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
123.103.181.1 0:0:0:0:0:ffff:7b67:b501
123.103.181.2 0:0:0:0:0:ffff:7b67:b502
123.103.181.3 0:0:0:0:0:ffff:7b67:b503
123.103.181.4 0:0:0:0:0:ffff:7b67:b504
123.103.181.5 0:0:0:0:0:ffff:7b67:b505
123.103.181.6 0:0:0:0:0:ffff:7b67:b506
123.103.181.7 0:0:0:0:0:ffff:7b67:b507
123.103.181.8 0:0:0:0:0:ffff:7b67:b508
123.103.181.9 0:0:0:0:0:ffff:7b67:b509
123.103.181.10 0:0:0:0:0:ffff:7b67:b50a
123.103.181.11 0:0:0:0:0:ffff:7b67:b50b
123.103.181.12 0:0:0:0:0:ffff:7b67:b50c
123.103.181.13 0:0:0:0:0:ffff:7b67:b50d
123.103.181.14 0:0:0:0:0:ffff:7b67:b50e
123.103.181.15 0:0:0:0:0:ffff:7b67:b50f
123.103.181.16 0:0:0:0:0:ffff:7b67:b510
123.103.181.17 0:0:0:0:0:ffff:7b67:b511
123.103.181.18 0:0:0:0:0:ffff:7b67:b512
123.103.181.19 0:0:0:0:0:ffff:7b67:b513
123.103.181.20 0:0:0:0:0:ffff:7b67:b514
123.103.181.21 0:0:0:0:0:ffff:7b67:b515
123.103.181.22 0:0:0:0:0:ffff:7b67:b516
123.103.181.23 0:0:0:0:0:ffff:7b67:b517
123.103.181.24 0:0:0:0:0:ffff:7b67:b518
123.103.181.25 0:0:0:0:0:ffff:7b67:b519
123.103.181.26 0:0:0:0:0:ffff:7b67:b51a
123.103.181.27 0:0:0:0:0:ffff:7b67:b51b
123.103.181.28 0:0:0:0:0:ffff:7b67:b51c
123.103.181.29 0:0:0:0:0:ffff:7b67:b51d
123.103.181.30 0:0:0:0:0:ffff:7b67:b51e
123.103.181.31 0:0:0:0:0:ffff:7b67:b51f
123.103.181.32 0:0:0:0:0:ffff:7b67:b520
123.103.181.33 0:0:0:0:0:ffff:7b67:b521
123.103.181.34 0:0:0:0:0:ffff:7b67:b522
123.103.181.35 0:0:0:0:0:ffff:7b67:b523
123.103.181.36 0:0:0:0:0:ffff:7b67:b524
123.103.181.37 0:0:0:0:0:ffff:7b67:b525
123.103.181.38 0:0:0:0:0:ffff:7b67:b526
123.103.181.39 0:0:0:0:0:ffff:7b67:b527
123.103.181.40 0:0:0:0:0:ffff:7b67:b528
123.103.181.41 0:0:0:0:0:ffff:7b67:b529
123.103.181.42 0:0:0:0:0:ffff:7b67:b52a
123.103.181.43 0:0:0:0:0:ffff:7b67:b52b
123.103.181.44 0:0:0:0:0:ffff:7b67:b52c
123.103.181.45 0:0:0:0:0:ffff:7b67:b52d
123.103.181.46 0:0:0:0:0:ffff:7b67:b52e
123.103.181.47 0:0:0:0:0:ffff:7b67:b52f
123.103.181.48 0:0:0:0:0:ffff:7b67:b530
123.103.181.49 0:0:0:0:0:ffff:7b67:b531
123.103.181.50 0:0:0:0:0:ffff:7b67:b532
123.103.181.51 0:0:0:0:0:ffff:7b67:b533
123.103.181.52 0:0:0:0:0:ffff:7b67:b534
