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
19.73.221.1 0:0:0:0:0:ffff:1349:dd01
19.73.221.2 0:0:0:0:0:ffff:1349:dd02
19.73.221.3 0:0:0:0:0:ffff:1349:dd03
19.73.221.4 0:0:0:0:0:ffff:1349:dd04
19.73.221.5 0:0:0:0:0:ffff:1349:dd05
19.73.221.6 0:0:0:0:0:ffff:1349:dd06
19.73.221.7 0:0:0:0:0:ffff:1349:dd07
19.73.221.8 0:0:0:0:0:ffff:1349:dd08
19.73.221.9 0:0:0:0:0:ffff:1349:dd09
19.73.221.10 0:0:0:0:0:ffff:1349:dd0a
19.73.221.11 0:0:0:0:0:ffff:1349:dd0b
19.73.221.12 0:0:0:0:0:ffff:1349:dd0c
19.73.221.13 0:0:0:0:0:ffff:1349:dd0d
19.73.221.14 0:0:0:0:0:ffff:1349:dd0e
19.73.221.15 0:0:0:0:0:ffff:1349:dd0f
19.73.221.16 0:0:0:0:0:ffff:1349:dd10
19.73.221.17 0:0:0:0:0:ffff:1349:dd11
19.73.221.18 0:0:0:0:0:ffff:1349:dd12
19.73.221.19 0:0:0:0:0:ffff:1349:dd13
19.73.221.20 0:0:0:0:0:ffff:1349:dd14
19.73.221.21 0:0:0:0:0:ffff:1349:dd15
19.73.221.22 0:0:0:0:0:ffff:1349:dd16
19.73.221.23 0:0:0:0:0:ffff:1349:dd17
19.73.221.24 0:0:0:0:0:ffff:1349:dd18
19.73.221.25 0:0:0:0:0:ffff:1349:dd19
19.73.221.26 0:0:0:0:0:ffff:1349:dd1a
19.73.221.27 0:0:0:0:0:ffff:1349:dd1b
19.73.221.28 0:0:0:0:0:ffff:1349:dd1c
19.73.221.29 0:0:0:0:0:ffff:1349:dd1d
19.73.221.30 0:0:0:0:0:ffff:1349:dd1e
19.73.221.31 0:0:0:0:0:ffff:1349:dd1f
19.73.221.32 0:0:0:0:0:ffff:1349:dd20
19.73.221.33 0:0:0:0:0:ffff:1349:dd21
19.73.221.34 0:0:0:0:0:ffff:1349:dd22
19.73.221.35 0:0:0:0:0:ffff:1349:dd23
19.73.221.36 0:0:0:0:0:ffff:1349:dd24
19.73.221.37 0:0:0:0:0:ffff:1349:dd25
19.73.221.38 0:0:0:0:0:ffff:1349:dd26
19.73.221.39 0:0:0:0:0:ffff:1349:dd27
19.73.221.40 0:0:0:0:0:ffff:1349:dd28
19.73.221.41 0:0:0:0:0:ffff:1349:dd29
19.73.221.42 0:0:0:0:0:ffff:1349:dd2a
19.73.221.43 0:0:0:0:0:ffff:1349:dd2b
19.73.221.44 0:0:0:0:0:ffff:1349:dd2c
19.73.221.45 0:0:0:0:0:ffff:1349:dd2d
19.73.221.46 0:0:0:0:0:ffff:1349:dd2e
19.73.221.47 0:0:0:0:0:ffff:1349:dd2f
19.73.221.48 0:0:0:0:0:ffff:1349:dd30
19.73.221.49 0:0:0:0:0:ffff:1349:dd31
19.73.221.50 0:0:0:0:0:ffff:1349:dd32
19.73.221.51 0:0:0:0:0:ffff:1349:dd33
19.73.221.52 0:0:0:0:0:ffff:1349:dd34
19.73.221.53 0:0:0:0:0:ffff:1349:dd35
19.73.221.54 0:0:0:0:0:ffff:1349:dd36
19.73.221.55 0:0:0:0:0:ffff:1349:dd37
19.73.221.56 0:0:0:0:0:ffff:1349:dd38
19.73.221.57 0:0:0:0:0:ffff:1349:dd39
19.73.221.58 0:0:0:0:0:ffff:1349:dd3a
19.73.221.59 0:0:0:0:0:ffff:1349:dd3b
19.73.221.60 0:0:0:0:0:ffff:1349:dd3c


19.73.221.61 0:0:0:0:0:ffff:1349:dd3d
19.73.221.62 0:0:0:0:0:ffff:1349:dd3e
19.73.221.63 0:0:0:0:0:ffff:1349:dd3f
19.73.221.64 0:0:0:0:0:ffff:1349:dd40
