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
143.243.237.1 0:0:0:0:0:ffff:8ff3:ed01
143.243.237.2 0:0:0:0:0:ffff:8ff3:ed02
143.243.237.3 0:0:0:0:0:ffff:8ff3:ed03
143.243.237.4 0:0:0:0:0:ffff:8ff3:ed04
143.243.237.5 0:0:0:0:0:ffff:8ff3:ed05
143.243.237.6 0:0:0:0:0:ffff:8ff3:ed06
143.243.237.7 0:0:0:0:0:ffff:8ff3:ed07
143.243.237.8 0:0:0:0:0:ffff:8ff3:ed08
143.243.237.9 0:0:0:0:0:ffff:8ff3:ed09
143.243.237.10 0:0:0:0:0:ffff:8ff3:ed0a
143.243.237.11 0:0:0:0:0:ffff:8ff3:ed0b
143.243.237.12 0:0:0:0:0:ffff:8ff3:ed0c
143.243.237.13 0:0:0:0:0:ffff:8ff3:ed0d
143.243.237.14 0:0:0:0:0:ffff:8ff3:ed0e
143.243.237.15 0:0:0:0:0:ffff:8ff3:ed0f
143.243.237.16 0:0:0:0:0:ffff:8ff3:ed10
143.243.237.17 0:0:0:0:0:ffff:8ff3:ed11
143.243.237.18 0:0:0:0:0:ffff:8ff3:ed12
143.243.237.19 0:0:0:0:0:ffff:8ff3:ed13
143.243.237.20 0:0:0:0:0:ffff:8ff3:ed14
143.243.237.21 0:0:0:0:0:ffff:8ff3:ed15
143.243.237.22 0:0:0:0:0:ffff:8ff3:ed16
143.243.237.23 0:0:0:0:0:ffff:8ff3:ed17
143.243.237.24 0:0:0:0:0:ffff:8ff3:ed18
143.243.237.25 0:0:0:0:0:ffff:8ff3:ed19
143.243.237.26 0:0:0:0:0:ffff:8ff3:ed1a
143.243.237.27 0:0:0:0:0:ffff:8ff3:ed1b
143.243.237.28 0:0:0:0:0:ffff:8ff3:ed1c
143.243.237.29 0:0:0:0:0:ffff:8ff3:ed1d
143.243.237.30 0:0:0:0:0:ffff:8ff3:ed1e
143.243.237.31 0:0:0:0:0:ffff:8ff3:ed1f
143.243.237.32 0:0:0:0:0:ffff:8ff3:ed20
143.243.237.33 0:0:0:0:0:ffff:8ff3:ed21
143.243.237.34 0:0:0:0:0:ffff:8ff3:ed22
143.243.237.35 0:0:0:0:0:ffff:8ff3:ed23
143.243.237.36 0:0:0:0:0:ffff:8ff3:ed24
143.243.237.37 0:0:0:0:0:ffff:8ff3:ed25
143.243.237.38 0:0:0:0:0:ffff:8ff3:ed26
143.243.237.39 0:0:0:0:0:ffff:8ff3:ed27
143.243.237.40 0:0:0:0:0:ffff:8ff3:ed28
143.243.237.41 0:0:0:0:0:ffff:8ff3:ed29
143.243.237.42 0:0:0:0:0:ffff:8ff3:ed2a
143.243.237.43 0:0:0:0:0:ffff:8ff3:ed2b
143.243.237.44 0:0:0:0:0:ffff:8ff3:ed2c
143.243.237.45 0:0:0:0:0:ffff:8ff3:ed2d
143.243.237.46 0:0:0:0:0:ffff:8ff3:ed2e
143.243.237.47 0:0:0:0:0:ffff:8ff3:ed2f
143.243.237.48 0:0:0:0:0:ffff:8ff3:ed30
143.243.237.49 0:0:0:0:0:ffff:8ff3:ed31
143.243.237.50 0:0:0:0:0:ffff:8ff3:ed32
143.243.237.51 0:0:0:0:0:ffff:8ff3:ed33
