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
123.103.199.1 0:0:0:0:0:ffff:7b67:c701
123.103.199.2 0:0:0:0:0:ffff:7b67:c702
123.103.199.3 0:0:0:0:0:ffff:7b67:c703
123.103.199.4 0:0:0:0:0:ffff:7b67:c704
123.103.199.5 0:0:0:0:0:ffff:7b67:c705
123.103.199.6 0:0:0:0:0:ffff:7b67:c706
123.103.199.7 0:0:0:0:0:ffff:7b67:c707
123.103.199.8 0:0:0:0:0:ffff:7b67:c708
123.103.199.9 0:0:0:0:0:ffff:7b67:c709
123.103.199.10 0:0:0:0:0:ffff:7b67:c70a
123.103.199.11 0:0:0:0:0:ffff:7b67:c70b
123.103.199.12 0:0:0:0:0:ffff:7b67:c70c
123.103.199.13 0:0:0:0:0:ffff:7b67:c70d
123.103.199.14 0:0:0:0:0:ffff:7b67:c70e
123.103.199.15 0:0:0:0:0:ffff:7b67:c70f
123.103.199.16 0:0:0:0:0:ffff:7b67:c710
123.103.199.17 0:0:0:0:0:ffff:7b67:c711
123.103.199.18 0:0:0:0:0:ffff:7b67:c712
123.103.199.19 0:0:0:0:0:ffff:7b67:c713
123.103.199.20 0:0:0:0:0:ffff:7b67:c714
123.103.199.21 0:0:0:0:0:ffff:7b67:c715
123.103.199.22 0:0:0:0:0:ffff:7b67:c716
123.103.199.23 0:0:0:0:0:ffff:7b67:c717
123.103.199.24 0:0:0:0:0:ffff:7b67:c718
123.103.199.25 0:0:0:0:0:ffff:7b67:c719
123.103.199.26 0:0:0:0:0:ffff:7b67:c71a
123.103.199.27 0:0:0:0:0:ffff:7b67:c71b
123.103.199.28 0:0:0:0:0:ffff:7b67:c71c
123.103.199.29 0:0:0:0:0:ffff:7b67:c71d
123.103.199.30 0:0:0:0:0:ffff:7b67:c71e
123.103.199.31 0:0:0:0:0:ffff:7b67:c71f
123.103.199.32 0:0:0:0:0:ffff:7b67:c720
123.103.199.33 0:0:0:0:0:ffff:7b67:c721
123.103.199.34 0:0:0:0:0:ffff:7b67:c722
123.103.199.35 0:0:0:0:0:ffff:7b67:c723
123.103.199.36 0:0:0:0:0:ffff:7b67:c724
123.103.199.37 0:0:0:0:0:ffff:7b67:c725
123.103.199.38 0:0:0:0:0:ffff:7b67:c726
123.103.199.39 0:0:0:0:0:ffff:7b67:c727
123.103.199.40 0:0:0:0:0:ffff:7b67:c728
123.103.199.41 0:0:0:0:0:ffff:7b67:c729
123.103.199.42 0:0:0:0:0:ffff:7b67:c72a
123.103.199.43 0:0:0:0:0:ffff:7b67:c72b
123.103.199.44 0:0:0:0:0:ffff:7b67:c72c
123.103.199.45 0:0:0:0:0:ffff:7b67:c72d
123.103.199.46 0:0:0:0:0:ffff:7b67:c72e
123.103.199.47 0:0:0:0:0:ffff:7b67:c72f
123.103.199.48 0:0:0:0:0:ffff:7b67:c730
123.103.199.49 0:0:0:0:0:ffff:7b67:c731
123.103.199.50 0:0:0:0:0:ffff:7b67:c732
123.103.199.51 0:0:0:0:0:ffff:7b67:c733
123.103.199.52 0:0:0:0:0:ffff:7b67:c734
123.103.199.53 0:0:0:0:0:ffff:7b67:c735
123.103.199.54 0:0:0:0:0:ffff:7b67:c736
123.103.199.55 0:0:0:0:0:ffff:7b67:c737
123.103.199.56 0:0:0:0:0:ffff:7b67:c738
123.103.199.57 0:0:0:0:0:ffff:7b67:c739
123.103.199.58 0:0:0:0:0:ffff:7b67:c73a
123.103.199.59 0:0:0:0:0:ffff:7b67:c73b
123.103.199.60 0:0:0:0:0:ffff:7b67:c73c


123.103.199.61 0:0:0:0:0:ffff:7b67:c73d
123.103.199.62 0:0:0:0:0:ffff:7b67:c73e
123.103.199.63 0:0:0:0:0:ffff:7b67:c73f
123.103.199.64 0:0:0:0:0:ffff:7b67:c740
