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
128.7.28.1 0:0:0:0:0:ffff:8007:1c01
128.7.28.2 0:0:0:0:0:ffff:8007:1c02
128.7.28.3 0:0:0:0:0:ffff:8007:1c03
128.7.28.4 0:0:0:0:0:ffff:8007:1c04
128.7.28.5 0:0:0:0:0:ffff:8007:1c05
128.7.28.6 0:0:0:0:0:ffff:8007:1c06
128.7.28.7 0:0:0:0:0:ffff:8007:1c07
128.7.28.8 0:0:0:0:0:ffff:8007:1c08
128.7.28.9 0:0:0:0:0:ffff:8007:1c09
128.7.28.10 0:0:0:0:0:ffff:8007:1c0a
128.7.28.11 0:0:0:0:0:ffff:8007:1c0b
128.7.28.12 0:0:0:0:0:ffff:8007:1c0c
128.7.28.13 0:0:0:0:0:ffff:8007:1c0d
128.7.28.14 0:0:0:0:0:ffff:8007:1c0e
128.7.28.15 0:0:0:0:0:ffff:8007:1c0f
128.7.28.16 0:0:0:0:0:ffff:8007:1c10
128.7.28.17 0:0:0:0:0:ffff:8007:1c11
128.7.28.18 0:0:0:0:0:ffff:8007:1c12
128.7.28.19 0:0:0:0:0:ffff:8007:1c13
128.7.28.20 0:0:0:0:0:ffff:8007:1c14
128.7.28.21 0:0:0:0:0:ffff:8007:1c15
128.7.28.22 0:0:0:0:0:ffff:8007:1c16
128.7.28.23 0:0:0:0:0:ffff:8007:1c17
128.7.28.24 0:0:0:0:0:ffff:8007:1c18
128.7.28.25 0:0:0:0:0:ffff:8007:1c19
128.7.28.26 0:0:0:0:0:ffff:8007:1c1a
128.7.28.27 0:0:0:0:0:ffff:8007:1c1b
128.7.28.28 0:0:0:0:0:ffff:8007:1c1c
128.7.28.29 0:0:0:0:0:ffff:8007:1c1d
128.7.28.30 0:0:0:0:0:ffff:8007:1c1e
128.7.28.31 0:0:0:0:0:ffff:8007:1c1f
128.7.28.32 0:0:0:0:0:ffff:8007:1c20
128.7.28.33 0:0:0:0:0:ffff:8007:1c21
128.7.28.34 0:0:0:0:0:ffff:8007:1c22
128.7.28.35 0:0:0:0:0:ffff:8007:1c23
128.7.28.36 0:0:0:0:0:ffff:8007:1c24
128.7.28.37 0:0:0:0:0:ffff:8007:1c25
128.7.28.38 0:0:0:0:0:ffff:8007:1c26
128.7.28.39 0:0:0:0:0:ffff:8007:1c27
128.7.28.40 0:0:0:0:0:ffff:8007:1c28
128.7.28.41 0:0:0:0:0:ffff:8007:1c29
128.7.28.42 0:0:0:0:0:ffff:8007:1c2a
128.7.28.43 0:0:0:0:0:ffff:8007:1c2b
128.7.28.44 0:0:0:0:0:ffff:8007:1c2c
128.7.28.45 0:0:0:0:0:ffff:8007:1c2d
128.7.28.46 0:0:0:0:0:ffff:8007:1c2e
128.7.28.47 0:0:0:0:0:ffff:8007:1c2f
128.7.28.48 0:0:0:0:0:ffff:8007:1c30
128.7.28.49 0:0:0:0:0:ffff:8007:1c31
128.7.28.50 0:0:0:0:0:ffff:8007:1c32
128.7.28.51 0:0:0:0:0:ffff:8007:1c33
128.7.28.52 0:0:0:0:0:ffff:8007:1c34
128.7.28.53 0:0:0:0:0:ffff:8007:1c35
128.7.28.54 0:0:0:0:0:ffff:8007:1c36
128.7.28.55 0:0:0:0:0:ffff:8007:1c37
128.7.28.56 0:0:0:0:0:ffff:8007:1c38
128.7.28.57 0:0:0:0:0:ffff:8007:1c39
128.7.28.58 0:0:0:0:0:ffff:8007:1c3a
128.7.28.59 0:0:0:0:0:ffff:8007:1c3b
128.7.28.60 0:0:0:0:0:ffff:8007:1c3c


128.7.28.61 0:0:0:0:0:ffff:8007:1c3d
128.7.28.62 0:0:0:0:0:ffff:8007:1c3e
128.7.28.63 0:0:0:0:0:ffff:8007:1c3f
128.7.28.64 0:0:0:0:0:ffff:8007:1c40
