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
128.7.30.1 0:0:0:0:0:ffff:8007:1e01
128.7.30.2 0:0:0:0:0:ffff:8007:1e02
128.7.30.3 0:0:0:0:0:ffff:8007:1e03
128.7.30.4 0:0:0:0:0:ffff:8007:1e04
128.7.30.5 0:0:0:0:0:ffff:8007:1e05
128.7.30.6 0:0:0:0:0:ffff:8007:1e06
128.7.30.7 0:0:0:0:0:ffff:8007:1e07
128.7.30.8 0:0:0:0:0:ffff:8007:1e08
128.7.30.9 0:0:0:0:0:ffff:8007:1e09
128.7.30.10 0:0:0:0:0:ffff:8007:1e0a
128.7.30.11 0:0:0:0:0:ffff:8007:1e0b
128.7.30.12 0:0:0:0:0:ffff:8007:1e0c
128.7.30.13 0:0:0:0:0:ffff:8007:1e0d
128.7.30.14 0:0:0:0:0:ffff:8007:1e0e
128.7.30.15 0:0:0:0:0:ffff:8007:1e0f
128.7.30.16 0:0:0:0:0:ffff:8007:1e10
128.7.30.17 0:0:0:0:0:ffff:8007:1e11
128.7.30.18 0:0:0:0:0:ffff:8007:1e12
128.7.30.19 0:0:0:0:0:ffff:8007:1e13
128.7.30.20 0:0:0:0:0:ffff:8007:1e14
128.7.30.21 0:0:0:0:0:ffff:8007:1e15
128.7.30.22 0:0:0:0:0:ffff:8007:1e16
128.7.30.23 0:0:0:0:0:ffff:8007:1e17
128.7.30.24 0:0:0:0:0:ffff:8007:1e18
128.7.30.25 0:0:0:0:0:ffff:8007:1e19
128.7.30.26 0:0:0:0:0:ffff:8007:1e1a
128.7.30.27 0:0:0:0:0:ffff:8007:1e1b
128.7.30.28 0:0:0:0:0:ffff:8007:1e1c
128.7.30.29 0:0:0:0:0:ffff:8007:1e1d
128.7.30.30 0:0:0:0:0:ffff:8007:1e1e
128.7.30.31 0:0:0:0:0:ffff:8007:1e1f
128.7.30.32 0:0:0:0:0:ffff:8007:1e20
128.7.30.33 0:0:0:0:0:ffff:8007:1e21
128.7.30.34 0:0:0:0:0:ffff:8007:1e22
128.7.30.35 0:0:0:0:0:ffff:8007:1e23
128.7.30.36 0:0:0:0:0:ffff:8007:1e24
128.7.30.37 0:0:0:0:0:ffff:8007:1e25
128.7.30.38 0:0:0:0:0:ffff:8007:1e26
128.7.30.39 0:0:0:0:0:ffff:8007:1e27
128.7.30.40 0:0:0:0:0:ffff:8007:1e28
128.7.30.41 0:0:0:0:0:ffff:8007:1e29
128.7.30.42 0:0:0:0:0:ffff:8007:1e2a
128.7.30.43 0:0:0:0:0:ffff:8007:1e2b
128.7.30.44 0:0:0:0:0:ffff:8007:1e2c
128.7.30.45 0:0:0:0:0:ffff:8007:1e2d
128.7.30.46 0:0:0:0:0:ffff:8007:1e2e
128.7.30.47 0:0:0:0:0:ffff:8007:1e2f
128.7.30.48 0:0:0:0:0:ffff:8007:1e30
128.7.30.49 0:0:0:0:0:ffff:8007:1e31
128.7.30.50 0:0:0:0:0:ffff:8007:1e32
128.7.30.51 0:0:0:0:0:ffff:8007:1e33
128.7.30.52 0:0:0:0:0:ffff:8007:1e34
128.7.30.53 0:0:0:0:0:ffff:8007:1e35
128.7.30.54 0:0:0:0:0:ffff:8007:1e36
128.7.30.55 0:0:0:0:0:ffff:8007:1e37
128.7.30.56 0:0:0:0:0:ffff:8007:1e38
128.7.30.57 0:0:0:0:0:ffff:8007:1e39
128.7.30.58 0:0:0:0:0:ffff:8007:1e3a
128.7.30.59 0:0:0:0:0:ffff:8007:1e3b
128.7.30.60 0:0:0:0:0:ffff:8007:1e3c


128.7.30.61 0:0:0:0:0:ffff:8007:1e3d
128.7.30.62 0:0:0:0:0:ffff:8007:1e3e
128.7.30.63 0:0:0:0:0:ffff:8007:1e3f
128.7.30.64 0:0:0:0:0:ffff:8007:1e40
