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
111.243.128.1 0:0:0:0:0:ffff:6ff3:8001
111.243.128.2 0:0:0:0:0:ffff:6ff3:8002
111.243.128.3 0:0:0:0:0:ffff:6ff3:8003
111.243.128.4 0:0:0:0:0:ffff:6ff3:8004
111.243.128.5 0:0:0:0:0:ffff:6ff3:8005
111.243.128.6 0:0:0:0:0:ffff:6ff3:8006
111.243.128.7 0:0:0:0:0:ffff:6ff3:8007
111.243.128.8 0:0:0:0:0:ffff:6ff3:8008
111.243.128.9 0:0:0:0:0:ffff:6ff3:8009
111.243.128.10 0:0:0:0:0:ffff:6ff3:800a
111.243.128.11 0:0:0:0:0:ffff:6ff3:800b
111.243.128.12 0:0:0:0:0:ffff:6ff3:800c
111.243.128.13 0:0:0:0:0:ffff:6ff3:800d
111.243.128.14 0:0:0:0:0:ffff:6ff3:800e
111.243.128.15 0:0:0:0:0:ffff:6ff3:800f
111.243.128.16 0:0:0:0:0:ffff:6ff3:8010
111.243.128.17 0:0:0:0:0:ffff:6ff3:8011
111.243.128.18 0:0:0:0:0:ffff:6ff3:8012
111.243.128.19 0:0:0:0:0:ffff:6ff3:8013
111.243.128.20 0:0:0:0:0:ffff:6ff3:8014
111.243.128.21 0:0:0:0:0:ffff:6ff3:8015
111.243.128.22 0:0:0:0:0:ffff:6ff3:8016
111.243.128.23 0:0:0:0:0:ffff:6ff3:8017
111.243.128.24 0:0:0:0:0:ffff:6ff3:8018
111.243.128.25 0:0:0:0:0:ffff:6ff3:8019
111.243.128.26 0:0:0:0:0:ffff:6ff3:801a
111.243.128.27 0:0:0:0:0:ffff:6ff3:801b
111.243.128.28 0:0:0:0:0:ffff:6ff3:801c
111.243.128.29 0:0:0:0:0:ffff:6ff3:801d
111.243.128.30 0:0:0:0:0:ffff:6ff3:801e
111.243.128.31 0:0:0:0:0:ffff:6ff3:801f
111.243.128.32 0:0:0:0:0:ffff:6ff3:8020
111.243.128.33 0:0:0:0:0:ffff:6ff3:8021
111.243.128.34 0:0:0:0:0:ffff:6ff3:8022
111.243.128.35 0:0:0:0:0:ffff:6ff3:8023
111.243.128.36 0:0:0:0:0:ffff:6ff3:8024
111.243.128.37 0:0:0:0:0:ffff:6ff3:8025
111.243.128.38 0:0:0:0:0:ffff:6ff3:8026
111.243.128.39 0:0:0:0:0:ffff:6ff3:8027
111.243.128.40 0:0:0:0:0:ffff:6ff3:8028
111.243.128.41 0:0:0:0:0:ffff:6ff3:8029
111.243.128.42 0:0:0:0:0:ffff:6ff3:802a
111.243.128.43 0:0:0:0:0:ffff:6ff3:802b
111.243.128.44 0:0:0:0:0:ffff:6ff3:802c
111.243.128.45 0:0:0:0:0:ffff:6ff3:802d
111.243.128.46 0:0:0:0:0:ffff:6ff3:802e
111.243.128.47 0:0:0:0:0:ffff:6ff3:802f
111.243.128.48 0:0:0:0:0:ffff:6ff3:8030
111.243.128.49 0:0:0:0:0:ffff:6ff3:8031
111.243.128.50 0:0:0:0:0:ffff:6ff3:8032
111.243.128.51 0:0:0:0:0:ffff:6ff3:8033
