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
3.103.128.1 0:0:0:0:0:ffff:367:8001
3.103.128.2 0:0:0:0:0:ffff:367:8002
3.103.128.3 0:0:0:0:0:ffff:367:8003
3.103.128.4 0:0:0:0:0:ffff:367:8004
3.103.128.5 0:0:0:0:0:ffff:367:8005
3.103.128.6 0:0:0:0:0:ffff:367:8006
3.103.128.7 0:0:0:0:0:ffff:367:8007
3.103.128.8 0:0:0:0:0:ffff:367:8008
3.103.128.9 0:0:0:0:0:ffff:367:8009
3.103.128.10 0:0:0:0:0:ffff:367:800a
3.103.128.11 0:0:0:0:0:ffff:367:800b
3.103.128.12 0:0:0:0:0:ffff:367:800c
3.103.128.13 0:0:0:0:0:ffff:367:800d
3.103.128.14 0:0:0:0:0:ffff:367:800e
3.103.128.15 0:0:0:0:0:ffff:367:800f
3.103.128.16 0:0:0:0:0:ffff:367:8010
3.103.128.17 0:0:0:0:0:ffff:367:8011
3.103.128.18 0:0:0:0:0:ffff:367:8012
3.103.128.19 0:0:0:0:0:ffff:367:8013
3.103.128.20 0:0:0:0:0:ffff:367:8014
3.103.128.21 0:0:0:0:0:ffff:367:8015
3.103.128.22 0:0:0:0:0:ffff:367:8016
3.103.128.23 0:0:0:0:0:ffff:367:8017
3.103.128.24 0:0:0:0:0:ffff:367:8018
3.103.128.25 0:0:0:0:0:ffff:367:8019
3.103.128.26 0:0:0:0:0:ffff:367:801a
3.103.128.27 0:0:0:0:0:ffff:367:801b
3.103.128.28 0:0:0:0:0:ffff:367:801c
3.103.128.29 0:0:0:0:0:ffff:367:801d
3.103.128.30 0:0:0:0:0:ffff:367:801e
3.103.128.31 0:0:0:0:0:ffff:367:801f
3.103.128.32 0:0:0:0:0:ffff:367:8020
3.103.128.33 0:0:0:0:0:ffff:367:8021
3.103.128.34 0:0:0:0:0:ffff:367:8022
3.103.128.35 0:0:0:0:0:ffff:367:8023
3.103.128.36 0:0:0:0:0:ffff:367:8024
3.103.128.37 0:0:0:0:0:ffff:367:8025
3.103.128.38 0:0:0:0:0:ffff:367:8026
3.103.128.39 0:0:0:0:0:ffff:367:8027
3.103.128.40 0:0:0:0:0:ffff:367:8028
3.103.128.41 0:0:0:0:0:ffff:367:8029
3.103.128.42 0:0:0:0:0:ffff:367:802a
3.103.128.43 0:0:0:0:0:ffff:367:802b
3.103.128.44 0:0:0:0:0:ffff:367:802c
3.103.128.45 0:0:0:0:0:ffff:367:802d
3.103.128.46 0:0:0:0:0:ffff:367:802e
3.103.128.47 0:0:0:0:0:ffff:367:802f
3.103.128.48 0:0:0:0:0:ffff:367:8030
3.103.128.49 0:0:0:0:0:ffff:367:8031
3.103.128.50 0:0:0:0:0:ffff:367:8032
3.103.128.51 0:0:0:0:0:ffff:367:8033
3.103.128.52 0:0:0:0:0:ffff:367:8034
3.103.128.53 0:0:0:0:0:ffff:367:8035
3.103.128.54 0:0:0:0:0:ffff:367:8036
3.103.128.55 0:0:0:0:0:ffff:367:8037
3.103.128.56 0:0:0:0:0:ffff:367:8038
3.103.128.57 0:0:0:0:0:ffff:367:8039
3.103.128.58 0:0:0:0:0:ffff:367:803a
3.103.128.59 0:0:0:0:0:ffff:367:803b
3.103.128.60 0:0:0:0:0:ffff:367:803c


3.103.128.61 0:0:0:0:0:ffff:367:803d
3.103.128.62 0:0:0:0:0:ffff:367:803e
3.103.128.63 0:0:0:0:0:ffff:367:803f
3.103.128.64 0:0:0:0:0:ffff:367:8040
