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
128.7.45.1 0:0:0:0:0:ffff:8007:2d01
128.7.45.2 0:0:0:0:0:ffff:8007:2d02
128.7.45.3 0:0:0:0:0:ffff:8007:2d03
128.7.45.4 0:0:0:0:0:ffff:8007:2d04
128.7.45.5 0:0:0:0:0:ffff:8007:2d05
128.7.45.6 0:0:0:0:0:ffff:8007:2d06
128.7.45.7 0:0:0:0:0:ffff:8007:2d07
128.7.45.8 0:0:0:0:0:ffff:8007:2d08
128.7.45.9 0:0:0:0:0:ffff:8007:2d09
128.7.45.10 0:0:0:0:0:ffff:8007:2d0a
128.7.45.11 0:0:0:0:0:ffff:8007:2d0b
128.7.45.12 0:0:0:0:0:ffff:8007:2d0c
128.7.45.13 0:0:0:0:0:ffff:8007:2d0d
128.7.45.14 0:0:0:0:0:ffff:8007:2d0e
128.7.45.15 0:0:0:0:0:ffff:8007:2d0f
128.7.45.16 0:0:0:0:0:ffff:8007:2d10
128.7.45.17 0:0:0:0:0:ffff:8007:2d11
128.7.45.18 0:0:0:0:0:ffff:8007:2d12
128.7.45.19 0:0:0:0:0:ffff:8007:2d13
128.7.45.20 0:0:0:0:0:ffff:8007:2d14
128.7.45.21 0:0:0:0:0:ffff:8007:2d15
128.7.45.22 0:0:0:0:0:ffff:8007:2d16
128.7.45.23 0:0:0:0:0:ffff:8007:2d17
128.7.45.24 0:0:0:0:0:ffff:8007:2d18
128.7.45.25 0:0:0:0:0:ffff:8007:2d19
128.7.45.26 0:0:0:0:0:ffff:8007:2d1a
128.7.45.27 0:0:0:0:0:ffff:8007:2d1b
128.7.45.28 0:0:0:0:0:ffff:8007:2d1c
128.7.45.29 0:0:0:0:0:ffff:8007:2d1d
128.7.45.30 0:0:0:0:0:ffff:8007:2d1e
128.7.45.31 0:0:0:0:0:ffff:8007:2d1f
128.7.45.32 0:0:0:0:0:ffff:8007:2d20
128.7.45.33 0:0:0:0:0:ffff:8007:2d21
128.7.45.34 0:0:0:0:0:ffff:8007:2d22
128.7.45.35 0:0:0:0:0:ffff:8007:2d23
128.7.45.36 0:0:0:0:0:ffff:8007:2d24
128.7.45.37 0:0:0:0:0:ffff:8007:2d25
128.7.45.38 0:0:0:0:0:ffff:8007:2d26
128.7.45.39 0:0:0:0:0:ffff:8007:2d27
128.7.45.40 0:0:0:0:0:ffff:8007:2d28
128.7.45.41 0:0:0:0:0:ffff:8007:2d29
128.7.45.42 0:0:0:0:0:ffff:8007:2d2a
128.7.45.43 0:0:0:0:0:ffff:8007:2d2b
128.7.45.44 0:0:0:0:0:ffff:8007:2d2c
128.7.45.45 0:0:0:0:0:ffff:8007:2d2d
128.7.45.46 0:0:0:0:0:ffff:8007:2d2e
128.7.45.47 0:0:0:0:0:ffff:8007:2d2f
128.7.45.48 0:0:0:0:0:ffff:8007:2d30
128.7.45.49 0:0:0:0:0:ffff:8007:2d31
128.7.45.50 0:0:0:0:0:ffff:8007:2d32
128.7.45.51 0:0:0:0:0:ffff:8007:2d33
128.7.45.52 0:0:0:0:0:ffff:8007:2d34
128.7.45.53 0:0:0:0:0:ffff:8007:2d35
128.7.45.54 0:0:0:0:0:ffff:8007:2d36
128.7.45.55 0:0:0:0:0:ffff:8007:2d37
128.7.45.56 0:0:0:0:0:ffff:8007:2d38
128.7.45.57 0:0:0:0:0:ffff:8007:2d39
128.7.45.58 0:0:0:0:0:ffff:8007:2d3a
128.7.45.59 0:0:0:0:0:ffff:8007:2d3b
128.7.45.60 0:0:0:0:0:ffff:8007:2d3c


128.7.45.61 0:0:0:0:0:ffff:8007:2d3d
128.7.45.62 0:0:0:0:0:ffff:8007:2d3e
128.7.45.63 0:0:0:0:0:ffff:8007:2d3f
128.7.45.64 0:0:0:0:0:ffff:8007:2d40