123.103.199.65 0:0:0:0:0:ffff:7b67:c741
123.103.199.66 0:0:0:0:0:ffff:7b67:c742
123.103.199.67 0:0:0:0:0:ffff:7b67:c743
123.103.199.68 0:0:0:0:0:ffff:7b67:c744
123.103.199.69 0:0:0:0:0:ffff:7b67:c745
123.103.199.70 0:0:0:0:0:ffff:7b67:c746
123.103.199.71 0:0:0:0:0:ffff:7b67:c747
123.103.199.72 0:0:0:0:0:ffff:7b67:c748
123.103.199.73 0:0:0:0:0:ffff:7b67:c749
123.103.199.74 0:0:0:0:0:ffff:7b67:c74a
123.103.199.75 0:0:0:0:0:ffff:7b67:c74b
123.103.199.76 0:0:0:0:0:ffff:7b67:c74c
123.103.199.77 0:0:0:0:0:ffff:7b67:c74d
123.103.199.78 0:0:0:0:0:ffff:7b67:c74e
123.103.199.79 0:0:0:0:0:ffff:7b67:c74f
123.103.199.80 0:0:0:0:0:ffff:7b67:c750
123.103.199.81 0:0:0:0:0:ffff:7b67:c751
123.103.199.82 0:0:0:0:0:ffff:7b67:c752
123.103.199.83 0:0:0:0:0:ffff:7b67:c753
123.103.199.84 0:0:0:0:0:ffff:7b67:c754
123.103.199.85 0:0:0:0:0:ffff:7b67:c755
123.103.199.86 0:0:0:0:0:ffff:7b67:c756
123.103.199.87 0:0:0:0:0:ffff:7b67:c757
123.103.199.88 0:0:0:0:0:ffff:7b67:c758
123.103.199.89 0:0:0:0:0:ffff:7b67:c759
123.103.199.90 0:0:0:0:0:ffff:7b67:c75a
123.103.199.91 0:0:0:0:0:ffff:7b67:c75b
123.103.199.92 0:0:0:0:0:ffff:7b67:c75c
123.103.199.93 0:0:0:0:0:ffff:7b67:c75d
123.103.199.94 0:0:0:0:0:ffff:7b67:c75e
123.103.199.95 0:0:0:0:0:ffff:7b67:c75f
123.103.199.96 0:0:0:0:0:ffff:7b67:c760
123.103.199.97 0:0:0:0:0:ffff:7b67:c761
123.103.199.98 0:0:0:0:0:ffff:7b67:c762
123.103.199.99 0:0:0:0:0:ffff:7b67:c763
123.103.199.100 0:0:0:0:0:ffff:7b67:c764
123.103.199.101 0:0:0:0:0:ffff:7b67:c765
123.103.199.102 0:0:0:0:0:ffff:7b67:c766
123.103.199.103 0:0:0:0:0:ffff:7b67:c767
123.103.199.104 0:0:0:0:0:ffff:7b67:c768
123.103.199.105 0:0:0:0:0:ffff:7b67:c769
123.103.199.106 0:0:0:0:0:ffff:7b67:c76a
123.103.199.107 0:0:0:0:0:ffff:7b67:c76b
123.103.199.108 0:0:0:0:0:ffff:7b67:c76c
123.103.199.109 0:0:0:0:0:ffff:7b67:c76d
123.103.199.110 0:0:0:0:0:ffff:7b67:c76e
123.103.199.111 0:0:0:0:0:ffff:7b67:c76f
123.103.199.112 0:0:0:0:0:ffff:7b67:c770
123.103.199.113 0:0:0:0:0:ffff:7b67:c771
123.103.199.114 0:0:0:0:0:ffff:7b67:c772
123.103.199.115 0:0:0:0:0:ffff:7b67:c773
123.103.199.116 0:0:0:0:0:ffff:7b67:c774
123.103.199.117 0:0:0:0:0:ffff:7b67:c775
123.103.199.118 0:0:0:0:0:ffff:7b67:c776
123.103.199.119 0:0:0:0:0:ffff:7b67:c777
123.103.199.120 0:0:0:0:0:ffff:7b67:c778


123.103.199.121 0:0:0:0:0:ffff:7b67:c779
123.103.199.122 0:0:0:0:0:ffff:7b67:c77a
123.103.199.123 0:0:0:0:0:ffff:7b67:c77b
123.103.199.124 0:0:0:0:0:ffff:7b67:c77c
123.103.199.125 0:0:0:0:0:ffff:7b67:c77d
123.103.199.126 0:0:0:0:0:ffff:7b67:c77e
123.103.199.127 0:0:0:0:0:ffff:7b67:c77f
123.103.199.128 0:0:0:0:0:ffff:7b67:c780
123.103.199.129 0:0:0:0:0:ffff:7b67:c781