128.7.28.65 0:0:0:0:0:ffff:8007:1c41
128.7.28.66 0:0:0:0:0:ffff:8007:1c42
128.7.28.67 0:0:0:0:0:ffff:8007:1c43
128.7.28.68 0:0:0:0:0:ffff:8007:1c44
128.7.28.69 0:0:0:0:0:ffff:8007:1c45
128.7.28.70 0:0:0:0:0:ffff:8007:1c46
128.7.28.71 0:0:0:0:0:ffff:8007:1c47
128.7.28.72 0:0:0:0:0:ffff:8007:1c48
128.7.28.73 0:0:0:0:0:ffff:8007:1c49
128.7.28.74 0:0:0:0:0:ffff:8007:1c4a
128.7.28.75 0:0:0:0:0:ffff:8007:1c4b
128.7.28.76 0:0:0:0:0:ffff:8007:1c4c
128.7.28.77 0:0:0:0:0:ffff:8007:1c4d
128.7.28.78 0:0:0:0:0:ffff:8007:1c4e
128.7.28.79 0:0:0:0:0:ffff:8007:1c4f
128.7.28.80 0:0:0:0:0:ffff:8007:1c50
128.7.28.81 0:0:0:0:0:ffff:8007:1c51
128.7.28.82 0:0:0:0:0:ffff:8007:1c52
128.7.28.83 0:0:0:0:0:ffff:8007:1c53
128.7.28.84 0:0:0:0:0:ffff:8007:1c54
128.7.28.85 0:0:0:0:0:ffff:8007:1c55
128.7.28.86 0:0:0:0:0:ffff:8007:1c56
128.7.28.87 0:0:0:0:0:ffff:8007:1c57
128.7.28.88 0:0:0:0:0:ffff:8007:1c58
128.7.28.89 0:0:0:0:0:ffff:8007:1c59
128.7.28.90 0:0:0:0:0:ffff:8007:1c5a
128.7.28.91 0:0:0:0:0:ffff:8007:1c5b
128.7.28.92 0:0:0:0:0:ffff:8007:1c5c
128.7.28.93 0:0:0:0:0:ffff:8007:1c5d
128.7.28.94 0:0:0:0:0:ffff:8007:1c5e
128.7.28.95 0:0:0:0:0:ffff:8007:1c5f
128.7.28.96 0:0:0:0:0:ffff:8007:1c60
128.7.28.97 0:0:0:0:0:ffff:8007:1c61
128.7.28.98 0:0:0:0:0:ffff:8007:1c62
128.7.28.99 0:0:0:0:0:ffff:8007:1c63
128.7.28.100 0:0:0:0:0:ffff:8007:1c64
128.7.28.101 0:0:0:0:0:ffff:8007:1c65
128.7.28.102 0:0:0:0:0:ffff:8007:1c66
128.7.28.103 0:0:0:0:0:ffff:8007:1c67
128.7.28.104 0:0:0:0:0:ffff:8007:1c68
128.7.28.105 0:0:0:0:0:ffff:8007:1c69
128.7.28.106 0:0:0:0:0:ffff:8007:1c6a
128.7.28.107 0:0:0:0:0:ffff:8007:1c6b
128.7.28.108 0:0:0:0:0:ffff:8007:1c6c
128.7.28.109 0:0:0:0:0:ffff:8007:1c6d
128.7.28.110 0:0:0:0:0:ffff:8007:1c6e
128.7.28.111 0:0:0:0:0:ffff:8007:1c6f
128.7.28.112 0:0:0:0:0:ffff:8007:1c70
128.7.28.113 0:0:0:0:0:ffff:8007:1c71
128.7.28.114 0:0:0:0:0:ffff:8007:1c72
128.7.28.115 0:0:0:0:0:ffff:8007:1c73
128.7.28.116 0:0:0:0:0:ffff:8007:1c74
128.7.28.117 0:0:0:0:0:ffff:8007:1c75
128.7.28.118 0:0:0:0:0:ffff:8007:1c76
128.7.28.119 0:0:0:0:0:ffff:8007:1c77
128.7.28.120 0:0:0:0:0:ffff:8007:1c78


128.7.28.121 0:0:0:0:0:ffff:8007:1c79
128.7.28.122 0:0:0:0:0:ffff:8007:1c7a
128.7.28.123 0:0:0:0:0:ffff:8007:1c7b
128.7.28.124 0:0:0:0:0:ffff:8007:1c7c
128.7.28.125 0:0:0:0:0:ffff:8007:1c7d
128.7.28.126 0:0:0:0:0:ffff:8007:1c7e
128.7.28.127 0:0:0:0:0:ffff:8007:1c7f
128.7.28.128 0:0:0:0:0:ffff:8007:1c80
128.7.28.129 0:0:0:0:0:ffff:8007:1c81
