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
111.72.203.1 0:0:0:0:0:ffff:6f48:cb01
111.72.203.2 0:0:0:0:0:ffff:6f48:cb02
111.72.203.3 0:0:0:0:0:ffff:6f48:cb03
111.72.203.4 0:0:0:0:0:ffff:6f48:cb04
111.72.203.5 0:0:0:0:0:ffff:6f48:cb05
111.72.203.6 0:0:0:0:0:ffff:6f48:cb06
111.72.203.7 0:0:0:0:0:ffff:6f48:cb07
111.72.203.8 0:0:0:0:0:ffff:6f48:cb08
111.72.203.9 0:0:0:0:0:ffff:6f48:cb09
111.72.203.10 0:0:0:0:0:ffff:6f48:cb0a
111.72.203.11 0:0:0:0:0:ffff:6f48:cb0b
111.72.203.12 0:0:0:0:0:ffff:6f48:cb0c
111.72.203.13 0:0:0:0:0:ffff:6f48:cb0d
111.72.203.14 0:0:0:0:0:ffff:6f48:cb0e
111.72.203.15 0:0:0:0:0:ffff:6f48:cb0f
111.72.203.16 0:0:0:0:0:ffff:6f48:cb10
111.72.203.17 0:0:0:0:0:ffff:6f48:cb11
111.72.203.18 0:0:0:0:0:ffff:6f48:cb12
111.72.203.19 0:0:0:0:0:ffff:6f48:cb13
111.72.203.20 0:0:0:0:0:ffff:6f48:cb14
111.72.203.21 0:0:0:0:0:ffff:6f48:cb15
111.72.203.22 0:0:0:0:0:ffff:6f48:cb16
111.72.203.23 0:0:0:0:0:ffff:6f48:cb17
111.72.203.24 0:0:0:0:0:ffff:6f48:cb18
111.72.203.25 0:0:0:0:0:ffff:6f48:cb19
111.72.203.26 0:0:0:0:0:ffff:6f48:cb1a
111.72.203.27 0:0:0:0:0:ffff:6f48:cb1b
111.72.203.28 0:0:0:0:0:ffff:6f48:cb1c
111.72.203.29 0:0:0:0:0:ffff:6f48:cb1d
111.72.203.30 0:0:0:0:0:ffff:6f48:cb1e
111.72.203.31 0:0:0:0:0:ffff:6f48:cb1f
111.72.203.32 0:0:0:0:0:ffff:6f48:cb20
111.72.203.33 0:0:0:0:0:ffff:6f48:cb21
111.72.203.34 0:0:0:0:0:ffff:6f48:cb22
111.72.203.35 0:0:0:0:0:ffff:6f48:cb23
111.72.203.36 0:0:0:0:0:ffff:6f48:cb24
111.72.203.37 0:0:0:0:0:ffff:6f48:cb25
111.72.203.38 0:0:0:0:0:ffff:6f48:cb26
111.72.203.39 0:0:0:0:0:ffff:6f48:cb27
111.72.203.40 0:0:0:0:0:ffff:6f48:cb28
111.72.203.41 0:0:0:0:0:ffff:6f48:cb29
111.72.203.42 0:0:0:0:0:ffff:6f48:cb2a
111.72.203.43 0:0:0:0:0:ffff:6f48:cb2b
111.72.203.44 0:0:0:0:0:ffff:6f48:cb2c
111.72.203.45 0:0:0:0:0:ffff:6f48:cb2d
111.72.203.46 0:0:0:0:0:ffff:6f48:cb2e
111.72.203.47 0:0:0:0:0:ffff:6f48:cb2f
111.72.203.48 0:0:0:0:0:ffff:6f48:cb30
111.72.203.49 0:0:0:0:0:ffff:6f48:cb31
111.72.203.50 0:0:0:0:0:ffff:6f48:cb32
111.72.203.51 0:0:0:0:0:ffff:6f48:cb33
