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
28.128.61.1 0:0:0:0:0:ffff:1c80:3d01
28.128.61.2 0:0:0:0:0:ffff:1c80:3d02
28.128.61.3 0:0:0:0:0:ffff:1c80:3d03
28.128.61.4 0:0:0:0:0:ffff:1c80:3d04
28.128.61.5 0:0:0:0:0:ffff:1c80:3d05
28.128.61.6 0:0:0:0:0:ffff:1c80:3d06
28.128.61.7 0:0:0:0:0:ffff:1c80:3d07
28.128.61.8 0:0:0:0:0:ffff:1c80:3d08
28.128.61.9 0:0:0:0:0:ffff:1c80:3d09
28.128.61.10 0:0:0:0:0:ffff:1c80:3d0a
28.128.61.11 0:0:0:0:0:ffff:1c80:3d0b
28.128.61.12 0:0:0:0:0:ffff:1c80:3d0c
28.128.61.13 0:0:0:0:0:ffff:1c80:3d0d
28.128.61.14 0:0:0:0:0:ffff:1c80:3d0e
28.128.61.15 0:0:0:0:0:ffff:1c80:3d0f
28.128.61.16 0:0:0:0:0:ffff:1c80:3d10
28.128.61.17 0:0:0:0:0:ffff:1c80:3d11
28.128.61.18 0:0:0:0:0:ffff:1c80:3d12
28.128.61.19 0:0:0:0:0:ffff:1c80:3d13
28.128.61.20 0:0:0:0:0:ffff:1c80:3d14
28.128.61.21 0:0:0:0:0:ffff:1c80:3d15
28.128.61.22 0:0:0:0:0:ffff:1c80:3d16
28.128.61.23 0:0:0:0:0:ffff:1c80:3d17
28.128.61.24 0:0:0:0:0:ffff:1c80:3d18
28.128.61.25 0:0:0:0:0:ffff:1c80:3d19
28.128.61.26 0:0:0:0:0:ffff:1c80:3d1a
28.128.61.27 0:0:0:0:0:ffff:1c80:3d1b
28.128.61.28 0:0:0:0:0:ffff:1c80:3d1c
28.128.61.29 0:0:0:0:0:ffff:1c80:3d1d
28.128.61.30 0:0:0:0:0:ffff:1c80:3d1e
28.128.61.31 0:0:0:0:0:ffff:1c80:3d1f
28.128.61.32 0:0:0:0:0:ffff:1c80:3d20
28.128.61.33 0:0:0:0:0:ffff:1c80:3d21
28.128.61.34 0:0:0:0:0:ffff:1c80:3d22
28.128.61.35 0:0:0:0:0:ffff:1c80:3d23
28.128.61.36 0:0:0:0:0:ffff:1c80:3d24
28.128.61.37 0:0:0:0:0:ffff:1c80:3d25
28.128.61.38 0:0:0:0:0:ffff:1c80:3d26
28.128.61.39 0:0:0:0:0:ffff:1c80:3d27
28.128.61.40 0:0:0:0:0:ffff:1c80:3d28
28.128.61.41 0:0:0:0:0:ffff:1c80:3d29
28.128.61.42 0:0:0:0:0:ffff:1c80:3d2a
28.128.61.43 0:0:0:0:0:ffff:1c80:3d2b
28.128.61.44 0:0:0:0:0:ffff:1c80:3d2c
28.128.61.45 0:0:0:0:0:ffff:1c80:3d2d
28.128.61.46 0:0:0:0:0:ffff:1c80:3d2e
28.128.61.47 0:0:0:0:0:ffff:1c80:3d2f
28.128.61.48 0:0:0:0:0:ffff:1c80:3d30
28.128.61.49 0:0:0:0:0:ffff:1c80:3d31
28.128.61.50 0:0:0:0:0:ffff:1c80:3d32
28.128.61.51 0:0:0:0:0:ffff:1c80:3d33