128.7.30.65 0:0:0:0:0:ffff:8007:1e41
128.7.30.66 0:0:0:0:0:ffff:8007:1e42
128.7.30.67 0:0:0:0:0:ffff:8007:1e43
128.7.30.68 0:0:0:0:0:ffff:8007:1e44
128.7.30.69 0:0:0:0:0:ffff:8007:1e45
128.7.30.70 0:0:0:0:0:ffff:8007:1e46
128.7.30.71 0:0:0:0:0:ffff:8007:1e47
128.7.30.72 0:0:0:0:0:ffff:8007:1e48
128.7.30.73 0:0:0:0:0:ffff:8007:1e49
128.7.30.74 0:0:0:0:0:ffff:8007:1e4a
128.7.30.75 0:0:0:0:0:ffff:8007:1e4b
128.7.30.76 0:0:0:0:0:ffff:8007:1e4c
128.7.30.77 0:0:0:0:0:ffff:8007:1e4d
128.7.30.78 0:0:0:0:0:ffff:8007:1e4e
128.7.30.79 0:0:0:0:0:ffff:8007:1e4f
128.7.30.80 0:0:0:0:0:ffff:8007:1e50
128.7.30.81 0:0:0:0:0:ffff:8007:1e51
128.7.30.82 0:0:0:0:0:ffff:8007:1e52
128.7.30.83 0:0:0:0:0:ffff:8007:1e53
128.7.30.84 0:0:0:0:0:ffff:8007:1e54
128.7.30.85 0:0:0:0:0:ffff:8007:1e55
128.7.30.86 0:0:0:0:0:ffff:8007:1e56
128.7.30.87 0:0:0:0:0:ffff:8007:1e57
128.7.30.88 0:0:0:0:0:ffff:8007:1e58
128.7.30.89 0:0:0:0:0:ffff:8007:1e59
128.7.30.90 0:0:0:0:0:ffff:8007:1e5a
128.7.30.91 0:0:0:0:0:ffff:8007:1e5b
128.7.30.92 0:0:0:0:0:ffff:8007:1e5c
128.7.30.93 0:0:0:0:0:ffff:8007:1e5d
128.7.30.94 0:0:0:0:0:ffff:8007:1e5e
128.7.30.95 0:0:0:0:0:ffff:8007:1e5f
128.7.30.96 0:0:0:0:0:ffff:8007:1e60
128.7.30.97 0:0:0:0:0:ffff:8007:1e61
128.7.30.98 0:0:0:0:0:ffff:8007:1e62
128.7.30.99 0:0:0:0:0:ffff:8007:1e63
128.7.30.100 0:0:0:0:0:ffff:8007:1e64
128.7.30.101 0:0:0:0:0:ffff:8007:1e65
128.7.30.102 0:0:0:0:0:ffff:8007:1e66
128.7.30.103 0:0:0:0:0:ffff:8007:1e67
128.7.30.104 0:0:0:0:0:ffff:8007:1e68
128.7.30.105 0:0:0:0:0:ffff:8007:1e69
128.7.30.106 0:0:0:0:0:ffff:8007:1e6a
128.7.30.107 0:0:0:0:0:ffff:8007:1e6b
128.7.30.108 0:0:0:0:0:ffff:8007:1e6c
128.7.30.109 0:0:0:0:0:ffff:8007:1e6d
128.7.30.110 0:0:0:0:0:ffff:8007:1e6e
128.7.30.111 0:0:0:0:0:ffff:8007:1e6f
128.7.30.112 0:0:0:0:0:ffff:8007:1e70
128.7.30.113 0:0:0:0:0:ffff:8007:1e71
128.7.30.114 0:0:0:0:0:ffff:8007:1e72
128.7.30.115 0:0:0:0:0:ffff:8007:1e73
128.7.30.116 0:0:0:0:0:ffff:8007:1e74
128.7.30.117 0:0:0:0:0:ffff:8007:1e75
128.7.30.118 0:0:0:0:0:ffff:8007:1e76
128.7.30.119 0:0:0:0:0:ffff:8007:1e77
128.7.30.120 0:0:0:0:0:ffff:8007:1e78


128.7.30.121 0:0:0:0:0:ffff:8007:1e79
128.7.30.122 0:0:0:0:0:ffff:8007:1e7a
128.7.30.123 0:0:0:0:0:ffff:8007:1e7b
128.7.30.124 0:0:0:0:0:ffff:8007:1e7c
128.7.30.125 0:0:0:0:0:ffff:8007:1e7d
128.7.30.126 0:0:0:0:0:ffff:8007:1e7e
128.7.30.127 0:0:0:0:0:ffff:8007:1e7f
128.7.30.128 0:0:0:0:0:ffff:8007:1e80
128.7.30.129 0:0:0:0:0:ffff:8007:1e81