111.72.203.52 0:0:0:0:0:ffff:6f48:cb34
111.72.203.53 0:0:0:0:0:ffff:6f48:cb35
111.72.203.54 0:0:0:0:0:ffff:6f48:cb36
111.72.203.55 0:0:0:0:0:ffff:6f48:cb37
111.72.203.56 0:0:0:0:0:ffff:6f48:cb38
111.72.203.57 0:0:0:0:0:ffff:6f48:cb39
111.72.203.58 0:0:0:0:0:ffff:6f48:cb3a
111.72.203.59 0:0:0:0:0:ffff:6f48:cb3b
111.72.203.60 0:0:0:0:0:ffff:6f48:cb3c


111.72.203.61 0:0:0:0:0:ffff:6f48:cb3d
111.72.203.62 0:0:0:0:0:ffff:6f48:cb3e
111.72.203.63 0:0:0:0:0:ffff:6f48:cb3f
111.72.203.64 0:0:0:0:0:ffff:6f48:cb40
111.72.203.65 0:0:0:0:0:ffff:6f48:cb41
111.72.203.66 0:0:0:0:0:ffff:6f48:cb42
111.72.203.67 0:0:0:0:0:ffff:6f48:cb43
111.72.203.68 0:0:0:0:0:ffff:6f48:cb44
111.72.203.69 0:0:0:0:0:ffff:6f48:cb45
111.72.203.70 0:0:0:0:0:ffff:6f48:cb46
111.72.203.71 0:0:0:0:0:ffff:6f48:cb47
111.72.203.72 0:0:0:0:0:ffff:6f48:cb48
111.72.203.73 0:0:0:0:0:ffff:6f48:cb49
111.72.203.74 0:0:0:0:0:ffff:6f48:cb4a
111.72.203.75 0:0:0:0:0:ffff:6f48:cb4b
111.72.203.76 0:0:0:0:0:ffff:6f48:cb4c
111.72.203.77 0:0:0:0:0:ffff:6f48:cb4d
111.72.203.78 0:0:0:0:0:ffff:6f48:cb4e
111.72.203.79 0:0:0:0:0:ffff:6f48:cb4f
111.72.203.80 0:0:0:0:0:ffff:6f48:cb50
111.72.203.81 0:0:0:0:0:ffff:6f48:cb51
111.72.203.82 0:0:0:0:0:ffff:6f48:cb52
111.72.203.83 0:0:0:0:0:ffff:6f48:cb53
111.72.203.84 0:0:0:0:0:ffff:6f48:cb54
111.72.203.85 0:0:0:0:0:ffff:6f48:cb55
111.72.203.86 0:0:0:0:0:ffff:6f48:cb56
111.72.203.87 0:0:0:0:0:ffff:6f48:cb57
111.72.203.88 0:0:0:0:0:ffff:6f48:cb58
111.72.203.89 0:0:0:0:0:ffff:6f48:cb59
111.72.203.90 0:0:0:0:0:ffff:6f48:cb5a
111.72.203.91 0:0:0:0:0:ffff:6f48:cb5b
111.72.203.92 0:0:0:0:0:ffff:6f48:cb5c
111.72.203.93 0:0:0:0:0:ffff:6f48:cb5d
111.72.203.94 0:0:0:0:0:ffff:6f48:cb5e
111.72.203.95 0:0:0:0:0:ffff:6f48:cb5f
111.72.203.96 0:0:0:0:0:ffff:6f48:cb60
111.72.203.97 0:0:0:0:0:ffff:6f48:cb61
111.72.203.98 0:0:0:0:0:ffff:6f48:cb62
111.72.203.99 0:0:0:0:0:ffff:6f48:cb63
111.72.203.100 0:0:0:0:0:ffff:6f48:cb64
111.72.203.101 0:0:0:0:0:ffff:6f48:cb65
111.72.203.102 0:0:0:0:0:ffff:6f48:cb66
111.72.203.103 0:0:0:0:0:ffff:6f48:cb67
