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
142.18.141.1 0:0:0:0:0:ffff:8e12:8d01
142.18.141.2 0:0:0:0:0:ffff:8e12:8d02
142.18.141.3 0:0:0:0:0:ffff:8e12:8d03
142.18.141.4 0:0:0:0:0:ffff:8e12:8d04
142.18.141.5 0:0:0:0:0:ffff:8e12:8d05
142.18.141.6 0:0:0:0:0:ffff:8e12:8d06
142.18.141.7 0:0:0:0:0:ffff:8e12:8d07
142.18.141.8 0:0:0:0:0:ffff:8e12:8d08
142.18.141.9 0:0:0:0:0:ffff:8e12:8d09
142.18.141.10 0:0:0:0:0:ffff:8e12:8d0a
142.18.141.11 0:0:0:0:0:ffff:8e12:8d0b
142.18.141.12 0:0:0:0:0:ffff:8e12:8d0c
142.18.141.13 0:0:0:0:0:ffff:8e12:8d0d
142.18.141.14 0:0:0:0:0:ffff:8e12:8d0e
142.18.141.15 0:0:0:0:0:ffff:8e12:8d0f
142.18.141.16 0:0:0:0:0:ffff:8e12:8d10
142.18.141.17 0:0:0:0:0:ffff:8e12:8d11
142.18.141.18 0:0:0:0:0:ffff:8e12:8d12
142.18.141.19 0:0:0:0:0:ffff:8e12:8d13
142.18.141.20 0:0:0:0:0:ffff:8e12:8d14
142.18.141.21 0:0:0:0:0:ffff:8e12:8d15
142.18.141.22 0:0:0:0:0:ffff:8e12:8d16
142.18.141.23 0:0:0:0:0:ffff:8e12:8d17
142.18.141.24 0:0:0:0:0:ffff:8e12:8d18
142.18.141.25 0:0:0:0:0:ffff:8e12:8d19
142.18.141.26 0:0:0:0:0:ffff:8e12:8d1a
142.18.141.27 0:0:0:0:0:ffff:8e12:8d1b
142.18.141.28 0:0:0:0:0:ffff:8e12:8d1c
142.18.141.29 0:0:0:0:0:ffff:8e12:8d1d
142.18.141.30 0:0:0:0:0:ffff:8e12:8d1e
142.18.141.31 0:0:0:0:0:ffff:8e12:8d1f
142.18.141.32 0:0:0:0:0:ffff:8e12:8d20
142.18.141.33 0:0:0:0:0:ffff:8e12:8d21
142.18.141.34 0:0:0:0:0:ffff:8e12:8d22
142.18.141.35 0:0:0:0:0:ffff:8e12:8d23
142.18.141.36 0:0:0:0:0:ffff:8e12:8d24
142.18.141.37 0:0:0:0:0:ffff:8e12:8d25
142.18.141.38 0:0:0:0:0:ffff:8e12:8d26
142.18.141.39 0:0:0:0:0:ffff:8e12:8d27
142.18.141.40 0:0:0:0:0:ffff:8e12:8d28
142.18.141.41 0:0:0:0:0:ffff:8e12:8d29
142.18.141.42 0:0:0:0:0:ffff:8e12:8d2a
142.18.141.43 0:0:0:0:0:ffff:8e12:8d2b
142.18.141.44 0:0:0:0:0:ffff:8e12:8d2c
142.18.141.45 0:0:0:0:0:ffff:8e12:8d2d
142.18.141.46 0:0:0:0:0:ffff:8e12:8d2e
142.18.141.47 0:0:0:0:0:ffff:8e12:8d2f
142.18.141.48 0:0:0:0:0:ffff:8e12:8d30
142.18.141.49 0:0:0:0:0:ffff:8e12:8d31
142.18.141.50 0:0:0:0:0:ffff:8e12:8d32
142.18.141.51 0:0:0:0:0:ffff:8e12:8d33
