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
143.243.204.1 0:0:0:0:0:ffff:8ff3:cc01
143.243.204.2 0:0:0:0:0:ffff:8ff3:cc02
143.243.204.3 0:0:0:0:0:ffff:8ff3:cc03
143.243.204.4 0:0:0:0:0:ffff:8ff3:cc04
143.243.204.5 0:0:0:0:0:ffff:8ff3:cc05
143.243.204.6 0:0:0:0:0:ffff:8ff3:cc06
143.243.204.7 0:0:0:0:0:ffff:8ff3:cc07
143.243.204.8 0:0:0:0:0:ffff:8ff3:cc08
143.243.204.9 0:0:0:0:0:ffff:8ff3:cc09
143.243.204.10 0:0:0:0:0:ffff:8ff3:cc0a
143.243.204.11 0:0:0:0:0:ffff:8ff3:cc0b
143.243.204.12 0:0:0:0:0:ffff:8ff3:cc0c
143.243.204.13 0:0:0:0:0:ffff:8ff3:cc0d
143.243.204.14 0:0:0:0:0:ffff:8ff3:cc0e
143.243.204.15 0:0:0:0:0:ffff:8ff3:cc0f
143.243.204.16 0:0:0:0:0:ffff:8ff3:cc10
143.243.204.17 0:0:0:0:0:ffff:8ff3:cc11
143.243.204.18 0:0:0:0:0:ffff:8ff3:cc12
143.243.204.19 0:0:0:0:0:ffff:8ff3:cc13
143.243.204.20 0:0:0:0:0:ffff:8ff3:cc14
143.243.204.21 0:0:0:0:0:ffff:8ff3:cc15
143.243.204.22 0:0:0:0:0:ffff:8ff3:cc16
143.243.204.23 0:0:0:0:0:ffff:8ff3:cc17
143.243.204.24 0:0:0:0:0:ffff:8ff3:cc18
143.243.204.25 0:0:0:0:0:ffff:8ff3:cc19
143.243.204.26 0:0:0:0:0:ffff:8ff3:cc1a
143.243.204.27 0:0:0:0:0:ffff:8ff3:cc1b
143.243.204.28 0:0:0:0:0:ffff:8ff3:cc1c
143.243.204.29 0:0:0:0:0:ffff:8ff3:cc1d
143.243.204.30 0:0:0:0:0:ffff:8ff3:cc1e
143.243.204.31 0:0:0:0:0:ffff:8ff3:cc1f
143.243.204.32 0:0:0:0:0:ffff:8ff3:cc20
143.243.204.33 0:0:0:0:0:ffff:8ff3:cc21
143.243.204.34 0:0:0:0:0:ffff:8ff3:cc22
143.243.204.35 0:0:0:0:0:ffff:8ff3:cc23
143.243.204.36 0:0:0:0:0:ffff:8ff3:cc24
143.243.204.37 0:0:0:0:0:ffff:8ff3:cc25
143.243.204.38 0:0:0:0:0:ffff:8ff3:cc26
143.243.204.39 0:0:0:0:0:ffff:8ff3:cc27
143.243.204.40 0:0:0:0:0:ffff:8ff3:cc28
143.243.204.41 0:0:0:0:0:ffff:8ff3:cc29
143.243.204.42 0:0:0:0:0:ffff:8ff3:cc2a
143.243.204.43 0:0:0:0:0:ffff:8ff3:cc2b
143.243.204.44 0:0:0:0:0:ffff:8ff3:cc2c
143.243.204.45 0:0:0:0:0:ffff:8ff3:cc2d
143.243.204.46 0:0:0:0:0:ffff:8ff3:cc2e
143.243.204.47 0:0:0:0:0:ffff:8ff3:cc2f
143.243.204.48 0:0:0:0:0:ffff:8ff3:cc30
143.243.204.49 0:0:0:0:0:ffff:8ff3:cc31
143.243.204.50 0:0:0:0:0:ffff:8ff3:cc32
143.243.204.51 0:0:0:0:0:ffff:8ff3:cc33