28.128.61.52 0:0:0:0:0:ffff:1c80:3d34
28.128.61.53 0:0:0:0:0:ffff:1c80:3d35
28.128.61.54 0:0:0:0:0:ffff:1c80:3d36
28.128.61.55 0:0:0:0:0:ffff:1c80:3d37
28.128.61.56 0:0:0:0:0:ffff:1c80:3d38
28.128.61.57 0:0:0:0:0:ffff:1c80:3d39
28.128.61.58 0:0:0:0:0:ffff:1c80:3d3a
28.128.61.59 0:0:0:0:0:ffff:1c80:3d3b
28.128.61.60 0:0:0:0:0:ffff:1c80:3d3c


28.128.61.61 0:0:0:0:0:ffff:1c80:3d3d
28.128.61.62 0:0:0:0:0:ffff:1c80:3d3e
28.128.61.63 0:0:0:0:0:ffff:1c80:3d3f
28.128.61.64 0:0:0:0:0:ffff:1c80:3d40
28.128.61.65 0:0:0:0:0:ffff:1c80:3d41
28.128.61.66 0:0:0:0:0:ffff:1c80:3d42
28.128.61.67 0:0:0:0:0:ffff:1c80:3d43
28.128.61.68 0:0:0:0:0:ffff:1c80:3d44
28.128.61.69 0:0:0:0:0:ffff:1c80:3d45
28.128.61.70 0:0:0:0:0:ffff:1c80:3d46
28.128.61.71 0:0:0:0:0:ffff:1c80:3d47
28.128.61.72 0:0:0:0:0:ffff:1c80:3d48
28.128.61.73 0:0:0:0:0:ffff:1c80:3d49
28.128.61.74 0:0:0:0:0:ffff:1c80:3d4a
28.128.61.75 0:0:0:0:0:ffff:1c80:3d4b
28.128.61.76 0:0:0:0:0:ffff:1c80:3d4c
28.128.61.77 0:0:0:0:0:ffff:1c80:3d4d
28.128.61.78 0:0:0:0:0:ffff:1c80:3d4e
28.128.61.79 0:0:0:0:0:ffff:1c80:3d4f
28.128.61.80 0:0:0:0:0:ffff:1c80:3d50
28.128.61.81 0:0:0:0:0:ffff:1c80:3d51
28.128.61.82 0:0:0:0:0:ffff:1c80:3d52
28.128.61.83 0:0:0:0:0:ffff:1c80:3d53
28.128.61.84 0:0:0:0:0:ffff:1c80:3d54
28.128.61.85 0:0:0:0:0:ffff:1c80:3d55
28.128.61.86 0:0:0:0:0:ffff:1c80:3d56
28.128.61.87 0:0:0:0:0:ffff:1c80:3d57
28.128.61.88 0:0:0:0:0:ffff:1c80:3d58
28.128.61.89 0:0:0:0:0:ffff:1c80:3d59
28.128.61.90 0:0:0:0:0:ffff:1c80:3d5a
28.128.61.91 0:0:0:0:0:ffff:1c80:3d5b
28.128.61.92 0:0:0:0:0:ffff:1c80:3d5c
28.128.61.93 0:0:0:0:0:ffff:1c80:3d5d
28.128.61.94 0:0:0:0:0:ffff:1c80:3d5e
28.128.61.95 0:0:0:0:0:ffff:1c80:3d5f
28.128.61.96 0:0:0:0:0:ffff:1c80:3d60
28.128.61.97 0:0:0:0:0:ffff:1c80:3d61
28.128.61.98 0:0:0:0:0:ffff:1c80:3d62
28.128.61.99 0:0:0:0:0:ffff:1c80:3d63
28.128.61.100 0:0:0:0:0:ffff:1c80:3d64
28.128.61.101 0:0:0:0:0:ffff:1c80:3d65
28.128.61.102 0:0:0:0:0:ffff:1c80:3d66
28.128.61.103 0:0:0:0:0:ffff:1c80:3d67
