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
123.178.142.1 0:0:0:0:0:ffff:7bb2:8e01
123.178.142.2 0:0:0:0:0:ffff:7bb2:8e02
123.178.142.3 0:0:0:0:0:ffff:7bb2:8e03
123.178.142.4 0:0:0:0:0:ffff:7bb2:8e04
123.178.142.5 0:0:0:0:0:ffff:7bb2:8e05
123.178.142.6 0:0:0:0:0:ffff:7bb2:8e06
123.178.142.7 0:0:0:0:0:ffff:7bb2:8e07
123.178.142.8 0:0:0:0:0:ffff:7bb2:8e08
123.178.142.9 0:0:0:0:0:ffff:7bb2:8e09
123.178.142.10 0:0:0:0:0:ffff:7bb2:8e0a
123.178.142.11 0:0:0:0:0:ffff:7bb2:8e0b
123.178.142.12 0:0:0:0:0:ffff:7bb2:8e0c
123.178.142.13 0:0:0:0:0:ffff:7bb2:8e0d
123.178.142.14 0:0:0:0:0:ffff:7bb2:8e0e
123.178.142.15 0:0:0:0:0:ffff:7bb2:8e0f
123.178.142.16 0:0:0:0:0:ffff:7bb2:8e10
123.178.142.17 0:0:0:0:0:ffff:7bb2:8e11
123.178.142.18 0:0:0:0:0:ffff:7bb2:8e12
123.178.142.19 0:0:0:0:0:ffff:7bb2:8e13
123.178.142.20 0:0:0:0:0:ffff:7bb2:8e14
123.178.142.21 0:0:0:0:0:ffff:7bb2:8e15
123.178.142.22 0:0:0:0:0:ffff:7bb2:8e16
123.178.142.23 0:0:0:0:0:ffff:7bb2:8e17
123.178.142.24 0:0:0:0:0:ffff:7bb2:8e18
123.178.142.25 0:0:0:0:0:ffff:7bb2:8e19
123.178.142.26 0:0:0:0:0:ffff:7bb2:8e1a
123.178.142.27 0:0:0:0:0:ffff:7bb2:8e1b
123.178.142.28 0:0:0:0:0:ffff:7bb2:8e1c
123.178.142.29 0:0:0:0:0:ffff:7bb2:8e1d
123.178.142.30 0:0:0:0:0:ffff:7bb2:8e1e
123.178.142.31 0:0:0:0:0:ffff:7bb2:8e1f
123.178.142.32 0:0:0:0:0:ffff:7bb2:8e20
123.178.142.33 0:0:0:0:0:ffff:7bb2:8e21
123.178.142.34 0:0:0:0:0:ffff:7bb2:8e22
123.178.142.35 0:0:0:0:0:ffff:7bb2:8e23
123.178.142.36 0:0:0:0:0:ffff:7bb2:8e24
123.178.142.37 0:0:0:0:0:ffff:7bb2:8e25
123.178.142.38 0:0:0:0:0:ffff:7bb2:8e26
123.178.142.39 0:0:0:0:0:ffff:7bb2:8e27
123.178.142.40 0:0:0:0:0:ffff:7bb2:8e28
123.178.142.41 0:0:0:0:0:ffff:7bb2:8e29
123.178.142.42 0:0:0:0:0:ffff:7bb2:8e2a
123.178.142.43 0:0:0:0:0:ffff:7bb2:8e2b
123.178.142.44 0:0:0:0:0:ffff:7bb2:8e2c
123.178.142.45 0:0:0:0:0:ffff:7bb2:8e2d
123.178.142.46 0:0:0:0:0:ffff:7bb2:8e2e
123.178.142.47 0:0:0:0:0:ffff:7bb2:8e2f
123.178.142.48 0:0:0:0:0:ffff:7bb2:8e30
123.178.142.49 0:0:0:0:0:ffff:7bb2:8e31
123.178.142.50 0:0:0:0:0:ffff:7bb2:8e32
123.178.142.51 0:0:0:0:0:ffff:7bb2:8e33
