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
143.243.77.1 0:0:0:0:0:ffff:8ff3:4d01
143.243.77.2 0:0:0:0:0:ffff:8ff3:4d02
143.243.77.3 0:0:0:0:0:ffff:8ff3:4d03
143.243.77.4 0:0:0:0:0:ffff:8ff3:4d04
143.243.77.5 0:0:0:0:0:ffff:8ff3:4d05
143.243.77.6 0:0:0:0:0:ffff:8ff3:4d06
143.243.77.7 0:0:0:0:0:ffff:8ff3:4d07
143.243.77.8 0:0:0:0:0:ffff:8ff3:4d08
143.243.77.9 0:0:0:0:0:ffff:8ff3:4d09
143.243.77.10 0:0:0:0:0:ffff:8ff3:4d0a
143.243.77.11 0:0:0:0:0:ffff:8ff3:4d0b
143.243.77.12 0:0:0:0:0:ffff:8ff3:4d0c
143.243.77.13 0:0:0:0:0:ffff:8ff3:4d0d
143.243.77.14 0:0:0:0:0:ffff:8ff3:4d0e
143.243.77.15 0:0:0:0:0:ffff:8ff3:4d0f
143.243.77.16 0:0:0:0:0:ffff:8ff3:4d10
143.243.77.17 0:0:0:0:0:ffff:8ff3:4d11
143.243.77.18 0:0:0:0:0:ffff:8ff3:4d12
143.243.77.19 0:0:0:0:0:ffff:8ff3:4d13
143.243.77.20 0:0:0:0:0:ffff:8ff3:4d14
143.243.77.21 0:0:0:0:0:ffff:8ff3:4d15
143.243.77.22 0:0:0:0:0:ffff:8ff3:4d16
143.243.77.23 0:0:0:0:0:ffff:8ff3:4d17
143.243.77.24 0:0:0:0:0:ffff:8ff3:4d18
143.243.77.25 0:0:0:0:0:ffff:8ff3:4d19
143.243.77.26 0:0:0:0:0:ffff:8ff3:4d1a
143.243.77.27 0:0:0:0:0:ffff:8ff3:4d1b
143.243.77.28 0:0:0:0:0:ffff:8ff3:4d1c
143.243.77.29 0:0:0:0:0:ffff:8ff3:4d1d
143.243.77.30 0:0:0:0:0:ffff:8ff3:4d1e
143.243.77.31 0:0:0:0:0:ffff:8ff3:4d1f
143.243.77.32 0:0:0:0:0:ffff:8ff3:4d20
143.243.77.33 0:0:0:0:0:ffff:8ff3:4d21
143.243.77.34 0:0:0:0:0:ffff:8ff3:4d22
143.243.77.35 0:0:0:0:0:ffff:8ff3:4d23
143.243.77.36 0:0:0:0:0:ffff:8ff3:4d24
143.243.77.37 0:0:0:0:0:ffff:8ff3:4d25
143.243.77.38 0:0:0:0:0:ffff:8ff3:4d26
143.243.77.39 0:0:0:0:0:ffff:8ff3:4d27
143.243.77.40 0:0:0:0:0:ffff:8ff3:4d28
143.243.77.41 0:0:0:0:0:ffff:8ff3:4d29
143.243.77.42 0:0:0:0:0:ffff:8ff3:4d2a
143.243.77.43 0:0:0:0:0:ffff:8ff3:4d2b
143.243.77.44 0:0:0:0:0:ffff:8ff3:4d2c
143.243.77.45 0:0:0:0:0:ffff:8ff3:4d2d
143.243.77.46 0:0:0:0:0:ffff:8ff3:4d2e
143.243.77.47 0:0:0:0:0:ffff:8ff3:4d2f
143.243.77.48 0:0:0:0:0:ffff:8ff3:4d30
143.243.77.49 0:0:0:0:0:ffff:8ff3:4d31
143.243.77.50 0:0:0:0:0:ffff:8ff3:4d32
143.243.77.51 0:0:0:0:0:ffff:8ff3:4d33