142.18.141.52 0:0:0:0:0:ffff:8e12:8d34
142.18.141.53 0:0:0:0:0:ffff:8e12:8d35
142.18.141.54 0:0:0:0:0:ffff:8e12:8d36
142.18.141.55 0:0:0:0:0:ffff:8e12:8d37
142.18.141.56 0:0:0:0:0:ffff:8e12:8d38
142.18.141.57 0:0:0:0:0:ffff:8e12:8d39
142.18.141.58 0:0:0:0:0:ffff:8e12:8d3a
142.18.141.59 0:0:0:0:0:ffff:8e12:8d3b
142.18.141.60 0:0:0:0:0:ffff:8e12:8d3c


142.18.141.61 0:0:0:0:0:ffff:8e12:8d3d
142.18.141.62 0:0:0:0:0:ffff:8e12:8d3e
142.18.141.63 0:0:0:0:0:ffff:8e12:8d3f
142.18.141.64 0:0:0:0:0:ffff:8e12:8d40
142.18.141.65 0:0:0:0:0:ffff:8e12:8d41
142.18.141.66 0:0:0:0:0:ffff:8e12:8d42
142.18.141.67 0:0:0:0:0:ffff:8e12:8d43
142.18.141.68 0:0:0:0:0:ffff:8e12:8d44
142.18.141.69 0:0:0:0:0:ffff:8e12:8d45
142.18.141.70 0:0:0:0:0:ffff:8e12:8d46
142.18.141.71 0:0:0:0:0:ffff:8e12:8d47
142.18.141.72 0:0:0:0:0:ffff:8e12:8d48
142.18.141.73 0:0:0:0:0:ffff:8e12:8d49
142.18.141.74 0:0:0:0:0:ffff:8e12:8d4a
142.18.141.75 0:0:0:0:0:ffff:8e12:8d4b
142.18.141.76 0:0:0:0:0:ffff:8e12:8d4c
142.18.141.77 0:0:0:0:0:ffff:8e12:8d4d
142.18.141.78 0:0:0:0:0:ffff:8e12:8d4e
142.18.141.79 0:0:0:0:0:ffff:8e12:8d4f
142.18.141.80 0:0:0:0:0:ffff:8e12:8d50
142.18.141.81 0:0:0:0:0:ffff:8e12:8d51
142.18.141.82 0:0:0:0:0:ffff:8e12:8d52
142.18.141.83 0:0:0:0:0:ffff:8e12:8d53
142.18.141.84 0:0:0:0:0:ffff:8e12:8d54
142.18.141.85 0:0:0:0:0:ffff:8e12:8d55
142.18.141.86 0:0:0:0:0:ffff:8e12:8d56
142.18.141.87 0:0:0:0:0:ffff:8e12:8d57
142.18.141.88 0:0:0:0:0:ffff:8e12:8d58
142.18.141.89 0:0:0:0:0:ffff:8e12:8d59
142.18.141.90 0:0:0:0:0:ffff:8e12:8d5a
142.18.141.91 0:0:0:0:0:ffff:8e12:8d5b
142.18.141.92 0:0:0:0:0:ffff:8e12:8d5c
142.18.141.93 0:0:0:0:0:ffff:8e12:8d5d
142.18.141.94 0:0:0:0:0:ffff:8e12:8d5e
142.18.141.95 0:0:0:0:0:ffff:8e12:8d5f
142.18.141.96 0:0:0:0:0:ffff:8e12:8d60
142.18.141.97 0:0:0:0:0:ffff:8e12:8d61
142.18.141.98 0:0:0:0:0:ffff:8e12:8d62
142.18.141.99 0:0:0:0:0:ffff:8e12:8d63
142.18.141.100 0:0:0:0:0:ffff:8e12:8d64
142.18.141.101 0:0:0:0:0:ffff:8e12:8d65
142.18.141.102 0:0:0:0:0:ffff:8e12:8d66
142.18.141.103 0:0:0:0:0:ffff:8e12:8d67