111.243.128.52 0:0:0:0:0:ffff:6ff3:8034
111.243.128.53 0:0:0:0:0:ffff:6ff3:8035
111.243.128.54 0:0:0:0:0:ffff:6ff3:8036
111.243.128.55 0:0:0:0:0:ffff:6ff3:8037
111.243.128.56 0:0:0:0:0:ffff:6ff3:8038
111.243.128.57 0:0:0:0:0:ffff:6ff3:8039
111.243.128.58 0:0:0:0:0:ffff:6ff3:803a
111.243.128.59 0:0:0:0:0:ffff:6ff3:803b
111.243.128.60 0:0:0:0:0:ffff:6ff3:803c


111.243.128.61 0:0:0:0:0:ffff:6ff3:803d
111.243.128.62 0:0:0:0:0:ffff:6ff3:803e
111.243.128.63 0:0:0:0:0:ffff:6ff3:803f
111.243.128.64 0:0:0:0:0:ffff:6ff3:8040
111.243.128.65 0:0:0:0:0:ffff:6ff3:8041
111.243.128.66 0:0:0:0:0:ffff:6ff3:8042
111.243.128.67 0:0:0:0:0:ffff:6ff3:8043
111.243.128.68 0:0:0:0:0:ffff:6ff3:8044
111.243.128.69 0:0:0:0:0:ffff:6ff3:8045
111.243.128.70 0:0:0:0:0:ffff:6ff3:8046
111.243.128.71 0:0:0:0:0:ffff:6ff3:8047
111.243.128.72 0:0:0:0:0:ffff:6ff3:8048
111.243.128.73 0:0:0:0:0:ffff:6ff3:8049
111.243.128.74 0:0:0:0:0:ffff:6ff3:804a
111.243.128.75 0:0:0:0:0:ffff:6ff3:804b
111.243.128.76 0:0:0:0:0:ffff:6ff3:804c
111.243.128.77 0:0:0:0:0:ffff:6ff3:804d
111.243.128.78 0:0:0:0:0:ffff:6ff3:804e
111.243.128.79 0:0:0:0:0:ffff:6ff3:804f
111.243.128.80 0:0:0:0:0:ffff:6ff3:8050
111.243.128.81 0:0:0:0:0:ffff:6ff3:8051
111.243.128.82 0:0:0:0:0:ffff:6ff3:8052
111.243.128.83 0:0:0:0:0:ffff:6ff3:8053
111.243.128.84 0:0:0:0:0:ffff:6ff3:8054
111.243.128.85 0:0:0:0:0:ffff:6ff3:8055
111.243.128.86 0:0:0:0:0:ffff:6ff3:8056
111.243.128.87 0:0:0:0:0:ffff:6ff3:8057
111.243.128.88 0:0:0:0:0:ffff:6ff3:8058
111.243.128.89 0:0:0:0:0:ffff:6ff3:8059
111.243.128.90 0:0:0:0:0:ffff:6ff3:805a
111.243.128.91 0:0:0:0:0:ffff:6ff3:805b
111.243.128.92 0:0:0:0:0:ffff:6ff3:805c
111.243.128.93 0:0:0:0:0:ffff:6ff3:805d
111.243.128.94 0:0:0:0:0:ffff:6ff3:805e
111.243.128.95 0:0:0:0:0:ffff:6ff3:805f
111.243.128.96 0:0:0:0:0:ffff:6ff3:8060
111.243.128.97 0:0:0:0:0:ffff:6ff3:8061
111.243.128.98 0:0:0:0:0:ffff:6ff3:8062
111.243.128.99 0:0:0:0:0:ffff:6ff3:8063
111.243.128.100 0:0:0:0:0:ffff:6ff3:8064
111.243.128.101 0:0:0:0:0:ffff:6ff3:8065
111.243.128.102 0:0:0:0:0:ffff:6ff3:8066
111.243.128.103 0:0:0:0:0:ffff:6ff3:8067