143.243.204.52 0:0:0:0:0:ffff:8ff3:cc34
143.243.204.53 0:0:0:0:0:ffff:8ff3:cc35
143.243.204.54 0:0:0:0:0:ffff:8ff3:cc36
143.243.204.55 0:0:0:0:0:ffff:8ff3:cc37
143.243.204.56 0:0:0:0:0:ffff:8ff3:cc38
143.243.204.57 0:0:0:0:0:ffff:8ff3:cc39
143.243.204.58 0:0:0:0:0:ffff:8ff3:cc3a
143.243.204.59 0:0:0:0:0:ffff:8ff3:cc3b
143.243.204.60 0:0:0:0:0:ffff:8ff3:cc3c


143.243.204.61 0:0:0:0:0:ffff:8ff3:cc3d
143.243.204.62 0:0:0:0:0:ffff:8ff3:cc3e
143.243.204.63 0:0:0:0:0:ffff:8ff3:cc3f
143.243.204.64 0:0:0:0:0:ffff:8ff3:cc40
143.243.204.65 0:0:0:0:0:ffff:8ff3:cc41
143.243.204.66 0:0:0:0:0:ffff:8ff3:cc42
143.243.204.67 0:0:0:0:0:ffff:8ff3:cc43
143.243.204.68 0:0:0:0:0:ffff:8ff3:cc44
143.243.204.69 0:0:0:0:0:ffff:8ff3:cc45
143.243.204.70 0:0:0:0:0:ffff:8ff3:cc46
143.243.204.71 0:0:0:0:0:ffff:8ff3:cc47
143.243.204.72 0:0:0:0:0:ffff:8ff3:cc48
143.243.204.73 0:0:0:0:0:ffff:8ff3:cc49
143.243.204.74 0:0:0:0:0:ffff:8ff3:cc4a
143.243.204.75 0:0:0:0:0:ffff:8ff3:cc4b
143.243.204.76 0:0:0:0:0:ffff:8ff3:cc4c
143.243.204.77 0:0:0:0:0:ffff:8ff3:cc4d
143.243.204.78 0:0:0:0:0:ffff:8ff3:cc4e
143.243.204.79 0:0:0:0:0:ffff:8ff3:cc4f
143.243.204.80 0:0:0:0:0:ffff:8ff3:cc50
143.243.204.81 0:0:0:0:0:ffff:8ff3:cc51
143.243.204.82 0:0:0:0:0:ffff:8ff3:cc52
143.243.204.83 0:0:0:0:0:ffff:8ff3:cc53
143.243.204.84 0:0:0:0:0:ffff:8ff3:cc54
143.243.204.85 0:0:0:0:0:ffff:8ff3:cc55
143.243.204.86 0:0:0:0:0:ffff:8ff3:cc56
143.243.204.87 0:0:0:0:0:ffff:8ff3:cc57
143.243.204.88 0:0:0:0:0:ffff:8ff3:cc58
143.243.204.89 0:0:0:0:0:ffff:8ff3:cc59
143.243.204.90 0:0:0:0:0:ffff:8ff3:cc5a
143.243.204.91 0:0:0:0:0:ffff:8ff3:cc5b
143.243.204.92 0:0:0:0:0:ffff:8ff3:cc5c
143.243.204.93 0:0:0:0:0:ffff:8ff3:cc5d
143.243.204.94 0:0:0:0:0:ffff:8ff3:cc5e
143.243.204.95 0:0:0:0:0:ffff:8ff3:cc5f
143.243.204.96 0:0:0:0:0:ffff:8ff3:cc60
143.243.204.97 0:0:0:0:0:ffff:8ff3:cc61
143.243.204.98 0:0:0:0:0:ffff:8ff3:cc62
143.243.204.99 0:0:0:0:0:ffff:8ff3:cc63
143.243.204.100 0:0:0:0:0:ffff:8ff3:cc64
143.243.204.101 0:0:0:0:0:ffff:8ff3:cc65
143.243.204.102 0:0:0:0:0:ffff:8ff3:cc66
143.243.204.103 0:0:0:0:0:ffff:8ff3:cc67