123.103.181.53 0:0:0:0:0:ffff:7b67:b535
123.103.181.54 0:0:0:0:0:ffff:7b67:b536
123.103.181.55 0:0:0:0:0:ffff:7b67:b537
123.103.181.56 0:0:0:0:0:ffff:7b67:b538
123.103.181.57 0:0:0:0:0:ffff:7b67:b539
123.103.181.58 0:0:0:0:0:ffff:7b67:b53a
123.103.181.59 0:0:0:0:0:ffff:7b67:b53b
123.103.181.60 0:0:0:0:0:ffff:7b67:b53c


123.103.181.61 0:0:0:0:0:ffff:7b67:b53d
123.103.181.62 0:0:0:0:0:ffff:7b67:b53e
123.103.181.63 0:0:0:0:0:ffff:7b67:b53f
123.103.181.64 0:0:0:0:0:ffff:7b67:b540
123.103.181.65 0:0:0:0:0:ffff:7b67:b541
123.103.181.66 0:0:0:0:0:ffff:7b67:b542
123.103.181.67 0:0:0:0:0:ffff:7b67:b543
123.103.181.68 0:0:0:0:0:ffff:7b67:b544
123.103.181.69 0:0:0:0:0:ffff:7b67:b545
123.103.181.70 0:0:0:0:0:ffff:7b67:b546
123.103.181.71 0:0:0:0:0:ffff:7b67:b547
123.103.181.72 0:0:0:0:0:ffff:7b67:b548
123.103.181.73 0:0:0:0:0:ffff:7b67:b549
123.103.181.74 0:0:0:0:0:ffff:7b67:b54a
123.103.181.75 0:0:0:0:0:ffff:7b67:b54b
123.103.181.76 0:0:0:0:0:ffff:7b67:b54c
123.103.181.77 0:0:0:0:0:ffff:7b67:b54d
123.103.181.78 0:0:0:0:0:ffff:7b67:b54e
123.103.181.79 0:0:0:0:0:ffff:7b67:b54f
123.103.181.80 0:0:0:0:0:ffff:7b67:b550
123.103.181.81 0:0:0:0:0:ffff:7b67:b551
123.103.181.82 0:0:0:0:0:ffff:7b67:b552
123.103.181.83 0:0:0:0:0:ffff:7b67:b553
123.103.181.84 0:0:0:0:0:ffff:7b67:b554
123.103.181.85 0:0:0:0:0:ffff:7b67:b555
123.103.181.86 0:0:0:0:0:ffff:7b67:b556
123.103.181.87 0:0:0:0:0:ffff:7b67:b557
123.103.181.88 0:0:0:0:0:ffff:7b67:b558
123.103.181.89 0:0:0:0:0:ffff:7b67:b559
123.103.181.90 0:0:0:0:0:ffff:7b67:b55a
123.103.181.91 0:0:0:0:0:ffff:7b67:b55b
123.103.181.92 0:0:0:0:0:ffff:7b67:b55c
123.103.181.93 0:0:0:0:0:ffff:7b67:b55d
123.103.181.94 0:0:0:0:0:ffff:7b67:b55e
123.103.181.95 0:0:0:0:0:ffff:7b67:b55f
123.103.181.96 0:0:0:0:0:ffff:7b67:b560
123.103.181.97 0:0:0:0:0:ffff:7b67:b561
123.103.181.98 0:0:0:0:0:ffff:7b67:b562
123.103.181.99 0:0:0:0:0:ffff:7b67:b563
123.103.181.100 0:0:0:0:0:ffff:7b67:b564
123.103.181.101 0:0:0:0:0:ffff:7b67:b565
123.103.181.102 0:0:0:0:0:ffff:7b67:b566
123.103.181.103 0:0:0:0:0:ffff:7b67:b567
123.103.181.104 0:0:0:0:0:ffff:7b67:b568
123.103.181.105 0:0:0:0:0:ffff:7b67:b569