143.243.237.52 0:0:0:0:0:ffff:8ff3:ed34
143.243.237.53 0:0:0:0:0:ffff:8ff3:ed35
143.243.237.54 0:0:0:0:0:ffff:8ff3:ed36
143.243.237.55 0:0:0:0:0:ffff:8ff3:ed37
143.243.237.56 0:0:0:0:0:ffff:8ff3:ed38
143.243.237.57 0:0:0:0:0:ffff:8ff3:ed39
143.243.237.58 0:0:0:0:0:ffff:8ff3:ed3a
143.243.237.59 0:0:0:0:0:ffff:8ff3:ed3b
143.243.237.60 0:0:0:0:0:ffff:8ff3:ed3c


143.243.237.61 0:0:0:0:0:ffff:8ff3:ed3d
143.243.237.62 0:0:0:0:0:ffff:8ff3:ed3e
143.243.237.63 0:0:0:0:0:ffff:8ff3:ed3f
143.243.237.64 0:0:0:0:0:ffff:8ff3:ed40
143.243.237.65 0:0:0:0:0:ffff:8ff3:ed41
143.243.237.66 0:0:0:0:0:ffff:8ff3:ed42
143.243.237.67 0:0:0:0:0:ffff:8ff3:ed43
143.243.237.68 0:0:0:0:0:ffff:8ff3:ed44
143.243.237.69 0:0:0:0:0:ffff:8ff3:ed45
143.243.237.70 0:0:0:0:0:ffff:8ff3:ed46
143.243.237.71 0:0:0:0:0:ffff:8ff3:ed47
143.243.237.72 0:0:0:0:0:ffff:8ff3:ed48
143.243.237.73 0:0:0:0:0:ffff:8ff3:ed49
143.243.237.74 0:0:0:0:0:ffff:8ff3:ed4a
143.243.237.75 0:0:0:0:0:ffff:8ff3:ed4b
143.243.237.76 0:0:0:0:0:ffff:8ff3:ed4c
143.243.237.77 0:0:0:0:0:ffff:8ff3:ed4d
143.243.237.78 0:0:0:0:0:ffff:8ff3:ed4e
143.243.237.79 0:0:0:0:0:ffff:8ff3:ed4f
143.243.237.80 0:0:0:0:0:ffff:8ff3:ed50
143.243.237.81 0:0:0:0:0:ffff:8ff3:ed51
143.243.237.82 0:0:0:0:0:ffff:8ff3:ed52
143.243.237.83 0:0:0:0:0:ffff:8ff3:ed53
143.243.237.84 0:0:0:0:0:ffff:8ff3:ed54
143.243.237.85 0:0:0:0:0:ffff:8ff3:ed55
143.243.237.86 0:0:0:0:0:ffff:8ff3:ed56
143.243.237.87 0:0:0:0:0:ffff:8ff3:ed57
143.243.237.88 0:0:0:0:0:ffff:8ff3:ed58
143.243.237.89 0:0:0:0:0:ffff:8ff3:ed59
143.243.237.90 0:0:0:0:0:ffff:8ff3:ed5a
143.243.237.91 0:0:0:0:0:ffff:8ff3:ed5b
143.243.237.92 0:0:0:0:0:ffff:8ff3:ed5c
143.243.237.93 0:0:0:0:0:ffff:8ff3:ed5d
143.243.237.94 0:0:0:0:0:ffff:8ff3:ed5e
143.243.237.95 0:0:0:0:0:ffff:8ff3:ed5f
143.243.237.96 0:0:0:0:0:ffff:8ff3:ed60
143.243.237.97 0:0:0:0:0:ffff:8ff3:ed61
143.243.237.98 0:0:0:0:0:ffff:8ff3:ed62
143.243.237.99 0:0:0:0:0:ffff:8ff3:ed63
143.243.237.100 0:0:0:0:0:ffff:8ff3:ed64
143.243.237.101 0:0:0:0:0:ffff:8ff3:ed65
143.243.237.102 0:0:0:0:0:ffff:8ff3:ed66
143.243.237.103 0:0:0:0:0:ffff:8ff3:ed67