143.243.204.104 0:0:0:0:0:ffff:8ff3:cc68
143.243.204.105 0:0:0:0:0:ffff:8ff3:cc69
143.243.204.106 0:0:0:0:0:ffff:8ff3:cc6a
143.243.204.107 0:0:0:0:0:ffff:8ff3:cc6b
143.243.204.108 0:0:0:0:0:ffff:8ff3:cc6c
143.243.204.109 0:0:0:0:0:ffff:8ff3:cc6d
143.243.204.110 0:0:0:0:0:ffff:8ff3:cc6e
143.243.204.111 0:0:0:0:0:ffff:8ff3:cc6f
143.243.204.112 0:0:0:0:0:ffff:8ff3:cc70
143.243.204.113 0:0:0:0:0:ffff:8ff3:cc71
143.243.204.114 0:0:0:0:0:ffff:8ff3:cc72
143.243.204.115 0:0:0:0:0:ffff:8ff3:cc73
143.243.204.116 0:0:0:0:0:ffff:8ff3:cc74
143.243.204.117 0:0:0:0:0:ffff:8ff3:cc75
143.243.204.118 0:0:0:0:0:ffff:8ff3:cc76
143.243.204.119 0:0:0:0:0:ffff:8ff3:cc77
143.243.204.120 0:0:0:0:0:ffff:8ff3:cc78


143.243.204.121 0:0:0:0:0:ffff:8ff3:cc79
143.243.204.122 0:0:0:0:0:ffff:8ff3:cc7a
143.243.204.123 0:0:0:0:0:ffff:8ff3:cc7b
143.243.204.124 0:0:0:0:0:ffff:8ff3:cc7c
143.243.204.125 0:0:0:0:0:ffff:8ff3:cc7d
143.243.204.126 0:0:0:0:0:ffff:8ff3:cc7e
143.243.204.127 0:0:0:0:0:ffff:8ff3:cc7f
143.243.204.128 0:0:0:0:0:ffff:8ff3:cc80
143.243.204.129 0:0:0:0:0:ffff:8ff3:cc81
143.243.204.130 0:0:0:0:0:ffff:8ff3:cc82
143.243.204.131 0:0:0:0:0:ffff:8ff3:cc83
143.243.204.132 0:0:0:0:0:ffff:8ff3:cc84
143.243.204.133 0:0:0:0:0:ffff:8ff3:cc85
143.243.204.134 0:0:0:0:0:ffff:8ff3:cc86
143.243.204.135 0:0:0:0:0:ffff:8ff3:cc87
143.243.204.136 0:0:0:0:0:ffff:8ff3:cc88
143.243.204.137 0:0:0:0:0:ffff:8ff3:cc89
143.243.204.138 0:0:0:0:0:ffff:8ff3:cc8a
143.243.204.139 0:0:0:0:0:ffff:8ff3:cc8b
143.243.204.140 0:0:0:0:0:ffff:8ff3:cc8c
143.243.204.141 0:0:0:0:0:ffff:8ff3:cc8d
143.243.204.142 0:0:0:0:0:ffff:8ff3:cc8e
143.243.204.143 0:0:0:0:0:ffff:8ff3:cc8f
143.243.204.144 0:0:0:0:0:ffff:8ff3:cc90
143.243.204.145 0:0:0:0:0:ffff:8ff3:cc91
143.243.204.146 0:0:0:0:0:ffff:8ff3:cc92
143.243.204.147 0:0:0:0:0:ffff:8ff3:cc93
143.243.204.148 0:0:0:0:0:ffff:8ff3:cc94
143.243.204.149 0:0:0:0:0:ffff:8ff3:cc95
143.243.204.150 0:0:0:0:0:ffff:8ff3:cc96
143.243.204.151 0:0:0:0:0:ffff:8ff3:cc97
143.243.204.152 0:0:0:0:0:ffff:8ff3:cc98
143.243.204.153 0:0:0:0:0:ffff:8ff3:cc99
143.243.204.154 0:0:0:0:0:ffff:8ff3:cc9a