128.7.30.130 0:0:0:0:0:ffff:8007:1e82
128.7.30.131 0:0:0:0:0:ffff:8007:1e83
128.7.30.132 0:0:0:0:0:ffff:8007:1e84
128.7.30.133 0:0:0:0:0:ffff:8007:1e85
128.7.30.134 0:0:0:0:0:ffff:8007:1e86
128.7.30.135 0:0:0:0:0:ffff:8007:1e87
128.7.30.136 0:0:0:0:0:ffff:8007:1e88
128.7.30.137 0:0:0:0:0:ffff:8007:1e89
128.7.30.138 0:0:0:0:0:ffff:8007:1e8a
128.7.30.139 0:0:0:0:0:ffff:8007:1e8b
128.7.30.140 0:0:0:0:0:ffff:8007:1e8c
128.7.30.141 0:0:0:0:0:ffff:8007:1e8d
128.7.30.142 0:0:0:0:0:ffff:8007:1e8e
128.7.30.143 0:0:0:0:0:ffff:8007:1e8f
128.7.30.144 0:0:0:0:0:ffff:8007:1e90
128.7.30.145 0:0:0:0:0:ffff:8007:1e91
128.7.30.146 0:0:0:0:0:ffff:8007:1e92
128.7.30.147 0:0:0:0:0:ffff:8007:1e93
128.7.30.148 0:0:0:0:0:ffff:8007:1e94
128.7.30.149 0:0:0:0:0:ffff:8007:1e95
128.7.30.150 0:0:0:0:0:ffff:8007:1e96
128.7.30.151 0:0:0:0:0:ffff:8007:1e97
128.7.30.152 0:0:0:0:0:ffff:8007:1e98
128.7.30.153 0:0:0:0:0:ffff:8007:1e99
128.7.30.154 0:0:0:0:0:ffff:8007:1e9a
128.7.30.155 0:0:0:0:0:ffff:8007:1e9b
128.7.30.156 0:0:0:0:0:ffff:8007:1e9c
128.7.30.157 0:0:0:0:0:ffff:8007:1e9d
128.7.30.158 0:0:0:0:0:ffff:8007:1e9e
128.7.30.159 0:0:0:0:0:ffff:8007:1e9f
128.7.30.160 0:0:0:0:0:ffff:8007:1ea0
128.7.30.161 0:0:0:0:0:ffff:8007:1ea1
128.7.30.162 0:0:0:0:0:ffff:8007:1ea2
128.7.30.163 0:0:0:0:0:ffff:8007:1ea3
128.7.30.164 0:0:0:0:0:ffff:8007:1ea4
128.7.30.165 0:0:0:0:0:ffff:8007:1ea5
128.7.30.166 0:0:0:0:0:ffff:8007:1ea6
128.7.30.167 0:0:0:0:0:ffff:8007:1ea7
128.7.30.168 0:0:0:0:0:ffff:8007:1ea8
128.7.30.169 0:0:0:0:0:ffff:8007:1ea9
128.7.30.170 0:0:0:0:0:ffff:8007:1eaa
128.7.30.171 0:0:0:0:0:ffff:8007:1eab
128.7.30.172 0:0:0:0:0:ffff:8007:1eac
128.7.30.173 0:0:0:0:0:ffff:8007:1ead
128.7.30.174 0:0:0:0:0:ffff:8007:1eae
128.7.30.175 0:0:0:0:0:ffff:8007:1eaf
128.7.30.176 0:0:0:0:0:ffff:8007:1eb0
128.7.30.177 0:0:0:0:0:ffff:8007:1eb1
128.7.30.178 0:0:0:0:0:ffff:8007:1eb2
128.7.30.179 0:0:0:0:0:ffff:8007:1eb3
128.7.30.180 0:0:0:0:0:ffff:8007:1eb4


128.7.30.181 0:0:0:0:0:ffff:8007:1eb5
128.7.30.182 0:0:0:0:0:ffff:8007:1eb6
128.7.30.183 0:0:0:0:0:ffff:8007:1eb7
128.7.30.184 0:0:0:0:0:ffff:8007:1eb8
128.7.30.185 0:0:0:0:0:ffff:8007:1eb9
128.7.30.186 0:0:0:0:0:ffff:8007:1eba
128.7.30.187 0:0:0:0:0:ffff:8007:1ebb
128.7.30.188 0:0:0:0:0:ffff:8007:1ebc
128.7.30.189 0:0:0:0:0:ffff:8007:1ebd
128.7.30.190 0:0:0:0:0:ffff:8007:1ebe
128.7.30.191 0:0:0:0:0:ffff:8007:1ebf
128.7.30.192 0:0:0:0:0:ffff:8007:1ec0
128.7.30.193 0:0:0:0:0:ffff:8007:1ec1