19.73.221.65 0:0:0:0:0:ffff:1349:dd41
19.73.221.66 0:0:0:0:0:ffff:1349:dd42
19.73.221.67 0:0:0:0:0:ffff:1349:dd43
19.73.221.68 0:0:0:0:0:ffff:1349:dd44
19.73.221.69 0:0:0:0:0:ffff:1349:dd45
19.73.221.70 0:0:0:0:0:ffff:1349:dd46
19.73.221.71 0:0:0:0:0:ffff:1349:dd47
19.73.221.72 0:0:0:0:0:ffff:1349:dd48
19.73.221.73 0:0:0:0:0:ffff:1349:dd49
19.73.221.74 0:0:0:0:0:ffff:1349:dd4a
19.73.221.75 0:0:0:0:0:ffff:1349:dd4b
19.73.221.76 0:0:0:0:0:ffff:1349:dd4c
19.73.221.77 0:0:0:0:0:ffff:1349:dd4d
19.73.221.78 0:0:0:0:0:ffff:1349:dd4e
19.73.221.79 0:0:0:0:0:ffff:1349:dd4f
19.73.221.80 0:0:0:0:0:ffff:1349:dd50
19.73.221.81 0:0:0:0:0:ffff:1349:dd51
19.73.221.82 0:0:0:0:0:ffff:1349:dd52
19.73.221.83 0:0:0:0:0:ffff:1349:dd53
19.73.221.84 0:0:0:0:0:ffff:1349:dd54
19.73.221.85 0:0:0:0:0:ffff:1349:dd55
19.73.221.86 0:0:0:0:0:ffff:1349:dd56
19.73.221.87 0:0:0:0:0:ffff:1349:dd57
19.73.221.88 0:0:0:0:0:ffff:1349:dd58
19.73.221.89 0:0:0:0:0:ffff:1349:dd59
19.73.221.90 0:0:0:0:0:ffff:1349:dd5a
19.73.221.91 0:0:0:0:0:ffff:1349:dd5b
19.73.221.92 0:0:0:0:0:ffff:1349:dd5c
19.73.221.93 0:0:0:0:0:ffff:1349:dd5d
19.73.221.94 0:0:0:0:0:ffff:1349:dd5e
19.73.221.95 0:0:0:0:0:ffff:1349:dd5f
19.73.221.96 0:0:0:0:0:ffff:1349:dd60
19.73.221.97 0:0:0:0:0:ffff:1349:dd61
19.73.221.98 0:0:0:0:0:ffff:1349:dd62
19.73.221.99 0:0:0:0:0:ffff:1349:dd63
19.73.221.100 0:0:0:0:0:ffff:1349:dd64
19.73.221.101 0:0:0:0:0:ffff:1349:dd65
19.73.221.102 0:0:0:0:0:ffff:1349:dd66
19.73.221.103 0:0:0:0:0:ffff:1349:dd67
19.73.221.104 0:0:0:0:0:ffff:1349:dd68
19.73.221.105 0:0:0:0:0:ffff:1349:dd69
19.73.221.106 0:0:0:0:0:ffff:1349:dd6a
19.73.221.107 0:0:0:0:0:ffff:1349:dd6b
19.73.221.108 0:0:0:0:0:ffff:1349:dd6c
19.73.221.109 0:0:0:0:0:ffff:1349:dd6d
19.73.221.110 0:0:0:0:0:ffff:1349:dd6e
19.73.221.111 0:0:0:0:0:ffff:1349:dd6f
19.73.221.112 0:0:0:0:0:ffff:1349:dd70
19.73.221.113 0:0:0:0:0:ffff:1349:dd71
19.73.221.114 0:0:0:0:0:ffff:1349:dd72
19.73.221.115 0:0:0:0:0:ffff:1349:dd73
19.73.221.116 0:0:0:0:0:ffff:1349:dd74
19.73.221.117 0:0:0:0:0:ffff:1349:dd75
19.73.221.118 0:0:0:0:0:ffff:1349:dd76
19.73.221.119 0:0:0:0:0:ffff:1349:dd77
19.73.221.120 0:0:0:0:0:ffff:1349:dd78


19.73.221.121 0:0:0:0:0:ffff:1349:dd79
19.73.221.122 0:0:0:0:0:ffff:1349:dd7a
19.73.221.123 0:0:0:0:0:ffff:1349:dd7b
19.73.221.124 0:0:0:0:0:ffff:1349:dd7c
19.73.221.125 0:0:0:0:0:ffff:1349:dd7d
19.73.221.126 0:0:0:0:0:ffff:1349:dd7e
19.73.221.127 0:0:0:0:0:ffff:1349:dd7f
19.73.221.128 0:0:0:0:0:ffff:1349:dd80
19.73.221.129 0:0:0:0:0:ffff:1349:dd81