123.103.199.130 0:0:0:0:0:ffff:7b67:c782
123.103.199.131 0:0:0:0:0:ffff:7b67:c783
123.103.199.132 0:0:0:0:0:ffff:7b67:c784
123.103.199.133 0:0:0:0:0:ffff:7b67:c785
123.103.199.134 0:0:0:0:0:ffff:7b67:c786
123.103.199.135 0:0:0:0:0:ffff:7b67:c787
123.103.199.136 0:0:0:0:0:ffff:7b67:c788
123.103.199.137 0:0:0:0:0:ffff:7b67:c789
123.103.199.138 0:0:0:0:0:ffff:7b67:c78a
123.103.199.139 0:0:0:0:0:ffff:7b67:c78b
123.103.199.140 0:0:0:0:0:ffff:7b67:c78c
123.103.199.141 0:0:0:0:0:ffff:7b67:c78d
123.103.199.142 0:0:0:0:0:ffff:7b67:c78e
123.103.199.143 0:0:0:0:0:ffff:7b67:c78f
123.103.199.144 0:0:0:0:0:ffff:7b67:c790
123.103.199.145 0:0:0:0:0:ffff:7b67:c791
123.103.199.146 0:0:0:0:0:ffff:7b67:c792
123.103.199.147 0:0:0:0:0:ffff:7b67:c793
123.103.199.148 0:0:0:0:0:ffff:7b67:c794
123.103.199.149 0:0:0:0:0:ffff:7b67:c795
123.103.199.150 0:0:0:0:0:ffff:7b67:c796
123.103.199.151 0:0:0:0:0:ffff:7b67:c797
123.103.199.152 0:0:0:0:0:ffff:7b67:c798
123.103.199.153 0:0:0:0:0:ffff:7b67:c799
123.103.199.154 0:0:0:0:0:ffff:7b67:c79a
123.103.199.155 0:0:0:0:0:ffff:7b67:c79b
123.103.199.156 0:0:0:0:0:ffff:7b67:c79c
123.103.199.157 0:0:0:0:0:ffff:7b67:c79d
123.103.199.158 0:0:0:0:0:ffff:7b67:c79e
123.103.199.159 0:0:0:0:0:ffff:7b67:c79f
123.103.199.160 0:0:0:0:0:ffff:7b67:c7a0
123.103.199.161 0:0:0:0:0:ffff:7b67:c7a1
123.103.199.162 0:0:0:0:0:ffff:7b67:c7a2
123.103.199.163 0:0:0:0:0:ffff:7b67:c7a3
123.103.199.164 0:0:0:0:0:ffff:7b67:c7a4
123.103.199.165 0:0:0:0:0:ffff:7b67:c7a5
123.103.199.166 0:0:0:0:0:ffff:7b67:c7a6
123.103.199.167 0:0:0:0:0:ffff:7b67:c7a7
123.103.199.168 0:0:0:0:0:ffff:7b67:c7a8
123.103.199.169 0:0:0:0:0:ffff:7b67:c7a9
123.103.199.170 0:0:0:0:0:ffff:7b67:c7aa
123.103.199.171 0:0:0:0:0:ffff:7b67:c7ab
123.103.199.172 0:0:0:0:0:ffff:7b67:c7ac
123.103.199.173 0:0:0:0:0:ffff:7b67:c7ad
123.103.199.174 0:0:0:0:0:ffff:7b67:c7ae
123.103.199.175 0:0:0:0:0:ffff:7b67:c7af
123.103.199.176 0:0:0:0:0:ffff:7b67:c7b0
123.103.199.177 0:0:0:0:0:ffff:7b67:c7b1
123.103.199.178 0:0:0:0:0:ffff:7b67:c7b2
123.103.199.179 0:0:0:0:0:ffff:7b67:c7b3
123.103.199.180 0:0:0:0:0:ffff:7b67:c7b4


123.103.199.181 0:0:0:0:0:ffff:7b67:c7b5
123.103.199.182 0:0:0:0:0:ffff:7b67:c7b6
123.103.199.183 0:0:0:0:0:ffff:7b67:c7b7
123.103.199.184 0:0:0:0:0:ffff:7b67:c7b8
123.103.199.185 0:0:0:0:0:ffff:7b67:c7b9
123.103.199.186 0:0:0:0:0:ffff:7b67:c7ba
123.103.199.187 0:0:0:0:0:ffff:7b67:c7bb
123.103.199.188 0:0:0:0:0:ffff:7b67:c7bc
123.103.199.189 0:0:0:0:0:ffff:7b67:c7bd
123.103.199.190 0:0:0:0:0:ffff:7b67:c7be
123.103.199.191 0:0:0:0:0:ffff:7b67:c7bf
123.103.199.192 0:0:0:0:0:ffff:7b67:c7c0
123.103.199.193 0:0:0:0:0:ffff:7b67:c7c1