123.178.142.52 0:0:0:0:0:ffff:7bb2:8e34
123.178.142.53 0:0:0:0:0:ffff:7bb2:8e35
123.178.142.54 0:0:0:0:0:ffff:7bb2:8e36
123.178.142.55 0:0:0:0:0:ffff:7bb2:8e37
123.178.142.56 0:0:0:0:0:ffff:7bb2:8e38
123.178.142.57 0:0:0:0:0:ffff:7bb2:8e39
123.178.142.58 0:0:0:0:0:ffff:7bb2:8e3a
123.178.142.59 0:0:0:0:0:ffff:7bb2:8e3b
123.178.142.60 0:0:0:0:0:ffff:7bb2:8e3c


123.178.142.61 0:0:0:0:0:ffff:7bb2:8e3d
123.178.142.62 0:0:0:0:0:ffff:7bb2:8e3e
123.178.142.63 0:0:0:0:0:ffff:7bb2:8e3f
123.178.142.64 0:0:0:0:0:ffff:7bb2:8e40
123.178.142.65 0:0:0:0:0:ffff:7bb2:8e41
123.178.142.66 0:0:0:0:0:ffff:7bb2:8e42
123.178.142.67 0:0:0:0:0:ffff:7bb2:8e43
123.178.142.68 0:0:0:0:0:ffff:7bb2:8e44
123.178.142.69 0:0:0:0:0:ffff:7bb2:8e45
123.178.142.70 0:0:0:0:0:ffff:7bb2:8e46
123.178.142.71 0:0:0:0:0:ffff:7bb2:8e47
123.178.142.72 0:0:0:0:0:ffff:7bb2:8e48
123.178.142.73 0:0:0:0:0:ffff:7bb2:8e49
123.178.142.74 0:0:0:0:0:ffff:7bb2:8e4a
123.178.142.75 0:0:0:0:0:ffff:7bb2:8e4b
123.178.142.76 0:0:0:0:0:ffff:7bb2:8e4c
123.178.142.77 0:0:0:0:0:ffff:7bb2:8e4d
123.178.142.78 0:0:0:0:0:ffff:7bb2:8e4e
123.178.142.79 0:0:0:0:0:ffff:7bb2:8e4f
123.178.142.80 0:0:0:0:0:ffff:7bb2:8e50
123.178.142.81 0:0:0:0:0:ffff:7bb2:8e51
123.178.142.82 0:0:0:0:0:ffff:7bb2:8e52
123.178.142.83 0:0:0:0:0:ffff:7bb2:8e53
123.178.142.84 0:0:0:0:0:ffff:7bb2:8e54
123.178.142.85 0:0:0:0:0:ffff:7bb2:8e55
123.178.142.86 0:0:0:0:0:ffff:7bb2:8e56
123.178.142.87 0:0:0:0:0:ffff:7bb2:8e57
123.178.142.88 0:0:0:0:0:ffff:7bb2:8e58
123.178.142.89 0:0:0:0:0:ffff:7bb2:8e59
123.178.142.90 0:0:0:0:0:ffff:7bb2:8e5a
123.178.142.91 0:0:0:0:0:ffff:7bb2:8e5b
123.178.142.92 0:0:0:0:0:ffff:7bb2:8e5c
123.178.142.93 0:0:0:0:0:ffff:7bb2:8e5d
123.178.142.94 0:0:0:0:0:ffff:7bb2:8e5e
123.178.142.95 0:0:0:0:0:ffff:7bb2:8e5f
123.178.142.96 0:0:0:0:0:ffff:7bb2:8e60
123.178.142.97 0:0:0:0:0:ffff:7bb2:8e61
123.178.142.98 0:0:0:0:0:ffff:7bb2:8e62
123.178.142.99 0:0:0:0:0:ffff:7bb2:8e63
123.178.142.100 0:0:0:0:0:ffff:7bb2:8e64
123.178.142.101 0:0:0:0:0:ffff:7bb2:8e65
123.178.142.102 0:0:0:0:0:ffff:7bb2:8e66
123.178.142.103 0:0:0:0:0:ffff:7bb2:8e67
