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
17.40.12.1 0:0:0:0:0:ffff:1128:c01
17.40.12.2 0:0:0:0:0:ffff:1128:c02
17.40.12.3 0:0:0:0:0:ffff:1128:c03
17.40.12.4 0:0:0:0:0:ffff:1128:c04
17.40.12.5 0:0:0:0:0:ffff:1128:c05
17.40.12.6 0:0:0:0:0:ffff:1128:c06
17.40.12.7 0:0:0:0:0:ffff:1128:c07
17.40.12.8 0:0:0:0:0:ffff:1128:c08
17.40.12.9 0:0:0:0:0:ffff:1128:c09
17.40.12.10 0:0:0:0:0:ffff:1128:c0a
17.40.12.11 0:0:0:0:0:ffff:1128:c0b
17.40.12.12 0:0:0:0:0:ffff:1128:c0c
17.40.12.13 0:0:0:0:0:ffff:1128:c0d
17.40.12.14 0:0:0:0:0:ffff:1128:c0e
17.40.12.15 0:0:0:0:0:ffff:1128:c0f
17.40.12.16 0:0:0:0:0:ffff:1128:c10
17.40.12.17 0:0:0:0:0:ffff:1128:c11
17.40.12.18 0:0:0:0:0:ffff:1128:c12
17.40.12.19 0:0:0:0:0:ffff:1128:c13
17.40.12.20 0:0:0:0:0:ffff:1128:c14
17.40.12.21 0:0:0:0:0:ffff:1128:c15
17.40.12.22 0:0:0:0:0:ffff:1128:c16
17.40.12.23 0:0:0:0:0:ffff:1128:c17
17.40.12.24 0:0:0:0:0:ffff:1128:c18
17.40.12.25 0:0:0:0:0:ffff:1128:c19
17.40.12.26 0:0:0:0:0:ffff:1128:c1a
17.40.12.27 0:0:0:0:0:ffff:1128:c1b
17.40.12.28 0:0:0:0:0:ffff:1128:c1c
17.40.12.29 0:0:0:0:0:ffff:1128:c1d
17.40.12.30 0:0:0:0:0:ffff:1128:c1e
17.40.12.31 0:0:0:0:0:ffff:1128:c1f
17.40.12.32 0:0:0:0:0:ffff:1128:c20
17.40.12.33 0:0:0:0:0:ffff:1128:c21
17.40.12.34 0:0:0:0:0:ffff:1128:c22
17.40.12.35 0:0:0:0:0:ffff:1128:c23
17.40.12.36 0:0:0:0:0:ffff:1128:c24
17.40.12.37 0:0:0:0:0:ffff:1128:c25
17.40.12.38 0:0:0:0:0:ffff:1128:c26
17.40.12.39 0:0:0:0:0:ffff:1128:c27
17.40.12.40 0:0:0:0:0:ffff:1128:c28
17.40.12.41 0:0:0:0:0:ffff:1128:c29
17.40.12.42 0:0:0:0:0:ffff:1128:c2a
17.40.12.43 0:0:0:0:0:ffff:1128:c2b
17.40.12.44 0:0:0:0:0:ffff:1128:c2c
17.40.12.45 0:0:0:0:0:ffff:1128:c2d
17.40.12.46 0:0:0:0:0:ffff:1128:c2e
17.40.12.47 0:0:0:0:0:ffff:1128:c2f
17.40.12.48 0:0:0:0:0:ffff:1128:c30
17.40.12.49 0:0:0:0:0:ffff:1128:c31
17.40.12.50 0:0:0:0:0:ffff:1128:c32
17.40.12.51 0:0:0:0:0:ffff:1128:c33
17.40.12.52 0:0:0:0:0:ffff:1128:c34
17.40.12.53 0:0:0:0:0:ffff:1128:c35
17.40.12.54 0:0:0:0:0:ffff:1128:c36
17.40.12.55 0:0:0:0:0:ffff:1128:c37
17.40.12.56 0:0:0:0:0:ffff:1128:c38
17.40.12.57 0:0:0:0:0:ffff:1128:c39
17.40.12.58 0:0:0:0:0:ffff:1128:c3a
17.40.12.59 0:0:0:0:0:ffff:1128:c3b
17.40.12.60 0:0:0:0:0:ffff:1128:c3c


17.40.12.61 0:0:0:0:0:ffff:1128:c3d
17.40.12.62 0:0:0:0:0:ffff:1128:c3e
17.40.12.63 0:0:0:0:0:ffff:1128:c3f
17.40.12.64 0:0:0:0:0:ffff:1128:c40