128.7.45.65 0:0:0:0:0:ffff:8007:2d41
128.7.45.66 0:0:0:0:0:ffff:8007:2d42
128.7.45.67 0:0:0:0:0:ffff:8007:2d43
128.7.45.68 0:0:0:0:0:ffff:8007:2d44
128.7.45.69 0:0:0:0:0:ffff:8007:2d45
128.7.45.70 0:0:0:0:0:ffff:8007:2d46
128.7.45.71 0:0:0:0:0:ffff:8007:2d47
128.7.45.72 0:0:0:0:0:ffff:8007:2d48
128.7.45.73 0:0:0:0:0:ffff:8007:2d49
128.7.45.74 0:0:0:0:0:ffff:8007:2d4a
128.7.45.75 0:0:0:0:0:ffff:8007:2d4b
128.7.45.76 0:0:0:0:0:ffff:8007:2d4c
128.7.45.77 0:0:0:0:0:ffff:8007:2d4d
128.7.45.78 0:0:0:0:0:ffff:8007:2d4e
128.7.45.79 0:0:0:0:0:ffff:8007:2d4f
128.7.45.80 0:0:0:0:0:ffff:8007:2d50
128.7.45.81 0:0:0:0:0:ffff:8007:2d51
128.7.45.82 0:0:0:0:0:ffff:8007:2d52
128.7.45.83 0:0:0:0:0:ffff:8007:2d53
128.7.45.84 0:0:0:0:0:ffff:8007:2d54
128.7.45.85 0:0:0:0:0:ffff:8007:2d55
128.7.45.86 0:0:0:0:0:ffff:8007:2d56
128.7.45.87 0:0:0:0:0:ffff:8007:2d57
128.7.45.88 0:0:0:0:0:ffff:8007:2d58
128.7.45.89 0:0:0:0:0:ffff:8007:2d59
128.7.45.90 0:0:0:0:0:ffff:8007:2d5a
128.7.45.91 0:0:0:0:0:ffff:8007:2d5b
128.7.45.92 0:0:0:0:0:ffff:8007:2d5c
128.7.45.93 0:0:0:0:0:ffff:8007:2d5d
128.7.45.94 0:0:0:0:0:ffff:8007:2d5e
128.7.45.95 0:0:0:0:0:ffff:8007:2d5f
128.7.45.96 0:0:0:0:0:ffff:8007:2d60
128.7.45.97 0:0:0:0:0:ffff:8007:2d61
128.7.45.98 0:0:0:0:0:ffff:8007:2d62
128.7.45.99 0:0:0:0:0:ffff:8007:2d63
128.7.45.100 0:0:0:0:0:ffff:8007:2d64
128.7.45.101 0:0:0:0:0:ffff:8007:2d65
128.7.45.102 0:0:0:0:0:ffff:8007:2d66
128.7.45.103 0:0:0:0:0:ffff:8007:2d67
128.7.45.104 0:0:0:0:0:ffff:8007:2d68
128.7.45.105 0:0:0:0:0:ffff:8007:2d69
128.7.45.106 0:0:0:0:0:ffff:8007:2d6a
128.7.45.107 0:0:0:0:0:ffff:8007:2d6b
128.7.45.108 0:0:0:0:0:ffff:8007:2d6c
128.7.45.109 0:0:0:0:0:ffff:8007:2d6d
128.7.45.110 0:0:0:0:0:ffff:8007:2d6e
128.7.45.111 0:0:0:0:0:ffff:8007:2d6f
128.7.45.112 0:0:0:0:0:ffff:8007:2d70
128.7.45.113 0:0:0:0:0:ffff:8007:2d71
128.7.45.114 0:0:0:0:0:ffff:8007:2d72
128.7.45.115 0:0:0:0:0:ffff:8007:2d73
128.7.45.116 0:0:0:0:0:ffff:8007:2d74
128.7.45.117 0:0:0:0:0:ffff:8007:2d75
128.7.45.118 0:0:0:0:0:ffff:8007:2d76
128.7.45.119 0:0:0:0:0:ffff:8007:2d77
128.7.45.120 0:0:0:0:0:ffff:8007:2d78


128.7.45.121 0:0:0:0:0:ffff:8007:2d79
128.7.45.122 0:0:0:0:0:ffff:8007:2d7a
128.7.45.123 0:0:0:0:0:ffff:8007:2d7b
128.7.45.124 0:0:0:0:0:ffff:8007:2d7c
128.7.45.125 0:0:0:0:0:ffff:8007:2d7d
128.7.45.126 0:0:0:0:0:ffff:8007:2d7e
128.7.45.127 0:0:0:0:0:ffff:8007:2d7f
128.7.45.128 0:0:0:0:0:ffff:8007:2d80
128.7.45.129 0:0:0:0:0:ffff:8007:2d81