143.243.204.155 0:0:0:0:0:ffff:8ff3:cc9b
143.243.204.156 0:0:0:0:0:ffff:8ff3:cc9c
143.243.204.157 0:0:0:0:0:ffff:8ff3:cc9d
143.243.204.158 0:0:0:0:0:ffff:8ff3:cc9e
143.243.204.159 0:0:0:0:0:ffff:8ff3:cc9f
143.243.204.160 0:0:0:0:0:ffff:8ff3:cca0
143.243.204.161 0:0:0:0:0:ffff:8ff3:cca1
143.243.204.162 0:0:0:0:0:ffff:8ff3:cca2
143.243.204.163 0:0:0:0:0:ffff:8ff3:cca3
143.243.204.164 0:0:0:0:0:ffff:8ff3:cca4
143.243.204.165 0:0:0:0:0:ffff:8ff3:cca5
143.243.204.166 0:0:0:0:0:ffff:8ff3:cca6
143.243.204.167 0:0:0:0:0:ffff:8ff3:cca7
143.243.204.168 0:0:0:0:0:ffff:8ff3:cca8
143.243.204.169 0:0:0:0:0:ffff:8ff3:cca9
143.243.204.170 0:0:0:0:0:ffff:8ff3:ccaa
143.243.204.171 0:0:0:0:0:ffff:8ff3:ccab
143.243.204.172 0:0:0:0:0:ffff:8ff3:ccac
143.243.204.173 0:0:0:0:0:ffff:8ff3:ccad
143.243.204.174 0:0:0:0:0:ffff:8ff3:ccae
143.243.204.175 0:0:0:0:0:ffff:8ff3:ccaf
143.243.204.176 0:0:0:0:0:ffff:8ff3:ccb0
143.243.204.177 0:0:0:0:0:ffff:8ff3:ccb1
143.243.204.178 0:0:0:0:0:ffff:8ff3:ccb2
143.243.204.179 0:0:0:0:0:ffff:8ff3:ccb3
143.243.204.180 0:0:0:0:0:ffff:8ff3:ccb4


143.243.204.181 0:0:0:0:0:ffff:8ff3:ccb5
143.243.204.182 0:0:0:0:0:ffff:8ff3:ccb6
143.243.204.183 0:0:0:0:0:ffff:8ff3:ccb7
143.243.204.184 0:0:0:0:0:ffff:8ff3:ccb8
143.243.204.185 0:0:0:0:0:ffff:8ff3:ccb9
143.243.204.186 0:0:0:0:0:ffff:8ff3:ccba
143.243.204.187 0:0:0:0:0:ffff:8ff3:ccbb
143.243.204.188 0:0:0:0:0:ffff:8ff3:ccbc
143.243.204.189 0:0:0:0:0:ffff:8ff3:ccbd
143.243.204.190 0:0:0:0:0:ffff:8ff3:ccbe
143.243.204.191 0:0:0:0:0:ffff:8ff3:ccbf
143.243.204.192 0:0:0:0:0:ffff:8ff3:ccc0
143.243.204.193 0:0:0:0:0:ffff:8ff3:ccc1
143.243.204.194 0:0:0:0:0:ffff:8ff3:ccc2
143.243.204.195 0:0:0:0:0:ffff:8ff3:ccc3
143.243.204.196 0:0:0:0:0:ffff:8ff3:ccc4
143.243.204.197 0:0:0:0:0:ffff:8ff3:ccc5
143.243.204.198 0:0:0:0:0:ffff:8ff3:ccc6
143.243.204.199 0:0:0:0:0:ffff:8ff3:ccc7
143.243.204.200 0:0:0:0:0:ffff:8ff3:ccc8
143.243.204.201 0:0:0:0:0:ffff:8ff3:ccc9
143.243.204.202 0:0:0:0:0:ffff:8ff3:ccca
143.243.204.203 0:0:0:0:0:ffff:8ff3:cccb
143.243.204.204 0:0:0:0:0:ffff:8ff3:cccc
143.243.204.205 0:0:0:0:0:ffff:8ff3:cccd
