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
142.25.43.1 0:0:0:0:0:ffff:8e19:2b01
142.25.43.2 0:0:0:0:0:ffff:8e19:2b02
142.25.43.3 0:0:0:0:0:ffff:8e19:2b03
142.25.43.4 0:0:0:0:0:ffff:8e19:2b04
142.25.43.5 0:0:0:0:0:ffff:8e19:2b05
142.25.43.6 0:0:0:0:0:ffff:8e19:2b06
142.25.43.7 0:0:0:0:0:ffff:8e19:2b07
142.25.43.8 0:0:0:0:0:ffff:8e19:2b08
142.25.43.9 0:0:0:0:0:ffff:8e19:2b09
142.25.43.10 0:0:0:0:0:ffff:8e19:2b0a
142.25.43.11 0:0:0:0:0:ffff:8e19:2b0b
142.25.43.12 0:0:0:0:0:ffff:8e19:2b0c
142.25.43.13 0:0:0:0:0:ffff:8e19:2b0d
142.25.43.14 0:0:0:0:0:ffff:8e19:2b0e
142.25.43.15 0:0:0:0:0:ffff:8e19:2b0f
142.25.43.16 0:0:0:0:0:ffff:8e19:2b10
142.25.43.17 0:0:0:0:0:ffff:8e19:2b11
142.25.43.18 0:0:0:0:0:ffff:8e19:2b12
142.25.43.19 0:0:0:0:0:ffff:8e19:2b13
142.25.43.20 0:0:0:0:0:ffff:8e19:2b14
142.25.43.21 0:0:0:0:0:ffff:8e19:2b15
142.25.43.22 0:0:0:0:0:ffff:8e19:2b16
142.25.43.23 0:0:0:0:0:ffff:8e19:2b17
142.25.43.24 0:0:0:0:0:ffff:8e19:2b18
142.25.43.25 0:0:0:0:0:ffff:8e19:2b19
142.25.43.26 0:0:0:0:0:ffff:8e19:2b1a
142.25.43.27 0:0:0:0:0:ffff:8e19:2b1b
142.25.43.28 0:0:0:0:0:ffff:8e19:2b1c
142.25.43.29 0:0:0:0:0:ffff:8e19:2b1d
142.25.43.30 0:0:0:0:0:ffff:8e19:2b1e
142.25.43.31 0:0:0:0:0:ffff:8e19:2b1f
142.25.43.32 0:0:0:0:0:ffff:8e19:2b20
142.25.43.33 0:0:0:0:0:ffff:8e19:2b21
142.25.43.34 0:0:0:0:0:ffff:8e19:2b22
142.25.43.35 0:0:0:0:0:ffff:8e19:2b23
142.25.43.36 0:0:0:0:0:ffff:8e19:2b24
142.25.43.37 0:0:0:0:0:ffff:8e19:2b25
142.25.43.38 0:0:0:0:0:ffff:8e19:2b26
142.25.43.39 0:0:0:0:0:ffff:8e19:2b27
142.25.43.40 0:0:0:0:0:ffff:8e19:2b28
142.25.43.41 0:0:0:0:0:ffff:8e19:2b29
142.25.43.42 0:0:0:0:0:ffff:8e19:2b2a
142.25.43.43 0:0:0:0:0:ffff:8e19:2b2b
142.25.43.44 0:0:0:0:0:ffff:8e19:2b2c
142.25.43.45 0:0:0:0:0:ffff:8e19:2b2d
142.25.43.46 0:0:0:0:0:ffff:8e19:2b2e
142.25.43.47 0:0:0:0:0:ffff:8e19:2b2f
142.25.43.48 0:0:0:0:0:ffff:8e19:2b30
142.25.43.49 0:0:0:0:0:ffff:8e19:2b31
142.25.43.50 0:0:0:0:0:ffff:8e19:2b32
142.25.43.51 0:0:0:0:0:ffff:8e19:2b33