123.178.142.104 0:0:0:0:0:ffff:7bb2:8e68
123.178.142.105 0:0:0:0:0:ffff:7bb2:8e69
123.178.142.106 0:0:0:0:0:ffff:7bb2:8e6a
123.178.142.107 0:0:0:0:0:ffff:7bb2:8e6b
123.178.142.108 0:0:0:0:0:ffff:7bb2:8e6c
123.178.142.109 0:0:0:0:0:ffff:7bb2:8e6d
123.178.142.110 0:0:0:0:0:ffff:7bb2:8e6e
123.178.142.111 0:0:0:0:0:ffff:7bb2:8e6f
123.178.142.112 0:0:0:0:0:ffff:7bb2:8e70
123.178.142.113 0:0:0:0:0:ffff:7bb2:8e71
123.178.142.114 0:0:0:0:0:ffff:7bb2:8e72
123.178.142.115 0:0:0:0:0:ffff:7bb2:8e73
123.178.142.116 0:0:0:0:0:ffff:7bb2:8e74
123.178.142.117 0:0:0:0:0:ffff:7bb2:8e75
123.178.142.118 0:0:0:0:0:ffff:7bb2:8e76
123.178.142.119 0:0:0:0:0:ffff:7bb2:8e77
123.178.142.120 0:0:0:0:0:ffff:7bb2:8e78


123.178.142.121 0:0:0:0:0:ffff:7bb2:8e79
123.178.142.122 0:0:0:0:0:ffff:7bb2:8e7a
123.178.142.123 0:0:0:0:0:ffff:7bb2:8e7b
123.178.142.124 0:0:0:0:0:ffff:7bb2:8e7c
123.178.142.125 0:0:0:0:0:ffff:7bb2:8e7d
123.178.142.126 0:0:0:0:0:ffff:7bb2:8e7e
123.178.142.127 0:0:0:0:0:ffff:7bb2:8e7f
123.178.142.128 0:0:0:0:0:ffff:7bb2:8e80
123.178.142.129 0:0:0:0:0:ffff:7bb2:8e81
123.178.142.130 0:0:0:0:0:ffff:7bb2:8e82
123.178.142.131 0:0:0:0:0:ffff:7bb2:8e83
123.178.142.132 0:0:0:0:0:ffff:7bb2:8e84
123.178.142.133 0:0:0:0:0:ffff:7bb2:8e85
123.178.142.134 0:0:0:0:0:ffff:7bb2:8e86
123.178.142.135 0:0:0:0:0:ffff:7bb2:8e87
123.178.142.136 0:0:0:0:0:ffff:7bb2:8e88
123.178.142.137 0:0:0:0:0:ffff:7bb2:8e89
123.178.142.138 0:0:0:0:0:ffff:7bb2:8e8a
123.178.142.139 0:0:0:0:0:ffff:7bb2:8e8b
123.178.142.140 0:0:0:0:0:ffff:7bb2:8e8c
123.178.142.141 0:0:0:0:0:ffff:7bb2:8e8d
123.178.142.142 0:0:0:0:0:ffff:7bb2:8e8e
123.178.142.143 0:0:0:0:0:ffff:7bb2:8e8f
123.178.142.144 0:0:0:0:0:ffff:7bb2:8e90
123.178.142.145 0:0:0:0:0:ffff:7bb2:8e91
123.178.142.146 0:0:0:0:0:ffff:7bb2:8e92
123.178.142.147 0:0:0:0:0:ffff:7bb2:8e93
123.178.142.148 0:0:0:0:0:ffff:7bb2:8e94
123.178.142.149 0:0:0:0:0:ffff:7bb2:8e95
123.178.142.150 0:0:0:0:0:ffff:7bb2:8e96
123.178.142.151 0:0:0:0:0:ffff:7bb2:8e97
123.178.142.152 0:0:0:0:0:ffff:7bb2:8e98
123.178.142.153 0:0:0:0:0:ffff:7bb2:8e99
123.178.142.154 0:0:0:0:0:ffff:7bb2:8e9a
