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
99.123.127.1 0:0:0:0:0:ffff:637b:7f01
99.123.127.2 0:0:0:0:0:ffff:637b:7f02
99.123.127.3 0:0:0:0:0:ffff:637b:7f03
99.123.127.4 0:0:0:0:0:ffff:637b:7f04
99.123.127.5 0:0:0:0:0:ffff:637b:7f05
99.123.127.6 0:0:0:0:0:ffff:637b:7f06
99.123.127.7 0:0:0:0:0:ffff:637b:7f07
99.123.127.8 0:0:0:0:0:ffff:637b:7f08
99.123.127.9 0:0:0:0:0:ffff:637b:7f09
99.123.127.10 0:0:0:0:0:ffff:637b:7f0a
99.123.127.11 0:0:0:0:0:ffff:637b:7f0b
99.123.127.12 0:0:0:0:0:ffff:637b:7f0c
99.123.127.13 0:0:0:0:0:ffff:637b:7f0d
99.123.127.14 0:0:0:0:0:ffff:637b:7f0e
99.123.127.15 0:0:0:0:0:ffff:637b:7f0f
99.123.127.16 0:0:0:0:0:ffff:637b:7f10
99.123.127.17 0:0:0:0:0:ffff:637b:7f11
99.123.127.18 0:0:0:0:0:ffff:637b:7f12
99.123.127.19 0:0:0:0:0:ffff:637b:7f13
99.123.127.20 0:0:0:0:0:ffff:637b:7f14
99.123.127.21 0:0:0:0:0:ffff:637b:7f15
99.123.127.22 0:0:0:0:0:ffff:637b:7f16
99.123.127.23 0:0:0:0:0:ffff:637b:7f17
99.123.127.24 0:0:0:0:0:ffff:637b:7f18
99.123.127.25 0:0:0:0:0:ffff:637b:7f19
99.123.127.26 0:0:0:0:0:ffff:637b:7f1a
99.123.127.27 0:0:0:0:0:ffff:637b:7f1b
99.123.127.28 0:0:0:0:0:ffff:637b:7f1c
99.123.127.29 0:0:0:0:0:ffff:637b:7f1d
99.123.127.30 0:0:0:0:0:ffff:637b:7f1e
99.123.127.31 0:0:0:0:0:ffff:637b:7f1f
99.123.127.32 0:0:0:0:0:ffff:637b:7f20
99.123.127.33 0:0:0:0:0:ffff:637b:7f21
99.123.127.34 0:0:0:0:0:ffff:637b:7f22
99.123.127.35 0:0:0:0:0:ffff:637b:7f23
99.123.127.36 0:0:0:0:0:ffff:637b:7f24
99.123.127.37 0:0:0:0:0:ffff:637b:7f25
99.123.127.38 0:0:0:0:0:ffff:637b:7f26
99.123.127.39 0:0:0:0:0:ffff:637b:7f27
99.123.127.40 0:0:0:0:0:ffff:637b:7f28
99.123.127.41 0:0:0:0:0:ffff:637b:7f29
99.123.127.42 0:0:0:0:0:ffff:637b:7f2a
99.123.127.43 0:0:0:0:0:ffff:637b:7f2b
99.123.127.44 0:0:0:0:0:ffff:637b:7f2c
99.123.127.45 0:0:0:0:0:ffff:637b:7f2d
99.123.127.46 0:0:0:0:0:ffff:637b:7f2e
99.123.127.47 0:0:0:0:0:ffff:637b:7f2f
99.123.127.48 0:0:0:0:0:ffff:637b:7f30
99.123.127.49 0:0:0:0:0:ffff:637b:7f31
99.123.127.50 0:0:0:0:0:ffff:637b:7f32
99.123.127.51 0:0:0:0:0:ffff:637b:7f33
99.123.127.52 0:0:0:0:0:ffff:637b:7f34
99.123.127.53 0:0:0:0:0:ffff:637b:7f35
99.123.127.54 0:0:0:0:0:ffff:637b:7f36
99.123.127.55 0:0:0:0:0:ffff:637b:7f37
99.123.127.56 0:0:0:0:0:ffff:637b:7f38
99.123.127.57 0:0:0:0:0:ffff:637b:7f39
99.123.127.58 0:0:0:0:0:ffff:637b:7f3a
99.123.127.59 0:0:0:0:0:ffff:637b:7f3b
99.123.127.60 0:0:0:0:0:ffff:637b:7f3c


99.123.127.61 0:0:0:0:0:ffff:637b:7f3d
99.123.127.62 0:0:0:0:0:ffff:637b:7f3e
99.123.127.63 0:0:0:0:0:ffff:637b:7f3f
99.123.127.64 0:0:0:0:0:ffff:637b:7f40