142.18.141.104 0:0:0:0:0:ffff:8e12:8d68
142.18.141.105 0:0:0:0:0:ffff:8e12:8d69
142.18.141.106 0:0:0:0:0:ffff:8e12:8d6a
142.18.141.107 0:0:0:0:0:ffff:8e12:8d6b
142.18.141.108 0:0:0:0:0:ffff:8e12:8d6c
142.18.141.109 0:0:0:0:0:ffff:8e12:8d6d
142.18.141.110 0:0:0:0:0:ffff:8e12:8d6e
142.18.141.111 0:0:0:0:0:ffff:8e12:8d6f
142.18.141.112 0:0:0:0:0:ffff:8e12:8d70
142.18.141.113 0:0:0:0:0:ffff:8e12:8d71
142.18.141.114 0:0:0:0:0:ffff:8e12:8d72
142.18.141.115 0:0:0:0:0:ffff:8e12:8d73
142.18.141.116 0:0:0:0:0:ffff:8e12:8d74
142.18.141.117 0:0:0:0:0:ffff:8e12:8d75
142.18.141.118 0:0:0:0:0:ffff:8e12:8d76
142.18.141.119 0:0:0:0:0:ffff:8e12:8d77
142.18.141.120 0:0:0:0:0:ffff:8e12:8d78


142.18.141.121 0:0:0:0:0:ffff:8e12:8d79
142.18.141.122 0:0:0:0:0:ffff:8e12:8d7a
142.18.141.123 0:0:0:0:0:ffff:8e12:8d7b
142.18.141.124 0:0:0:0:0:ffff:8e12:8d7c
142.18.141.125 0:0:0:0:0:ffff:8e12:8d7d
142.18.141.126 0:0:0:0:0:ffff:8e12:8d7e
142.18.141.127 0:0:0:0:0:ffff:8e12:8d7f
142.18.141.128 0:0:0:0:0:ffff:8e12:8d80
142.18.141.129 0:0:0:0:0:ffff:8e12:8d81
142.18.141.130 0:0:0:0:0:ffff:8e12:8d82
142.18.141.131 0:0:0:0:0:ffff:8e12:8d83
142.18.141.132 0:0:0:0:0:ffff:8e12:8d84
142.18.141.133 0:0:0:0:0:ffff:8e12:8d85
142.18.141.134 0:0:0:0:0:ffff:8e12:8d86
142.18.141.135 0:0:0:0:0:ffff:8e12:8d87
142.18.141.136 0:0:0:0:0:ffff:8e12:8d88
142.18.141.137 0:0:0:0:0:ffff:8e12:8d89
142.18.141.138 0:0:0:0:0:ffff:8e12:8d8a
142.18.141.139 0:0:0:0:0:ffff:8e12:8d8b
142.18.141.140 0:0:0:0:0:ffff:8e12:8d8c
142.18.141.141 0:0:0:0:0:ffff:8e12:8d8d
142.18.141.142 0:0:0:0:0:ffff:8e12:8d8e
142.18.141.143 0:0:0:0:0:ffff:8e12:8d8f
142.18.141.144 0:0:0:0:0:ffff:8e12:8d90
142.18.141.145 0:0:0:0:0:ffff:8e12:8d91
142.18.141.146 0:0:0:0:0:ffff:8e12:8d92
142.18.141.147 0:0:0:0:0:ffff:8e12:8d93
142.18.141.148 0:0:0:0:0:ffff:8e12:8d94
142.18.141.149 0:0:0:0:0:ffff:8e12:8d95
142.18.141.150 0:0:0:0:0:ffff:8e12:8d96
142.18.141.151 0:0:0:0:0:ffff:8e12:8d97
142.18.141.152 0:0:0:0:0:ffff:8e12:8d98
142.18.141.153 0:0:0:0:0:ffff:8e12:8d99
142.18.141.154 0:0:0:0:0:ffff:8e12:8d9a