143.243.77.52 0:0:0:0:0:ffff:8ff3:4d34
143.243.77.53 0:0:0:0:0:ffff:8ff3:4d35
143.243.77.54 0:0:0:0:0:ffff:8ff3:4d36
143.243.77.55 0:0:0:0:0:ffff:8ff3:4d37
143.243.77.56 0:0:0:0:0:ffff:8ff3:4d38
143.243.77.57 0:0:0:0:0:ffff:8ff3:4d39
143.243.77.58 0:0:0:0:0:ffff:8ff3:4d3a
143.243.77.59 0:0:0:0:0:ffff:8ff3:4d3b
143.243.77.60 0:0:0:0:0:ffff:8ff3:4d3c


143.243.77.61 0:0:0:0:0:ffff:8ff3:4d3d
143.243.77.62 0:0:0:0:0:ffff:8ff3:4d3e
143.243.77.63 0:0:0:0:0:ffff:8ff3:4d3f
143.243.77.64 0:0:0:0:0:ffff:8ff3:4d40
143.243.77.65 0:0:0:0:0:ffff:8ff3:4d41
143.243.77.66 0:0:0:0:0:ffff:8ff3:4d42
143.243.77.67 0:0:0:0:0:ffff:8ff3:4d43
143.243.77.68 0:0:0:0:0:ffff:8ff3:4d44
143.243.77.69 0:0:0:0:0:ffff:8ff3:4d45
143.243.77.70 0:0:0:0:0:ffff:8ff3:4d46
143.243.77.71 0:0:0:0:0:ffff:8ff3:4d47
143.243.77.72 0:0:0:0:0:ffff:8ff3:4d48
143.243.77.73 0:0:0:0:0:ffff:8ff3:4d49
143.243.77.74 0:0:0:0:0:ffff:8ff3:4d4a
143.243.77.75 0:0:0:0:0:ffff:8ff3:4d4b
143.243.77.76 0:0:0:0:0:ffff:8ff3:4d4c
143.243.77.77 0:0:0:0:0:ffff:8ff3:4d4d
143.243.77.78 0:0:0:0:0:ffff:8ff3:4d4e
143.243.77.79 0:0:0:0:0:ffff:8ff3:4d4f
143.243.77.80 0:0:0:0:0:ffff:8ff3:4d50
143.243.77.81 0:0:0:0:0:ffff:8ff3:4d51
143.243.77.82 0:0:0:0:0:ffff:8ff3:4d52
143.243.77.83 0:0:0:0:0:ffff:8ff3:4d53
143.243.77.84 0:0:0:0:0:ffff:8ff3:4d54
143.243.77.85 0:0:0:0:0:ffff:8ff3:4d55
143.243.77.86 0:0:0:0:0:ffff:8ff3:4d56
143.243.77.87 0:0:0:0:0:ffff:8ff3:4d57
143.243.77.88 0:0:0:0:0:ffff:8ff3:4d58
143.243.77.89 0:0:0:0:0:ffff:8ff3:4d59
143.243.77.90 0:0:0:0:0:ffff:8ff3:4d5a
143.243.77.91 0:0:0:0:0:ffff:8ff3:4d5b
143.243.77.92 0:0:0:0:0:ffff:8ff3:4d5c
143.243.77.93 0:0:0:0:0:ffff:8ff3:4d5d
143.243.77.94 0:0:0:0:0:ffff:8ff3:4d5e
143.243.77.95 0:0:0:0:0:ffff:8ff3:4d5f
143.243.77.96 0:0:0:0:0:ffff:8ff3:4d60
143.243.77.97 0:0:0:0:0:ffff:8ff3:4d61
143.243.77.98 0:0:0:0:0:ffff:8ff3:4d62
143.243.77.99 0:0:0:0:0:ffff:8ff3:4d63
143.243.77.100 0:0:0:0:0:ffff:8ff3:4d64
143.243.77.101 0:0:0:0:0:ffff:8ff3:4d65
143.243.77.102 0:0:0:0:0:ffff:8ff3:4d66
143.243.77.103 0:0:0:0:0:ffff:8ff3:4d67
