0:0:0:0:0:ffff:1f1c:dd76
31.28.221.119 0:0:0:0:0:ffff:1f1c:dd77
31.28.221.120 0:0:0:0:0:ffff:1f1c:dd78


31.28.221.121 0:0:0:0:0:ffff:1f1c:dd79
31.28.221.122 0:0:0:0:0:ffff:1f1c:dd7a
31.28.221.123 0:0:0:0:0:ffff:1f1c:dd7b
31.28.221.124 0:0:0:0:0:ffff:1f1c:dd7c
31.28.221.125 0:0:0:0:0:ffff:1f1c:dd7d
31.28.221.126 0:0:0:0:0:ffff:1f1c:dd7e
31.28.221.127 0:0:0:0:0:ffff:1f1c:dd7f
31.28.221.128 0:0:0:0:0:ffff:1f1c:dd80
31.28.221.129 0:0:0:0:0:ffff:1f1c:dd81
31.28.221.130 0:0:0:0:0:ffff:1f1c:dd82
31.28.221.131 0:0:0:0:0:ffff:1f1c:dd83
31.28.221.132 0:0:0:0:0:ffff:1f1c:dd84
31.28.221.133 0:0:0:0:0:ffff:1f1c:dd85
31.28.221.134 0:0:0:0:0:ffff:1f1c:dd86
31.28.221.135 0:0:0:0:0:ffff:1f1c:dd87
31.28.221.136 0:0:0:0:0:ffff:1f1c:dd88
31.28.221.137 0:0:0:0:0:ffff:1f1c:dd89
31.28.221.138 0:0:0:0:0:ffff:1f1c:dd8a
31.28.221.139 0:0:0:0:0:ffff:1f1c:dd8b
31.28.221.140 0:0:0:0:0:ffff:1f1c:dd8c
31.28.221.141 0:0:0:0:0:ffff:1f1c:dd8d
31.28.221.142 0:0:0:0:0:ffff:1f1c:dd8e
31.28.221.143 0:0:0:0:0:ffff:1f1c:dd8f
31.28.221.144 0:0:0:0:0:ffff:1f1c:dd90
31.28.221.145 0:0:0:0:0:ffff:1f1c:dd91
31.28.221.146 0:0:0:0:0:ffff:1f1c:dd92
31.28.221.147 0:0:0:0:0:ffff:1f1c:dd93
31.28.221.148 0:0:0:0:0:ffff:1f1c:dd94
31.28.221.149 0:0:0:0:0:ffff:1f1c:dd95
31.28.221.150 0:0:0:0:0:ffff:1f1c:dd96
31.28.221.151 0:0:0:0:0:ffff:1f1c:dd97
31.28.221.152 0:0:0:0:0:ffff:1f1c:dd98
31.28.221.153 0:0:0:0:0:ffff:1f1c:dd99
31.28.221.154 0:0:0:0:0:ffff:1f1c:dd9a
31.28.221.155 0:0:0:0:0:ffff:1f1c:dd9b
31.28.221.156 0:0:0:0:0:ffff:1f1c:dd9c
31.28.221.157 0:0:0:0:0:ffff:1f1c:dd9d
31.28.221.158 0:0:0:0:0:ffff:1f1c:dd9e
31.28.221.159 0:0:0:0:0:ffff:1f1c:dd9f
31.28.221.160 0:0:0:0:0:ffff:1f1c:dda0
31.28.221.161 0:0:0:0:0:ffff:1f1c:dda1
31.28.221.162 0:0:0:0:0:ffff:1f1c:dda2
31.28.221.163 0:0:0:0:0:ffff:1f1c:dda3
31.28.221.164 0:0:0:0:0:ffff:1f1c:dda4
31.28.221.165 0:0:0:0:0:ffff:1f1c:dda5
31.28.221.166 0:0:0:0:0:ffff:1f1c:dda6
31.28.221.167 0:0:0:0:0:ffff:1f1c:dda7
31.28.221.168 0:0:0:0:0:ffff:1f1c:dda8
31.28.221.169 0:0:0:0:0:ffff:1f1c:dda9
31.28.221.170 0:0:0:0:0:ffff:1f1c:ddaa
31.28.221.171 0:0:0:0:0:ffff:1f1c:ddab
31.28.221.172 0:0:0:0:0:ffff:1f1c:ddac
31.28.221.173 0:0:0:0:0:ffff:1f1c:ddad
31.28.221.174 0:0:0:0:0:ffff:1f1c:ddae
31.28.221.175 0:0:0:0:0:ffff:1f1c:ddaf
31.28.221.176 0:0:0:0:0:ffff:1f1c:ddb0
31.28.221.177 0:0:0:0:0:ffff:1f1c:ddb1
31.28.221.178 0:0:0:0:0:ffff:1f1c:ddb2
31.28.221.179 0:0:0:0:0:ffff:1f1c:ddb3
31.28.221.180 0:0:0:0:0:ffff:1f1c:ddb4