111.243.128.104 0:0:0:0:0:ffff:6ff3:8068
111.243.128.105 0:0:0:0:0:ffff:6ff3:8069
111.243.128.106 0:0:0:0:0:ffff:6ff3:806a
111.243.128.107 0:0:0:0:0:ffff:6ff3:806b
111.243.128.108 0:0:0:0:0:ffff:6ff3:806c
111.243.128.109 0:0:0:0:0:ffff:6ff3:806d
111.243.128.110 0:0:0:0:0:ffff:6ff3:806e
111.243.128.111 0:0:0:0:0:ffff:6ff3:806f
111.243.128.112 0:0:0:0:0:ffff:6ff3:8070
111.243.128.113 0:0:0:0:0:ffff:6ff3:8071
111.243.128.114 0:0:0:0:0:ffff:6ff3:8072
111.243.128.115 0:0:0:0:0:ffff:6ff3:8073
111.243.128.116 0:0:0:0:0:ffff:6ff3:8074
111.243.128.117 0:0:0:0:0:ffff:6ff3:8075
111.243.128.118 0:0:0:0:0:ffff:6ff3:8076
111.243.128.119 0:0:0:0:0:ffff:6ff3:8077
111.243.128.120 0:0:0:0:0:ffff:6ff3:8078


111.243.128.121 0:0:0:0:0:ffff:6ff3:8079
111.243.128.122 0:0:0:0:0:ffff:6ff3:807a
111.243.128.123 0:0:0:0:0:ffff:6ff3:807b
111.243.128.124 0:0:0:0:0:ffff:6ff3:807c
111.243.128.125 0:0:0:0:0:ffff:6ff3:807d
111.243.128.126 0:0:0:0:0:ffff:6ff3:807e
111.243.128.127 0:0:0:0:0:ffff:6ff3:807f
111.243.128.128 0:0:0:0:0:ffff:6ff3:8080
111.243.128.129 0:0:0:0:0:ffff:6ff3:8081
111.243.128.130 0:0:0:0:0:ffff:6ff3:8082
111.243.128.131 0:0:0:0:0:ffff:6ff3:8083
111.243.128.132 0:0:0:0:0:ffff:6ff3:8084
111.243.128.133 0:0:0:0:0:ffff:6ff3:8085
111.243.128.134 0:0:0:0:0:ffff:6ff3:8086
111.243.128.135 0:0:0:0:0:ffff:6ff3:8087
111.243.128.136 0:0:0:0:0:ffff:6ff3:8088
111.243.128.137 0:0:0:0:0:ffff:6ff3:8089
111.243.128.138 0:0:0:0:0:ffff:6ff3:808a
111.243.128.139 0:0:0:0:0:ffff:6ff3:808b
111.243.128.140 0:0:0:0:0:ffff:6ff3:808c
111.243.128.141 0:0:0:0:0:ffff:6ff3:808d
111.243.128.142 0:0:0:0:0:ffff:6ff3:808e
111.243.128.143 0:0:0:0:0:ffff:6ff3:808f
111.243.128.144 0:0:0:0:0:ffff:6ff3:8090
111.243.128.145 0:0:0:0:0:ffff:6ff3:8091
111.243.128.146 0:0:0:0:0:ffff:6ff3:8092
111.243.128.147 0:0:0:0:0:ffff:6ff3:8093
111.243.128.148 0:0:0:0:0:ffff:6ff3:8094
111.243.128.149 0:0:0:0:0:ffff:6ff3:8095
111.243.128.150 0:0:0:0:0:ffff:6ff3:8096
111.243.128.151 0:0:0:0:0:ffff:6ff3:8097
111.243.128.152 0:0:0:0:0:ffff:6ff3:8098
111.243.128.153 0:0:0:0:0:ffff:6ff3:8099
111.243.128.154 0:0:0:0:0:ffff:6ff3:809a