142.18.141.155 0:0:0:0:0:ffff:8e12:8d9b
142.18.141.156 0:0:0:0:0:ffff:8e12:8d9c
142.18.141.157 0:0:0:0:0:ffff:8e12:8d9d
142.18.141.158 0:0:0:0:0:ffff:8e12:8d9e
142.18.141.159 0:0:0:0:0:ffff:8e12:8d9f
142.18.141.160 0:0:0:0:0:ffff:8e12:8da0
142.18.141.161 0:0:0:0:0:ffff:8e12:8da1
142.18.141.162 0:0:0:0:0:ffff:8e12:8da2
142.18.141.163 0:0:0:0:0:ffff:8e12:8da3
142.18.141.164 0:0:0:0:0:ffff:8e12:8da4
142.18.141.165 0:0:0:0:0:ffff:8e12:8da5
142.18.141.166 0:0:0:0:0:ffff:8e12:8da6
142.18.141.167 0:0:0:0:0:ffff:8e12:8da7
142.18.141.168 0:0:0:0:0:ffff:8e12:8da8
142.18.141.169 0:0:0:0:0:ffff:8e12:8da9
142.18.141.170 0:0:0:0:0:ffff:8e12:8daa
142.18.141.171 0:0:0:0:0:ffff:8e12:8dab
142.18.141.172 0:0:0:0:0:ffff:8e12:8dac
142.18.141.173 0:0:0:0:0:ffff:8e12:8dad
142.18.141.174 0:0:0:0:0:ffff:8e12:8dae
142.18.141.175 0:0:0:0:0:ffff:8e12:8daf
142.18.141.176 0:0:0:0:0:ffff:8e12:8db0
142.18.141.177 0:0:0:0:0:ffff:8e12:8db1
142.18.141.178 0:0:0:0:0:ffff:8e12:8db2
142.18.141.179 0:0:0:0:0:ffff:8e12:8db3
142.18.141.180 0:0:0:0:0:ffff:8e12:8db4


142.18.141.181 0:0:0:0:0:ffff:8e12:8db5
142.18.141.182 0:0:0:0:0:ffff:8e12:8db6
142.18.141.183 0:0:0:0:0:ffff:8e12:8db7
142.18.141.184 0:0:0:0:0:ffff:8e12:8db8
142.18.141.185 0:0:0:0:0:ffff:8e12:8db9
142.18.141.186 0:0:0:0:0:ffff:8e12:8dba
142.18.141.187 0:0:0:0:0:ffff:8e12:8dbb
142.18.141.188 0:0:0:0:0:ffff:8e12:8dbc
142.18.141.189 0:0:0:0:0:ffff:8e12:8dbd
142.18.141.190 0:0:0:0:0:ffff:8e12:8dbe
142.18.141.191 0:0:0:0:0:ffff:8e12:8dbf
142.18.141.192 0:0:0:0:0:ffff:8e12:8dc0
142.18.141.193 0:0:0:0:0:ffff:8e12:8dc1
142.18.141.194 0:0:0:0:0:ffff:8e12:8dc2
142.18.141.195 0:0:0:0:0:ffff:8e12:8dc3
142.18.141.196 0:0:0:0:0:ffff:8e12:8dc4
142.18.141.197 0:0:0:0:0:ffff:8e12:8dc5
142.18.141.198 0:0:0:0:0:ffff:8e12:8dc6
142.18.141.199 0:0:0:0:0:ffff:8e12:8dc7
142.18.141.200 0:0:0:0:0:ffff:8e12:8dc8
142.18.141.201 0:0:0:0:0:ffff:8e12:8dc9
142.18.141.202 0:0:0:0:0:ffff:8e12:8dca
142.18.141.203 0:0:0:0:0:ffff:8e12:8dcb
142.18.141.204 0:0:0:0:0:ffff:8e12:8dcc
142.18.141.205 0:0:0:0:0:ffff:8e12:8dcd