128.7.45.130 0:0:0:0:0:ffff:8007:2d82
128.7.45.131 0:0:0:0:0:ffff:8007:2d83
128.7.45.132 0:0:0:0:0:ffff:8007:2d84
128.7.45.133 0:0:0:0:0:ffff:8007:2d85
128.7.45.134 0:0:0:0:0:ffff:8007:2d86
128.7.45.135 0:0:0:0:0:ffff:8007:2d87
128.7.45.136 0:0:0:0:0:ffff:8007:2d88
128.7.45.137 0:0:0:0:0:ffff:8007:2d89
128.7.45.138 0:0:0:0:0:ffff:8007:2d8a
128.7.45.139 0:0:0:0:0:ffff:8007:2d8b
128.7.45.140 0:0:0:0:0:ffff:8007:2d8c
128.7.45.141 0:0:0:0:0:ffff:8007:2d8d
128.7.45.142 0:0:0:0:0:ffff:8007:2d8e
128.7.45.143 0:0:0:0:0:ffff:8007:2d8f
128.7.45.144 0:0:0:0:0:ffff:8007:2d90
128.7.45.145 0:0:0:0:0:ffff:8007:2d91
128.7.45.146 0:0:0:0:0:ffff:8007:2d92
128.7.45.147 0:0:0:0:0:ffff:8007:2d93
128.7.45.148 0:0:0:0:0:ffff:8007:2d94
128.7.45.149 0:0:0:0:0:ffff:8007:2d95
128.7.45.150 0:0:0:0:0:ffff:8007:2d96
128.7.45.151 0:0:0:0:0:ffff:8007:2d97
128.7.45.152 0:0:0:0:0:ffff:8007:2d98
128.7.45.153 0:0:0:0:0:ffff:8007:2d99
128.7.45.154 0:0:0:0:0:ffff:8007:2d9a
128.7.45.155 0:0:0:0:0:ffff:8007:2d9b
128.7.45.156 0:0:0:0:0:ffff:8007:2d9c
128.7.45.157 0:0:0:0:0:ffff:8007:2d9d
128.7.45.158 0:0:0:0:0:ffff:8007:2d9e
128.7.45.159 0:0:0:0:0:ffff:8007:2d9f
128.7.45.160 0:0:0:0:0:ffff:8007:2da0
128.7.45.161 0:0:0:0:0:ffff:8007:2da1
128.7.45.162 0:0:0:0:0:ffff:8007:2da2
128.7.45.163 0:0:0:0:0:ffff:8007:2da3
128.7.45.164 0:0:0:0:0:ffff:8007:2da4
128.7.45.165 0:0:0:0:0:ffff:8007:2da5
128.7.45.166 0:0:0:0:0:ffff:8007:2da6
128.7.45.167 0:0:0:0:0:ffff:8007:2da7
128.7.45.168 0:0:0:0:0:ffff:8007:2da8
128.7.45.169 0:0:0:0:0:ffff:8007:2da9
128.7.45.170 0:0:0:0:0:ffff:8007:2daa
128.7.45.171 0:0:0:0:0:ffff:8007:2dab
128.7.45.172 0:0:0:0:0:ffff:8007:2dac
128.7.45.173 0:0:0:0:0:ffff:8007:2dad
128.7.45.174 0:0:0:0:0:ffff:8007:2dae
128.7.45.175 0:0:0:0:0:ffff:8007:2daf
128.7.45.176 0:0:0:0:0:ffff:8007:2db0
128.7.45.177 0:0:0:0:0:ffff:8007:2db1
128.7.45.178 0:0:0:0:0:ffff:8007:2db2
128.7.45.179 0:0:0:0:0:ffff:8007:2db3
128.7.45.180 0:0:0:0:0:ffff:8007:2db4


128.7.45.181 0:0:0:0:0:ffff:8007:2db5
128.7.45.182 0:0:0:0:0:ffff:8007:2db6
128.7.45.183 0:0:0:0:0:ffff:8007:2db7
128.7.45.184 0:0:0:0:0:ffff:8007:2db8
128.7.45.185 0:0:0:0:0:ffff:8007:2db9
128.7.45.186 0:0:0:0:0:ffff:8007:2dba
128.7.45.187 0:0:0:0:0:ffff:8007:2dbb
128.7.45.188 0:0:0:0:0:ffff:8007:2dbc
128.7.45.189 0:0:0:0:0:ffff:8007:2dbd
128.7.45.190 0:0:0:0:0:ffff:8007:2dbe
128.7.45.191 0:0:0:0:0:ffff:8007:2dbf
128.7.45.192 0:0:0:0:0:ffff:8007:2dc0
128.7.45.193 0:0:0:0:0:ffff:8007:2dc1