3.103.128.65 0:0:0:0:0:ffff:367:8041
3.103.128.66 0:0:0:0:0:ffff:367:8042
3.103.128.67 0:0:0:0:0:ffff:367:8043
3.103.128.68 0:0:0:0:0:ffff:367:8044
3.103.128.69 0:0:0:0:0:ffff:367:8045
3.103.128.70 0:0:0:0:0:ffff:367:8046
3.103.128.71 0:0:0:0:0:ffff:367:8047
3.103.128.72 0:0:0:0:0:ffff:367:8048
3.103.128.73 0:0:0:0:0:ffff:367:8049
3.103.128.74 0:0:0:0:0:ffff:367:804a
3.103.128.75 0:0:0:0:0:ffff:367:804b
3.103.128.76 0:0:0:0:0:ffff:367:804c
3.103.128.77 0:0:0:0:0:ffff:367:804d
3.103.128.78 0:0:0:0:0:ffff:367:804e
3.103.128.79 0:0:0:0:0:ffff:367:804f
3.103.128.80 0:0:0:0:0:ffff:367:8050
3.103.128.81 0:0:0:0:0:ffff:367:8051
3.103.128.82 0:0:0:0:0:ffff:367:8052
3.103.128.83 0:0:0:0:0:ffff:367:8053
3.103.128.84 0:0:0:0:0:ffff:367:8054
3.103.128.85 0:0:0:0:0:ffff:367:8055
3.103.128.86 0:0:0:0:0:ffff:367:8056
3.103.128.87 0:0:0:0:0:ffff:367:8057
3.103.128.88 0:0:0:0:0:ffff:367:8058
3.103.128.89 0:0:0:0:0:ffff:367:8059
3.103.128.90 0:0:0:0:0:ffff:367:805a
3.103.128.91 0:0:0:0:0:ffff:367:805b
3.103.128.92 0:0:0:0:0:ffff:367:805c
3.103.128.93 0:0:0:0:0:ffff:367:805d
3.103.128.94 0:0:0:0:0:ffff:367:805e
3.103.128.95 0:0:0:0:0:ffff:367:805f
3.103.128.96 0:0:0:0:0:ffff:367:8060
3.103.128.97 0:0:0:0:0:ffff:367:8061
3.103.128.98 0:0:0:0:0:ffff:367:8062
3.103.128.99 0:0:0:0:0:ffff:367:8063
3.103.128.100 0:0:0:0:0:ffff:367:8064
3.103.128.101 0:0:0:0:0:ffff:367:8065
3.103.128.102 0:0:0:0:0:ffff:367:8066
3.103.128.103 0:0:0:0:0:ffff:367:8067
3.103.128.104 0:0:0:0:0:ffff:367:8068
3.103.128.105 0:0:0:0:0:ffff:367:8069
3.103.128.106 0:0:0:0:0:ffff:367:806a
3.103.128.107 0:0:0:0:0:ffff:367:806b
3.103.128.108 0:0:0:0:0:ffff:367:806c
3.103.128.109 0:0:0:0:0:ffff:367:806d
3.103.128.110 0:0:0:0:0:ffff:367:806e
3.103.128.111 0:0:0:0:0:ffff:367:806f
3.103.128.112 0:0:0:0:0:ffff:367:8070
3.103.128.113 0:0:0:0:0:ffff:367:8071
3.103.128.114 0:0:0:0:0:ffff:367:8072
3.103.128.115 0:0:0:0:0:ffff:367:8073
3.103.128.116 0:0:0:0:0:ffff:367:8074
3.103.128.117 0:0:0:0:0:ffff:367:8075
3.103.128.118 0:0:0:0:0:ffff:367:8076
3.103.128.119 0:0:0:0:0:ffff:367:8077
3.103.128.120 0:0:0:0:0:ffff:367:8078


3.103.128.121 0:0:0:0:0:ffff:367:8079
3.103.128.122 0:0:0:0:0:ffff:367:807a
3.103.128.123 0:0:0:0:0:ffff:367:807b
3.103.128.124 0:0:0:0:0:ffff:367:807c
3.103.128.125 0:0:0:0:0:ffff:367:807d
3.103.128.126 0:0:0:0:0:ffff:367:807e
3.103.128.127 0:0:0:0:0:ffff:367:807f
3.103.128.128 0:0:0:0:0:ffff:367:8080
3.103.128.129 0:0:0:0:0:ffff:367:8081
