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
143.243.187.1 0:0:0:0:0:ffff:8ff3:bb01
143.243.187.2 0:0:0:0:0:ffff:8ff3:bb02
143.243.187.3 0:0:0:0:0:ffff:8ff3:bb03
143.243.187.4 0:0:0:0:0:ffff:8ff3:bb04
143.243.187.5 0:0:0:0:0:ffff:8ff3:bb05
143.243.187.6 0:0:0:0:0:ffff:8ff3:bb06
143.243.187.7 0:0:0:0:0:ffff:8ff3:bb07
143.243.187.8 0:0:0:0:0:ffff:8ff3:bb08
143.243.187.9 0:0:0:0:0:ffff:8ff3:bb09
143.243.187.10 0:0:0:0:0:ffff:8ff3:bb0a
143.243.187.11 0:0:0:0:0:ffff:8ff3:bb0b
143.243.187.12 0:0:0:0:0:ffff:8ff3:bb0c
143.243.187.13 0:0:0:0:0:ffff:8ff3:bb0d
143.243.187.14 0:0:0:0:0:ffff:8ff3:bb0e
143.243.187.15 0:0:0:0:0:ffff:8ff3:bb0f
143.243.187.16 0:0:0:0:0:ffff:8ff3:bb10
143.243.187.17 0:0:0:0:0:ffff:8ff3:bb11
143.243.187.18 0:0:0:0:0:ffff:8ff3:bb12
143.243.187.19 0:0:0:0:0:ffff:8ff3:bb13
143.243.187.20 0:0:0:0:0:ffff:8ff3:bb14
143.243.187.21 0:0:0:0:0:ffff:8ff3:bb15
143.243.187.22 0:0:0:0:0:ffff:8ff3:bb16
143.243.187.23 0:0:0:0:0:ffff:8ff3:bb17
143.243.187.24 0:0:0:0:0:ffff:8ff3:bb18
143.243.187.25 0:0:0:0:0:ffff:8ff3:bb19
143.243.187.26 0:0:0:0:0:ffff:8ff3:bb1a
143.243.187.27 0:0:0:0:0:ffff:8ff3:bb1b
143.243.187.28 0:0:0:0:0:ffff:8ff3:bb1c
143.243.187.29 0:0:0:0:0:ffff:8ff3:bb1d
143.243.187.30 0:0:0:0:0:ffff:8ff3:bb1e
143.243.187.31 0:0:0:0:0:ffff:8ff3:bb1f
143.243.187.32 0:0:0:0:0:ffff:8ff3:bb20
143.243.187.33 0:0:0:0:0:ffff:8ff3:bb21
143.243.187.34 0:0:0:0:0:ffff:8ff3:bb22
143.243.187.35 0:0:0:0:0:ffff:8ff3:bb23
143.243.187.36 0:0:0:0:0:ffff:8ff3:bb24
143.243.187.37 0:0:0:0:0:ffff:8ff3:bb25
143.243.187.38 0:0:0:0:0:ffff:8ff3:bb26
143.243.187.39 0:0:0:0:0:ffff:8ff3:bb27
143.243.187.40 0:0:0:0:0:ffff:8ff3:bb28
143.243.187.41 0:0:0:0:0:ffff:8ff3:bb29
143.243.187.42 0:0:0:0:0:ffff:8ff3:bb2a
143.243.187.43 0:0:0:0:0:ffff:8ff3:bb2b
143.243.187.44 0:0:0:0:0:ffff:8ff3:bb2c
143.243.187.45 0:0:0:0:0:ffff:8ff3:bb2d
143.243.187.46 0:0:0:0:0:ffff:8ff3:bb2e
143.243.187.47 0:0:0:0:0:ffff:8ff3:bb2f
143.243.187.48 0:0:0:0:0:ffff:8ff3:bb30
143.243.187.49 0:0:0:0:0:ffff:8ff3:bb31
143.243.187.50 0:0:0:0:0:ffff:8ff3:bb32
143.243.187.51 0:0:0:0:0:ffff:8ff3:bb33