111.243.128.155 0:0:0:0:0:ffff:6ff3:809b
111.243.128.156 0:0:0:0:0:ffff:6ff3:809c
111.243.128.157 0:0:0:0:0:ffff:6ff3:809d
111.243.128.158 0:0:0:0:0:ffff:6ff3:809e
111.243.128.159 0:0:0:0:0:ffff:6ff3:809f
111.243.128.160 0:0:0:0:0:ffff:6ff3:80a0
111.243.128.161 0:0:0:0:0:ffff:6ff3:80a1
111.243.128.162 0:0:0:0:0:ffff:6ff3:80a2
111.243.128.163 0:0:0:0:0:ffff:6ff3:80a3
111.243.128.164 0:0:0:0:0:ffff:6ff3:80a4
111.243.128.165 0:0:0:0:0:ffff:6ff3:80a5
111.243.128.166 0:0:0:0:0:ffff:6ff3:80a6
111.243.128.167 0:0:0:0:0:ffff:6ff3:80a7
111.243.128.168 0:0:0:0:0:ffff:6ff3:80a8
111.243.128.169 0:0:0:0:0:ffff:6ff3:80a9
111.243.128.170 0:0:0:0:0:ffff:6ff3:80aa
111.243.128.171 0:0:0:0:0:ffff:6ff3:80ab
111.243.128.172 0:0:0:0:0:ffff:6ff3:80ac
111.243.128.173 0:0:0:0:0:ffff:6ff3:80ad
111.243.128.174 0:0:0:0:0:ffff:6ff3:80ae
111.243.128.175 0:0:0:0:0:ffff:6ff3:80af
111.243.128.176 0:0:0:0:0:ffff:6ff3:80b0
111.243.128.177 0:0:0:0:0:ffff:6ff3:80b1
111.243.128.178 0:0:0:0:0:ffff:6ff3:80b2
111.243.128.179 0:0:0:0:0:ffff:6ff3:80b3
111.243.128.180 0:0:0:0:0:ffff:6ff3:80b4


111.243.128.181 0:0:0:0:0:ffff:6ff3:80b5
111.243.128.182 0:0:0:0:0:ffff:6ff3:80b6
111.243.128.183 0:0:0:0:0:ffff:6ff3:80b7
111.243.128.184 0:0:0:0:0:ffff:6ff3:80b8
111.243.128.185 0:0:0:0:0:ffff:6ff3:80b9
111.243.128.186 0:0:0:0:0:ffff:6ff3:80ba
111.243.128.187 0:0:0:0:0:ffff:6ff3:80bb
111.243.128.188 0:0:0:0:0:ffff:6ff3:80bc
111.243.128.189 0:0:0:0:0:ffff:6ff3:80bd
111.243.128.190 0:0:0:0:0:ffff:6ff3:80be
111.243.128.191 0:0:0:0:0:ffff:6ff3:80bf
111.243.128.192 0:0:0:0:0:ffff:6ff3:80c0
111.243.128.193 0:0:0:0:0:ffff:6ff3:80c1
111.243.128.194 0:0:0:0:0:ffff:6ff3:80c2
111.243.128.195 0:0:0:0:0:ffff:6ff3:80c3
111.243.128.196 0:0:0:0:0:ffff:6ff3:80c4
111.243.128.197 0:0:0:0:0:ffff:6ff3:80c5
111.243.128.198 0:0:0:0:0:ffff:6ff3:80c6
111.243.128.199 0:0:0:0:0:ffff:6ff3:80c7
111.243.128.200 0:0:0:0:0:ffff:6ff3:80c8
111.243.128.201 0:0:0:0:0:ffff:6ff3:80c9
111.243.128.202 0:0:0:0:0:ffff:6ff3:80ca
111.243.128.203 0:0:0:0:0:ffff:6ff3:80cb
111.243.128.204 0:0:0:0:0:ffff:6ff3:80cc
111.243.128.205 0:0:0:0:0:ffff:6ff3:80cd
