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
3.123.173.1 0:0:0:0:0:ffff:37b:ad01
3.123.173.2 0:0:0:0:0:ffff:37b:ad02
3.123.173.3 0:0:0:0:0:ffff:37b:ad03
3.123.173.4 0:0:0:0:0:ffff:37b:ad04
3.123.173.5 0:0:0:0:0:ffff:37b:ad05
3.123.173.6 0:0:0:0:0:ffff:37b:ad06
3.123.173.7 0:0:0:0:0:ffff:37b:ad07
3.123.173.8 0:0:0:0:0:ffff:37b:ad08
3.123.173.9 0:0:0:0:0:ffff:37b:ad09
3.123.173.10 0:0:0:0:0:ffff:37b:ad0a
3.123.173.11 0:0:0:0:0:ffff:37b:ad0b
3.123.173.12 0:0:0:0:0:ffff:37b:ad0c
3.123.173.13 0:0:0:0:0:ffff:37b:ad0d
3.123.173.14 0:0:0:0:0:ffff:37b:ad0e
3.123.173.15 0:0:0:0:0:ffff:37b:ad0f
3.123.173.16 0:0:0:0:0:ffff:37b:ad10
3.123.173.17 0:0:0:0:0:ffff:37b:ad11
3.123.173.18 0:0:0:0:0:ffff:37b:ad12
3.123.173.19 0:0:0:0:0:ffff:37b:ad13
3.123.173.20 0:0:0:0:0:ffff:37b:ad14
3.123.173.21 0:0:0:0:0:ffff:37b:ad15
3.123.173.22 0:0:0:0:0:ffff:37b:ad16
3.123.173.23 0:0:0:0:0:ffff:37b:ad17
3.123.173.24 0:0:0:0:0:ffff:37b:ad18
3.123.173.25 0:0:0:0:0:ffff:37b:ad19
3.123.173.26 0:0:0:0:0:ffff:37b:ad1a
3.123.173.27 0:0:0:0:0:ffff:37b:ad1b
3.123.173.28 0:0:0:0:0:ffff:37b:ad1c
3.123.173.29 0:0:0:0:0:ffff:37b:ad1d
3.123.173.30 0:0:0:0:0:ffff:37b:ad1e
3.123.173.31 0:0:0:0:0:ffff:37b:ad1f
3.123.173.32 0:0:0:0:0:ffff:37b:ad20
3.123.173.33 0:0:0:0:0:ffff:37b:ad21
3.123.173.34 0:0:0:0:0:ffff:37b:ad22
3.123.173.35 0:0:0:0:0:ffff:37b:ad23
3.123.173.36 0:0:0:0:0:ffff:37b:ad24
3.123.173.37 0:0:0:0:0:ffff:37b:ad25
3.123.173.38 0:0:0:0:0:ffff:37b:ad26
3.123.173.39 0:0:0:0:0:ffff:37b:ad27
3.123.173.40 0:0:0:0:0:ffff:37b:ad28
3.123.173.41 0:0:0:0:0:ffff:37b:ad29
3.123.173.42 0:0:0:0:0:ffff:37b:ad2a
3.123.173.43 0:0:0:0:0:ffff:37b:ad2b
3.123.173.44 0:0:0:0:0:ffff:37b:ad2c
3.123.173.45 0:0:0:0:0:ffff:37b:ad2d
3.123.173.46 0:0:0:0:0:ffff:37b:ad2e
3.123.173.47 0:0:0:0:0:ffff:37b:ad2f
3.123.173.48 0:0:0:0:0:ffff:37b:ad30
3.123.173.49 0:0:0:0:0:ffff:37b:ad31
3.123.173.50 0:0:0:0:0:ffff:37b:ad32
3.123.173.51 0:0:0:0:0:ffff:37b:ad33
3.123.173.52 0:0:0:0:0:ffff:37b:ad34
3.123.173.53 0:0:0:0:0:ffff:37b:ad35
3.123.173.54 0:0:0:0:0:ffff:37b:ad36
3.123.173.55 0:0:0:0:0:ffff:37b:ad37
3.123.173.56 0:0:0:0:0:ffff:37b:ad38
3.123.173.57 0:0:0:0:0:ffff:37b:ad39
3.123.173.58 0:0:0:0:0:ffff:37b:ad3a
3.123.173.59 0:0:0:0:0:ffff:37b:ad3b
3.123.173.60 0:0:0:0:0:ffff:37b:ad3c


3.123.173.61 0:0:0:0:0:ffff:37b:ad3d
3.123.173.62 0:0:0:0:0:ffff:37b:ad3e
3.123.173.63 0:0:0:0:0:ffff:37b:ad3f
3.123.173.64 0:0:0:0:0:ffff:37b:ad40