28.128.61.104 0:0:0:0:0:ffff:1c80:3d68
28.128.61.105 0:0:0:0:0:ffff:1c80:3d69
28.128.61.106 0:0:0:0:0:ffff:1c80:3d6a
28.128.61.107 0:0:0:0:0:ffff:1c80:3d6b
28.128.61.108 0:0:0:0:0:ffff:1c80:3d6c
28.128.61.109 0:0:0:0:0:ffff:1c80:3d6d
28.128.61.110 0:0:0:0:0:ffff:1c80:3d6e
28.128.61.111 0:0:0:0:0:ffff:1c80:3d6f
28.128.61.112 0:0:0:0:0:ffff:1c80:3d70
28.128.61.113 0:0:0:0:0:ffff:1c80:3d71
28.128.61.114 0:0:0:0:0:ffff:1c80:3d72
28.128.61.115 0:0:0:0:0:ffff:1c80:3d73
28.128.61.116 0:0:0:0:0:ffff:1c80:3d74
28.128.61.117 0:0:0:0:0:ffff:1c80:3d75
28.128.61.118 0:0:0:0:0:ffff:1c80:3d76
28.128.61.119 0:0:0:0:0:ffff:1c80:3d77
28.128.61.120 0:0:0:0:0:ffff:1c80:3d78


28.128.61.121 0:0:0:0:0:ffff:1c80:3d79
28.128.61.122 0:0:0:0:0:ffff:1c80:3d7a
28.128.61.123 0:0:0:0:0:ffff:1c80:3d7b
28.128.61.124 0:0:0:0:0:ffff:1c80:3d7c
28.128.61.125 0:0:0:0:0:ffff:1c80:3d7d
28.128.61.126 0:0:0:0:0:ffff:1c80:3d7e
28.128.61.127 0:0:0:0:0:ffff:1c80:3d7f
28.128.61.128 0:0:0:0:0:ffff:1c80:3d80
28.128.61.129 0:0:0:0:0:ffff:1c80:3d81
28.128.61.130 0:0:0:0:0:ffff:1c80:3d82
28.128.61.131 0:0:0:0:0:ffff:1c80:3d83
28.128.61.132 0:0:0:0:0:ffff:1c80:3d84
28.128.61.133 0:0:0:0:0:ffff:1c80:3d85
28.128.61.134 0:0:0:0:0:ffff:1c80:3d86
28.128.61.135 0:0:0:0:0:ffff:1c80:3d87
28.128.61.136 0:0:0:0:0:ffff:1c80:3d88
28.128.61.137 0:0:0:0:0:ffff:1c80:3d89
28.128.61.138 0:0:0:0:0:ffff:1c80:3d8a
28.128.61.139 0:0:0:0:0:ffff:1c80:3d8b
28.128.61.140 0:0:0:0:0:ffff:1c80:3d8c
28.128.61.141 0:0:0:0:0:ffff:1c80:3d8d
28.128.61.142 0:0:0:0:0:ffff:1c80:3d8e
28.128.61.143 0:0:0:0:0:ffff:1c80:3d8f
28.128.61.144 0:0:0:0:0:ffff:1c80:3d90
28.128.61.145 0:0:0:0:0:ffff:1c80:3d91
28.128.61.146 0:0:0:0:0:ffff:1c80:3d92
28.128.61.147 0:0:0:0:0:ffff:1c80:3d93
28.128.61.148 0:0:0:0:0:ffff:1c80:3d94
28.128.61.149 0:0:0:0:0:ffff:1c80:3d95
28.128.61.150 0:0:0:0:0:ffff:1c80:3d96
28.128.61.151 0:0:0:0:0:ffff:1c80:3d97
28.128.61.152 0:0:0:0:0:ffff:1c80:3d98
28.128.61.153 0:0:0:0:0:ffff:1c80:3d99
28.128.61.154 0:0:0:0:0:ffff:1c80:3d9a