17.40.12.65 0:0:0:0:0:ffff:1128:c41
17.40.12.66 0:0:0:0:0:ffff:1128:c42
17.40.12.67 0:0:0:0:0:ffff:1128:c43
17.40.12.68 0:0:0:0:0:ffff:1128:c44
17.40.12.69 0:0:0:0:0:ffff:1128:c45
17.40.12.70 0:0:0:0:0:ffff:1128:c46
17.40.12.71 0:0:0:0:0:ffff:1128:c47
17.40.12.72 0:0:0:0:0:ffff:1128:c48
17.40.12.73 0:0:0:0:0:ffff:1128:c49
17.40.12.74 0:0:0:0:0:ffff:1128:c4a
17.40.12.75 0:0:0:0:0:ffff:1128:c4b
17.40.12.76 0:0:0:0:0:ffff:1128:c4c
17.40.12.77 0:0:0:0:0:ffff:1128:c4d
17.40.12.78 0:0:0:0:0:ffff:1128:c4e
17.40.12.79 0:0:0:0:0:ffff:1128:c4f
17.40.12.80 0:0:0:0:0:ffff:1128:c50
17.40.12.81 0:0:0:0:0:ffff:1128:c51
17.40.12.82 0:0:0:0:0:ffff:1128:c52
17.40.12.83 0:0:0:0:0:ffff:1128:c53
17.40.12.84 0:0:0:0:0:ffff:1128:c54
17.40.12.85 0:0:0:0:0:ffff:1128:c55
17.40.12.86 0:0:0:0:0:ffff:1128:c56
17.40.12.87 0:0:0:0:0:ffff:1128:c57
17.40.12.88 0:0:0:0:0:ffff:1128:c58
17.40.12.89 0:0:0:0:0:ffff:1128:c59
17.40.12.90 0:0:0:0:0:ffff:1128:c5a
17.40.12.91 0:0:0:0:0:ffff:1128:c5b
17.40.12.92 0:0:0:0:0:ffff:1128:c5c
17.40.12.93 0:0:0:0:0:ffff:1128:c5d
17.40.12.94 0:0:0:0:0:ffff:1128:c5e
17.40.12.95 0:0:0:0:0:ffff:1128:c5f
17.40.12.96 0:0:0:0:0:ffff:1128:c60
17.40.12.97 0:0:0:0:0:ffff:1128:c61
17.40.12.98 0:0:0:0:0:ffff:1128:c62
17.40.12.99 0:0:0:0:0:ffff:1128:c63
17.40.12.100 0:0:0:0:0:ffff:1128:c64
17.40.12.101 0:0:0:0:0:ffff:1128:c65
17.40.12.102 0:0:0:0:0:ffff:1128:c66
17.40.12.103 0:0:0:0:0:ffff:1128:c67
17.40.12.104 0:0:0:0:0:ffff:1128:c68
17.40.12.105 0:0:0:0:0:ffff:1128:c69
17.40.12.106 0:0:0:0:0:ffff:1128:c6a
17.40.12.107 0:0:0:0:0:ffff:1128:c6b
17.40.12.108 0:0:0:0:0:ffff:1128:c6c
17.40.12.109 0:0:0:0:0:ffff:1128:c6d
17.40.12.110 0:0:0:0:0:ffff:1128:c6e
17.40.12.111 0:0:0:0:0:ffff:1128:c6f
17.40.12.112 0:0:0:0:0:ffff:1128:c70
17.40.12.113 0:0:0:0:0:ffff:1128:c71
17.40.12.114 0:0:0:0:0:ffff:1128:c72
17.40.12.115 0:0:0:0:0:ffff:1128:c73
17.40.12.116 0:0:0:0:0:ffff:1128:c74
17.40.12.117 0:0:0:0:0:ffff:1128:c75
17.40.12.118 0:0:0:0:0:ffff:1128:c76
17.40.12.119 0:0:0:0:0:ffff:1128:c77
17.40.12.120 0:0:0:0:0:ffff:1128:c78


17.40.12.121 0:0:0:0:0:ffff:1128:c79
17.40.12.122 0:0:0:0:0:ffff:1128:c7a
17.40.12.123 0:0:0:0:0:ffff:1128:c7b
17.40.12.124 0:0:0:0:0:ffff:1128:c7c
17.40.12.125 0:0:0:0:0:ffff:1128:c7d
17.40.12.126 0:0:0:0:0:ffff:1128:c7e
17.40.12.127 0:0:0:0:0:ffff:1128:c7f
17.40.12.128 0:0:0:0:0:ffff:1128:c80
17.40.12.129 0:0:0:0:0:ffff:1128:c81