3.103.128.130 0:0:0:0:0:ffff:367:8082
3.103.128.131 0:0:0:0:0:ffff:367:8083
3.103.128.132 0:0:0:0:0:ffff:367:8084
3.103.128.133 0:0:0:0:0:ffff:367:8085
3.103.128.134 0:0:0:0:0:ffff:367:8086
3.103.128.135 0:0:0:0:0:ffff:367:8087
3.103.128.136 0:0:0:0:0:ffff:367:8088
3.103.128.137 0:0:0:0:0:ffff:367:8089
3.103.128.138 0:0:0:0:0:ffff:367:808a
3.103.128.139 0:0:0:0:0:ffff:367:808b
3.103.128.140 0:0:0:0:0:ffff:367:808c
3.103.128.141 0:0:0:0:0:ffff:367:808d
3.103.128.142 0:0:0:0:0:ffff:367:808e
3.103.128.143 0:0:0:0:0:ffff:367:808f
3.103.128.144 0:0:0:0:0:ffff:367:8090
3.103.128.145 0:0:0:0:0:ffff:367:8091
3.103.128.146 0:0:0:0:0:ffff:367:8092
3.103.128.147 0:0:0:0:0:ffff:367:8093
3.103.128.148 0:0:0:0:0:ffff:367:8094
3.103.128.149 0:0:0:0:0:ffff:367:8095
3.103.128.150 0:0:0:0:0:ffff:367:8096
3.103.128.151 0:0:0:0:0:ffff:367:8097
3.103.128.152 0:0:0:0:0:ffff:367:8098
3.103.128.153 0:0:0:0:0:ffff:367:8099
3.103.128.154 0:0:0:0:0:ffff:367:809a
3.103.128.155 0:0:0:0:0:ffff:367:809b
3.103.128.156 0:0:0:0:0:ffff:367:809c
3.103.128.157 0:0:0:0:0:ffff:367:809d
3.103.128.158 0:0:0:0:0:ffff:367:809e
3.103.128.159 0:0:0:0:0:ffff:367:809f
3.103.128.160 0:0:0:0:0:ffff:367:80a0
3.103.128.161 0:0:0:0:0:ffff:367:80a1
3.103.128.162 0:0:0:0:0:ffff:367:80a2
3.103.128.163 0:0:0:0:0:ffff:367:80a3
3.103.128.164 0:0:0:0:0:ffff:367:80a4
3.103.128.165 0:0:0:0:0:ffff:367:80a5
3.103.128.166 0:0:0:0:0:ffff:367:80a6
3.103.128.167 0:0:0:0:0:ffff:367:80a7
3.103.128.168 0:0:0:0:0:ffff:367:80a8
3.103.128.169 0:0:0:0:0:ffff:367:80a9
3.103.128.170 0:0:0:0:0:ffff:367:80aa
3.103.128.171 0:0:0:0:0:ffff:367:80ab
3.103.128.172 0:0:0:0:0:ffff:367:80ac
3.103.128.173 0:0:0:0:0:ffff:367:80ad
3.103.128.174 0:0:0:0:0:ffff:367:80ae
3.103.128.175 0:0:0:0:0:ffff:367:80af
3.103.128.176 0:0:0:0:0:ffff:367:80b0
3.103.128.177 0:0:0:0:0:ffff:367:80b1
3.103.128.178 0:0:0:0:0:ffff:367:80b2
3.103.128.179 0:0:0:0:0:ffff:367:80b3
3.103.128.180 0:0:0:0:0:ffff:367:80b4


3.103.128.181 0:0:0:0:0:ffff:367:80b5
3.103.128.182 0:0:0:0:0:ffff:367:80b6
3.103.128.183 0:0:0:0:0:ffff:367:80b7
3.103.128.184 0:0:0:0:0:ffff:367:80b8
3.103.128.185 0:0:0:0:0:ffff:367:80b9
3.103.128.186 0:0:0:0:0:ffff:367:80ba
3.103.128.187 0:0:0:0:0:ffff:367:80bb
3.103.128.188 0:0:0:0:0:ffff:367:80bc
3.103.128.189 0:0:0:0:0:ffff:367:80bd
3.103.128.190 0:0:0:0:0:ffff:367:80be
3.103.128.191 0:0:0:0:0:ffff:367:80bf
3.103.128.192 0:0:0:0:0:ffff:367:80c0
3.103.128.193 0:0:0:0:0:ffff:367:80c1