143.243.77.104 0:0:0:0:0:ffff:8ff3:4d68
143.243.77.105 0:0:0:0:0:ffff:8ff3:4d69
143.243.77.106 0:0:0:0:0:ffff:8ff3:4d6a
143.243.77.107 0:0:0:0:0:ffff:8ff3:4d6b
143.243.77.108 0:0:0:0:0:ffff:8ff3:4d6c
143.243.77.109 0:0:0:0:0:ffff:8ff3:4d6d
143.243.77.110 0:0:0:0:0:ffff:8ff3:4d6e
143.243.77.111 0:0:0:0:0:ffff:8ff3:4d6f
143.243.77.112 0:0:0:0:0:ffff:8ff3:4d70
143.243.77.113 0:0:0:0:0:ffff:8ff3:4d71
143.243.77.114 0:0:0:0:0:ffff:8ff3:4d72
143.243.77.115 0:0:0:0:0:ffff:8ff3:4d73
143.243.77.116 0:0:0:0:0:ffff:8ff3:4d74
143.243.77.117 0:0:0:0:0:ffff:8ff3:4d75
143.243.77.118 0:0:0:0:0:ffff:8ff3:4d76
143.243.77.119 0:0:0:0:0:ffff:8ff3:4d77
143.243.77.120 0:0:0:0:0:ffff:8ff3:4d78


143.243.77.121 0:0:0:0:0:ffff:8ff3:4d79
143.243.77.122 0:0:0:0:0:ffff:8ff3:4d7a
143.243.77.123 0:0:0:0:0:ffff:8ff3:4d7b
143.243.77.124 0:0:0:0:0:ffff:8ff3:4d7c
143.243.77.125 0:0:0:0:0:ffff:8ff3:4d7d
143.243.77.126 0:0:0:0:0:ffff:8ff3:4d7e
143.243.77.127 0:0:0:0:0:ffff:8ff3:4d7f
143.243.77.128 0:0:0:0:0:ffff:8ff3:4d80
143.243.77.129 0:0:0:0:0:ffff:8ff3:4d81
143.243.77.130 0:0:0:0:0:ffff:8ff3:4d82
143.243.77.131 0:0:0:0:0:ffff:8ff3:4d83
143.243.77.132 0:0:0:0:0:ffff:8ff3:4d84
143.243.77.133 0:0:0:0:0:ffff:8ff3:4d85
143.243.77.134 0:0:0:0:0:ffff:8ff3:4d86
143.243.77.135 0:0:0:0:0:ffff:8ff3:4d87
143.243.77.136 0:0:0:0:0:ffff:8ff3:4d88
143.243.77.137 0:0:0:0:0:ffff:8ff3:4d89
143.243.77.138 0:0:0:0:0:ffff:8ff3:4d8a
143.243.77.139 0:0:0:0:0:ffff:8ff3:4d8b
143.243.77.140 0:0:0:0:0:ffff:8ff3:4d8c
143.243.77.141 0:0:0:0:0:ffff:8ff3:4d8d
143.243.77.142 0:0:0:0:0:ffff:8ff3:4d8e
143.243.77.143 0:0:0:0:0:ffff:8ff3:4d8f
143.243.77.144 0:0:0:0:0:ffff:8ff3:4d90
143.243.77.145 0:0:0:0:0:ffff:8ff3:4d91
143.243.77.146 0:0:0:0:0:ffff:8ff3:4d92
143.243.77.147 0:0:0:0:0:ffff:8ff3:4d93
143.243.77.148 0:0:0:0:0:ffff:8ff3:4d94
143.243.77.149 0:0:0:0:0:ffff:8ff3:4d95
143.243.77.150 0:0:0:0:0:ffff:8ff3:4d96
143.243.77.151 0:0:0:0:0:ffff:8ff3:4d97
143.243.77.152 0:0:0:0:0:ffff:8ff3:4d98
143.243.77.153 0:0:0:0:0:ffff:8ff3:4d99
143.243.77.154 0:0:0:0:0:ffff:8ff3:4d9a