128.7.28.130 0:0:0:0:0:ffff:8007:1c82
128.7.28.131 0:0:0:0:0:ffff:8007:1c83
128.7.28.132 0:0:0:0:0:ffff:8007:1c84
128.7.28.133 0:0:0:0:0:ffff:8007:1c85
128.7.28.134 0:0:0:0:0:ffff:8007:1c86
128.7.28.135 0:0:0:0:0:ffff:8007:1c87
128.7.28.136 0:0:0:0:0:ffff:8007:1c88
128.7.28.137 0:0:0:0:0:ffff:8007:1c89
128.7.28.138 0:0:0:0:0:ffff:8007:1c8a
128.7.28.139 0:0:0:0:0:ffff:8007:1c8b
128.7.28.140 0:0:0:0:0:ffff:8007:1c8c
128.7.28.141 0:0:0:0:0:ffff:8007:1c8d
128.7.28.142 0:0:0:0:0:ffff:8007:1c8e
128.7.28.143 0:0:0:0:0:ffff:8007:1c8f
128.7.28.144 0:0:0:0:0:ffff:8007:1c90
128.7.28.145 0:0:0:0:0:ffff:8007:1c91
128.7.28.146 0:0:0:0:0:ffff:8007:1c92
128.7.28.147 0:0:0:0:0:ffff:8007:1c93
128.7.28.148 0:0:0:0:0:ffff:8007:1c94
128.7.28.149 0:0:0:0:0:ffff:8007:1c95
128.7.28.150 0:0:0:0:0:ffff:8007:1c96
128.7.28.151 0:0:0:0:0:ffff:8007:1c97
128.7.28.152 0:0:0:0:0:ffff:8007:1c98
128.7.28.153 0:0:0:0:0:ffff:8007:1c99
128.7.28.154 0:0:0:0:0:ffff:8007:1c9a
128.7.28.155 0:0:0:0:0:ffff:8007:1c9b
128.7.28.156 0:0:0:0:0:ffff:8007:1c9c
128.7.28.157 0:0:0:0:0:ffff:8007:1c9d
128.7.28.158 0:0:0:0:0:ffff:8007:1c9e
128.7.28.159 0:0:0:0:0:ffff:8007:1c9f
128.7.28.160 0:0:0:0:0:ffff:8007:1ca0
128.7.28.161 0:0:0:0:0:ffff:8007:1ca1
128.7.28.162 0:0:0:0:0:ffff:8007:1ca2
128.7.28.163 0:0:0:0:0:ffff:8007:1ca3
128.7.28.164 0:0:0:0:0:ffff:8007:1ca4
128.7.28.165 0:0:0:0:0:ffff:8007:1ca5
128.7.28.166 0:0:0:0:0:ffff:8007:1ca6
128.7.28.167 0:0:0:0:0:ffff:8007:1ca7
128.7.28.168 0:0:0:0:0:ffff:8007:1ca8
128.7.28.169 0:0:0:0:0:ffff:8007:1ca9
128.7.28.170 0:0:0:0:0:ffff:8007:1caa
128.7.28.171 0:0:0:0:0:ffff:8007:1cab
128.7.28.172 0:0:0:0:0:ffff:8007:1cac
128.7.28.173 0:0:0:0:0:ffff:8007:1cad
128.7.28.174 0:0:0:0:0:ffff:8007:1cae
128.7.28.175 0:0:0:0:0:ffff:8007:1caf
128.7.28.176 0:0:0:0:0:ffff:8007:1cb0
128.7.28.177 0:0:0:0:0:ffff:8007:1cb1
128.7.28.178 0:0:0:0:0:ffff:8007:1cb2
128.7.28.179 0:0:0:0:0:ffff:8007:1cb3
128.7.28.180 0:0:0:0:0:ffff:8007:1cb4


128.7.28.181 0:0:0:0:0:ffff:8007:1cb5
128.7.28.182 0:0:0:0:0:ffff:8007:1cb6
128.7.28.183 0:0:0:0:0:ffff:8007:1cb7
128.7.28.184 0:0:0:0:0:ffff:8007:1cb8
128.7.28.185 0:0:0:0:0:ffff:8007:1cb9
128.7.28.186 0:0:0:0:0:ffff:8007:1cba
128.7.28.187 0:0:0:0:0:ffff:8007:1cbb
128.7.28.188 0:0:0:0:0:ffff:8007:1cbc
128.7.28.189 0:0:0:0:0:ffff:8007:1cbd
128.7.28.190 0:0:0:0:0:ffff:8007:1cbe
128.7.28.191 0:0:0:0:0:ffff:8007:1cbf
128.7.28.192 0:0:0:0:0:ffff:8007:1cc0
128.7.28.193 0:0:0:0:0:ffff:8007:1cc1