28.128.61.155 0:0:0:0:0:ffff:1c80:3d9b
28.128.61.156 0:0:0:0:0:ffff:1c80:3d9c
28.128.61.157 0:0:0:0:0:ffff:1c80:3d9d
28.128.61.158 0:0:0:0:0:ffff:1c80:3d9e
28.128.61.159 0:0:0:0:0:ffff:1c80:3d9f
28.128.61.160 0:0:0:0:0:ffff:1c80:3da0
28.128.61.161 0:0:0:0:0:ffff:1c80:3da1
28.128.61.162 0:0:0:0:0:ffff:1c80:3da2
28.128.61.163 0:0:0:0:0:ffff:1c80:3da3
28.128.61.164 0:0:0:0:0:ffff:1c80:3da4
28.128.61.165 0:0:0:0:0:ffff:1c80:3da5
28.128.61.166 0:0:0:0:0:ffff:1c80:3da6
28.128.61.167 0:0:0:0:0:ffff:1c80:3da7
28.128.61.168 0:0:0:0:0:ffff:1c80:3da8
28.128.61.169 0:0:0:0:0:ffff:1c80:3da9
28.128.61.170 0:0:0:0:0:ffff:1c80:3daa
28.128.61.171 0:0:0:0:0:ffff:1c80:3dab
28.128.61.172 0:0:0:0:0:ffff:1c80:3dac
28.128.61.173 0:0:0:0:0:ffff:1c80:3dad
28.128.61.174 0:0:0:0:0:ffff:1c80:3dae
28.128.61.175 0:0:0:0:0:ffff:1c80:3daf
28.128.61.176 0:0:0:0:0:ffff:1c80:3db0
28.128.61.177 0:0:0:0:0:ffff:1c80:3db1
28.128.61.178 0:0:0:0:0:ffff:1c80:3db2
28.128.61.179 0:0:0:0:0:ffff:1c80:3db3
28.128.61.180 0:0:0:0:0:ffff:1c80:3db4


28.128.61.181 0:0:0:0:0:ffff:1c80:3db5
28.128.61.182 0:0:0:0:0:ffff:1c80:3db6
28.128.61.183 0:0:0:0:0:ffff:1c80:3db7
28.128.61.184 0:0:0:0:0:ffff:1c80:3db8
28.128.61.185 0:0:0:0:0:ffff:1c80:3db9
28.128.61.186 0:0:0:0:0:ffff:1c80:3dba
28.128.61.187 0:0:0:0:0:ffff:1c80:3dbb
28.128.61.188 0:0:0:0:0:ffff:1c80:3dbc
28.128.61.189 0:0:0:0:0:ffff:1c80:3dbd
28.128.61.190 0:0:0:0:0:ffff:1c80:3dbe
28.128.61.191 0:0:0:0:0:ffff:1c80:3dbf
28.128.61.192 0:0:0:0:0:ffff:1c80:3dc0
28.128.61.193 0:0:0:0:0:ffff:1c80:3dc1
28.128.61.194 0:0:0:0:0:ffff:1c80:3dc2
28.128.61.195 0:0:0:0:0:ffff:1c80:3dc3
28.128.61.196 0:0:0:0:0:ffff:1c80:3dc4
28.128.61.197 0:0:0:0:0:ffff:1c80:3dc5
28.128.61.198 0:0:0:0:0:ffff:1c80:3dc6
28.128.61.199 0:0:0:0:0:ffff:1c80:3dc7
28.128.61.200 0:0:0:0:0:ffff:1c80:3dc8
28.128.61.201 0:0:0:0:0:ffff:1c80:3dc9
28.128.61.202 0:0:0:0:0:ffff:1c80:3dca
28.128.61.203 0:0:0:0:0:ffff:1c80:3dcb
28.128.61.204 0:0:0:0:0:ffff:1c80:3dcc
28.128.61.205 0:0:0:0:0:ffff:1c80:3dcd
