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
6.128.255.1 0:0:0:0:0:ffff:680:ff01
6.128.255.2 0:0:0:0:0:ffff:680:ff02
6.128.255.3 0:0:0:0:0:ffff:680:ff03
6.128.255.4 0:0:0:0:0:ffff:680:ff04
6.128.255.5 0:0:0:0:0:ffff:680:ff05
6.128.255.6 0:0:0:0:0:ffff:680:ff06
6.128.255.7 0:0:0:0:0:ffff:680:ff07
6.128.255.8 0:0:0:0:0:ffff:680:ff08
6.128.255.9 0:0:0:0:0:ffff:680:ff09
6.128.255.10 0:0:0:0:0:ffff:680:ff0a
6.128.255.11 0:0:0:0:0:ffff:680:ff0b
6.128.255.12 0:0:0:0:0:ffff:680:ff0c
6.128.255.13 0:0:0:0:0:ffff:680:ff0d
6.128.255.14 0:0:0:0:0:ffff:680:ff0e
6.128.255.15 0:0:0:0:0:ffff:680:ff0f
6.128.255.16 0:0:0:0:0:ffff:680:ff10
6.128.255.17 0:0:0:0:0:ffff:680:ff11
6.128.255.18 0:0:0:0:0:ffff:680:ff12
6.128.255.19 0:0:0:0:0:ffff:680:ff13
6.128.255.20 0:0:0:0:0:ffff:680:ff14
6.128.255.21 0:0:0:0:0:ffff:680:ff15
6.128.255.22 0:0:0:0:0:ffff:680:ff16
6.128.255.23 0:0:0:0:0:ffff:680:ff17
6.128.255.24 0:0:0:0:0:ffff:680:ff18
6.128.255.25 0:0:0:0:0:ffff:680:ff19
6.128.255.26 0:0:0:0:0:ffff:680:ff1a
6.128.255.27 0:0:0:0:0:ffff:680:ff1b
6.128.255.28 0:0:0:0:0:ffff:680:ff1c
6.128.255.29 0:0:0:0:0:ffff:680:ff1d
6.128.255.30 0:0:0:0:0:ffff:680:ff1e
6.128.255.31 0:0:0:0:0:ffff:680:ff1f
6.128.255.32 0:0:0:0:0:ffff:680:ff20
6.128.255.33 0:0:0:0:0:ffff:680:ff21
6.128.255.34 0:0:0:0:0:ffff:680:ff22
6.128.255.35 0:0:0:0:0:ffff:680:ff23
6.128.255.36 0:0:0:0:0:ffff:680:ff24
6.128.255.37 0:0:0:0:0:ffff:680:ff25
6.128.255.38 0:0:0:0:0:ffff:680:ff26
6.128.255.39 0:0:0:0:0:ffff:680:ff27
6.128.255.40 0:0:0:0:0:ffff:680:ff28
6.128.255.41 0:0:0:0:0:ffff:680:ff29
6.128.255.42 0:0:0:0:0:ffff:680:ff2a
6.128.255.43 0:0:0:0:0:ffff:680:ff2b
6.128.255.44 0:0:0:0:0:ffff:680:ff2c
6.128.255.45 0:0:0:0:0:ffff:680:ff2d
6.128.255.46 0:0:0:0:0:ffff:680:ff2e
6.128.255.47 0:0:0:0:0:ffff:680:ff2f
6.128.255.48 0:0:0:0:0:ffff:680:ff30
6.128.255.49 0:0:0:0:0:ffff:680:ff31
6.128.255.50 0:0:0:0:0:ffff:680:ff32
6.128.255.51 0:0:0:0:0:ffff:680:ff33
6.128.255.52 0:0:0:0:0:ffff:680:ff34
6.128.255.53 0:0:0:0:0:ffff:680:ff35
6.128.255.54 0:0:0:0:0:ffff:680:ff36
6.128.255.55 0:0:0:0:0:ffff:680:ff37
6.128.255.56 0:0:0:0:0:ffff:680:ff38
6.128.255.57 0:0:0:0:0:ffff:680:ff39
6.128.255.58 0:0:0:0:0:ffff:680:ff3a
6.128.255.59 0:0:0:0:0:ffff:680:ff3b
6.128.255.60 0:0:0:0:0:ffff:680:ff3c


6.128.255.61 0:0:0:0:0:ffff:680:ff3d
6.128.255.62 0:0:0:0:0:ffff:680:ff3e
6.128.255.63 0:0:0:0:0:ffff:680:ff3f
6.128.255.64 0:0:0:0:0:ffff:680:ff40