143.243.77.155 0:0:0:0:0:ffff:8ff3:4d9b
143.243.77.156 0:0:0:0:0:ffff:8ff3:4d9c
143.243.77.157 0:0:0:0:0:ffff:8ff3:4d9d
143.243.77.158 0:0:0:0:0:ffff:8ff3:4d9e
143.243.77.159 0:0:0:0:0:ffff:8ff3:4d9f
143.243.77.160 0:0:0:0:0:ffff:8ff3:4da0
143.243.77.161 0:0:0:0:0:ffff:8ff3:4da1
143.243.77.162 0:0:0:0:0:ffff:8ff3:4da2
143.243.77.163 0:0:0:0:0:ffff:8ff3:4da3
143.243.77.164 0:0:0:0:0:ffff:8ff3:4da4
143.243.77.165 0:0:0:0:0:ffff:8ff3:4da5
143.243.77.166 0:0:0:0:0:ffff:8ff3:4da6
143.243.77.167 0:0:0:0:0:ffff:8ff3:4da7
143.243.77.168 0:0:0:0:0:ffff:8ff3:4da8
143.243.77.169 0:0:0:0:0:ffff:8ff3:4da9
143.243.77.170 0:0:0:0:0:ffff:8ff3:4daa
143.243.77.171 0:0:0:0:0:ffff:8ff3:4dab
143.243.77.172 0:0:0:0:0:ffff:8ff3:4dac
143.243.77.173 0:0:0:0:0:ffff:8ff3:4dad
143.243.77.174 0:0:0:0:0:ffff:8ff3:4dae
143.243.77.175 0:0:0:0:0:ffff:8ff3:4daf
143.243.77.176 0:0:0:0:0:ffff:8ff3:4db0
143.243.77.177 0:0:0:0:0:ffff:8ff3:4db1
143.243.77.178 0:0:0:0:0:ffff:8ff3:4db2
143.243.77.179 0:0:0:0:0:ffff:8ff3:4db3
143.243.77.180 0:0:0:0:0:ffff:8ff3:4db4


143.243.77.181 0:0:0:0:0:ffff:8ff3:4db5
143.243.77.182 0:0:0:0:0:ffff:8ff3:4db6
143.243.77.183 0:0:0:0:0:ffff:8ff3:4db7
143.243.77.184 0:0:0:0:0:ffff:8ff3:4db8
143.243.77.185 0:0:0:0:0:ffff:8ff3:4db9
143.243.77.186 0:0:0:0:0:ffff:8ff3:4dba
143.243.77.187 0:0:0:0:0:ffff:8ff3:4dbb
143.243.77.188 0:0:0:0:0:ffff:8ff3:4dbc
143.243.77.189 0:0:0:0:0:ffff:8ff3:4dbd
143.243.77.190 0:0:0:0:0:ffff:8ff3:4dbe
143.243.77.191 0:0:0:0:0:ffff:8ff3:4dbf
143.243.77.192 0:0:0:0:0:ffff:8ff3:4dc0
143.243.77.193 0:0:0:0:0:ffff:8ff3:4dc1
143.243.77.194 0:0:0:0:0:ffff:8ff3:4dc2
143.243.77.195 0:0:0:0:0:ffff:8ff3:4dc3
143.243.77.196 0:0:0:0:0:ffff:8ff3:4dc4
143.243.77.197 0:0:0:0:0:ffff:8ff3:4dc5
143.243.77.198 0:0:0:0:0:ffff:8ff3:4dc6
143.243.77.199 0:0:0:0:0:ffff:8ff3:4dc7
143.243.77.200 0:0:0:0:0:ffff:8ff3:4dc8
143.243.77.201 0:0:0:0:0:ffff:8ff3:4dc9
143.243.77.202 0:0:0:0:0:ffff:8ff3:4dca
143.243.77.203 0:0:0:0:0:ffff:8ff3:4dcb
143.243.77.204 0:0:0:0:0:ffff:8ff3:4dcc
143.243.77.205 0:0:0:0:0:ffff:8ff3:4dcd