3.103.128.194 0:0:0:0:0:ffff:367:80c2
3.103.128.195 0:0:0:0:0:ffff:367:80c3
3.103.128.196 0:0:0:0:0:ffff:367:80c4
3.103.128.197 0:0:0:0:0:ffff:367:80c5
3.103.128.198 0:0:0:0:0:ffff:367:80c6
3.103.128.199 0:0:0:0:0:ffff:367:80c7
3.103.128.200 0:0:0:0:0:ffff:367:80c8
3.103.128.201 0:0:0:0:0:ffff:367:80c9
3.103.128.202 0:0:0:0:0:ffff:367:80ca
3.103.128.203 0:0:0:0:0:ffff:367:80cb
3.103.128.204 0:0:0:0:0:ffff:367:80cc
3.103.128.205 0:0:0:0:0:ffff:367:80cd
3.103.128.206 0:0:0:0:0:ffff:367:80ce
3.103.128.207 0:0:0:0:0:ffff:367:80cf
3.103.128.208 0:0:0:0:0:ffff:367:80d0
3.103.128.209 0:0:0:0:0:ffff:367:80d1
3.103.128.210 0:0:0:0:0:ffff:367:80d2
3.103.128.211 0:0:0:0:0:ffff:367:80d3
3.103.128.212 0:0:0:0:0:ffff:367:80d4
3.103.128.213 0:0:0:0:0:ffff:367:80d5
3.103.128.214 0:0:0:0:0:ffff:367:80d6
3.103.128.215 0:0:0:0:0:ffff:367:80d7
3.103.128.216 0:0:0:0:0:ffff:367:80d8
3.103.128.217 0:0:0:0:0:ffff:367:80d9
3.103.128.218 0:0:0:0:0:ffff:367:80da
3.103.128.219 0:0:0:0:0:ffff:367:80db
3.103.128.220 0:0:0:0:0:ffff:367:80dc
3.103.128.221 0:0:0:0:0:ffff:367:80dd
3.103.128.222 0:0:0:0:0:ffff:367:80de
3.103.128.223 0:0:0:0:0:ffff:367:80df
3.103.128.224 0:0:0:0:0:ffff:367:80e0
3.103.128.225 0:0:0:0:0:ffff:367:80e1
3.103.128.226 0:0:0:0:0:ffff:367:80e2
3.103.128.227 0:0:0:0:0:ffff:367:80e3
3.103.128.228 0:0:0:0:0:ffff:367:80e4
3.103.128.229 0:0:0:0:0:ffff:367:80e5
3.103.128.230 0:0:0:0:0:ffff:367:80e6
3.103.128.231 0:0:0:0:0:ffff:367:80e7
3.103.128.232 0:0:0:0:0:ffff:367:80e8
3.103.128.233 0:0:0:0:0:ffff:367:80e9
3.103.128.234 0:0:0:0:0:ffff:367:80ea
3.103.128.235 0:0:0:0:0:ffff:367:80eb
3.103.128.236 0:0:0:0:0:ffff:367:80ec
3.103.128.237 0:0:0:0:0:ffff:367:80ed
3.103.128.238 0:0:0:0:0:ffff:367:80ee
3.103.128.239 0:0:0:0:0:ffff:367:80ef
3.103.128.240 0:0:0:0:0:ffff:367:80f0
3.103.128.241 0:0:0:0:0:ffff:367:80f1
3.103.128.242 0:0:0:0:0:ffff:367:80f2
3.103.128.243 0:0:0:0:0:ffff:367:80f3
3.103.128.244 0:0:0:0:0:ffff:367:80f4
3.103.128.245 0:0:0:0:0:ffff:367:80f5
3.103.128.246 0:0:0:0:0:ffff:367:80f6
3.103.128.247 0:0:0:0:0:ffff:367:80f7
3.103.128.248 0:0:0:0:0:ffff:367:80f8
3.103.128.249 0:0:0:0:0:ffff:367:80f9
3.103.128.250 0:0:0:0:0:ffff:367:80fa
3.103.128.251 0:0:0:0:0:ffff:367:80fb
3.103.128.252 0:0:0:0:0:ffff:367:80fc
3.103.128.253 0:0:0:0:0:ffff:367:80fd
3.103.128.254 0:0:0:0:0:ffff:367:80fe
3.103.128.255 0:0:0:0:0:ffff:367:80ff


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.