143.243.237.104 0:0:0:0:0:ffff:8ff3:ed68
143.243.237.105 0:0:0:0:0:ffff:8ff3:ed69
143.243.237.106 0:0:0:0:0:ffff:8ff3:ed6a
143.243.237.107 0:0:0:0:0:ffff:8ff3:ed6b
143.243.237.108 0:0:0:0:0:ffff:8ff3:ed6c
143.243.237.109 0:0:0:0:0:ffff:8ff3:ed6d
143.243.237.110 0:0:0:0:0:ffff:8ff3:ed6e
143.243.237.111 0:0:0:0:0:ffff:8ff3:ed6f
143.243.237.112 0:0:0:0:0:ffff:8ff3:ed70
143.243.237.113 0:0:0:0:0:ffff:8ff3:ed71
143.243.237.114 0:0:0:0:0:ffff:8ff3:ed72
143.243.237.115 0:0:0:0:0:ffff:8ff3:ed73
143.243.237.116 0:0:0:0:0:ffff:8ff3:ed74
143.243.237.117 0:0:0:0:0:ffff:8ff3:ed75
143.243.237.118 0:0:0:0:0:ffff:8ff3:ed76
143.243.237.119 0:0:0:0:0:ffff:8ff3:ed77
143.243.237.120 0:0:0:0:0:ffff:8ff3:ed78


143.243.237.121 0:0:0:0:0:ffff:8ff3:ed79
143.243.237.122 0:0:0:0:0:ffff:8ff3:ed7a
143.243.237.123 0:0:0:0:0:ffff:8ff3:ed7b
143.243.237.124 0:0:0:0:0:ffff:8ff3:ed7c
143.243.237.125 0:0:0:0:0:ffff:8ff3:ed7d
143.243.237.126 0:0:0:0:0:ffff:8ff3:ed7e
143.243.237.127 0:0:0:0:0:ffff:8ff3:ed7f
143.243.237.128 0:0:0:0:0:ffff:8ff3:ed80
143.243.237.129 0:0:0:0:0:ffff:8ff3:ed81
143.243.237.130 0:0:0:0:0:ffff:8ff3:ed82
143.243.237.131 0:0:0:0:0:ffff:8ff3:ed83
143.243.237.132 0:0:0:0:0:ffff:8ff3:ed84
143.243.237.133 0:0:0:0:0:ffff:8ff3:ed85
143.243.237.134 0:0:0:0:0:ffff:8ff3:ed86
143.243.237.135 0:0:0:0:0:ffff:8ff3:ed87
143.243.237.136 0:0:0:0:0:ffff:8ff3:ed88
143.243.237.137 0:0:0:0:0:ffff:8ff3:ed89
143.243.237.138 0:0:0:0:0:ffff:8ff3:ed8a
143.243.237.139 0:0:0:0:0:ffff:8ff3:ed8b
143.243.237.140 0:0:0:0:0:ffff:8ff3:ed8c
143.243.237.141 0:0:0:0:0:ffff:8ff3:ed8d
143.243.237.142 0:0:0:0:0:ffff:8ff3:ed8e
143.243.237.143 0:0:0:0:0:ffff:8ff3:ed8f
143.243.237.144 0:0:0:0:0:ffff:8ff3:ed90
143.243.237.145 0:0:0:0:0:ffff:8ff3:ed91
143.243.237.146 0:0:0:0:0:ffff:8ff3:ed92
143.243.237.147 0:0:0:0:0:ffff:8ff3:ed93
143.243.237.148 0:0:0:0:0:ffff:8ff3:ed94
143.243.237.149 0:0:0:0:0:ffff:8ff3:ed95
143.243.237.150 0:0:0:0:0:ffff:8ff3:ed96
143.243.237.151 0:0:0:0:0:ffff:8ff3:ed97
143.243.237.152 0:0:0:0:0:ffff:8ff3:ed98
143.243.237.153 0:0:0:0:0:ffff:8ff3:ed99
143.243.237.154 0:0:0:0:0:ffff:8ff3:ed9a