123.103.199.194 0:0:0:0:0:ffff:7b67:c7c2
123.103.199.195 0:0:0:0:0:ffff:7b67:c7c3
123.103.199.196 0:0:0:0:0:ffff:7b67:c7c4
123.103.199.197 0:0:0:0:0:ffff:7b67:c7c5
123.103.199.198 0:0:0:0:0:ffff:7b67:c7c6
123.103.199.199 0:0:0:0:0:ffff:7b67:c7c7
123.103.199.200 0:0:0:0:0:ffff:7b67:c7c8
123.103.199.201 0:0:0:0:0:ffff:7b67:c7c9
123.103.199.202 0:0:0:0:0:ffff:7b67:c7ca
123.103.199.203 0:0:0:0:0:ffff:7b67:c7cb
123.103.199.204 0:0:0:0:0:ffff:7b67:c7cc
123.103.199.205 0:0:0:0:0:ffff:7b67:c7cd
123.103.199.206 0:0:0:0:0:ffff:7b67:c7ce
123.103.199.207 0:0:0:0:0:ffff:7b67:c7cf
123.103.199.208 0:0:0:0:0:ffff:7b67:c7d0
123.103.199.209 0:0:0:0:0:ffff:7b67:c7d1
123.103.199.210 0:0:0:0:0:ffff:7b67:c7d2
123.103.199.211 0:0:0:0:0:ffff:7b67:c7d3
123.103.199.212 0:0:0:0:0:ffff:7b67:c7d4
123.103.199.213 0:0:0:0:0:ffff:7b67:c7d5
123.103.199.214 0:0:0:0:0:ffff:7b67:c7d6
123.103.199.215 0:0:0:0:0:ffff:7b67:c7d7
123.103.199.216 0:0:0:0:0:ffff:7b67:c7d8
123.103.199.217 0:0:0:0:0:ffff:7b67:c7d9
123.103.199.218 0:0:0:0:0:ffff:7b67:c7da
123.103.199.219 0:0:0:0:0:ffff:7b67:c7db
123.103.199.220 0:0:0:0:0:ffff:7b67:c7dc
123.103.199.221 0:0:0:0:0:ffff:7b67:c7dd
123.103.199.222 0:0:0:0:0:ffff:7b67:c7de
123.103.199.223 0:0:0:0:0:ffff:7b67:c7df
123.103.199.224 0:0:0:0:0:ffff:7b67:c7e0
123.103.199.225 0:0:0:0:0:ffff:7b67:c7e1
123.103.199.226 0:0:0:0:0:ffff:7b67:c7e2
123.103.199.227 0:0:0:0:0:ffff:7b67:c7e3
123.103.199.228 0:0:0:0:0:ffff:7b67:c7e4
123.103.199.229 0:0:0:0:0:ffff:7b67:c7e5
123.103.199.230 0:0:0:0:0:ffff:7b67:c7e6
123.103.199.231 0:0:0:0:0:ffff:7b67:c7e7
123.103.199.232 0:0:0:0:0:ffff:7b67:c7e8
123.103.199.233 0:0:0:0:0:ffff:7b67:c7e9
123.103.199.234 0:0:0:0:0:ffff:7b67:c7ea
123.103.199.235 0:0:0:0:0:ffff:7b67:c7eb
123.103.199.236 0:0:0:0:0:ffff:7b67:c7ec
123.103.199.237 0:0:0:0:0:ffff:7b67:c7ed
123.103.199.238 0:0:0:0:0:ffff:7b67:c7ee
123.103.199.239 0:0:0:0:0:ffff:7b67:c7ef
123.103.199.240 0:0:0:0:0:ffff:7b67:c7f0
123.103.199.241 0:0:0:0:0:ffff:7b67:c7f1
123.103.199.242 0:0:0:0:0:ffff:7b67:c7f2
123.103.199.243 0:0:0:0:0:ffff:7b67:c7f3
123.103.199.244 0:0:0:0:0:ffff:7b67:c7f4
123.103.199.245 0:0:0:0:0:ffff:7b67:c7f5
123.103.199.246 0:0:0:0:0:ffff:7b67:c7f6
123.103.199.247 0:0:0:0:0:ffff:7b67:c7f7
123.103.199.248 0:0:0:0:0:ffff:7b67:c7f8
123.103.199.249 0:0:0:0:0:ffff:7b67:c7f9
123.103.199.250 0:0:0:0:0:ffff:7b67:c7fa
123.103.199.251 0:0:0:0:0:ffff:7b67:c7fb
123.103.199.252 0:0:0:0:0:ffff:7b67:c7fc
123.103.199.253 0:0:0:0:0:ffff:7b67:c7fd
123.103.199.254 0:0:0:0:0:ffff:7b67:c7fe
123.103.199.255 0:0:0:0:0:ffff:7b67:c7ff


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.