99.123.127.65 0:0:0:0:0:ffff:637b:7f41
99.123.127.66 0:0:0:0:0:ffff:637b:7f42
99.123.127.67 0:0:0:0:0:ffff:637b:7f43
99.123.127.68 0:0:0:0:0:ffff:637b:7f44
99.123.127.69 0:0:0:0:0:ffff:637b:7f45
99.123.127.70 0:0:0:0:0:ffff:637b:7f46
99.123.127.71 0:0:0:0:0:ffff:637b:7f47
99.123.127.72 0:0:0:0:0:ffff:637b:7f48
99.123.127.73 0:0:0:0:0:ffff:637b:7f49
99.123.127.74 0:0:0:0:0:ffff:637b:7f4a
99.123.127.75 0:0:0:0:0:ffff:637b:7f4b
99.123.127.76 0:0:0:0:0:ffff:637b:7f4c
99.123.127.77 0:0:0:0:0:ffff:637b:7f4d
99.123.127.78 0:0:0:0:0:ffff:637b:7f4e
99.123.127.79 0:0:0:0:0:ffff:637b:7f4f
99.123.127.80 0:0:0:0:0:ffff:637b:7f50
99.123.127.81 0:0:0:0:0:ffff:637b:7f51
99.123.127.82 0:0:0:0:0:ffff:637b:7f52
99.123.127.83 0:0:0:0:0:ffff:637b:7f53
99.123.127.84 0:0:0:0:0:ffff:637b:7f54
99.123.127.85 0:0:0:0:0:ffff:637b:7f55
99.123.127.86 0:0:0:0:0:ffff:637b:7f56
99.123.127.87 0:0:0:0:0:ffff:637b:7f57
99.123.127.88 0:0:0:0:0:ffff:637b:7f58
99.123.127.89 0:0:0:0:0:ffff:637b:7f59
99.123.127.90 0:0:0:0:0:ffff:637b:7f5a
99.123.127.91 0:0:0:0:0:ffff:637b:7f5b
99.123.127.92 0:0:0:0:0:ffff:637b:7f5c
99.123.127.93 0:0:0:0:0:ffff:637b:7f5d
99.123.127.94 0:0:0:0:0:ffff:637b:7f5e
99.123.127.95 0:0:0:0:0:ffff:637b:7f5f
99.123.127.96 0:0:0:0:0:ffff:637b:7f60
99.123.127.97 0:0:0:0:0:ffff:637b:7f61
99.123.127.98 0:0:0:0:0:ffff:637b:7f62
99.123.127.99 0:0:0:0:0:ffff:637b:7f63
99.123.127.100 0:0:0:0:0:ffff:637b:7f64
99.123.127.101 0:0:0:0:0:ffff:637b:7f65
99.123.127.102 0:0:0:0:0:ffff:637b:7f66
99.123.127.103 0:0:0:0:0:ffff:637b:7f67
99.123.127.104 0:0:0:0:0:ffff:637b:7f68
99.123.127.105 0:0:0:0:0:ffff:637b:7f69
99.123.127.106 0:0:0:0:0:ffff:637b:7f6a
99.123.127.107 0:0:0:0:0:ffff:637b:7f6b
99.123.127.108 0:0:0:0:0:ffff:637b:7f6c
99.123.127.109 0:0:0:0:0:ffff:637b:7f6d
99.123.127.110 0:0:0:0:0:ffff:637b:7f6e
99.123.127.111 0:0:0:0:0:ffff:637b:7f6f
99.123.127.112 0:0:0:0:0:ffff:637b:7f70
99.123.127.113 0:0:0:0:0:ffff:637b:7f71
99.123.127.114 0:0:0:0:0:ffff:637b:7f72
99.123.127.115 0:0:0:0:0:ffff:637b:7f73
99.123.127.116 0:0:0:0:0:ffff:637b:7f74
99.123.127.117 0:0:0:0:0:ffff:637b:7f75
99.123.127.118 0:0:0:0:0:ffff:637b:7f76
99.123.127.119 0:0:0:0:0:ffff:637b:7f77
99.123.127.120 0:0:0:0:0:ffff:637b:7f78


99.123.127.121 0:0:0:0:0:ffff:637b:7f79
99.123.127.122 0:0:0:0:0:ffff:637b:7f7a
99.123.127.123 0:0:0:0:0:ffff:637b:7f7b
99.123.127.124 0:0:0:0:0:ffff:637b:7f7c
99.123.127.125 0:0:0:0:0:ffff:637b:7f7d
99.123.127.126 0:0:0:0:0:ffff:637b:7f7e
99.123.127.127 0:0:0:0:0:ffff:637b:7f7f
99.123.127.128 0:0:0:0:0:ffff:637b:7f80
99.123.127.129 0:0:0:0:0:ffff:637b:7f81