3.123.173.65 0:0:0:0:0:ffff:37b:ad41
3.123.173.66 0:0:0:0:0:ffff:37b:ad42
3.123.173.67 0:0:0:0:0:ffff:37b:ad43
3.123.173.68 0:0:0:0:0:ffff:37b:ad44
3.123.173.69 0:0:0:0:0:ffff:37b:ad45
3.123.173.70 0:0:0:0:0:ffff:37b:ad46
3.123.173.71 0:0:0:0:0:ffff:37b:ad47
3.123.173.72 0:0:0:0:0:ffff:37b:ad48
3.123.173.73 0:0:0:0:0:ffff:37b:ad49
3.123.173.74 0:0:0:0:0:ffff:37b:ad4a
3.123.173.75 0:0:0:0:0:ffff:37b:ad4b
3.123.173.76 0:0:0:0:0:ffff:37b:ad4c
3.123.173.77 0:0:0:0:0:ffff:37b:ad4d
3.123.173.78 0:0:0:0:0:ffff:37b:ad4e
3.123.173.79 0:0:0:0:0:ffff:37b:ad4f
3.123.173.80 0:0:0:0:0:ffff:37b:ad50
3.123.173.81 0:0:0:0:0:ffff:37b:ad51
3.123.173.82 0:0:0:0:0:ffff:37b:ad52
3.123.173.83 0:0:0:0:0:ffff:37b:ad53
3.123.173.84 0:0:0:0:0:ffff:37b:ad54
3.123.173.85 0:0:0:0:0:ffff:37b:ad55
3.123.173.86 0:0:0:0:0:ffff:37b:ad56
3.123.173.87 0:0:0:0:0:ffff:37b:ad57
3.123.173.88 0:0:0:0:0:ffff:37b:ad58
3.123.173.89 0:0:0:0:0:ffff:37b:ad59
3.123.173.90 0:0:0:0:0:ffff:37b:ad5a
3.123.173.91 0:0:0:0:0:ffff:37b:ad5b
3.123.173.92 0:0:0:0:0:ffff:37b:ad5c
3.123.173.93 0:0:0:0:0:ffff:37b:ad5d
3.123.173.94 0:0:0:0:0:ffff:37b:ad5e
3.123.173.95 0:0:0:0:0:ffff:37b:ad5f
3.123.173.96 0:0:0:0:0:ffff:37b:ad60
3.123.173.97 0:0:0:0:0:ffff:37b:ad61
3.123.173.98 0:0:0:0:0:ffff:37b:ad62
3.123.173.99 0:0:0:0:0:ffff:37b:ad63
3.123.173.100 0:0:0:0:0:ffff:37b:ad64
3.123.173.101 0:0:0:0:0:ffff:37b:ad65
3.123.173.102 0:0:0:0:0:ffff:37b:ad66
3.123.173.103 0:0:0:0:0:ffff:37b:ad67
3.123.173.104 0:0:0:0:0:ffff:37b:ad68
3.123.173.105 0:0:0:0:0:ffff:37b:ad69
3.123.173.106 0:0:0:0:0:ffff:37b:ad6a
3.123.173.107 0:0:0:0:0:ffff:37b:ad6b
3.123.173.108 0:0:0:0:0:ffff:37b:ad6c
3.123.173.109 0:0:0:0:0:ffff:37b:ad6d
3.123.173.110 0:0:0:0:0:ffff:37b:ad6e
3.123.173.111 0:0:0:0:0:ffff:37b:ad6f
3.123.173.112 0:0:0:0:0:ffff:37b:ad70
3.123.173.113 0:0:0:0:0:ffff:37b:ad71
3.123.173.114 0:0:0:0:0:ffff:37b:ad72
3.123.173.115 0:0:0:0:0:ffff:37b:ad73
3.123.173.116 0:0:0:0:0:ffff:37b:ad74
3.123.173.117 0:0:0:0:0:ffff:37b:ad75
3.123.173.118 0:0:0:0:0:ffff:37b:ad76
3.123.173.119 0:0:0:0:0:ffff:37b:ad77
3.123.173.120 0:0:0:0:0:ffff:37b:ad78


3.123.173.121 0:0:0:0:0:ffff:37b:ad79
3.123.173.122 0:0:0:0:0:ffff:37b:ad7a
3.123.173.123 0:0:0:0:0:ffff:37b:ad7b
3.123.173.124 0:0:0:0:0:ffff:37b:ad7c
3.123.173.125 0:0:0:0:0:ffff:37b:ad7d
3.123.173.126 0:0:0:0:0:ffff:37b:ad7e
3.123.173.127 0:0:0:0:0:ffff:37b:ad7f
3.123.173.128 0:0:0:0:0:ffff:37b:ad80
3.123.173.129 0:0:0:0:0:ffff:37b:ad81