143.243.187.52 0:0:0:0:0:ffff:8ff3:bb34
143.243.187.53 0:0:0:0:0:ffff:8ff3:bb35
143.243.187.54 0:0:0:0:0:ffff:8ff3:bb36
143.243.187.55 0:0:0:0:0:ffff:8ff3:bb37
143.243.187.56 0:0:0:0:0:ffff:8ff3:bb38
143.243.187.57 0:0:0:0:0:ffff:8ff3:bb39
143.243.187.58 0:0:0:0:0:ffff:8ff3:bb3a
143.243.187.59 0:0:0:0:0:ffff:8ff3:bb3b
143.243.187.60 0:0:0:0:0:ffff:8ff3:bb3c


143.243.187.61 0:0:0:0:0:ffff:8ff3:bb3d
143.243.187.62 0:0:0:0:0:ffff:8ff3:bb3e
143.243.187.63 0:0:0:0:0:ffff:8ff3:bb3f
143.243.187.64 0:0:0:0:0:ffff:8ff3:bb40
143.243.187.65 0:0:0:0:0:ffff:8ff3:bb41
143.243.187.66 0:0:0:0:0:ffff:8ff3:bb42
143.243.187.67 0:0:0:0:0:ffff:8ff3:bb43
143.243.187.68 0:0:0:0:0:ffff:8ff3:bb44
143.243.187.69 0:0:0:0:0:ffff:8ff3:bb45
143.243.187.70 0:0:0:0:0:ffff:8ff3:bb46
143.243.187.71 0:0:0:0:0:ffff:8ff3:bb47
143.243.187.72 0:0:0:0:0:ffff:8ff3:bb48
143.243.187.73 0:0:0:0:0:ffff:8ff3:bb49
143.243.187.74 0:0:0:0:0:ffff:8ff3:bb4a
143.243.187.75 0:0:0:0:0:ffff:8ff3:bb4b
143.243.187.76 0:0:0:0:0:ffff:8ff3:bb4c
143.243.187.77 0:0:0:0:0:ffff:8ff3:bb4d
143.243.187.78 0:0:0:0:0:ffff:8ff3:bb4e
143.243.187.79 0:0:0:0:0:ffff:8ff3:bb4f
143.243.187.80 0:0:0:0:0:ffff:8ff3:bb50
143.243.187.81 0:0:0:0:0:ffff:8ff3:bb51
143.243.187.82 0:0:0:0:0:ffff:8ff3:bb52
143.243.187.83 0:0:0:0:0:ffff:8ff3:bb53
143.243.187.84 0:0:0:0:0:ffff:8ff3:bb54
143.243.187.85 0:0:0:0:0:ffff:8ff3:bb55
143.243.187.86 0:0:0:0:0:ffff:8ff3:bb56
143.243.187.87 0:0:0:0:0:ffff:8ff3:bb57
143.243.187.88 0:0:0:0:0:ffff:8ff3:bb58
143.243.187.89 0:0:0:0:0:ffff:8ff3:bb59
143.243.187.90 0:0:0:0:0:ffff:8ff3:bb5a
143.243.187.91 0:0:0:0:0:ffff:8ff3:bb5b
143.243.187.92 0:0:0:0:0:ffff:8ff3:bb5c
143.243.187.93 0:0:0:0:0:ffff:8ff3:bb5d
143.243.187.94 0:0:0:0:0:ffff:8ff3:bb5e
143.243.187.95 0:0:0:0:0:ffff:8ff3:bb5f
143.243.187.96 0:0:0:0:0:ffff:8ff3:bb60
143.243.187.97 0:0:0:0:0:ffff:8ff3:bb61
143.243.187.98 0:0:0:0:0:ffff:8ff3:bb62
143.243.187.99 0:0:0:0:0:ffff:8ff3:bb63
143.243.187.100 0:0:0:0:0:ffff:8ff3:bb64
143.243.187.101 0:0:0:0:0:ffff:8ff3:bb65
143.243.187.102 0:0:0:0:0:ffff:8ff3:bb66
143.243.187.103 0:0:0:0:0:ffff:8ff3:bb67