99.123.127.130 0:0:0:0:0:ffff:637b:7f82
99.123.127.131 0:0:0:0:0:ffff:637b:7f83
99.123.127.132 0:0:0:0:0:ffff:637b:7f84
99.123.127.133 0:0:0:0:0:ffff:637b:7f85
99.123.127.134 0:0:0:0:0:ffff:637b:7f86
99.123.127.135 0:0:0:0:0:ffff:637b:7f87
99.123.127.136 0:0:0:0:0:ffff:637b:7f88
99.123.127.137 0:0:0:0:0:ffff:637b:7f89
99.123.127.138 0:0:0:0:0:ffff:637b:7f8a
99.123.127.139 0:0:0:0:0:ffff:637b:7f8b
99.123.127.140 0:0:0:0:0:ffff:637b:7f8c
99.123.127.141 0:0:0:0:0:ffff:637b:7f8d
99.123.127.142 0:0:0:0:0:ffff:637b:7f8e
99.123.127.143 0:0:0:0:0:ffff:637b:7f8f
99.123.127.144 0:0:0:0:0:ffff:637b:7f90
99.123.127.145 0:0:0:0:0:ffff:637b:7f91
99.123.127.146 0:0:0:0:0:ffff:637b:7f92
99.123.127.147 0:0:0:0:0:ffff:637b:7f93
99.123.127.148 0:0:0:0:0:ffff:637b:7f94
99.123.127.149 0:0:0:0:0:ffff:637b:7f95
99.123.127.150 0:0:0:0:0:ffff:637b:7f96
99.123.127.151 0:0:0:0:0:ffff:637b:7f97
99.123.127.152 0:0:0:0:0:ffff:637b:7f98
99.123.127.153 0:0:0:0:0:ffff:637b:7f99
99.123.127.154 0:0:0:0:0:ffff:637b:7f9a
99.123.127.155 0:0:0:0:0:ffff:637b:7f9b
99.123.127.156 0:0:0:0:0:ffff:637b:7f9c
99.123.127.157 0:0:0:0:0:ffff:637b:7f9d
99.123.127.158 0:0:0:0:0:ffff:637b:7f9e
99.123.127.159 0:0:0:0:0:ffff:637b:7f9f
99.123.127.160 0:0:0:0:0:ffff:637b:7fa0
99.123.127.161 0:0:0:0:0:ffff:637b:7fa1
99.123.127.162 0:0:0:0:0:ffff:637b:7fa2
99.123.127.163 0:0:0:0:0:ffff:637b:7fa3
99.123.127.164 0:0:0:0:0:ffff:637b:7fa4
99.123.127.165 0:0:0:0:0:ffff:637b:7fa5
99.123.127.166 0:0:0:0:0:ffff:637b:7fa6
99.123.127.167 0:0:0:0:0:ffff:637b:7fa7
99.123.127.168 0:0:0:0:0:ffff:637b:7fa8
99.123.127.169 0:0:0:0:0:ffff:637b:7fa9
99.123.127.170 0:0:0:0:0:ffff:637b:7faa
99.123.127.171 0:0:0:0:0:ffff:637b:7fab
99.123.127.172 0:0:0:0:0:ffff:637b:7fac
99.123.127.173 0:0:0:0:0:ffff:637b:7fad
99.123.127.174 0:0:0:0:0:ffff:637b:7fae
99.123.127.175 0:0:0:0:0:ffff:637b:7faf
99.123.127.176 0:0:0:0:0:ffff:637b:7fb0
99.123.127.177 0:0:0:0:0:ffff:637b:7fb1
99.123.127.178 0:0:0:0:0:ffff:637b:7fb2
99.123.127.179 0:0:0:0:0:ffff:637b:7fb3
99.123.127.180 0:0:0:0:0:ffff:637b:7fb4


99.123.127.181 0:0:0:0:0:ffff:637b:7fb5
99.123.127.182 0:0:0:0:0:ffff:637b:7fb6
99.123.127.183 0:0:0:0:0:ffff:637b:7fb7
99.123.127.184 0:0:0:0:0:ffff:637b:7fb8
99.123.127.185 0:0:0:0:0:ffff:637b:7fb9
99.123.127.186 0:0:0:0:0:ffff:637b:7fba
99.123.127.187 0:0:0:0:0:ffff:637b:7fbb
99.123.127.188 0:0:0:0:0:ffff:637b:7fbc
99.123.127.189 0:0:0:0:0:ffff:637b:7fbd
99.123.127.190 0:0:0:0:0:ffff:637b:7fbe
99.123.127.191 0:0:0:0:0:ffff:637b:7fbf
99.123.127.192 0:0:0:0:0:ffff:637b:7fc0
99.123.127.193 0:0:0:0:0:ffff:637b:7fc1