142.25.43.52 0:0:0:0:0:ffff:8e19:2b34
142.25.43.53 0:0:0:0:0:ffff:8e19:2b35
142.25.43.54 0:0:0:0:0:ffff:8e19:2b36
142.25.43.55 0:0:0:0:0:ffff:8e19:2b37
142.25.43.56 0:0:0:0:0:ffff:8e19:2b38
142.25.43.57 0:0:0:0:0:ffff:8e19:2b39
142.25.43.58 0:0:0:0:0:ffff:8e19:2b3a
142.25.43.59 0:0:0:0:0:ffff:8e19:2b3b
142.25.43.60 0:0:0:0:0:ffff:8e19:2b3c


142.25.43.61 0:0:0:0:0:ffff:8e19:2b3d
142.25.43.62 0:0:0:0:0:ffff:8e19:2b3e
142.25.43.63 0:0:0:0:0:ffff:8e19:2b3f
142.25.43.64 0:0:0:0:0:ffff:8e19:2b40
142.25.43.65 0:0:0:0:0:ffff:8e19:2b41
142.25.43.66 0:0:0:0:0:ffff:8e19:2b42
142.25.43.67 0:0:0:0:0:ffff:8e19:2b43
142.25.43.68 0:0:0:0:0:ffff:8e19:2b44
142.25.43.69 0:0:0:0:0:ffff:8e19:2b45
142.25.43.70 0:0:0:0:0:ffff:8e19:2b46
142.25.43.71 0:0:0:0:0:ffff:8e19:2b47
142.25.43.72 0:0:0:0:0:ffff:8e19:2b48
142.25.43.73 0:0:0:0:0:ffff:8e19:2b49
142.25.43.74 0:0:0:0:0:ffff:8e19:2b4a
142.25.43.75 0:0:0:0:0:ffff:8e19:2b4b
142.25.43.76 0:0:0:0:0:ffff:8e19:2b4c
142.25.43.77 0:0:0:0:0:ffff:8e19:2b4d
142.25.43.78 0:0:0:0:0:ffff:8e19:2b4e
142.25.43.79 0:0:0:0:0:ffff:8e19:2b4f
142.25.43.80 0:0:0:0:0:ffff:8e19:2b50
142.25.43.81 0:0:0:0:0:ffff:8e19:2b51
142.25.43.82 0:0:0:0:0:ffff:8e19:2b52
142.25.43.83 0:0:0:0:0:ffff:8e19:2b53
142.25.43.84 0:0:0:0:0:ffff:8e19:2b54
142.25.43.85 0:0:0:0:0:ffff:8e19:2b55
142.25.43.86 0:0:0:0:0:ffff:8e19:2b56
142.25.43.87 0:0:0:0:0:ffff:8e19:2b57
142.25.43.88 0:0:0:0:0:ffff:8e19:2b58
142.25.43.89 0:0:0:0:0:ffff:8e19:2b59
142.25.43.90 0:0:0:0:0:ffff:8e19:2b5a
142.25.43.91 0:0:0:0:0:ffff:8e19:2b5b
142.25.43.92 0:0:0:0:0:ffff:8e19:2b5c
142.25.43.93 0:0:0:0:0:ffff:8e19:2b5d
142.25.43.94 0:0:0:0:0:ffff:8e19:2b5e
142.25.43.95 0:0:0:0:0:ffff:8e19:2b5f
142.25.43.96 0:0:0:0:0:ffff:8e19:2b60
142.25.43.97 0:0:0:0:0:ffff:8e19:2b61
142.25.43.98 0:0:0:0:0:ffff:8e19:2b62
142.25.43.99 0:0:0:0:0:ffff:8e19:2b63
142.25.43.100 0:0:0:0:0:ffff:8e19:2b64
142.25.43.101 0:0:0:0:0:ffff:8e19:2b65
142.25.43.102 0:0:0:0:0:ffff:8e19:2b66
142.25.43.103 0:0:0:0:0:ffff:8e19:2b67