17.40.12.130 0:0:0:0:0:ffff:1128:c82
17.40.12.131 0:0:0:0:0:ffff:1128:c83
17.40.12.132 0:0:0:0:0:ffff:1128:c84
17.40.12.133 0:0:0:0:0:ffff:1128:c85
17.40.12.134 0:0:0:0:0:ffff:1128:c86
17.40.12.135 0:0:0:0:0:ffff:1128:c87
17.40.12.136 0:0:0:0:0:ffff:1128:c88
17.40.12.137 0:0:0:0:0:ffff:1128:c89
17.40.12.138 0:0:0:0:0:ffff:1128:c8a
17.40.12.139 0:0:0:0:0:ffff:1128:c8b
17.40.12.140 0:0:0:0:0:ffff:1128:c8c
17.40.12.141 0:0:0:0:0:ffff:1128:c8d
17.40.12.142 0:0:0:0:0:ffff:1128:c8e
17.40.12.143 0:0:0:0:0:ffff:1128:c8f
17.40.12.144 0:0:0:0:0:ffff:1128:c90
17.40.12.145 0:0:0:0:0:ffff:1128:c91
17.40.12.146 0:0:0:0:0:ffff:1128:c92
17.40.12.147 0:0:0:0:0:ffff:1128:c93
17.40.12.148 0:0:0:0:0:ffff:1128:c94
17.40.12.149 0:0:0:0:0:ffff:1128:c95
17.40.12.150 0:0:0:0:0:ffff:1128:c96
17.40.12.151 0:0:0:0:0:ffff:1128:c97
17.40.12.152 0:0:0:0:0:ffff:1128:c98
17.40.12.153 0:0:0:0:0:ffff:1128:c99
17.40.12.154 0:0:0:0:0:ffff:1128:c9a
17.40.12.155 0:0:0:0:0:ffff:1128:c9b
17.40.12.156 0:0:0:0:0:ffff:1128:c9c
17.40.12.157 0:0:0:0:0:ffff:1128:c9d
17.40.12.158 0:0:0:0:0:ffff:1128:c9e
17.40.12.159 0:0:0:0:0:ffff:1128:c9f
17.40.12.160 0:0:0:0:0:ffff:1128:ca0
17.40.12.161 0:0:0:0:0:ffff:1128:ca1
17.40.12.162 0:0:0:0:0:ffff:1128:ca2
17.40.12.163 0:0:0:0:0:ffff:1128:ca3
17.40.12.164 0:0:0:0:0:ffff:1128:ca4
17.40.12.165 0:0:0:0:0:ffff:1128:ca5
17.40.12.166 0:0:0:0:0:ffff:1128:ca6
17.40.12.167 0:0:0:0:0:ffff:1128:ca7
17.40.12.168 0:0:0:0:0:ffff:1128:ca8
17.40.12.169 0:0:0:0:0:ffff:1128:ca9
17.40.12.170 0:0:0:0:0:ffff:1128:caa
17.40.12.171 0:0:0:0:0:ffff:1128:cab
17.40.12.172 0:0:0:0:0:ffff:1128:cac
17.40.12.173 0:0:0:0:0:ffff:1128:cad
17.40.12.174 0:0:0:0:0:ffff:1128:cae
17.40.12.175 0:0:0:0:0:ffff:1128:caf
17.40.12.176 0:0:0:0:0:ffff:1128:cb0
17.40.12.177 0:0:0:0:0:ffff:1128:cb1
17.40.12.178 0:0:0:0:0:ffff:1128:cb2
17.40.12.179 0:0:0:0:0:ffff:1128:cb3
17.40.12.180 0:0:0:0:0:ffff:1128:cb4


17.40.12.181 0:0:0:0:0:ffff:1128:cb5
17.40.12.182 0:0:0:0:0:ffff:1128:cb6
17.40.12.183 0:0:0:0:0:ffff:1128:cb7
17.40.12.184 0:0:0:0:0:ffff:1128:cb8
17.40.12.185 0:0:0:0:0:ffff:1128:cb9
17.40.12.186 0:0:0:0:0:ffff:1128:cba
17.40.12.187 0:0:0:0:0:ffff:1128:cbb
17.40.12.188 0:0:0:0:0:ffff:1128:cbc
17.40.12.189 0:0:0:0:0:ffff:1128:cbd
17.40.12.190 0:0:0:0:0:ffff:1128:cbe
17.40.12.191 0:0:0:0:0:ffff:1128:cbf
17.40.12.192 0:0:0:0:0:ffff:1128:cc0
17.40.12.193 0:0:0:0:0:ffff:1128:cc1