111.72.203.104 0:0:0:0:0:ffff:6f48:cb68
111.72.203.105 0:0:0:0:0:ffff:6f48:cb69
111.72.203.106 0:0:0:0:0:ffff:6f48:cb6a
111.72.203.107 0:0:0:0:0:ffff:6f48:cb6b
111.72.203.108 0:0:0:0:0:ffff:6f48:cb6c
111.72.203.109 0:0:0:0:0:ffff:6f48:cb6d
111.72.203.110 0:0:0:0:0:ffff:6f48:cb6e
111.72.203.111 0:0:0:0:0:ffff:6f48:cb6f
111.72.203.112 0:0:0:0:0:ffff:6f48:cb70
111.72.203.113 0:0:0:0:0:ffff:6f48:cb71
111.72.203.114 0:0:0:0:0:ffff:6f48:cb72
111.72.203.115 0:0:0:0:0:ffff:6f48:cb73
111.72.203.116 0:0:0:0:0:ffff:6f48:cb74
111.72.203.117 0:0:0:0:0:ffff:6f48:cb75
111.72.203.118 0:0:0:0:0:ffff:6f48:cb76
111.72.203.119 0:0:0:0:0:ffff:6f48:cb77
111.72.203.120 0:0:0:0:0:ffff:6f48:cb78


111.72.203.121 0:0:0:0:0:ffff:6f48:cb79
111.72.203.122 0:0:0:0:0:ffff:6f48:cb7a
111.72.203.123 0:0:0:0:0:ffff:6f48:cb7b
111.72.203.124 0:0:0:0:0:ffff:6f48:cb7c
111.72.203.125 0:0:0:0:0:ffff:6f48:cb7d
111.72.203.126 0:0:0:0:0:ffff:6f48:cb7e
111.72.203.127 0:0:0:0:0:ffff:6f48:cb7f
111.72.203.128 0:0:0:0:0:ffff:6f48:cb80
111.72.203.129 0:0:0:0:0:ffff:6f48:cb81
111.72.203.130 0:0:0:0:0:ffff:6f48:cb82
111.72.203.131 0:0:0:0:0:ffff:6f48:cb83
111.72.203.132 0:0:0:0:0:ffff:6f48:cb84
111.72.203.133 0:0:0:0:0:ffff:6f48:cb85
111.72.203.134 0:0:0:0:0:ffff:6f48:cb86
111.72.203.135 0:0:0:0:0:ffff:6f48:cb87
111.72.203.136 0:0:0:0:0:ffff:6f48:cb88
111.72.203.137 0:0:0:0:0:ffff:6f48:cb89
111.72.203.138 0:0:0:0:0:ffff:6f48:cb8a
111.72.203.139 0:0:0:0:0:ffff:6f48:cb8b
111.72.203.140 0:0:0:0:0:ffff:6f48:cb8c
111.72.203.141 0:0:0:0:0:ffff:6f48:cb8d
111.72.203.142 0:0:0:0:0:ffff:6f48:cb8e
111.72.203.143 0:0:0:0:0:ffff:6f48:cb8f
111.72.203.144 0:0:0:0:0:ffff:6f48:cb90
111.72.203.145 0:0:0:0:0:ffff:6f48:cb91
111.72.203.146 0:0:0:0:0:ffff:6f48:cb92
111.72.203.147 0:0:0:0:0:ffff:6f48:cb93
111.72.203.148 0:0:0:0:0:ffff:6f48:cb94
111.72.203.149 0:0:0:0:0:ffff:6f48:cb95
111.72.203.150 0:0:0:0:0:ffff:6f48:cb96
111.72.203.151 0:0:0:0:0:ffff:6f48:cb97
111.72.203.152 0:0:0:0:0:ffff:6f48:cb98
111.72.203.153 0:0:0:0:0:ffff:6f48:cb99
111.72.203.154 0:0:0:0:0:ffff:6f48:cb9a