19.73.221.130 0:0:0:0:0:ffff:1349:dd82
19.73.221.131 0:0:0:0:0:ffff:1349:dd83
19.73.221.132 0:0:0:0:0:ffff:1349:dd84
19.73.221.133 0:0:0:0:0:ffff:1349:dd85
19.73.221.134 0:0:0:0:0:ffff:1349:dd86
19.73.221.135 0:0:0:0:0:ffff:1349:dd87
19.73.221.136 0:0:0:0:0:ffff:1349:dd88
19.73.221.137 0:0:0:0:0:ffff:1349:dd89
19.73.221.138 0:0:0:0:0:ffff:1349:dd8a
19.73.221.139 0:0:0:0:0:ffff:1349:dd8b
19.73.221.140 0:0:0:0:0:ffff:1349:dd8c
19.73.221.141 0:0:0:0:0:ffff:1349:dd8d
19.73.221.142 0:0:0:0:0:ffff:1349:dd8e
19.73.221.143 0:0:0:0:0:ffff:1349:dd8f
19.73.221.144 0:0:0:0:0:ffff:1349:dd90
19.73.221.145 0:0:0:0:0:ffff:1349:dd91
19.73.221.146 0:0:0:0:0:ffff:1349:dd92
19.73.221.147 0:0:0:0:0:ffff:1349:dd93
19.73.221.148 0:0:0:0:0:ffff:1349:dd94
19.73.221.149 0:0:0:0:0:ffff:1349:dd95
19.73.221.150 0:0:0:0:0:ffff:1349:dd96
19.73.221.151 0:0:0:0:0:ffff:1349:dd97
19.73.221.152 0:0:0:0:0:ffff:1349:dd98
19.73.221.153 0:0:0:0:0:ffff:1349:dd99
19.73.221.154 0:0:0:0:0:ffff:1349:dd9a
19.73.221.155 0:0:0:0:0:ffff:1349:dd9b
19.73.221.156 0:0:0:0:0:ffff:1349:dd9c
19.73.221.157 0:0:0:0:0:ffff:1349:dd9d
19.73.221.158 0:0:0:0:0:ffff:1349:dd9e
19.73.221.159 0:0:0:0:0:ffff:1349:dd9f
19.73.221.160 0:0:0:0:0:ffff:1349:dda0
19.73.221.161 0:0:0:0:0:ffff:1349:dda1
19.73.221.162 0:0:0:0:0:ffff:1349:dda2
19.73.221.163 0:0:0:0:0:ffff:1349:dda3
19.73.221.164 0:0:0:0:0:ffff:1349:dda4
19.73.221.165 0:0:0:0:0:ffff:1349:dda5
19.73.221.166 0:0:0:0:0:ffff:1349:dda6
19.73.221.167 0:0:0:0:0:ffff:1349:dda7
19.73.221.168 0:0:0:0:0:ffff:1349:dda8
19.73.221.169 0:0:0:0:0:ffff:1349:dda9
19.73.221.170 0:0:0:0:0:ffff:1349:ddaa
19.73.221.171 0:0:0:0:0:ffff:1349:ddab
19.73.221.172 0:0:0:0:0:ffff:1349:ddac
19.73.221.173 0:0:0:0:0:ffff:1349:ddad
19.73.221.174 0:0:0:0:0:ffff:1349:ddae
19.73.221.175 0:0:0:0:0:ffff:1349:ddaf
19.73.221.176 0:0:0:0:0:ffff:1349:ddb0
19.73.221.177 0:0:0:0:0:ffff:1349:ddb1
19.73.221.178 0:0:0:0:0:ffff:1349:ddb2
19.73.221.179 0:0:0:0:0:ffff:1349:ddb3
19.73.221.180 0:0:0:0:0:ffff:1349:ddb4


19.73.221.181 0:0:0:0:0:ffff:1349:ddb5
19.73.221.182 0:0:0:0:0:ffff:1349:ddb6
19.73.221.183 0:0:0:0:0:ffff:1349:ddb7
19.73.221.184 0:0:0:0:0:ffff:1349:ddb8
19.73.221.185 0:0:0:0:0:ffff:1349:ddb9
19.73.221.186 0:0:0:0:0:ffff:1349:ddba
19.73.221.187 0:0:0:0:0:ffff:1349:ddbb
19.73.221.188 0:0:0:0:0:ffff:1349:ddbc
19.73.221.189 0:0:0:0:0:ffff:1349:ddbd
19.73.221.190 0:0:0:0:0:ffff:1349:ddbe
19.73.221.191 0:0:0:0:0:ffff:1349:ddbf
19.73.221.192 0:0:0:0:0:ffff:1349:ddc0