143.243.187.104 0:0:0:0:0:ffff:8ff3:bb68
143.243.187.105 0:0:0:0:0:ffff:8ff3:bb69
143.243.187.106 0:0:0:0:0:ffff:8ff3:bb6a
143.243.187.107 0:0:0:0:0:ffff:8ff3:bb6b
143.243.187.108 0:0:0:0:0:ffff:8ff3:bb6c
143.243.187.109 0:0:0:0:0:ffff:8ff3:bb6d
143.243.187.110 0:0:0:0:0:ffff:8ff3:bb6e
143.243.187.111 0:0:0:0:0:ffff:8ff3:bb6f
143.243.187.112 0:0:0:0:0:ffff:8ff3:bb70
143.243.187.113 0:0:0:0:0:ffff:8ff3:bb71
143.243.187.114 0:0:0:0:0:ffff:8ff3:bb72
143.243.187.115 0:0:0:0:0:ffff:8ff3:bb73
143.243.187.116 0:0:0:0:0:ffff:8ff3:bb74
143.243.187.117 0:0:0:0:0:ffff:8ff3:bb75
143.243.187.118 0:0:0:0:0:ffff:8ff3:bb76
143.243.187.119 0:0:0:0:0:ffff:8ff3:bb77
143.243.187.120 0:0:0:0:0:ffff:8ff3:bb78


143.243.187.121 0:0:0:0:0:ffff:8ff3:bb79
143.243.187.122 0:0:0:0:0:ffff:8ff3:bb7a
143.243.187.123 0:0:0:0:0:ffff:8ff3:bb7b
143.243.187.124 0:0:0:0:0:ffff:8ff3:bb7c
143.243.187.125 0:0:0:0:0:ffff:8ff3:bb7d
143.243.187.126 0:0:0:0:0:ffff:8ff3:bb7e
143.243.187.127 0:0:0:0:0:ffff:8ff3:bb7f
143.243.187.128 0:0:0:0:0:ffff:8ff3:bb80
143.243.187.129 0:0:0:0:0:ffff:8ff3:bb81
143.243.187.130 0:0:0:0:0:ffff:8ff3:bb82
143.243.187.131 0:0:0:0:0:ffff:8ff3:bb83
143.243.187.132 0:0:0:0:0:ffff:8ff3:bb84
143.243.187.133 0:0:0:0:0:ffff:8ff3:bb85
143.243.187.134 0:0:0:0:0:ffff:8ff3:bb86
143.243.187.135 0:0:0:0:0:ffff:8ff3:bb87
143.243.187.136 0:0:0:0:0:ffff:8ff3:bb88
143.243.187.137 0:0:0:0:0:ffff:8ff3:bb89
143.243.187.138 0:0:0:0:0:ffff:8ff3:bb8a
143.243.187.139 0:0:0:0:0:ffff:8ff3:bb8b
143.243.187.140 0:0:0:0:0:ffff:8ff3:bb8c
143.243.187.141 0:0:0:0:0:ffff:8ff3:bb8d
143.243.187.142 0:0:0:0:0:ffff:8ff3:bb8e
143.243.187.143 0:0:0:0:0:ffff:8ff3:bb8f
143.243.187.144 0:0:0:0:0:ffff:8ff3:bb90
143.243.187.145 0:0:0:0:0:ffff:8ff3:bb91
143.243.187.146 0:0:0:0:0:ffff:8ff3:bb92
143.243.187.147 0:0:0:0:0:ffff:8ff3:bb93
143.243.187.148 0:0:0:0:0:ffff:8ff3:bb94
143.243.187.149 0:0:0:0:0:ffff:8ff3:bb95
143.243.187.150 0:0:0:0:0:ffff:8ff3:bb96
143.243.187.151 0:0:0:0:0:ffff:8ff3:bb97
143.243.187.152 0:0:0:0:0:ffff:8ff3:bb98
143.243.187.153 0:0:0:0:0:ffff:8ff3:bb99
143.243.187.154 0:0:0:0:0:ffff:8ff3:bb9a