128.7.30.194 0:0:0:0:0:ffff:8007:1ec2
128.7.30.195 0:0:0:0:0:ffff:8007:1ec3
128.7.30.196 0:0:0:0:0:ffff:8007:1ec4
128.7.30.197 0:0:0:0:0:ffff:8007:1ec5
128.7.30.198 0:0:0:0:0:ffff:8007:1ec6
128.7.30.199 0:0:0:0:0:ffff:8007:1ec7
128.7.30.200 0:0:0:0:0:ffff:8007:1ec8
128.7.30.201 0:0:0:0:0:ffff:8007:1ec9
128.7.30.202 0:0:0:0:0:ffff:8007:1eca
128.7.30.203 0:0:0:0:0:ffff:8007:1ecb
128.7.30.204 0:0:0:0:0:ffff:8007:1ecc
128.7.30.205 0:0:0:0:0:ffff:8007:1ecd
128.7.30.206 0:0:0:0:0:ffff:8007:1ece
128.7.30.207 0:0:0:0:0:ffff:8007:1ecf
128.7.30.208 0:0:0:0:0:ffff:8007:1ed0
128.7.30.209 0:0:0:0:0:ffff:8007:1ed1
128.7.30.210 0:0:0:0:0:ffff:8007:1ed2
128.7.30.211 0:0:0:0:0:ffff:8007:1ed3
128.7.30.212 0:0:0:0:0:ffff:8007:1ed4
128.7.30.213 0:0:0:0:0:ffff:8007:1ed5
128.7.30.214 0:0:0:0:0:ffff:8007:1ed6
128.7.30.215 0:0:0:0:0:ffff:8007:1ed7
128.7.30.216 0:0:0:0:0:ffff:8007:1ed8
128.7.30.217 0:0:0:0:0:ffff:8007:1ed9
128.7.30.218 0:0:0:0:0:ffff:8007:1eda
128.7.30.219 0:0:0:0:0:ffff:8007:1edb
128.7.30.220 0:0:0:0:0:ffff:8007:1edc
128.7.30.221 0:0:0:0:0:ffff:8007:1edd
128.7.30.222 0:0:0:0:0:ffff:8007:1ede
128.7.30.223 0:0:0:0:0:ffff:8007:1edf
128.7.30.224 0:0:0:0:0:ffff:8007:1ee0
128.7.30.225 0:0:0:0:0:ffff:8007:1ee1
128.7.30.226 0:0:0:0:0:ffff:8007:1ee2
128.7.30.227 0:0:0:0:0:ffff:8007:1ee3
128.7.30.228 0:0:0:0:0:ffff:8007:1ee4
128.7.30.229 0:0:0:0:0:ffff:8007:1ee5
128.7.30.230 0:0:0:0:0:ffff:8007:1ee6
128.7.30.231 0:0:0:0:0:ffff:8007:1ee7
128.7.30.232 0:0:0:0:0:ffff:8007:1ee8
128.7.30.233 0:0:0:0:0:ffff:8007:1ee9
128.7.30.234 0:0:0:0:0:ffff:8007:1eea
128.7.30.235 0:0:0:0:0:ffff:8007:1eeb
128.7.30.236 0:0:0:0:0:ffff:8007:1eec
128.7.30.237 0:0:0:0:0:ffff:8007:1eed
128.7.30.238 0:0:0:0:0:ffff:8007:1eee
128.7.30.239 0:0:0:0:0:ffff:8007:1eef
128.7.30.240 0:0:0:0:0:ffff:8007:1ef0
128.7.30.241 0:0:0:0:0:ffff:8007:1ef1
128.7.30.242 0:0:0:0:0:ffff:8007:1ef2
128.7.30.243 0:0:0:0:0:ffff:8007:1ef3
128.7.30.244 0:0:0:0:0:ffff:8007:1ef4
128.7.30.245 0:0:0:0:0:ffff:8007:1ef5
128.7.30.246 0:0:0:0:0:ffff:8007:1ef6
128.7.30.247 0:0:0:0:0:ffff:8007:1ef7
128.7.30.248 0:0:0:0:0:ffff:8007:1ef8
128.7.30.249 0:0:0:0:0:ffff:8007:1ef9
128.7.30.250 0:0:0:0:0:ffff:8007:1efa
128.7.30.251 0:0:0:0:0:ffff:8007:1efb
128.7.30.252 0:0:0:0:0:ffff:8007:1efc
128.7.30.253 0:0:0:0:0:ffff:8007:1efd
128.7.30.254 0:0:0:0:0:ffff:8007:1efe
128.7.30.255 0:0:0:0:0:ffff:8007:1eff


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.