6.128.255.65 0:0:0:0:0:ffff:680:ff41
6.128.255.66 0:0:0:0:0:ffff:680:ff42
6.128.255.67 0:0:0:0:0:ffff:680:ff43
6.128.255.68 0:0:0:0:0:ffff:680:ff44
6.128.255.69 0:0:0:0:0:ffff:680:ff45
6.128.255.70 0:0:0:0:0:ffff:680:ff46
6.128.255.71 0:0:0:0:0:ffff:680:ff47
6.128.255.72 0:0:0:0:0:ffff:680:ff48
6.128.255.73 0:0:0:0:0:ffff:680:ff49
6.128.255.74 0:0:0:0:0:ffff:680:ff4a
6.128.255.75 0:0:0:0:0:ffff:680:ff4b
6.128.255.76 0:0:0:0:0:ffff:680:ff4c
6.128.255.77 0:0:0:0:0:ffff:680:ff4d
6.128.255.78 0:0:0:0:0:ffff:680:ff4e
6.128.255.79 0:0:0:0:0:ffff:680:ff4f
6.128.255.80 0:0:0:0:0:ffff:680:ff50
6.128.255.81 0:0:0:0:0:ffff:680:ff51
6.128.255.82 0:0:0:0:0:ffff:680:ff52
6.128.255.83 0:0:0:0:0:ffff:680:ff53
6.128.255.84 0:0:0:0:0:ffff:680:ff54
6.128.255.85 0:0:0:0:0:ffff:680:ff55
6.128.255.86 0:0:0:0:0:ffff:680:ff56
6.128.255.87 0:0:0:0:0:ffff:680:ff57
6.128.255.88 0:0:0:0:0:ffff:680:ff58
6.128.255.89 0:0:0:0:0:ffff:680:ff59
6.128.255.90 0:0:0:0:0:ffff:680:ff5a
6.128.255.91 0:0:0:0:0:ffff:680:ff5b
6.128.255.92 0:0:0:0:0:ffff:680:ff5c
6.128.255.93 0:0:0:0:0:ffff:680:ff5d
6.128.255.94 0:0:0:0:0:ffff:680:ff5e
6.128.255.95 0:0:0:0:0:ffff:680:ff5f
6.128.255.96 0:0:0:0:0:ffff:680:ff60
6.128.255.97 0:0:0:0:0:ffff:680:ff61
6.128.255.98 0:0:0:0:0:ffff:680:ff62
6.128.255.99 0:0:0:0:0:ffff:680:ff63
6.128.255.100 0:0:0:0:0:ffff:680:ff64
6.128.255.101 0:0:0:0:0:ffff:680:ff65
6.128.255.102 0:0:0:0:0:ffff:680:ff66
6.128.255.103 0:0:0:0:0:ffff:680:ff67
6.128.255.104 0:0:0:0:0:ffff:680:ff68
6.128.255.105 0:0:0:0:0:ffff:680:ff69
6.128.255.106 0:0:0:0:0:ffff:680:ff6a
6.128.255.107 0:0:0:0:0:ffff:680:ff6b
6.128.255.108 0:0:0:0:0:ffff:680:ff6c
6.128.255.109 0:0:0:0:0:ffff:680:ff6d
6.128.255.110 0:0:0:0:0:ffff:680:ff6e
6.128.255.111 0:0:0:0:0:ffff:680:ff6f
6.128.255.112 0:0:0:0:0:ffff:680:ff70
6.128.255.113 0:0:0:0:0:ffff:680:ff71
6.128.255.114 0:0:0:0:0:ffff:680:ff72
6.128.255.115 0:0:0:0:0:ffff:680:ff73
6.128.255.116 0:0:0:0:0:ffff:680:ff74
6.128.255.117 0:0:0:0:0:ffff:680:ff75
6.128.255.118 0:0:0:0:0:ffff:680:ff76
6.128.255.119 0:0:0:0:0:ffff:680:ff77
6.128.255.120 0:0:0:0:0:ffff:680:ff78


6.128.255.121 0:0:0:0:0:ffff:680:ff79
6.128.255.122 0:0:0:0:0:ffff:680:ff7a
6.128.255.123 0:0:0:0:0:ffff:680:ff7b
6.128.255.124 0:0:0:0:0:ffff:680:ff7c
6.128.255.125 0:0:0:0:0:ffff:680:ff7d
6.128.255.126 0:0:0:0:0:ffff:680:ff7e
6.128.255.127 0:0:0:0:0:ffff:680:ff7f
6.128.255.128 0:0:0:0:0:ffff:680:ff80
6.128.255.129 0:0:0:0:0:ffff:680:ff81