19.73.221.193 0:0:0:0:0:ffff:1349:ddc1
19.73.221.194 0:0:0:0:0:ffff:1349:ddc2
19.73.221.195 0:0:0:0:0:ffff:1349:ddc3
19.73.221.196 0:0:0:0:0:ffff:1349:ddc4
19.73.221.197 0:0:0:0:0:ffff:1349:ddc5
19.73.221.198 0:0:0:0:0:ffff:1349:ddc6
19.73.221.199 0:0:0:0:0:ffff:1349:ddc7
19.73.221.200 0:0:0:0:0:ffff:1349:ddc8
19.73.221.201 0:0:0:0:0:ffff:1349:ddc9
19.73.221.202 0:0:0:0:0:ffff:1349:ddca
19.73.221.203 0:0:0:0:0:ffff:1349:ddcb
19.73.221.204 0:0:0:0:0:ffff:1349:ddcc
19.73.221.205 0:0:0:0:0:ffff:1349:ddcd
19.73.221.206 0:0:0:0:0:ffff:1349:ddce
19.73.221.207 0:0:0:0:0:ffff:1349:ddcf
19.73.221.208 0:0:0:0:0:ffff:1349:ddd0
19.73.221.209 0:0:0:0:0:ffff:1349:ddd1
19.73.221.210 0:0:0:0:0:ffff:1349:ddd2
19.73.221.211 0:0:0:0:0:ffff:1349:ddd3
19.73.221.212 0:0:0:0:0:ffff:1349:ddd4
19.73.221.213 0:0:0:0:0:ffff:1349:ddd5
19.73.221.214 0:0:0:0:0:ffff:1349:ddd6
19.73.221.215 0:0:0:0:0:ffff:1349:ddd7
19.73.221.216 0:0:0:0:0:ffff:1349:ddd8
19.73.221.217 0:0:0:0:0:ffff:1349:ddd9
19.73.221.218 0:0:0:0:0:ffff:1349:ddda
19.73.221.219 0:0:0:0:0:ffff:1349:dddb
19.73.221.220 0:0:0:0:0:ffff:1349:dddc
19.73.221.221 0:0:0:0:0:ffff:1349:dddd
19.73.221.222 0:0:0:0:0:ffff:1349:ddde
19.73.221.223 0:0:0:0:0:ffff:1349:dddf
19.73.221.224 0:0:0:0:0:ffff:1349:dde0
19.73.221.225 0:0:0:0:0:ffff:1349:dde1
19.73.221.226 0:0:0:0:0:ffff:1349:dde2
19.73.221.227 0:0:0:0:0:ffff:1349:dde3
19.73.221.228 0:0:0:0:0:ffff:1349:dde4
19.73.221.229 0:0:0:0:0:ffff:1349:dde5
19.73.221.230 0:0:0:0:0:ffff:1349:dde6
19.73.221.231 0:0:0:0:0:ffff:1349:dde7
19.73.221.232 0:0:0:0:0:ffff:1349:dde8
19.73.221.233 0:0:0:0:0:ffff:1349:dde9
19.73.221.234 0:0:0:0:0:ffff:1349:ddea
19.73.221.235 0:0:0:0:0:ffff:1349:ddeb
19.73.221.236 0:0:0:0:0:ffff:1349:ddec
19.73.221.237 0:0:0:0:0:ffff:1349:dded
19.73.221.238 0:0:0:0:0:ffff:1349:ddee
19.73.221.239 0:0:0:0:0:ffff:1349:ddef
19.73.221.240 0:0:0:0:0:ffff:1349:ddf0
19.73.221.241 0:0:0:0:0:ffff:1349:ddf1
19.73.221.242 0:0:0:0:0:ffff:1349:ddf2
19.73.221.243 0:0:0:0:0:ffff:1349:ddf3
19.73.221.244 0:0:0:0:0:ffff:1349:ddf4
19.73.221.245 0:0:0:0:0:ffff:1349:ddf5
19.73.221.246 0:0:0:0:0:ffff:1349:ddf6
19.73.221.247 0:0:0:0:0:ffff:1349:ddf7
19.73.221.248 0:0:0:0:0:ffff:1349:ddf8
19.73.221.249 0:0:0:0:0:ffff:1349:ddf9
19.73.221.250 0:0:0:0:0:ffff:1349:ddfa
19.73.221.251 0:0:0:0:0:ffff:1349:ddfb
19.73.221.252 0:0:0:0:0:ffff:1349:ddfc
19.73.221.253 0:0:0:0:0:ffff:1349:ddfd
19.73.221.254 0:0:0:0:0:ffff:1349:ddfe
19.73.221.255 0:0:0:0:0:ffff:1349: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.