28.128.61.206 0:0:0:0:0:ffff:1c80:3dce
28.128.61.207 0:0:0:0:0:ffff:1c80:3dcf
28.128.61.208 0:0:0:0:0:ffff:1c80:3dd0
28.128.61.209 0:0:0:0:0:ffff:1c80:3dd1
28.128.61.210 0:0:0:0:0:ffff:1c80:3dd2
28.128.61.211 0:0:0:0:0:ffff:1c80:3dd3
28.128.61.212 0:0:0:0:0:ffff:1c80:3dd4
28.128.61.213 0:0:0:0:0:ffff:1c80:3dd5
28.128.61.214 0:0:0:0:0:ffff:1c80:3dd6
28.128.61.215 0:0:0:0:0:ffff:1c80:3dd7
28.128.61.216 0:0:0:0:0:ffff:1c80:3dd8
28.128.61.217 0:0:0:0:0:ffff:1c80:3dd9
28.128.61.218 0:0:0:0:0:ffff:1c80:3dda
28.128.61.219 0:0:0:0:0:ffff:1c80:3ddb
28.128.61.220 0:0:0:0:0:ffff:1c80:3ddc
28.128.61.221 0:0:0:0:0:ffff:1c80:3ddd
28.128.61.222 0:0:0:0:0:ffff:1c80:3dde
28.128.61.223 0:0:0:0:0:ffff:1c80:3ddf
28.128.61.224 0:0:0:0:0:ffff:1c80:3de0
28.128.61.225 0:0:0:0:0:ffff:1c80:3de1
28.128.61.226 0:0:0:0:0:ffff:1c80:3de2
28.128.61.227 0:0:0:0:0:ffff:1c80:3de3
28.128.61.228 0:0:0:0:0:ffff:1c80:3de4
28.128.61.229 0:0:0:0:0:ffff:1c80:3de5
28.128.61.230 0:0:0:0:0:ffff:1c80:3de6
28.128.61.231 0:0:0:0:0:ffff:1c80:3de7
28.128.61.232 0:0:0:0:0:ffff:1c80:3de8
28.128.61.233 0:0:0:0:0:ffff:1c80:3de9
28.128.61.234 0:0:0:0:0:ffff:1c80:3dea
28.128.61.235 0:0:0:0:0:ffff:1c80:3deb
28.128.61.236 0:0:0:0:0:ffff:1c80:3dec
28.128.61.237 0:0:0:0:0:ffff:1c80:3ded
28.128.61.238 0:0:0:0:0:ffff:1c80:3dee
28.128.61.239 0:0:0:0:0:ffff:1c80:3def
28.128.61.240 0:0:0:0:0:ffff:1c80:3df0
28.128.61.241 0:0:0:0:0:ffff:1c80:3df1
28.128.61.242 0:0:0:0:0:ffff:1c80:3df2
28.128.61.243 0:0:0:0:0:ffff:1c80:3df3
28.128.61.244 0:0:0:0:0:ffff:1c80:3df4
28.128.61.245 0:0:0:0:0:ffff:1c80:3df5
28.128.61.246 0:0:0:0:0:ffff:1c80:3df6
28.128.61.247 0:0:0:0:0:ffff:1c80:3df7
28.128.61.248 0:0:0:0:0:ffff:1c80:3df8
28.128.61.249 0:0:0:0:0:ffff:1c80:3df9
28.128.61.250 0:0:0:0:0:ffff:1c80:3dfa
28.128.61.251 0:0:0:0:0:ffff:1c80:3dfb
28.128.61.252 0:0:0:0:0:ffff:1c80:3dfc
28.128.61.253 0:0:0:0:0:ffff:1c80:3dfd
28.128.61.254 0:0:0:0:0:ffff:1c80:3dfe
28.128.61.255 0:0:0:0:0:ffff:1c80:3dff


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.