17.40.12.194 0:0:0:0:0:ffff:1128:cc2
17.40.12.195 0:0:0:0:0:ffff:1128:cc3
17.40.12.196 0:0:0:0:0:ffff:1128:cc4
17.40.12.197 0:0:0:0:0:ffff:1128:cc5
17.40.12.198 0:0:0:0:0:ffff:1128:cc6
17.40.12.199 0:0:0:0:0:ffff:1128:cc7
17.40.12.200 0:0:0:0:0:ffff:1128:cc8
17.40.12.201 0:0:0:0:0:ffff:1128:cc9
17.40.12.202 0:0:0:0:0:ffff:1128:cca
17.40.12.203 0:0:0:0:0:ffff:1128:ccb
17.40.12.204 0:0:0:0:0:ffff:1128:ccc
17.40.12.205 0:0:0:0:0:ffff:1128:ccd
17.40.12.206 0:0:0:0:0:ffff:1128:cce
17.40.12.207 0:0:0:0:0:ffff:1128:ccf
17.40.12.208 0:0:0:0:0:ffff:1128:cd0
17.40.12.209 0:0:0:0:0:ffff:1128:cd1
17.40.12.210 0:0:0:0:0:ffff:1128:cd2
17.40.12.211 0:0:0:0:0:ffff:1128:cd3
17.40.12.212 0:0:0:0:0:ffff:1128:cd4
17.40.12.213 0:0:0:0:0:ffff:1128:cd5
17.40.12.214 0:0:0:0:0:ffff:1128:cd6
17.40.12.215 0:0:0:0:0:ffff:1128:cd7
17.40.12.216 0:0:0:0:0:ffff:1128:cd8
17.40.12.217 0:0:0:0:0:ffff:1128:cd9
17.40.12.218 0:0:0:0:0:ffff:1128:cda
17.40.12.219 0:0:0:0:0:ffff:1128:cdb
17.40.12.220 0:0:0:0:0:ffff:1128:cdc
17.40.12.221 0:0:0:0:0:ffff:1128:cdd
17.40.12.222 0:0:0:0:0:ffff:1128:cde
17.40.12.223 0:0:0:0:0:ffff:1128:cdf
17.40.12.224 0:0:0:0:0:ffff:1128:ce0
17.40.12.225 0:0:0:0:0:ffff:1128:ce1
17.40.12.226 0:0:0:0:0:ffff:1128:ce2
17.40.12.227 0:0:0:0:0:ffff:1128:ce3
17.40.12.228 0:0:0:0:0:ffff:1128:ce4
17.40.12.229 0:0:0:0:0:ffff:1128:ce5
17.40.12.230 0:0:0:0:0:ffff:1128:ce6
17.40.12.231 0:0:0:0:0:ffff:1128:ce7
17.40.12.232 0:0:0:0:0:ffff:1128:ce8
17.40.12.233 0:0:0:0:0:ffff:1128:ce9
17.40.12.234 0:0:0:0:0:ffff:1128:cea
17.40.12.235 0:0:0:0:0:ffff:1128:ceb
17.40.12.236 0:0:0:0:0:ffff:1128:cec
17.40.12.237 0:0:0:0:0:ffff:1128:ced
17.40.12.238 0:0:0:0:0:ffff:1128:cee
17.40.12.239 0:0:0:0:0:ffff:1128:cef
17.40.12.240 0:0:0:0:0:ffff:1128:cf0
17.40.12.241 0:0:0:0:0:ffff:1128:cf1
17.40.12.242 0:0:0:0:0:ffff:1128:cf2
17.40.12.243 0:0:0:0:0:ffff:1128:cf3
17.40.12.244 0:0:0:0:0:ffff:1128:cf4
17.40.12.245 0:0:0:0:0:ffff:1128:cf5
17.40.12.246 0:0:0:0:0:ffff:1128:cf6
17.40.12.247 0:0:0:0:0:ffff:1128:cf7
17.40.12.248 0:0:0:0:0:ffff:1128:cf8
17.40.12.249 0:0:0:0:0:ffff:1128:cf9
17.40.12.250 0:0:0:0:0:ffff:1128:cfa
17.40.12.251 0:0:0:0:0:ffff:1128:cfb
17.40.12.252 0:0:0:0:0:ffff:1128:cfc
17.40.12.253 0:0:0:0:0:ffff:1128:cfd
17.40.12.254 0:0:0:0:0:ffff:1128:cfe
17.40.12.255 0:0:0:0:0:ffff:1128:cff


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.