99.123.127.194 0:0:0:0:0:ffff:637b:7fc2
99.123.127.195 0:0:0:0:0:ffff:637b:7fc3
99.123.127.196 0:0:0:0:0:ffff:637b:7fc4
99.123.127.197 0:0:0:0:0:ffff:637b:7fc5
99.123.127.198 0:0:0:0:0:ffff:637b:7fc6
99.123.127.199 0:0:0:0:0:ffff:637b:7fc7
99.123.127.200 0:0:0:0:0:ffff:637b:7fc8
99.123.127.201 0:0:0:0:0:ffff:637b:7fc9
99.123.127.202 0:0:0:0:0:ffff:637b:7fca
99.123.127.203 0:0:0:0:0:ffff:637b:7fcb
99.123.127.204 0:0:0:0:0:ffff:637b:7fcc
99.123.127.205 0:0:0:0:0:ffff:637b:7fcd
99.123.127.206 0:0:0:0:0:ffff:637b:7fce
99.123.127.207 0:0:0:0:0:ffff:637b:7fcf
99.123.127.208 0:0:0:0:0:ffff:637b:7fd0
99.123.127.209 0:0:0:0:0:ffff:637b:7fd1
99.123.127.210 0:0:0:0:0:ffff:637b:7fd2
99.123.127.211 0:0:0:0:0:ffff:637b:7fd3
99.123.127.212 0:0:0:0:0:ffff:637b:7fd4
99.123.127.213 0:0:0:0:0:ffff:637b:7fd5
99.123.127.214 0:0:0:0:0:ffff:637b:7fd6
99.123.127.215 0:0:0:0:0:ffff:637b:7fd7
99.123.127.216 0:0:0:0:0:ffff:637b:7fd8
99.123.127.217 0:0:0:0:0:ffff:637b:7fd9
99.123.127.218 0:0:0:0:0:ffff:637b:7fda
99.123.127.219 0:0:0:0:0:ffff:637b:7fdb
99.123.127.220 0:0:0:0:0:ffff:637b:7fdc
99.123.127.221 0:0:0:0:0:ffff:637b:7fdd
99.123.127.222 0:0:0:0:0:ffff:637b:7fde
99.123.127.223 0:0:0:0:0:ffff:637b:7fdf
99.123.127.224 0:0:0:0:0:ffff:637b:7fe0
99.123.127.225 0:0:0:0:0:ffff:637b:7fe1
99.123.127.226 0:0:0:0:0:ffff:637b:7fe2
99.123.127.227 0:0:0:0:0:ffff:637b:7fe3
99.123.127.228 0:0:0:0:0:ffff:637b:7fe4
99.123.127.229 0:0:0:0:0:ffff:637b:7fe5
99.123.127.230 0:0:0:0:0:ffff:637b:7fe6
99.123.127.231 0:0:0:0:0:ffff:637b:7fe7
99.123.127.232 0:0:0:0:0:ffff:637b:7fe8
99.123.127.233 0:0:0:0:0:ffff:637b:7fe9
99.123.127.234 0:0:0:0:0:ffff:637b:7fea
99.123.127.235 0:0:0:0:0:ffff:637b:7feb
99.123.127.236 0:0:0:0:0:ffff:637b:7fec
99.123.127.237 0:0:0:0:0:ffff:637b:7fed
99.123.127.238 0:0:0:0:0:ffff:637b:7fee
99.123.127.239 0:0:0:0:0:ffff:637b:7fef
99.123.127.240 0:0:0:0:0:ffff:637b:7ff0
99.123.127.241 0:0:0:0:0:ffff:637b:7ff1
99.123.127.242 0:0:0:0:0:ffff:637b:7ff2
99.123.127.243 0:0:0:0:0:ffff:637b:7ff3
99.123.127.244 0:0:0:0:0:ffff:637b:7ff4
99.123.127.245 0:0:0:0:0:ffff:637b:7ff5
99.123.127.246 0:0:0:0:0:ffff:637b:7ff6
99.123.127.247 0:0:0:0:0:ffff:637b:7ff7
99.123.127.248 0:0:0:0:0:ffff:637b:7ff8
99.123.127.249 0:0:0:0:0:ffff:637b:7ff9
99.123.127.250 0:0:0:0:0:ffff:637b:7ffa
99.123.127.251 0:0:0:0:0:ffff:637b:7ffb
99.123.127.252 0:0:0:0:0:ffff:637b:7ffc
99.123.127.253 0:0:0:0:0:ffff:637b:7ffd
99.123.127.254 0:0:0:0:0:ffff:637b:7ffe
99.123.127.255 0:0:0:0:0:ffff:637b:7fff


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.