142.25.43.104 0:0:0:0:0:ffff:8e19:2b68
142.25.43.105 0:0:0:0:0:ffff:8e19:2b69
142.25.43.106 0:0:0:0:0:ffff:8e19:2b6a
142.25.43.107 0:0:0:0:0:ffff:8e19:2b6b
142.25.43.108 0:0:0:0:0:ffff:8e19:2b6c
142.25.43.109 0:0:0:0:0:ffff:8e19:2b6d
142.25.43.110 0:0:0:0:0:ffff:8e19:2b6e
142.25.43.111 0:0:0:0:0:ffff:8e19:2b6f
142.25.43.112 0:0:0:0:0:ffff:8e19:2b70
142.25.43.113 0:0:0:0:0:ffff:8e19:2b71
142.25.43.114 0:0:0:0:0:ffff:8e19:2b72
142.25.43.115 0:0:0:0:0:ffff:8e19:2b73
142.25.43.116 0:0:0:0:0:ffff:8e19:2b74
142.25.43.117 0:0:0:0:0:ffff:8e19:2b75
142.25.43.118 0:0:0:0:0:ffff:8e19:2b76
142.25.43.119 0:0:0:0:0:ffff:8e19:2b77
142.25.43.120 0:0:0:0:0:ffff:8e19:2b78


142.25.43.121 0:0:0:0:0:ffff:8e19:2b79
142.25.43.122 0:0:0:0:0:ffff:8e19:2b7a
142.25.43.123 0:0:0:0:0:ffff:8e19:2b7b
142.25.43.124 0:0:0:0:0:ffff:8e19:2b7c
142.25.43.125 0:0:0:0:0:ffff:8e19:2b7d
142.25.43.126 0:0:0:0:0:ffff:8e19:2b7e
142.25.43.127 0:0:0:0:0:ffff:8e19:2b7f
142.25.43.128 0:0:0:0:0:ffff:8e19:2b80
142.25.43.129 0:0:0:0:0:ffff:8e19:2b81
142.25.43.130 0:0:0:0:0:ffff:8e19:2b82
142.25.43.131 0:0:0:0:0:ffff:8e19:2b83
142.25.43.132 0:0:0:0:0:ffff:8e19:2b84
142.25.43.133 0:0:0:0:0:ffff:8e19:2b85
142.25.43.134 0:0:0:0:0:ffff:8e19:2b86
142.25.43.135 0:0:0:0:0:ffff:8e19:2b87
142.25.43.136 0:0:0:0:0:ffff:8e19:2b88
142.25.43.137 0:0:0:0:0:ffff:8e19:2b89
142.25.43.138 0:0:0:0:0:ffff:8e19:2b8a
142.25.43.139 0:0:0:0:0:ffff:8e19:2b8b
142.25.43.140 0:0:0:0:0:ffff:8e19:2b8c
142.25.43.141 0:0:0:0:0:ffff:8e19:2b8d
142.25.43.142 0:0:0:0:0:ffff:8e19:2b8e
142.25.43.143 0:0:0:0:0:ffff:8e19:2b8f
142.25.43.144 0:0:0:0:0:ffff:8e19:2b90
142.25.43.145 0:0:0:0:0:ffff:8e19:2b91
142.25.43.146 0:0:0:0:0:ffff:8e19:2b92
142.25.43.147 0:0:0:0:0:ffff:8e19:2b93
142.25.43.148 0:0:0:0:0:ffff:8e19:2b94
142.25.43.149 0:0:0:0:0:ffff:8e19:2b95
142.25.43.150 0:0:0:0:0:ffff:8e19:2b96
142.25.43.151 0:0:0:0:0:ffff:8e19:2b97
142.25.43.152 0:0:0:0:0:ffff:8e19:2b98
142.25.43.153 0:0:0:0:0:ffff:8e19:2b99
142.25.43.154 0:0:0:0:0:ffff:8e19:2b9a