143.243.237.155 0:0:0:0:0:ffff:8ff3:ed9b
143.243.237.156 0:0:0:0:0:ffff:8ff3:ed9c
143.243.237.157 0:0:0:0:0:ffff:8ff3:ed9d
143.243.237.158 0:0:0:0:0:ffff:8ff3:ed9e
143.243.237.159 0:0:0:0:0:ffff:8ff3:ed9f
143.243.237.160 0:0:0:0:0:ffff:8ff3:eda0
143.243.237.161 0:0:0:0:0:ffff:8ff3:eda1
143.243.237.162 0:0:0:0:0:ffff:8ff3:eda2
143.243.237.163 0:0:0:0:0:ffff:8ff3:eda3
143.243.237.164 0:0:0:0:0:ffff:8ff3:eda4
143.243.237.165 0:0:0:0:0:ffff:8ff3:eda5
143.243.237.166 0:0:0:0:0:ffff:8ff3:eda6
143.243.237.167 0:0:0:0:0:ffff:8ff3:eda7
143.243.237.168 0:0:0:0:0:ffff:8ff3:eda8
143.243.237.169 0:0:0:0:0:ffff:8ff3:eda9
143.243.237.170 0:0:0:0:0:ffff:8ff3:edaa
143.243.237.171 0:0:0:0:0:ffff:8ff3:edab
143.243.237.172 0:0:0:0:0:ffff:8ff3:edac
143.243.237.173 0:0:0:0:0:ffff:8ff3:edad
143.243.237.174 0:0:0:0:0:ffff:8ff3:edae
143.243.237.175 0:0:0:0:0:ffff:8ff3:edaf
143.243.237.176 0:0:0:0:0:ffff:8ff3:edb0
143.243.237.177 0:0:0:0:0:ffff:8ff3:edb1
143.243.237.178 0:0:0:0:0:ffff:8ff3:edb2
143.243.237.179 0:0:0:0:0:ffff:8ff3:edb3
143.243.237.180 0:0:0:0:0:ffff:8ff3:edb4


143.243.237.181 0:0:0:0:0:ffff:8ff3:edb5
143.243.237.182 0:0:0:0:0:ffff:8ff3:edb6
143.243.237.183 0:0:0:0:0:ffff:8ff3:edb7
143.243.237.184 0:0:0:0:0:ffff:8ff3:edb8
143.243.237.185 0:0:0:0:0:ffff:8ff3:edb9
143.243.237.186 0:0:0:0:0:ffff:8ff3:edba
143.243.237.187 0:0:0:0:0:ffff:8ff3:edbb
143.243.237.188 0:0:0:0:0:ffff:8ff3:edbc
143.243.237.189 0:0:0:0:0:ffff:8ff3:edbd
143.243.237.190 0:0:0:0:0:ffff:8ff3:edbe
143.243.237.191 0:0:0:0:0:ffff:8ff3:edbf
143.243.237.192 0:0:0:0:0:ffff:8ff3:edc0
143.243.237.193 0:0:0:0:0:ffff:8ff3:edc1
143.243.237.194 0:0:0:0:0:ffff:8ff3:edc2
143.243.237.195 0:0:0:0:0:ffff:8ff3:edc3
143.243.237.196 0:0:0:0:0:ffff:8ff3:edc4
143.243.237.197 0:0:0:0:0:ffff:8ff3:edc5
143.243.237.198 0:0:0:0:0:ffff:8ff3:edc6
143.243.237.199 0:0:0:0:0:ffff:8ff3:edc7
143.243.237.200 0:0:0:0:0:ffff:8ff3:edc8
143.243.237.201 0:0:0:0:0:ffff:8ff3:edc9
143.243.237.202 0:0:0:0:0:ffff:8ff3:edca
143.243.237.203 0:0:0:0:0:ffff:8ff3:edcb
143.243.237.204 0:0:0:0:0:ffff:8ff3:edcc
143.243.237.205 0:0:0:0:0:ffff:8ff3:edcd