111.243.128.206 0:0:0:0:0:ffff:6ff3:80ce
111.243.128.207 0:0:0:0:0:ffff:6ff3:80cf
111.243.128.208 0:0:0:0:0:ffff:6ff3:80d0
111.243.128.209 0:0:0:0:0:ffff:6ff3:80d1
111.243.128.210 0:0:0:0:0:ffff:6ff3:80d2
111.243.128.211 0:0:0:0:0:ffff:6ff3:80d3
111.243.128.212 0:0:0:0:0:ffff:6ff3:80d4
111.243.128.213 0:0:0:0:0:ffff:6ff3:80d5
111.243.128.214 0:0:0:0:0:ffff:6ff3:80d6
111.243.128.215 0:0:0:0:0:ffff:6ff3:80d7
111.243.128.216 0:0:0:0:0:ffff:6ff3:80d8
111.243.128.217 0:0:0:0:0:ffff:6ff3:80d9
111.243.128.218 0:0:0:0:0:ffff:6ff3:80da
111.243.128.219 0:0:0:0:0:ffff:6ff3:80db
111.243.128.220 0:0:0:0:0:ffff:6ff3:80dc
111.243.128.221 0:0:0:0:0:ffff:6ff3:80dd
111.243.128.222 0:0:0:0:0:ffff:6ff3:80de
111.243.128.223 0:0:0:0:0:ffff:6ff3:80df
111.243.128.224 0:0:0:0:0:ffff:6ff3:80e0
111.243.128.225 0:0:0:0:0:ffff:6ff3:80e1
111.243.128.226 0:0:0:0:0:ffff:6ff3:80e2
111.243.128.227 0:0:0:0:0:ffff:6ff3:80e3
111.243.128.228 0:0:0:0:0:ffff:6ff3:80e4
111.243.128.229 0:0:0:0:0:ffff:6ff3:80e5
111.243.128.230 0:0:0:0:0:ffff:6ff3:80e6
111.243.128.231 0:0:0:0:0:ffff:6ff3:80e7
111.243.128.232 0:0:0:0:0:ffff:6ff3:80e8
111.243.128.233 0:0:0:0:0:ffff:6ff3:80e9
111.243.128.234 0:0:0:0:0:ffff:6ff3:80ea
111.243.128.235 0:0:0:0:0:ffff:6ff3:80eb
111.243.128.236 0:0:0:0:0:ffff:6ff3:80ec
111.243.128.237 0:0:0:0:0:ffff:6ff3:80ed
111.243.128.238 0:0:0:0:0:ffff:6ff3:80ee
111.243.128.239 0:0:0:0:0:ffff:6ff3:80ef
111.243.128.240 0:0:0:0:0:ffff:6ff3:80f0
111.243.128.241 0:0:0:0:0:ffff:6ff3:80f1
111.243.128.242 0:0:0:0:0:ffff:6ff3:80f2
111.243.128.243 0:0:0:0:0:ffff:6ff3:80f3
111.243.128.244 0:0:0:0:0:ffff:6ff3:80f4
111.243.128.245 0:0:0:0:0:ffff:6ff3:80f5
111.243.128.246 0:0:0:0:0:ffff:6ff3:80f6
111.243.128.247 0:0:0:0:0:ffff:6ff3:80f7
111.243.128.248 0:0:0:0:0:ffff:6ff3:80f8
111.243.128.249 0:0:0:0:0:ffff:6ff3:80f9
111.243.128.250 0:0:0:0:0:ffff:6ff3:80fa
111.243.128.251 0:0:0:0:0:ffff:6ff3:80fb
111.243.128.252 0:0:0:0:0:ffff:6ff3:80fc
111.243.128.253 0:0:0:0:0:ffff:6ff3:80fd
111.243.128.254 0:0:0:0:0:ffff:6ff3:80fe
111.243.128.255 0:0:0:0:0:ffff:6ff3:80ff


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.