142.25.43.155 0:0:0:0:0:ffff:8e19:2b9b
142.25.43.156 0:0:0:0:0:ffff:8e19:2b9c
142.25.43.157 0:0:0:0:0:ffff:8e19:2b9d
142.25.43.158 0:0:0:0:0:ffff:8e19:2b9e
142.25.43.159 0:0:0:0:0:ffff:8e19:2b9f
142.25.43.160 0:0:0:0:0:ffff:8e19:2ba0
142.25.43.161 0:0:0:0:0:ffff:8e19:2ba1
142.25.43.162 0:0:0:0:0:ffff:8e19:2ba2
142.25.43.163 0:0:0:0:0:ffff:8e19:2ba3
142.25.43.164 0:0:0:0:0:ffff:8e19:2ba4
142.25.43.165 0:0:0:0:0:ffff:8e19:2ba5
142.25.43.166 0:0:0:0:0:ffff:8e19:2ba6
142.25.43.167 0:0:0:0:0:ffff:8e19:2ba7
142.25.43.168 0:0:0:0:0:ffff:8e19:2ba8
142.25.43.169 0:0:0:0:0:ffff:8e19:2ba9
142.25.43.170 0:0:0:0:0:ffff:8e19:2baa
142.25.43.171 0:0:0:0:0:ffff:8e19:2bab
142.25.43.172 0:0:0:0:0:ffff:8e19:2bac
142.25.43.173 0:0:0:0:0:ffff:8e19:2bad
142.25.43.174 0:0:0:0:0:ffff:8e19:2bae
142.25.43.175 0:0:0:0:0:ffff:8e19:2baf
142.25.43.176 0:0:0:0:0:ffff:8e19:2bb0
142.25.43.177 0:0:0:0:0:ffff:8e19:2bb1
142.25.43.178 0:0:0:0:0:ffff:8e19:2bb2
142.25.43.179 0:0:0:0:0:ffff:8e19:2bb3
142.25.43.180 0:0:0:0:0:ffff:8e19:2bb4


142.25.43.181 0:0:0:0:0:ffff:8e19:2bb5
142.25.43.182 0:0:0:0:0:ffff:8e19:2bb6
142.25.43.183 0:0:0:0:0:ffff:8e19:2bb7
142.25.43.184 0:0:0:0:0:ffff:8e19:2bb8
142.25.43.185 0:0:0:0:0:ffff:8e19:2bb9
142.25.43.186 0:0:0:0:0:ffff:8e19:2bba
142.25.43.187 0:0:0:0:0:ffff:8e19:2bbb
142.25.43.188 0:0:0:0:0:ffff:8e19:2bbc
142.25.43.189 0:0:0:0:0:ffff:8e19:2bbd
142.25.43.190 0:0:0:0:0:ffff:8e19:2bbe
142.25.43.191 0:0:0:0:0:ffff:8e19:2bbf
142.25.43.192 0:0:0:0:0:ffff:8e19:2bc0
142.25.43.193 0:0:0:0:0:ffff:8e19:2bc1
142.25.43.194 0:0:0:0:0:ffff:8e19:2bc2
142.25.43.195 0:0:0:0:0:ffff:8e19:2bc3
142.25.43.196 0:0:0:0:0:ffff:8e19:2bc4
142.25.43.197 0:0:0:0:0:ffff:8e19:2bc5
142.25.43.198 0:0:0:0:0:ffff:8e19:2bc6
142.25.43.199 0:0:0:0:0:ffff:8e19:2bc7
142.25.43.200 0:0:0:0:0:ffff:8e19:2bc8
142.25.43.201 0:0:0:0:0:ffff:8e19:2bc9
142.25.43.202 0:0:0:0:0:ffff:8e19:2bca
142.25.43.203 0:0:0:0:0:ffff:8e19:2bcb
142.25.43.204 0:0:0:0:0:ffff:8e19:2bcc
142.25.43.205 0:0:0:0:0:ffff:8e19:2bcd