143.243.237.206 0:0:0:0:0:ffff:8ff3:edce
143.243.237.207 0:0:0:0:0:ffff:8ff3:edcf
143.243.237.208 0:0:0:0:0:ffff:8ff3:edd0
143.243.237.209 0:0:0:0:0:ffff:8ff3:edd1
143.243.237.210 0:0:0:0:0:ffff:8ff3:edd2
143.243.237.211 0:0:0:0:0:ffff:8ff3:edd3
143.243.237.212 0:0:0:0:0:ffff:8ff3:edd4
143.243.237.213 0:0:0:0:0:ffff:8ff3:edd5
143.243.237.214 0:0:0:0:0:ffff:8ff3:edd6
143.243.237.215 0:0:0:0:0:ffff:8ff3:edd7
143.243.237.216 0:0:0:0:0:ffff:8ff3:edd8
143.243.237.217 0:0:0:0:0:ffff:8ff3:edd9
143.243.237.218 0:0:0:0:0:ffff:8ff3:edda
143.243.237.219 0:0:0:0:0:ffff:8ff3:eddb
143.243.237.220 0:0:0:0:0:ffff:8ff3:eddc
143.243.237.221 0:0:0:0:0:ffff:8ff3:eddd
143.243.237.222 0:0:0:0:0:ffff:8ff3:edde
143.243.237.223 0:0:0:0:0:ffff:8ff3:eddf
143.243.237.224 0:0:0:0:0:ffff:8ff3:ede0
143.243.237.225 0:0:0:0:0:ffff:8ff3:ede1
143.243.237.226 0:0:0:0:0:ffff:8ff3:ede2
143.243.237.227 0:0:0:0:0:ffff:8ff3:ede3
143.243.237.228 0:0:0:0:0:ffff:8ff3:ede4
143.243.237.229 0:0:0:0:0:ffff:8ff3:ede5
143.243.237.230 0:0:0:0:0:ffff:8ff3:ede6
143.243.237.231 0:0:0:0:0:ffff:8ff3:ede7
143.243.237.232 0:0:0:0:0:ffff:8ff3:ede8
143.243.237.233 0:0:0:0:0:ffff:8ff3:ede9
143.243.237.234 0:0:0:0:0:ffff:8ff3:edea
143.243.237.235 0:0:0:0:0:ffff:8ff3:edeb
143.243.237.236 0:0:0:0:0:ffff:8ff3:edec
143.243.237.237 0:0:0:0:0:ffff:8ff3:eded
143.243.237.238 0:0:0:0:0:ffff:8ff3:edee
143.243.237.239 0:0:0:0:0:ffff:8ff3:edef
143.243.237.240 0:0:0:0:0:ffff:8ff3:edf0
143.243.237.241 0:0:0:0:0:ffff:8ff3:edf1
143.243.237.242 0:0:0:0:0:ffff:8ff3:edf2
143.243.237.243 0:0:0:0:0:ffff:8ff3:edf3
143.243.237.244 0:0:0:0:0:ffff:8ff3:edf4
143.243.237.245 0:0:0:0:0:ffff:8ff3:edf5
143.243.237.246 0:0:0:0:0:ffff:8ff3:edf6
143.243.237.247 0:0:0:0:0:ffff:8ff3:edf7
143.243.237.248 0:0:0:0:0:ffff:8ff3:edf8
143.243.237.249 0:0:0:0:0:ffff:8ff3:edf9
143.243.237.250 0:0:0:0:0:ffff:8ff3:edfa
143.243.237.251 0:0:0:0:0:ffff:8ff3:edfb
143.243.237.252 0:0:0:0:0:ffff:8ff3:edfc
143.243.237.253 0:0:0:0:0:ffff:8ff3:edfd
143.243.237.254 0:0:0:0:0:ffff:8ff3:edfe
143.243.237.255 0:0:0:0:0:ffff:8ff3:edff


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.