111.72.203.155 0:0:0:0:0:ffff:6f48:cb9b
111.72.203.156 0:0:0:0:0:ffff:6f48:cb9c
111.72.203.157 0:0:0:0:0:ffff:6f48:cb9d
111.72.203.158 0:0:0:0:0:ffff:6f48:cb9e
111.72.203.159 0:0:0:0:0:ffff:6f48:cb9f
111.72.203.160 0:0:0:0:0:ffff:6f48:cba0
111.72.203.161 0:0:0:0:0:ffff:6f48:cba1
111.72.203.162 0:0:0:0:0:ffff:6f48:cba2
111.72.203.163 0:0:0:0:0:ffff:6f48:cba3
111.72.203.164 0:0:0:0:0:ffff:6f48:cba4
111.72.203.165 0:0:0:0:0:ffff:6f48:cba5
111.72.203.166 0:0:0:0:0:ffff:6f48:cba6
111.72.203.167 0:0:0:0:0:ffff:6f48:cba7
111.72.203.168 0:0:0:0:0:ffff:6f48:cba8
111.72.203.169 0:0:0:0:0:ffff:6f48:cba9
111.72.203.170 0:0:0:0:0:ffff:6f48:cbaa
111.72.203.171 0:0:0:0:0:ffff:6f48:cbab
111.72.203.172 0:0:0:0:0:ffff:6f48:cbac
111.72.203.173 0:0:0:0:0:ffff:6f48:cbad
111.72.203.174 0:0:0:0:0:ffff:6f48:cbae
111.72.203.175 0:0:0:0:0:ffff:6f48:cbaf
111.72.203.176 0:0:0:0:0:ffff:6f48:cbb0
111.72.203.177 0:0:0:0:0:ffff:6f48:cbb1
111.72.203.178 0:0:0:0:0:ffff:6f48:cbb2
111.72.203.179 0:0:0:0:0:ffff:6f48:cbb3
111.72.203.180 0:0:0:0:0:ffff:6f48:cbb4


111.72.203.181 0:0:0:0:0:ffff:6f48:cbb5
111.72.203.182 0:0:0:0:0:ffff:6f48:cbb6
111.72.203.183 0:0:0:0:0:ffff:6f48:cbb7
111.72.203.184 0:0:0:0:0:ffff:6f48:cbb8
111.72.203.185 0:0:0:0:0:ffff:6f48:cbb9
111.72.203.186 0:0:0:0:0:ffff:6f48:cbba
111.72.203.187 0:0:0:0:0:ffff:6f48:cbbb
111.72.203.188 0:0:0:0:0:ffff:6f48:cbbc
111.72.203.189 0:0:0:0:0:ffff:6f48:cbbd
111.72.203.190 0:0:0:0:0:ffff:6f48:cbbe
111.72.203.191 0:0:0:0:0:ffff:6f48:cbbf
111.72.203.192 0:0:0:0:0:ffff:6f48:cbc0
111.72.203.193 0:0:0:0:0:ffff:6f48:cbc1
111.72.203.194 0:0:0:0:0:ffff:6f48:cbc2
111.72.203.195 0:0:0:0:0:ffff:6f48:cbc3
111.72.203.196 0:0:0:0:0:ffff:6f48:cbc4
111.72.203.197 0:0:0:0:0:ffff:6f48:cbc5
111.72.203.198 0:0:0:0:0:ffff:6f48:cbc6
111.72.203.199 0:0:0:0:0:ffff:6f48:cbc7
111.72.203.200 0:0:0:0:0:ffff:6f48:cbc8
111.72.203.201 0:0:0:0:0:ffff:6f48:cbc9
111.72.203.202 0:0:0:0:0:ffff:6f48:cbca
111.72.203.203 0:0:0:0:0:ffff:6f48:cbcb
111.72.203.204 0:0:0:0:0:ffff:6f48:cbcc
111.72.203.205 0:0:0:0:0:ffff:6f48:cbcd