143.243.187.155 0:0:0:0:0:ffff:8ff3:bb9b
143.243.187.156 0:0:0:0:0:ffff:8ff3:bb9c
143.243.187.157 0:0:0:0:0:ffff:8ff3:bb9d
143.243.187.158 0:0:0:0:0:ffff:8ff3:bb9e
143.243.187.159 0:0:0:0:0:ffff:8ff3:bb9f
143.243.187.160 0:0:0:0:0:ffff:8ff3:bba0
143.243.187.161 0:0:0:0:0:ffff:8ff3:bba1
143.243.187.162 0:0:0:0:0:ffff:8ff3:bba2
143.243.187.163 0:0:0:0:0:ffff:8ff3:bba3
143.243.187.164 0:0:0:0:0:ffff:8ff3:bba4
143.243.187.165 0:0:0:0:0:ffff:8ff3:bba5
143.243.187.166 0:0:0:0:0:ffff:8ff3:bba6
143.243.187.167 0:0:0:0:0:ffff:8ff3:bba7
143.243.187.168 0:0:0:0:0:ffff:8ff3:bba8
143.243.187.169 0:0:0:0:0:ffff:8ff3:bba9
143.243.187.170 0:0:0:0:0:ffff:8ff3:bbaa
143.243.187.171 0:0:0:0:0:ffff:8ff3:bbab
143.243.187.172 0:0:0:0:0:ffff:8ff3:bbac
143.243.187.173 0:0:0:0:0:ffff:8ff3:bbad
143.243.187.174 0:0:0:0:0:ffff:8ff3:bbae
143.243.187.175 0:0:0:0:0:ffff:8ff3:bbaf
143.243.187.176 0:0:0:0:0:ffff:8ff3:bbb0
143.243.187.177 0:0:0:0:0:ffff:8ff3:bbb1
143.243.187.178 0:0:0:0:0:ffff:8ff3:bbb2
143.243.187.179 0:0:0:0:0:ffff:8ff3:bbb3
143.243.187.180 0:0:0:0:0:ffff:8ff3:bbb4


143.243.187.181 0:0:0:0:0:ffff:8ff3:bbb5
143.243.187.182 0:0:0:0:0:ffff:8ff3:bbb6
143.243.187.183 0:0:0:0:0:ffff:8ff3:bbb7
143.243.187.184 0:0:0:0:0:ffff:8ff3:bbb8
143.243.187.185 0:0:0:0:0:ffff:8ff3:bbb9
143.243.187.186 0:0:0:0:0:ffff:8ff3:bbba
143.243.187.187 0:0:0:0:0:ffff:8ff3:bbbb
143.243.187.188 0:0:0:0:0:ffff:8ff3:bbbc
143.243.187.189 0:0:0:0:0:ffff:8ff3:bbbd
143.243.187.190 0:0:0:0:0:ffff:8ff3:bbbe
143.243.187.191 0:0:0:0:0:ffff:8ff3:bbbf
143.243.187.192 0:0:0:0:0:ffff:8ff3:bbc0
143.243.187.193 0:0:0:0:0:ffff:8ff3:bbc1
143.243.187.194 0:0:0:0:0:ffff:8ff3:bbc2
143.243.187.195 0:0:0:0:0:ffff:8ff3:bbc3
143.243.187.196 0:0:0:0:0:ffff:8ff3:bbc4
143.243.187.197 0:0:0:0:0:ffff:8ff3:bbc5
143.243.187.198 0:0:0:0:0:ffff:8ff3:bbc6
143.243.187.199 0:0:0:0:0:ffff:8ff3:bbc7
143.243.187.200 0:0:0:0:0:ffff:8ff3:bbc8
143.243.187.201 0:0:0:0:0:ffff:8ff3:bbc9
143.243.187.202 0:0:0:0:0:ffff:8ff3:bbca
143.243.187.203 0:0:0:0:0:ffff:8ff3:bbcb
143.243.187.204 0:0:0:0:0:ffff:8ff3:bbcc
143.243.187.205 0:0:0:0:0:ffff:8ff3:bbcd