143.243.204.206 0:0:0:0:0:ffff:8ff3:ccce
143.243.204.207 0:0:0:0:0:ffff:8ff3:cccf
143.243.204.208 0:0:0:0:0:ffff:8ff3:ccd0
143.243.204.209 0:0:0:0:0:ffff:8ff3:ccd1
143.243.204.210 0:0:0:0:0:ffff:8ff3:ccd2
143.243.204.211 0:0:0:0:0:ffff:8ff3:ccd3
143.243.204.212 0:0:0:0:0:ffff:8ff3:ccd4
143.243.204.213 0:0:0:0:0:ffff:8ff3:ccd5
143.243.204.214 0:0:0:0:0:ffff:8ff3:ccd6
143.243.204.215 0:0:0:0:0:ffff:8ff3:ccd7
143.243.204.216 0:0:0:0:0:ffff:8ff3:ccd8
143.243.204.217 0:0:0:0:0:ffff:8ff3:ccd9
143.243.204.218 0:0:0:0:0:ffff:8ff3:ccda
143.243.204.219 0:0:0:0:0:ffff:8ff3:ccdb
143.243.204.220 0:0:0:0:0:ffff:8ff3:ccdc
143.243.204.221 0:0:0:0:0:ffff:8ff3:ccdd
143.243.204.222 0:0:0:0:0:ffff:8ff3:ccde
143.243.204.223 0:0:0:0:0:ffff:8ff3:ccdf
143.243.204.224 0:0:0:0:0:ffff:8ff3:cce0
143.243.204.225 0:0:0:0:0:ffff:8ff3:cce1
143.243.204.226 0:0:0:0:0:ffff:8ff3:cce2
143.243.204.227 0:0:0:0:0:ffff:8ff3:cce3
143.243.204.228 0:0:0:0:0:ffff:8ff3:cce4
143.243.204.229 0:0:0:0:0:ffff:8ff3:cce5
143.243.204.230 0:0:0:0:0:ffff:8ff3:cce6
143.243.204.231 0:0:0:0:0:ffff:8ff3:cce7
143.243.204.232 0:0:0:0:0:ffff:8ff3:cce8
143.243.204.233 0:0:0:0:0:ffff:8ff3:cce9
143.243.204.234 0:0:0:0:0:ffff:8ff3:ccea
143.243.204.235 0:0:0:0:0:ffff:8ff3:cceb
143.243.204.236 0:0:0:0:0:ffff:8ff3:ccec
143.243.204.237 0:0:0:0:0:ffff:8ff3:cced
143.243.204.238 0:0:0:0:0:ffff:8ff3:ccee
143.243.204.239 0:0:0:0:0:ffff:8ff3:ccef
143.243.204.240 0:0:0:0:0:ffff:8ff3:ccf0
143.243.204.241 0:0:0:0:0:ffff:8ff3:ccf1
143.243.204.242 0:0:0:0:0:ffff:8ff3:ccf2
143.243.204.243 0:0:0:0:0:ffff:8ff3:ccf3
143.243.204.244 0:0:0:0:0:ffff:8ff3:ccf4
143.243.204.245 0:0:0:0:0:ffff:8ff3:ccf5
143.243.204.246 0:0:0:0:0:ffff:8ff3:ccf6
143.243.204.247 0:0:0:0:0:ffff:8ff3:ccf7
143.243.204.248 0:0:0:0:0:ffff:8ff3:ccf8
143.243.204.249 0:0:0:0:0:ffff:8ff3:ccf9
143.243.204.250 0:0:0:0:0:ffff:8ff3:ccfa
143.243.204.251 0:0:0:0:0:ffff:8ff3:ccfb
143.243.204.252 0:0:0:0:0:ffff:8ff3:ccfc
143.243.204.253 0:0:0:0:0:ffff:8ff3:ccfd
143.243.204.254 0:0:0:0:0:ffff:8ff3:ccfe
143.243.204.255 0:0:0:0:0:ffff:8ff3:ccff


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.