111.72.203.206 0:0:0:0:0:ffff:6f48:cbce
111.72.203.207 0:0:0:0:0:ffff:6f48:cbcf
111.72.203.208 0:0:0:0:0:ffff:6f48:cbd0
111.72.203.209 0:0:0:0:0:ffff:6f48:cbd1
111.72.203.210 0:0:0:0:0:ffff:6f48:cbd2
111.72.203.211 0:0:0:0:0:ffff:6f48:cbd3
111.72.203.212 0:0:0:0:0:ffff:6f48:cbd4
111.72.203.213 0:0:0:0:0:ffff:6f48:cbd5
111.72.203.214 0:0:0:0:0:ffff:6f48:cbd6
111.72.203.215 0:0:0:0:0:ffff:6f48:cbd7
111.72.203.216 0:0:0:0:0:ffff:6f48:cbd8
111.72.203.217 0:0:0:0:0:ffff:6f48:cbd9
111.72.203.218 0:0:0:0:0:ffff:6f48:cbda
111.72.203.219 0:0:0:0:0:ffff:6f48:cbdb
111.72.203.220 0:0:0:0:0:ffff:6f48:cbdc
111.72.203.221 0:0:0:0:0:ffff:6f48:cbdd
111.72.203.222 0:0:0:0:0:ffff:6f48:cbde
111.72.203.223 0:0:0:0:0:ffff:6f48:cbdf
111.72.203.224 0:0:0:0:0:ffff:6f48:cbe0
111.72.203.225 0:0:0:0:0:ffff:6f48:cbe1
111.72.203.226 0:0:0:0:0:ffff:6f48:cbe2
111.72.203.227 0:0:0:0:0:ffff:6f48:cbe3
111.72.203.228 0:0:0:0:0:ffff:6f48:cbe4
111.72.203.229 0:0:0:0:0:ffff:6f48:cbe5
111.72.203.230 0:0:0:0:0:ffff:6f48:cbe6
111.72.203.231 0:0:0:0:0:ffff:6f48:cbe7
111.72.203.232 0:0:0:0:0:ffff:6f48:cbe8
111.72.203.233 0:0:0:0:0:ffff:6f48:cbe9
111.72.203.234 0:0:0:0:0:ffff:6f48:cbea
111.72.203.235 0:0:0:0:0:ffff:6f48:cbeb
111.72.203.236 0:0:0:0:0:ffff:6f48:cbec
111.72.203.237 0:0:0:0:0:ffff:6f48:cbed
111.72.203.238 0:0:0:0:0:ffff:6f48:cbee
111.72.203.239 0:0:0:0:0:ffff:6f48:cbef
111.72.203.240 0:0:0:0:0:ffff:6f48:cbf0
111.72.203.241 0:0:0:0:0:ffff:6f48:cbf1
111.72.203.242 0:0:0:0:0:ffff:6f48:cbf2
111.72.203.243 0:0:0:0:0:ffff:6f48:cbf3
111.72.203.244 0:0:0:0:0:ffff:6f48:cbf4
111.72.203.245 0:0:0:0:0:ffff:6f48:cbf5
111.72.203.246 0:0:0:0:0:ffff:6f48:cbf6
111.72.203.247 0:0:0:0:0:ffff:6f48:cbf7
111.72.203.248 0:0:0:0:0:ffff:6f48:cbf8
111.72.203.249 0:0:0:0:0:ffff:6f48:cbf9
111.72.203.250 0:0:0:0:0:ffff:6f48:cbfa
111.72.203.251 0:0:0:0:0:ffff:6f48:cbfb
111.72.203.252 0:0:0:0:0:ffff:6f48:cbfc
111.72.203.253 0:0:0:0:0:ffff:6f48:cbfd
111.72.203.254 0:0:0:0:0:ffff:6f48:cbfe
111.72.203.255 0:0:0:0:0:ffff:6f48:cbff


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.