123.178.142.155 0:0:0:0:0:ffff:7bb2:8e9b
123.178.142.156 0:0:0:0:0:ffff:7bb2:8e9c
123.178.142.157 0:0:0:0:0:ffff:7bb2:8e9d
123.178.142.158 0:0:0:0:0:ffff:7bb2:8e9e
123.178.142.159 0:0:0:0:0:ffff:7bb2:8e9f
123.178.142.160 0:0:0:0:0:ffff:7bb2:8ea0
123.178.142.161 0:0:0:0:0:ffff:7bb2:8ea1
123.178.142.162 0:0:0:0:0:ffff:7bb2:8ea2
123.178.142.163 0:0:0:0:0:ffff:7bb2:8ea3
123.178.142.164 0:0:0:0:0:ffff:7bb2:8ea4
123.178.142.165 0:0:0:0:0:ffff:7bb2:8ea5
123.178.142.166 0:0:0:0:0:ffff:7bb2:8ea6
123.178.142.167 0:0:0:0:0:ffff:7bb2:8ea7
123.178.142.168 0:0:0:0:0:ffff:7bb2:8ea8
123.178.142.169 0:0:0:0:0:ffff:7bb2:8ea9
123.178.142.170 0:0:0:0:0:ffff:7bb2:8eaa
123.178.142.171 0:0:0:0:0:ffff:7bb2:8eab
123.178.142.172 0:0:0:0:0:ffff:7bb2:8eac
123.178.142.173 0:0:0:0:0:ffff:7bb2:8ead
123.178.142.174 0:0:0:0:0:ffff:7bb2:8eae
123.178.142.175 0:0:0:0:0:ffff:7bb2:8eaf
123.178.142.176 0:0:0:0:0:ffff:7bb2:8eb0
123.178.142.177 0:0:0:0:0:ffff:7bb2:8eb1
123.178.142.178 0:0:0:0:0:ffff:7bb2:8eb2
123.178.142.179 0:0:0:0:0:ffff:7bb2:8eb3
123.178.142.180 0:0:0:0:0:ffff:7bb2:8eb4


123.178.142.181 0:0:0:0:0:ffff:7bb2:8eb5
123.178.142.182 0:0:0:0:0:ffff:7bb2:8eb6
123.178.142.183 0:0:0:0:0:ffff:7bb2:8eb7
123.178.142.184 0:0:0:0:0:ffff:7bb2:8eb8
123.178.142.185 0:0:0:0:0:ffff:7bb2:8eb9
123.178.142.186 0:0:0:0:0:ffff:7bb2:8eba
123.178.142.187 0:0:0:0:0:ffff:7bb2:8ebb
123.178.142.188 0:0:0:0:0:ffff:7bb2:8ebc
123.178.142.189 0:0:0:0:0:ffff:7bb2:8ebd
123.178.142.190 0:0:0:0:0:ffff:7bb2:8ebe
123.178.142.191 0:0:0:0:0:ffff:7bb2:8ebf
123.178.142.192 0:0:0:0:0:ffff:7bb2:8ec0
123.178.142.193 0:0:0:0:0:ffff:7bb2:8ec1
123.178.142.194 0:0:0:0:0:ffff:7bb2:8ec2
123.178.142.195 0:0:0:0:0:ffff:7bb2:8ec3
123.178.142.196 0:0:0:0:0:ffff:7bb2:8ec4
123.178.142.197 0:0:0:0:0:ffff:7bb2:8ec5
123.178.142.198 0:0:0:0:0:ffff:7bb2:8ec6
123.178.142.199 0:0:0:0:0:ffff:7bb2:8ec7
123.178.142.200 0:0:0:0:0:ffff:7bb2:8ec8
123.178.142.201 0:0:0:0:0:ffff:7bb2:8ec9
123.178.142.202 0:0:0:0:0:ffff:7bb2:8eca
123.178.142.203 0:0:0:0:0:ffff:7bb2:8ecb
123.178.142.204 0:0:0:0:0:ffff:7bb2:8ecc
123.178.142.205 0:0:0:0:0:ffff:7bb2:8ecd