142.18.141.206 0:0:0:0:0:ffff:8e12:8dce
142.18.141.207 0:0:0:0:0:ffff:8e12:8dcf
142.18.141.208 0:0:0:0:0:ffff:8e12:8dd0
142.18.141.209 0:0:0:0:0:ffff:8e12:8dd1
142.18.141.210 0:0:0:0:0:ffff:8e12:8dd2
142.18.141.211 0:0:0:0:0:ffff:8e12:8dd3
142.18.141.212 0:0:0:0:0:ffff:8e12:8dd4
142.18.141.213 0:0:0:0:0:ffff:8e12:8dd5
142.18.141.214 0:0:0:0:0:ffff:8e12:8dd6
142.18.141.215 0:0:0:0:0:ffff:8e12:8dd7
142.18.141.216 0:0:0:0:0:ffff:8e12:8dd8
142.18.141.217 0:0:0:0:0:ffff:8e12:8dd9
142.18.141.218 0:0:0:0:0:ffff:8e12:8dda
142.18.141.219 0:0:0:0:0:ffff:8e12:8ddb
142.18.141.220 0:0:0:0:0:ffff:8e12:8ddc
142.18.141.221 0:0:0:0:0:ffff:8e12:8ddd
142.18.141.222 0:0:0:0:0:ffff:8e12:8dde
142.18.141.223 0:0:0:0:0:ffff:8e12:8ddf
142.18.141.224 0:0:0:0:0:ffff:8e12:8de0
142.18.141.225 0:0:0:0:0:ffff:8e12:8de1
142.18.141.226 0:0:0:0:0:ffff:8e12:8de2
142.18.141.227 0:0:0:0:0:ffff:8e12:8de3
142.18.141.228 0:0:0:0:0:ffff:8e12:8de4
142.18.141.229 0:0:0:0:0:ffff:8e12:8de5
142.18.141.230 0:0:0:0:0:ffff:8e12:8de6
142.18.141.231 0:0:0:0:0:ffff:8e12:8de7
142.18.141.232 0:0:0:0:0:ffff:8e12:8de8
142.18.141.233 0:0:0:0:0:ffff:8e12:8de9
142.18.141.234 0:0:0:0:0:ffff:8e12:8dea
142.18.141.235 0:0:0:0:0:ffff:8e12:8deb
142.18.141.236 0:0:0:0:0:ffff:8e12:8dec
142.18.141.237 0:0:0:0:0:ffff:8e12:8ded
142.18.141.238 0:0:0:0:0:ffff:8e12:8dee
142.18.141.239 0:0:0:0:0:ffff:8e12:8def
142.18.141.240 0:0:0:0:0:ffff:8e12:8df0
142.18.141.241 0:0:0:0:0:ffff:8e12:8df1
142.18.141.242 0:0:0:0:0:ffff:8e12:8df2
142.18.141.243 0:0:0:0:0:ffff:8e12:8df3
142.18.141.244 0:0:0:0:0:ffff:8e12:8df4
142.18.141.245 0:0:0:0:0:ffff:8e12:8df5
142.18.141.246 0:0:0:0:0:ffff:8e12:8df6
142.18.141.247 0:0:0:0:0:ffff:8e12:8df7
142.18.141.248 0:0:0:0:0:ffff:8e12:8df8
142.18.141.249 0:0:0:0:0:ffff:8e12:8df9
142.18.141.250 0:0:0:0:0:ffff:8e12:8dfa
142.18.141.251 0:0:0:0:0:ffff:8e12:8dfb
142.18.141.252 0:0:0:0:0:ffff:8e12:8dfc
142.18.141.253 0:0:0:0:0:ffff:8e12:8dfd
142.18.141.254 0:0:0:0:0:ffff:8e12:8dfe
142.18.141.255 0:0:0:0:0:ffff:8e12:8dff


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.