31.28.221.181 0:0:0:0:0:ffff:1f1c:ddb5
31.28.221.182 0:0:0:0:0:ffff:1f1c:ddb6
31.28.221.183 0:0:0:0:0:ffff:1f1c:ddb7
31.28.221.184 0:0:0:0:0:ffff:1f1c:ddb8
31.28.221.185 0:0:0:0:0:ffff:1f1c:ddb9
31.28.221.186 0:0:0:0:0:ffff:1f1c:ddba
31.28.221.187 0:0:0:0:0:ffff:1f1c:ddbb
31.28.221.188 0:0:0:0:0:ffff:1f1c:ddbc
31.28.221.189 0:0:0:0:0:ffff:1f1c:ddbd
31.28.221.190 0:0:0:0:0:ffff:1f1c:ddbe
31.28.221.191 0:0:0:0:0:ffff:1f1c:ddbf
31.28.221.192 0:0:0:0:0:ffff:1f1c:ddc0
31.28.221.193 0:0:0:0:0:ffff:1f1c:ddc1
31.28.221.194 0:0:0:0:0:ffff:1f1c:ddc2
31.28.221.195 0:0:0:0:0:ffff:1f1c:ddc3
31.28.221.196 0:0:0:0:0:ffff:1f1c:ddc4
31.28.221.197 0:0:0:0:0:ffff:1f1c:ddc5
31.28.221.198 0:0:0:0:0:ffff:1f1c:ddc6
31.28.221.199 0:0:0:0:0:ffff:1f1c:ddc7
31.28.221.200 0:0:0:0:0:ffff:1f1c:ddc8
31.28.221.201 0:0:0:0:0:ffff:1f1c:ddc9
31.28.221.202 0:0:0:0:0:ffff:1f1c:ddca
31.28.221.203 0:0:0:0:0:ffff:1f1c:ddcb
31.28.221.204 0:0:0:0:0:ffff:1f1c:ddcc
31.28.221.205 0:0:0:0:0:ffff:1f1c:ddcd
31.28.221.206 0:0:0:0:0:ffff:1f1c:ddce
31.28.221.207 0:0:0:0:0:ffff:1f1c:ddcf
31.28.221.208 0:0:0:0:0:ffff:1f1c:ddd0
31.28.221.209 0:0:0:0:0:ffff:1f1c:ddd1
31.28.221.210 0:0:0:0:0:ffff:1f1c:ddd2
31.28.221.211 0:0:0:0:0:ffff:1f1c:ddd3
31.28.221.212 0:0:0:0:0:ffff:1f1c:ddd4
31.28.221.213 0:0:0:0:0:ffff:1f1c:ddd5
31.28.221.214 0:0:0:0:0:ffff:1f1c:ddd6
31.28.221.215 0:0:0:0:0:ffff:1f1c:ddd7
31.28.221.216 0:0:0:0:0:ffff:1f1c:ddd8
31.28.221.217 0:0:0:0:0:ffff:1f1c:ddd9
31.28.221.218 0:0:0:0:0:ffff:1f1c:ddda
31.28.221.219 0:0:0:0:0:ffff:1f1c:dddb
31.28.221.220 0:0:0:0:0:ffff:1f1c:dddc
31.28.221.221 0:0:0:0:0:ffff:1f1c:dddd
31.28.221.222 0:0:0:0:0:ffff:1f1c:ddde
31.28.221.223 0:0:0:0:0:ffff:1f1c:dddf
31.28.221.224 0:0:0:0:0:ffff:1f1c:dde0
31.28.221.225 0:0:0:0:0:ffff:1f1c:dde1
31.28.221.226 0:0:0:0:0:ffff:1f1c:dde2
31.28.221.227 0:0:0:0:0:ffff:1f1c:dde3
31.28.221.228 0:0:0:0:0:ffff:1f1c:dde4
31.28.221.229 0:0:0:0:0:ffff:1f1c:dde5
31.28.221.230 0:0:0:0:0:ffff:1f1c:dde6
31.28.221.231 0:0:0:0:0:ffff:1f1c:dde7
31.28.221.232 0:0:0:0:0:ffff:1f1c:dde8
31.28.221.233 0:0:0:0:0:ffff:1f1c:dde9
31.28.221.234 0:0:0:0:0:ffff:1f1c:ddea
31.28.221.235 0:0:0:0:0:ffff:1f1c:ddeb
31.28.221.236 0:0:0:0:0:ffff:1f1c:ddec
31.28.221.237 0:0:0:0:0:ffff:1f1c:dded
31.28.221.238 0:0:0:0:0:ffff:1f1c:ddee
31.28.221.239 0:0:0:0:0:ffff:1f1c:ddef
31.28.221.240 0:0:0:0:0:ffff:1f1c:ddf0
31.28.221.241 0:0:0:0:0:ffff:1f1c:ddf1
31.28.221.242 0:0:0:0:0:ffff:1f1c:ddf2
31.28.221.243 0:0:0:0:0:ffff:1f1c:ddf3
31.28.221.244 0:0:0:0:0:ffff:1f1c:ddf4
31.28.221.245 0:0:0:0:0:ffff:1f1c:ddf5
31.28.221.246 0:0:0:0:0:ffff:1f1c:ddf6
31.28.221.247 0:0:0:0:0:ffff:1f1c:ddf7
31.28.221.248 0:0:0:0:0:ffff:1f1c:ddf8
31.28.221.249 0:0:0:0:0:ffff:1f1c:ddf9
31.28.221.250 0:0:0:0:0:ffff:1f1c:ddfa
31.28.221.251 0:0:0:0:0:ffff:1f1c:ddfb
31.28.221.252 0:0:0:0:0:ffff:1f1c:ddfc
31.28.221.253 0:0:0:0:0:ffff:1f1c:ddfd
31.28.221.254 0:0:0:0:0:ffff:1f1c:ddfe
31.28.221.255 0:0:0:0:0:ffff:1f1c:ddff


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.