6.128.255.130 0:0:0:0:0:ffff:680:ff82
6.128.255.131 0:0:0:0:0:ffff:680:ff83
6.128.255.132 0:0:0:0:0:ffff:680:ff84
6.128.255.133 0:0:0:0:0:ffff:680:ff85
6.128.255.134 0:0:0:0:0:ffff:680:ff86
6.128.255.135 0:0:0:0:0:ffff:680:ff87
6.128.255.136 0:0:0:0:0:ffff:680:ff88
6.128.255.137 0:0:0:0:0:ffff:680:ff89
6.128.255.138 0:0:0:0:0:ffff:680:ff8a
6.128.255.139 0:0:0:0:0:ffff:680:ff8b
6.128.255.140 0:0:0:0:0:ffff:680:ff8c
6.128.255.141 0:0:0:0:0:ffff:680:ff8d
6.128.255.142 0:0:0:0:0:ffff:680:ff8e
6.128.255.143 0:0:0:0:0:ffff:680:ff8f
6.128.255.144 0:0:0:0:0:ffff:680:ff90
6.128.255.145 0:0:0:0:0:ffff:680:ff91
6.128.255.146 0:0:0:0:0:ffff:680:ff92
6.128.255.147 0:0:0:0:0:ffff:680:ff93
6.128.255.148 0:0:0:0:0:ffff:680:ff94
6.128.255.149 0:0:0:0:0:ffff:680:ff95
6.128.255.150 0:0:0:0:0:ffff:680:ff96
6.128.255.151 0:0:0:0:0:ffff:680:ff97
6.128.255.152 0:0:0:0:0:ffff:680:ff98
6.128.255.153 0:0:0:0:0:ffff:680:ff99
6.128.255.154 0:0:0:0:0:ffff:680:ff9a
6.128.255.155 0:0:0:0:0:ffff:680:ff9b
6.128.255.156 0:0:0:0:0:ffff:680:ff9c
6.128.255.157 0:0:0:0:0:ffff:680:ff9d
6.128.255.158 0:0:0:0:0:ffff:680:ff9e
6.128.255.159 0:0:0:0:0:ffff:680:ff9f
6.128.255.160 0:0:0:0:0:ffff:680:ffa0
6.128.255.161 0:0:0:0:0:ffff:680:ffa1
6.128.255.162 0:0:0:0:0:ffff:680:ffa2
6.128.255.163 0:0:0:0:0:ffff:680:ffa3
6.128.255.164 0:0:0:0:0:ffff:680:ffa4
6.128.255.165 0:0:0:0:0:ffff:680:ffa5
6.128.255.166 0:0:0:0:0:ffff:680:ffa6
6.128.255.167 0:0:0:0:0:ffff:680:ffa7
6.128.255.168 0:0:0:0:0:ffff:680:ffa8
6.128.255.169 0:0:0:0:0:ffff:680:ffa9
6.128.255.170 0:0:0:0:0:ffff:680:ffaa
6.128.255.171 0:0:0:0:0:ffff:680:ffab
6.128.255.172 0:0:0:0:0:ffff:680:ffac
6.128.255.173 0:0:0:0:0:ffff:680:ffad
6.128.255.174 0:0:0:0:0:ffff:680:ffae
6.128.255.175 0:0:0:0:0:ffff:680:ffaf
6.128.255.176 0:0:0:0:0:ffff:680:ffb0
6.128.255.177 0:0:0:0:0:ffff:680:ffb1
6.128.255.178 0:0:0:0:0:ffff:680:ffb2
6.128.255.179 0:0:0:0:0:ffff:680:ffb3
6.128.255.180 0:0:0:0:0:ffff:680:ffb4


6.128.255.181 0:0:0:0:0:ffff:680:ffb5
6.128.255.182 0:0:0:0:0:ffff:680:ffb6
6.128.255.183 0:0:0:0:0:ffff:680:ffb7
6.128.255.184 0:0:0:0:0:ffff:680:ffb8
6.128.255.185 0:0:0:0:0:ffff:680:ffb9
6.128.255.186 0:0:0:0:0:ffff:680:ffba
6.128.255.187 0:0:0:0:0:ffff:680:ffbb
6.128.255.188 0:0:0:0:0:ffff:680:ffbc
6.128.255.189 0:0:0:0:0:ffff:680:ffbd
6.128.255.190 0:0:0:0:0:ffff:680:ffbe
6.128.255.191 0:0:0:0:0:ffff:680:ffbf
6.128.255.192 0:0:0:0:0:ffff:680:ffc0
6.128.255.193 0:0:0:0:0:ffff:680:ffc1