123.178.142.206 0:0:0:0:0:ffff:7bb2:8ece
123.178.142.207 0:0:0:0:0:ffff:7bb2:8ecf
123.178.142.208 0:0:0:0:0:ffff:7bb2:8ed0
123.178.142.209 0:0:0:0:0:ffff:7bb2:8ed1
123.178.142.210 0:0:0:0:0:ffff:7bb2:8ed2
123.178.142.211 0:0:0:0:0:ffff:7bb2:8ed3
123.178.142.212 0:0:0:0:0:ffff:7bb2:8ed4
123.178.142.213 0:0:0:0:0:ffff:7bb2:8ed5
123.178.142.214 0:0:0:0:0:ffff:7bb2:8ed6
123.178.142.215 0:0:0:0:0:ffff:7bb2:8ed7
123.178.142.216 0:0:0:0:0:ffff:7bb2:8ed8
123.178.142.217 0:0:0:0:0:ffff:7bb2:8ed9
123.178.142.218 0:0:0:0:0:ffff:7bb2:8eda
123.178.142.219 0:0:0:0:0:ffff:7bb2:8edb
123.178.142.220 0:0:0:0:0:ffff:7bb2:8edc
123.178.142.221 0:0:0:0:0:ffff:7bb2:8edd
123.178.142.222 0:0:0:0:0:ffff:7bb2:8ede
123.178.142.223 0:0:0:0:0:ffff:7bb2:8edf
123.178.142.224 0:0:0:0:0:ffff:7bb2:8ee0
123.178.142.225 0:0:0:0:0:ffff:7bb2:8ee1
123.178.142.226 0:0:0:0:0:ffff:7bb2:8ee2
123.178.142.227 0:0:0:0:0:ffff:7bb2:8ee3
123.178.142.228 0:0:0:0:0:ffff:7bb2:8ee4
123.178.142.229 0:0:0:0:0:ffff:7bb2:8ee5
123.178.142.230 0:0:0:0:0:ffff:7bb2:8ee6
123.178.142.231 0:0:0:0:0:ffff:7bb2:8ee7
123.178.142.232 0:0:0:0:0:ffff:7bb2:8ee8
123.178.142.233 0:0:0:0:0:ffff:7bb2:8ee9
123.178.142.234 0:0:0:0:0:ffff:7bb2:8eea
123.178.142.235 0:0:0:0:0:ffff:7bb2:8eeb
123.178.142.236 0:0:0:0:0:ffff:7bb2:8eec
123.178.142.237 0:0:0:0:0:ffff:7bb2:8eed
123.178.142.238 0:0:0:0:0:ffff:7bb2:8eee
123.178.142.239 0:0:0:0:0:ffff:7bb2:8eef
123.178.142.240 0:0:0:0:0:ffff:7bb2:8ef0
123.178.142.241 0:0:0:0:0:ffff:7bb2:8ef1
123.178.142.242 0:0:0:0:0:ffff:7bb2:8ef2
123.178.142.243 0:0:0:0:0:ffff:7bb2:8ef3
123.178.142.244 0:0:0:0:0:ffff:7bb2:8ef4
123.178.142.245 0:0:0:0:0:ffff:7bb2:8ef5
123.178.142.246 0:0:0:0:0:ffff:7bb2:8ef6
123.178.142.247 0:0:0:0:0:ffff:7bb2:8ef7
123.178.142.248 0:0:0:0:0:ffff:7bb2:8ef8
123.178.142.249 0:0:0:0:0:ffff:7bb2:8ef9
123.178.142.250 0:0:0:0:0:ffff:7bb2:8efa
123.178.142.251 0:0:0:0:0:ffff:7bb2:8efb
123.178.142.252 0:0:0:0:0:ffff:7bb2:8efc
123.178.142.253 0:0:0:0:0:ffff:7bb2:8efd
123.178.142.254 0:0:0:0:0:ffff:7bb2:8efe
123.178.142.255 0:0:0:0:0:ffff:7bb2:8eff


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.