128.7.28.194 0:0:0:0:0:ffff:8007:1cc2
128.7.28.195 0:0:0:0:0:ffff:8007:1cc3
128.7.28.196 0:0:0:0:0:ffff:8007:1cc4
128.7.28.197 0:0:0:0:0:ffff:8007:1cc5
128.7.28.198 0:0:0:0:0:ffff:8007:1cc6
128.7.28.199 0:0:0:0:0:ffff:8007:1cc7
128.7.28.200 0:0:0:0:0:ffff:8007:1cc8
128.7.28.201 0:0:0:0:0:ffff:8007:1cc9
128.7.28.202 0:0:0:0:0:ffff:8007:1cca
128.7.28.203 0:0:0:0:0:ffff:8007:1ccb
128.7.28.204 0:0:0:0:0:ffff:8007:1ccc
128.7.28.205 0:0:0:0:0:ffff:8007:1ccd
128.7.28.206 0:0:0:0:0:ffff:8007:1cce
128.7.28.207 0:0:0:0:0:ffff:8007:1ccf
128.7.28.208 0:0:0:0:0:ffff:8007:1cd0
128.7.28.209 0:0:0:0:0:ffff:8007:1cd1
128.7.28.210 0:0:0:0:0:ffff:8007:1cd2
128.7.28.211 0:0:0:0:0:ffff:8007:1cd3
128.7.28.212 0:0:0:0:0:ffff:8007:1cd4
128.7.28.213 0:0:0:0:0:ffff:8007:1cd5
128.7.28.214 0:0:0:0:0:ffff:8007:1cd6
128.7.28.215 0:0:0:0:0:ffff:8007:1cd7
128.7.28.216 0:0:0:0:0:ffff:8007:1cd8
128.7.28.217 0:0:0:0:0:ffff:8007:1cd9
128.7.28.218 0:0:0:0:0:ffff:8007:1cda
128.7.28.219 0:0:0:0:0:ffff:8007:1cdb
128.7.28.220 0:0:0:0:0:ffff:8007:1cdc
128.7.28.221 0:0:0:0:0:ffff:8007:1cdd
128.7.28.222 0:0:0:0:0:ffff:8007:1cde
128.7.28.223 0:0:0:0:0:ffff:8007:1cdf
128.7.28.224 0:0:0:0:0:ffff:8007:1ce0
128.7.28.225 0:0:0:0:0:ffff:8007:1ce1
128.7.28.226 0:0:0:0:0:ffff:8007:1ce2
128.7.28.227 0:0:0:0:0:ffff:8007:1ce3
128.7.28.228 0:0:0:0:0:ffff:8007:1ce4
128.7.28.229 0:0:0:0:0:ffff:8007:1ce5
128.7.28.230 0:0:0:0:0:ffff:8007:1ce6
128.7.28.231 0:0:0:0:0:ffff:8007:1ce7
128.7.28.232 0:0:0:0:0:ffff:8007:1ce8
128.7.28.233 0:0:0:0:0:ffff:8007:1ce9
128.7.28.234 0:0:0:0:0:ffff:8007:1cea
128.7.28.235 0:0:0:0:0:ffff:8007:1ceb
128.7.28.236 0:0:0:0:0:ffff:8007:1cec
128.7.28.237 0:0:0:0:0:ffff:8007:1ced
128.7.28.238 0:0:0:0:0:ffff:8007:1cee
128.7.28.239 0:0:0:0:0:ffff:8007:1cef
128.7.28.240 0:0:0:0:0:ffff:8007:1cf0
128.7.28.241 0:0:0:0:0:ffff:8007:1cf1
128.7.28.242 0:0:0:0:0:ffff:8007:1cf2
128.7.28.243 0:0:0:0:0:ffff:8007:1cf3
128.7.28.244 0:0:0:0:0:ffff:8007:1cf4
128.7.28.245 0:0:0:0:0:ffff:8007:1cf5
128.7.28.246 0:0:0:0:0:ffff:8007:1cf6
128.7.28.247 0:0:0:0:0:ffff:8007:1cf7
128.7.28.248 0:0:0:0:0:ffff:8007:1cf8
128.7.28.249 0:0:0:0:0:ffff:8007:1cf9
128.7.28.250 0:0:0:0:0:ffff:8007:1cfa
128.7.28.251 0:0:0:0:0:ffff:8007:1cfb
128.7.28.252 0:0:0:0:0:ffff:8007:1cfc
128.7.28.253 0:0:0:0:0:ffff:8007:1cfd
128.7.28.254 0:0:0:0:0:ffff:8007:1cfe
128.7.28.255 0:0:0:0:0:ffff:8007:1cff


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.