6.128.255.194 0:0:0:0:0:ffff:680:ffc2
6.128.255.195 0:0:0:0:0:ffff:680:ffc3
6.128.255.196 0:0:0:0:0:ffff:680:ffc4
6.128.255.197 0:0:0:0:0:ffff:680:ffc5
6.128.255.198 0:0:0:0:0:ffff:680:ffc6
6.128.255.199 0:0:0:0:0:ffff:680:ffc7
6.128.255.200 0:0:0:0:0:ffff:680:ffc8
6.128.255.201 0:0:0:0:0:ffff:680:ffc9
6.128.255.202 0:0:0:0:0:ffff:680:ffca
6.128.255.203 0:0:0:0:0:ffff:680:ffcb
6.128.255.204 0:0:0:0:0:ffff:680:ffcc
6.128.255.205 0:0:0:0:0:ffff:680:ffcd
6.128.255.206 0:0:0:0:0:ffff:680:ffce
6.128.255.207 0:0:0:0:0:ffff:680:ffcf
6.128.255.208 0:0:0:0:0:ffff:680:ffd0
6.128.255.209 0:0:0:0:0:ffff:680:ffd1
6.128.255.210 0:0:0:0:0:ffff:680:ffd2
6.128.255.211 0:0:0:0:0:ffff:680:ffd3
6.128.255.212 0:0:0:0:0:ffff:680:ffd4
6.128.255.213 0:0:0:0:0:ffff:680:ffd5
6.128.255.214 0:0:0:0:0:ffff:680:ffd6
6.128.255.215 0:0:0:0:0:ffff:680:ffd7
6.128.255.216 0:0:0:0:0:ffff:680:ffd8
6.128.255.217 0:0:0:0:0:ffff:680:ffd9
6.128.255.218 0:0:0:0:0:ffff:680:ffda
6.128.255.219 0:0:0:0:0:ffff:680:ffdb
6.128.255.220 0:0:0:0:0:ffff:680:ffdc
6.128.255.221 0:0:0:0:0:ffff:680:ffdd
6.128.255.222 0:0:0:0:0:ffff:680:ffde
6.128.255.223 0:0:0:0:0:ffff:680:ffdf
6.128.255.224 0:0:0:0:0:ffff:680:ffe0
6.128.255.225 0:0:0:0:0:ffff:680:ffe1
6.128.255.226 0:0:0:0:0:ffff:680:ffe2
6.128.255.227 0:0:0:0:0:ffff:680:ffe3
6.128.255.228 0:0:0:0:0:ffff:680:ffe4
6.128.255.229 0:0:0:0:0:ffff:680:ffe5
6.128.255.230 0:0:0:0:0:ffff:680:ffe6
6.128.255.231 0:0:0:0:0:ffff:680:ffe7
6.128.255.232 0:0:0:0:0:ffff:680:ffe8
6.128.255.233 0:0:0:0:0:ffff:680:ffe9
6.128.255.234 0:0:0:0:0:ffff:680:ffea
6.128.255.235 0:0:0:0:0:ffff:680:ffeb
6.128.255.236 0:0:0:0:0:ffff:680:ffec
6.128.255.237 0:0:0:0:0:ffff:680:ffed
6.128.255.238 0:0:0:0:0:ffff:680:ffee
6.128.255.239 0:0:0:0:0:ffff:680:ffef
6.128.255.240 0:0:0:0:0:ffff:680:fff0
6.128.255.241 0:0:0:0:0:ffff:680:fff1
6.128.255.242 0:0:0:0:0:ffff:680:fff2
6.128.255.243 0:0:0:0:0:ffff:680:fff3
6.128.255.244 0:0:0:0:0:ffff:680:fff4
6.128.255.245 0:0:0:0:0:ffff:680:fff5
6.128.255.246 0:0:0:0:0:ffff:680:fff6
6.128.255.247 0:0:0:0:0:ffff:680:fff7
6.128.255.248 0:0:0:0:0:ffff:680:fff8
6.128.255.249 0:0:0:0:0:ffff:680:fff9
6.128.255.250 0:0:0:0:0:ffff:680:fffa
6.128.255.251 0:0:0:0:0:ffff:680:fffb
6.128.255.252 0:0:0:0:0:ffff:680:fffc
6.128.255.253 0:0:0:0:0:ffff:680:fffd
6.128.255.254 0:0:0:0:0:ffff:680:fffe
6.128.255.255 0:0:0:0:0:ffff:680:ffff


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.