3.123.173.130 0:0:0:0:0:ffff:37b:ad82
3.123.173.131 0:0:0:0:0:ffff:37b:ad83
3.123.173.132 0:0:0:0:0:ffff:37b:ad84
3.123.173.133 0:0:0:0:0:ffff:37b:ad85
3.123.173.134 0:0:0:0:0:ffff:37b:ad86
3.123.173.135 0:0:0:0:0:ffff:37b:ad87
3.123.173.136 0:0:0:0:0:ffff:37b:ad88
3.123.173.137 0:0:0:0:0:ffff:37b:ad89
3.123.173.138 0:0:0:0:0:ffff:37b:ad8a
3.123.173.139 0:0:0:0:0:ffff:37b:ad8b
3.123.173.140 0:0:0:0:0:ffff:37b:ad8c
3.123.173.141 0:0:0:0:0:ffff:37b:ad8d
3.123.173.142 0:0:0:0:0:ffff:37b:ad8e
3.123.173.143 0:0:0:0:0:ffff:37b:ad8f
3.123.173.144 0:0:0:0:0:ffff:37b:ad90
3.123.173.145 0:0:0:0:0:ffff:37b:ad91
3.123.173.146 0:0:0:0:0:ffff:37b:ad92
3.123.173.147 0:0:0:0:0:ffff:37b:ad93
3.123.173.148 0:0:0:0:0:ffff:37b:ad94
3.123.173.149 0:0:0:0:0:ffff:37b:ad95
3.123.173.150 0:0:0:0:0:ffff:37b:ad96
3.123.173.151 0:0:0:0:0:ffff:37b:ad97
3.123.173.152 0:0:0:0:0:ffff:37b:ad98
3.123.173.153 0:0:0:0:0:ffff:37b:ad99
3.123.173.154 0:0:0:0:0:ffff:37b:ad9a
3.123.173.155 0:0:0:0:0:ffff:37b:ad9b
3.123.173.156 0:0:0:0:0:ffff:37b:ad9c
3.123.173.157 0:0:0:0:0:ffff:37b:ad9d
3.123.173.158 0:0:0:0:0:ffff:37b:ad9e
3.123.173.159 0:0:0:0:0:ffff:37b:ad9f
3.123.173.160 0:0:0:0:0:ffff:37b:ada0
3.123.173.161 0:0:0:0:0:ffff:37b:ada1
3.123.173.162 0:0:0:0:0:ffff:37b:ada2
3.123.173.163 0:0:0:0:0:ffff:37b:ada3
3.123.173.164 0:0:0:0:0:ffff:37b:ada4
3.123.173.165 0:0:0:0:0:ffff:37b:ada5
3.123.173.166 0:0:0:0:0:ffff:37b:ada6
3.123.173.167 0:0:0:0:0:ffff:37b:ada7
3.123.173.168 0:0:0:0:0:ffff:37b:ada8
3.123.173.169 0:0:0:0:0:ffff:37b:ada9
3.123.173.170 0:0:0:0:0:ffff:37b:adaa
3.123.173.171 0:0:0:0:0:ffff:37b:adab
3.123.173.172 0:0:0:0:0:ffff:37b:adac
3.123.173.173 0:0:0:0:0:ffff:37b:adad
3.123.173.174 0:0:0:0:0:ffff:37b:adae
3.123.173.175 0:0:0:0:0:ffff:37b:adaf
3.123.173.176 0:0:0:0:0:ffff:37b:adb0
3.123.173.177 0:0:0:0:0:ffff:37b:adb1
3.123.173.178 0:0:0:0:0:ffff:37b:adb2
3.123.173.179 0:0:0:0:0:ffff:37b:adb3
3.123.173.180 0:0:0:0:0:ffff:37b:adb4


3.123.173.181 0:0:0:0:0:ffff:37b:adb5
3.123.173.182 0:0:0:0:0:ffff:37b:adb6
3.123.173.183 0:0:0:0:0:ffff:37b:adb7
3.123.173.184 0:0:0:0:0:ffff:37b:adb8
3.123.173.185 0:0:0:0:0:ffff:37b:adb9
3.123.173.186 0:0:0:0:0:ffff:37b:adba
3.123.173.187 0:0:0:0:0:ffff:37b:adbb
3.123.173.188 0:0:0:0:0:ffff:37b:adbc
3.123.173.189 0:0:0:0:0:ffff:37b:adbd
3.123.173.190 0:0:0:0:0:ffff:37b:adbe
3.123.173.191 0:0:0:0:0:ffff:37b:adbf
3.123.173.192 0:0:0:0:0:ffff:37b:adc0
3.123.173.193 0:0:0:0:0:ffff:37b:adc1