143.243.77.206 0:0:0:0:0:ffff:8ff3:4dce
143.243.77.207 0:0:0:0:0:ffff:8ff3:4dcf
143.243.77.208 0:0:0:0:0:ffff:8ff3:4dd0
143.243.77.209 0:0:0:0:0:ffff:8ff3:4dd1
143.243.77.210 0:0:0:0:0:ffff:8ff3:4dd2
143.243.77.211 0:0:0:0:0:ffff:8ff3:4dd3
143.243.77.212 0:0:0:0:0:ffff:8ff3:4dd4
143.243.77.213 0:0:0:0:0:ffff:8ff3:4dd5
143.243.77.214 0:0:0:0:0:ffff:8ff3:4dd6
143.243.77.215 0:0:0:0:0:ffff:8ff3:4dd7
143.243.77.216 0:0:0:0:0:ffff:8ff3:4dd8
143.243.77.217 0:0:0:0:0:ffff:8ff3:4dd9
143.243.77.218 0:0:0:0:0:ffff:8ff3:4dda
143.243.77.219 0:0:0:0:0:ffff:8ff3:4ddb
143.243.77.220 0:0:0:0:0:ffff:8ff3:4ddc
143.243.77.221 0:0:0:0:0:ffff:8ff3:4ddd
143.243.77.222 0:0:0:0:0:ffff:8ff3:4dde
143.243.77.223 0:0:0:0:0:ffff:8ff3:4ddf
143.243.77.224 0:0:0:0:0:ffff:8ff3:4de0
143.243.77.225 0:0:0:0:0:ffff:8ff3:4de1
143.243.77.226 0:0:0:0:0:ffff:8ff3:4de2
143.243.77.227 0:0:0:0:0:ffff:8ff3:4de3
143.243.77.228 0:0:0:0:0:ffff:8ff3:4de4
143.243.77.229 0:0:0:0:0:ffff:8ff3:4de5
143.243.77.230 0:0:0:0:0:ffff:8ff3:4de6
143.243.77.231 0:0:0:0:0:ffff:8ff3:4de7
143.243.77.232 0:0:0:0:0:ffff:8ff3:4de8
143.243.77.233 0:0:0:0:0:ffff:8ff3:4de9
143.243.77.234 0:0:0:0:0:ffff:8ff3:4dea
143.243.77.235 0:0:0:0:0:ffff:8ff3:4deb
143.243.77.236 0:0:0:0:0:ffff:8ff3:4dec
143.243.77.237 0:0:0:0:0:ffff:8ff3:4ded
143.243.77.238 0:0:0:0:0:ffff:8ff3:4dee
143.243.77.239 0:0:0:0:0:ffff:8ff3:4def
143.243.77.240 0:0:0:0:0:ffff:8ff3:4df0
143.243.77.241 0:0:0:0:0:ffff:8ff3:4df1
143.243.77.242 0:0:0:0:0:ffff:8ff3:4df2
143.243.77.243 0:0:0:0:0:ffff:8ff3:4df3
143.243.77.244 0:0:0:0:0:ffff:8ff3:4df4
143.243.77.245 0:0:0:0:0:ffff:8ff3:4df5
143.243.77.246 0:0:0:0:0:ffff:8ff3:4df6
143.243.77.247 0:0:0:0:0:ffff:8ff3:4df7
143.243.77.248 0:0:0:0:0:ffff:8ff3:4df8
143.243.77.249 0:0:0:0:0:ffff:8ff3:4df9
143.243.77.250 0:0:0:0:0:ffff:8ff3:4dfa
143.243.77.251 0:0:0:0:0:ffff:8ff3:4dfb
143.243.77.252 0:0:0:0:0:ffff:8ff3:4dfc
143.243.77.253 0:0:0:0:0:ffff:8ff3:4dfd
143.243.77.254 0:0:0:0:0:ffff:8ff3:4dfe
143.243.77.255 0:0:0:0:0:ffff:8ff3:4dff


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.