142.25.43.206 0:0:0:0:0:ffff:8e19:2bce
142.25.43.207 0:0:0:0:0:ffff:8e19:2bcf
142.25.43.208 0:0:0:0:0:ffff:8e19:2bd0
142.25.43.209 0:0:0:0:0:ffff:8e19:2bd1
142.25.43.210 0:0:0:0:0:ffff:8e19:2bd2
142.25.43.211 0:0:0:0:0:ffff:8e19:2bd3
142.25.43.212 0:0:0:0:0:ffff:8e19:2bd4
142.25.43.213 0:0:0:0:0:ffff:8e19:2bd5
142.25.43.214 0:0:0:0:0:ffff:8e19:2bd6
142.25.43.215 0:0:0:0:0:ffff:8e19:2bd7
142.25.43.216 0:0:0:0:0:ffff:8e19:2bd8
142.25.43.217 0:0:0:0:0:ffff:8e19:2bd9
142.25.43.218 0:0:0:0:0:ffff:8e19:2bda
142.25.43.219 0:0:0:0:0:ffff:8e19:2bdb
142.25.43.220 0:0:0:0:0:ffff:8e19:2bdc
142.25.43.221 0:0:0:0:0:ffff:8e19:2bdd
142.25.43.222 0:0:0:0:0:ffff:8e19:2bde
142.25.43.223 0:0:0:0:0:ffff:8e19:2bdf
142.25.43.224 0:0:0:0:0:ffff:8e19:2be0
142.25.43.225 0:0:0:0:0:ffff:8e19:2be1
142.25.43.226 0:0:0:0:0:ffff:8e19:2be2
142.25.43.227 0:0:0:0:0:ffff:8e19:2be3
142.25.43.228 0:0:0:0:0:ffff:8e19:2be4
142.25.43.229 0:0:0:0:0:ffff:8e19:2be5
142.25.43.230 0:0:0:0:0:ffff:8e19:2be6
142.25.43.231 0:0:0:0:0:ffff:8e19:2be7
142.25.43.232 0:0:0:0:0:ffff:8e19:2be8
142.25.43.233 0:0:0:0:0:ffff:8e19:2be9
142.25.43.234 0:0:0:0:0:ffff:8e19:2bea
142.25.43.235 0:0:0:0:0:ffff:8e19:2beb
142.25.43.236 0:0:0:0:0:ffff:8e19:2bec
142.25.43.237 0:0:0:0:0:ffff:8e19:2bed
142.25.43.238 0:0:0:0:0:ffff:8e19:2bee
142.25.43.239 0:0:0:0:0:ffff:8e19:2bef
142.25.43.240 0:0:0:0:0:ffff:8e19:2bf0
142.25.43.241 0:0:0:0:0:ffff:8e19:2bf1
142.25.43.242 0:0:0:0:0:ffff:8e19:2bf2
142.25.43.243 0:0:0:0:0:ffff:8e19:2bf3
142.25.43.244 0:0:0:0:0:ffff:8e19:2bf4
142.25.43.245 0:0:0:0:0:ffff:8e19:2bf5
142.25.43.246 0:0:0:0:0:ffff:8e19:2bf6
142.25.43.247 0:0:0:0:0:ffff:8e19:2bf7
142.25.43.248 0:0:0:0:0:ffff:8e19:2bf8
142.25.43.249 0:0:0:0:0:ffff:8e19:2bf9
142.25.43.250 0:0:0:0:0:ffff:8e19:2bfa
142.25.43.251 0:0:0:0:0:ffff:8e19:2bfb
142.25.43.252 0:0:0:0:0:ffff:8e19:2bfc
142.25.43.253 0:0:0:0:0:ffff:8e19:2bfd
142.25.43.254 0:0:0:0:0:ffff:8e19:2bfe
142.25.43.255 0:0:0:0:0:ffff:8e19:2bff


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.