143.243.187.206 0:0:0:0:0:ffff:8ff3:bbce
143.243.187.207 0:0:0:0:0:ffff:8ff3:bbcf
143.243.187.208 0:0:0:0:0:ffff:8ff3:bbd0
143.243.187.209 0:0:0:0:0:ffff:8ff3:bbd1
143.243.187.210 0:0:0:0:0:ffff:8ff3:bbd2
143.243.187.211 0:0:0:0:0:ffff:8ff3:bbd3
143.243.187.212 0:0:0:0:0:ffff:8ff3:bbd4
143.243.187.213 0:0:0:0:0:ffff:8ff3:bbd5
143.243.187.214 0:0:0:0:0:ffff:8ff3:bbd6
143.243.187.215 0:0:0:0:0:ffff:8ff3:bbd7
143.243.187.216 0:0:0:0:0:ffff:8ff3:bbd8
143.243.187.217 0:0:0:0:0:ffff:8ff3:bbd9
143.243.187.218 0:0:0:0:0:ffff:8ff3:bbda
143.243.187.219 0:0:0:0:0:ffff:8ff3:bbdb
143.243.187.220 0:0:0:0:0:ffff:8ff3:bbdc
143.243.187.221 0:0:0:0:0:ffff:8ff3:bbdd
143.243.187.222 0:0:0:0:0:ffff:8ff3:bbde
143.243.187.223 0:0:0:0:0:ffff:8ff3:bbdf
143.243.187.224 0:0:0:0:0:ffff:8ff3:bbe0
143.243.187.225 0:0:0:0:0:ffff:8ff3:bbe1
143.243.187.226 0:0:0:0:0:ffff:8ff3:bbe2
143.243.187.227 0:0:0:0:0:ffff:8ff3:bbe3
143.243.187.228 0:0:0:0:0:ffff:8ff3:bbe4
143.243.187.229 0:0:0:0:0:ffff:8ff3:bbe5
143.243.187.230 0:0:0:0:0:ffff:8ff3:bbe6
143.243.187.231 0:0:0:0:0:ffff:8ff3:bbe7
143.243.187.232 0:0:0:0:0:ffff:8ff3:bbe8
143.243.187.233 0:0:0:0:0:ffff:8ff3:bbe9
143.243.187.234 0:0:0:0:0:ffff:8ff3:bbea
143.243.187.235 0:0:0:0:0:ffff:8ff3:bbeb
143.243.187.236 0:0:0:0:0:ffff:8ff3:bbec
143.243.187.237 0:0:0:0:0:ffff:8ff3:bbed
143.243.187.238 0:0:0:0:0:ffff:8ff3:bbee
143.243.187.239 0:0:0:0:0:ffff:8ff3:bbef
143.243.187.240 0:0:0:0:0:ffff:8ff3:bbf0
143.243.187.241 0:0:0:0:0:ffff:8ff3:bbf1
143.243.187.242 0:0:0:0:0:ffff:8ff3:bbf2
143.243.187.243 0:0:0:0:0:ffff:8ff3:bbf3
143.243.187.244 0:0:0:0:0:ffff:8ff3:bbf4
143.243.187.245 0:0:0:0:0:ffff:8ff3:bbf5
143.243.187.246 0:0:0:0:0:ffff:8ff3:bbf6
143.243.187.247 0:0:0:0:0:ffff:8ff3:bbf7
143.243.187.248 0:0:0:0:0:ffff:8ff3:bbf8
143.243.187.249 0:0:0:0:0:ffff:8ff3:bbf9
143.243.187.250 0:0:0:0:0:ffff:8ff3:bbfa
143.243.187.251 0:0:0:0:0:ffff:8ff3:bbfb
143.243.187.252 0:0:0:0:0:ffff:8ff3:bbfc
143.243.187.253 0:0:0:0:0:ffff:8ff3:bbfd
143.243.187.254 0:0:0:0:0:ffff:8ff3:bbfe
143.243.187.255 0:0:0:0:0:ffff:8ff3:bbff


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.