128.7.45.194 0:0:0:0:0:ffff:8007:2dc2
128.7.45.195 0:0:0:0:0:ffff:8007:2dc3
128.7.45.196 0:0:0:0:0:ffff:8007:2dc4
128.7.45.197 0:0:0:0:0:ffff:8007:2dc5
128.7.45.198 0:0:0:0:0:ffff:8007:2dc6
128.7.45.199 0:0:0:0:0:ffff:8007:2dc7
128.7.45.200 0:0:0:0:0:ffff:8007:2dc8
128.7.45.201 0:0:0:0:0:ffff:8007:2dc9
128.7.45.202 0:0:0:0:0:ffff:8007:2dca
128.7.45.203 0:0:0:0:0:ffff:8007:2dcb
128.7.45.204 0:0:0:0:0:ffff:8007:2dcc
128.7.45.205 0:0:0:0:0:ffff:8007:2dcd
128.7.45.206 0:0:0:0:0:ffff:8007:2dce
128.7.45.207 0:0:0:0:0:ffff:8007:2dcf
128.7.45.208 0:0:0:0:0:ffff:8007:2dd0
128.7.45.209 0:0:0:0:0:ffff:8007:2dd1
128.7.45.210 0:0:0:0:0:ffff:8007:2dd2
128.7.45.211 0:0:0:0:0:ffff:8007:2dd3
128.7.45.212 0:0:0:0:0:ffff:8007:2dd4
128.7.45.213 0:0:0:0:0:ffff:8007:2dd5
128.7.45.214 0:0:0:0:0:ffff:8007:2dd6
128.7.45.215 0:0:0:0:0:ffff:8007:2dd7
128.7.45.216 0:0:0:0:0:ffff:8007:2dd8
128.7.45.217 0:0:0:0:0:ffff:8007:2dd9
128.7.45.218 0:0:0:0:0:ffff:8007:2dda
128.7.45.219 0:0:0:0:0:ffff:8007:2ddb
128.7.45.220 0:0:0:0:0:ffff:8007:2ddc
128.7.45.221 0:0:0:0:0:ffff:8007:2ddd
128.7.45.222 0:0:0:0:0:ffff:8007:2dde
128.7.45.223 0:0:0:0:0:ffff:8007:2ddf
128.7.45.224 0:0:0:0:0:ffff:8007:2de0
128.7.45.225 0:0:0:0:0:ffff:8007:2de1
128.7.45.226 0:0:0:0:0:ffff:8007:2de2
128.7.45.227 0:0:0:0:0:ffff:8007:2de3
128.7.45.228 0:0:0:0:0:ffff:8007:2de4
128.7.45.229 0:0:0:0:0:ffff:8007:2de5
128.7.45.230 0:0:0:0:0:ffff:8007:2de6
128.7.45.231 0:0:0:0:0:ffff:8007:2de7
128.7.45.232 0:0:0:0:0:ffff:8007:2de8
128.7.45.233 0:0:0:0:0:ffff:8007:2de9
128.7.45.234 0:0:0:0:0:ffff:8007:2dea
128.7.45.235 0:0:0:0:0:ffff:8007:2deb
128.7.45.236 0:0:0:0:0:ffff:8007:2dec
128.7.45.237 0:0:0:0:0:ffff:8007:2ded
128.7.45.238 0:0:0:0:0:ffff:8007:2dee
128.7.45.239 0:0:0:0:0:ffff:8007:2def
128.7.45.240 0:0:0:0:0:ffff:8007:2df0
128.7.45.241 0:0:0:0:0:ffff:8007:2df1
128.7.45.242 0:0:0:0:0:ffff:8007:2df2
128.7.45.243 0:0:0:0:0:ffff:8007:2df3
128.7.45.244 0:0:0:0:0:ffff:8007:2df4
128.7.45.245 0:0:0:0:0:ffff:8007:2df5
128.7.45.246 0:0:0:0:0:ffff:8007:2df6
128.7.45.247 0:0:0:0:0:ffff:8007:2df7
128.7.45.248 0:0:0:0:0:ffff:8007:2df8
128.7.45.249 0:0:0:0:0:ffff:8007:2df9
128.7.45.250 0:0:0:0:0:ffff:8007:2dfa
128.7.45.251 0:0:0:0:0:ffff:8007:2dfb
128.7.45.252 0:0:0:0:0:ffff:8007:2dfc
128.7.45.253 0:0:0:0:0:ffff:8007:2dfd
128.7.45.254 0:0:0:0:0:ffff:8007:2dfe
128.7.45.255 0:0:0:0:0:ffff:8007:2dff


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.