3.123.173.194 0:0:0:0:0:ffff:37b:adc2
3.123.173.195 0:0:0:0:0:ffff:37b:adc3
3.123.173.196 0:0:0:0:0:ffff:37b:adc4
3.123.173.197 0:0:0:0:0:ffff:37b:adc5
3.123.173.198 0:0:0:0:0:ffff:37b:adc6
3.123.173.199 0:0:0:0:0:ffff:37b:adc7
3.123.173.200 0:0:0:0:0:ffff:37b:adc8
3.123.173.201 0:0:0:0:0:ffff:37b:adc9
3.123.173.202 0:0:0:0:0:ffff:37b:adca
3.123.173.203 0:0:0:0:0:ffff:37b:adcb
3.123.173.204 0:0:0:0:0:ffff:37b:adcc
3.123.173.205 0:0:0:0:0:ffff:37b:adcd
3.123.173.206 0:0:0:0:0:ffff:37b:adce
3.123.173.207 0:0:0:0:0:ffff:37b:adcf
3.123.173.208 0:0:0:0:0:ffff:37b:add0
3.123.173.209 0:0:0:0:0:ffff:37b:add1
3.123.173.210 0:0:0:0:0:ffff:37b:add2
3.123.173.211 0:0:0:0:0:ffff:37b:add3
3.123.173.212 0:0:0:0:0:ffff:37b:add4
3.123.173.213 0:0:0:0:0:ffff:37b:add5
3.123.173.214 0:0:0:0:0:ffff:37b:add6
3.123.173.215 0:0:0:0:0:ffff:37b:add7
3.123.173.216 0:0:0:0:0:ffff:37b:add8
3.123.173.217 0:0:0:0:0:ffff:37b:add9
3.123.173.218 0:0:0:0:0:ffff:37b:adda
3.123.173.219 0:0:0:0:0:ffff:37b:addb
3.123.173.220 0:0:0:0:0:ffff:37b:addc
3.123.173.221 0:0:0:0:0:ffff:37b:addd
3.123.173.222 0:0:0:0:0:ffff:37b:adde
3.123.173.223 0:0:0:0:0:ffff:37b:addf
3.123.173.224 0:0:0:0:0:ffff:37b:ade0
3.123.173.225 0:0:0:0:0:ffff:37b:ade1
3.123.173.226 0:0:0:0:0:ffff:37b:ade2
3.123.173.227 0:0:0:0:0:ffff:37b:ade3
3.123.173.228 0:0:0:0:0:ffff:37b:ade4
3.123.173.229 0:0:0:0:0:ffff:37b:ade5
3.123.173.230 0:0:0:0:0:ffff:37b:ade6
3.123.173.231 0:0:0:0:0:ffff:37b:ade7
3.123.173.232 0:0:0:0:0:ffff:37b:ade8
3.123.173.233 0:0:0:0:0:ffff:37b:ade9
3.123.173.234 0:0:0:0:0:ffff:37b:adea
3.123.173.235 0:0:0:0:0:ffff:37b:adeb
3.123.173.236 0:0:0:0:0:ffff:37b:adec
3.123.173.237 0:0:0:0:0:ffff:37b:aded
3.123.173.238 0:0:0:0:0:ffff:37b:adee
3.123.173.239 0:0:0:0:0:ffff:37b:adef
3.123.173.240 0:0:0:0:0:ffff:37b:adf0
3.123.173.241 0:0:0:0:0:ffff:37b:adf1
3.123.173.242 0:0:0:0:0:ffff:37b:adf2
3.123.173.243 0:0:0:0:0:ffff:37b:adf3
3.123.173.244 0:0:0:0:0:ffff:37b:adf4
3.123.173.245 0:0:0:0:0:ffff:37b:adf5
3.123.173.246 0:0:0:0:0:ffff:37b:adf6
3.123.173.247 0:0:0:0:0:ffff:37b:adf7
3.123.173.248 0:0:0:0:0:ffff:37b:adf8
3.123.173.249 0:0:0:0:0:ffff:37b:adf9
3.123.173.250 0:0:0:0:0:ffff:37b:adfa
3.123.173.251 0:0:0:0:0:ffff:37b:adfb
3.123.173.252 0:0:0:0:0:ffff:37b:adfc
3.123.173.253 0:0:0:0:0:ffff:37b:adfd
3.123.173.254 0:0:0:0:0:ffff:37b:adfe
3.123.173.255 0:0:0:0:0:ffff:37b:adff


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.