123.103.181.106 0:0:0:0:0:ffff:7b67:b56a
123.103.181.107 0:0:0:0:0:ffff:7b67:b56b
123.103.181.108 0:0:0:0:0:ffff:7b67:b56c
123.103.181.109 0:0:0:0:0:ffff:7b67:b56d
123.103.181.110 0:0:0:0:0:ffff:7b67:b56e
123.103.181.111 0:0:0:0:0:ffff:7b67:b56f
123.103.181.112 0:0:0:0:0:ffff:7b67:b570
123.103.181.113 0:0:0:0:0:ffff:7b67:b571
123.103.181.114 0:0:0:0:0:ffff:7b67:b572
123.103.181.115 0:0:0:0:0:ffff:7b67:b573
123.103.181.116 0:0:0:0:0:ffff:7b67:b574
123.103.181.117 0:0:0:0:0:ffff:7b67:b575
123.103.181.118 0:0:0:0:0:ffff:7b67:b576
123.103.181.119 0:0:0:0:0:ffff:7b67:b577
123.103.181.120 0:0:0:0:0:ffff:7b67:b578


123.103.181.121 0:0:0:0:0:ffff:7b67:b579
123.103.181.122 0:0:0:0:0:ffff:7b67:b57a
123.103.181.123 0:0:0:0:0:ffff:7b67:b57b
123.103.181.124 0:0:0:0:0:ffff:7b67:b57c
123.103.181.125 0:0:0:0:0:ffff:7b67:b57d
123.103.181.126 0:0:0:0:0:ffff:7b67:b57e
123.103.181.127 0:0:0:0:0:ffff:7b67:b57f
123.103.181.128 0:0:0:0:0:ffff:7b67:b580
123.103.181.129 0:0:0:0:0:ffff:7b67:b581
123.103.181.130 0:0:0:0:0:ffff:7b67:b582
123.103.181.131 0:0:0:0:0:ffff:7b67:b583
123.103.181.132 0:0:0:0:0:ffff:7b67:b584
123.103.181.133 0:0:0:0:0:ffff:7b67:b585
123.103.181.134 0:0:0:0:0:ffff:7b67:b586
123.103.181.135 0:0:0:0:0:ffff:7b67:b587
123.103.181.136 0:0:0:0:0:ffff:7b67:b588
123.103.181.137 0:0:0:0:0:ffff:7b67:b589
123.103.181.138 0:0:0:0:0:ffff:7b67:b58a
123.103.181.139 0:0:0:0:0:ffff:7b67:b58b
123.103.181.140 0:0:0:0:0:ffff:7b67:b58c
123.103.181.141 0:0:0:0:0:ffff:7b67:b58d
123.103.181.142 0:0:0:0:0:ffff:7b67:b58e
123.103.181.143 0:0:0:0:0:ffff:7b67:b58f
123.103.181.144 0:0:0:0:0:ffff:7b67:b590
123.103.181.145 0:0:0:0:0:ffff:7b67:b591
123.103.181.146 0:0:0:0:0:ffff:7b67:b592
123.103.181.147 0:0:0:0:0:ffff:7b67:b593
123.103.181.148 0:0:0:0:0:ffff:7b67:b594
123.103.181.149 0:0:0:0:0:ffff:7b67:b595
123.103.181.150 0:0:0:0:0:ffff:7b67:b596
123.103.181.151 0:0:0:0:0:ffff:7b67:b597
123.103.181.152 0:0:0:0:0:ffff:7b67:b598
123.103.181.153 0:0:0:0:0:ffff:7b67:b599
123.103.181.154 0:0:0:0:0:ffff:7b67:b59a
123.103.181.155 0:0:0:0:0:ffff:7b67:b59b
123.103.181.156 0:0:0:0:0:ffff:7b67:b59c
123.103.181.157 0:0:0:0:0:ffff:7b67:b59d
123.103.181.158 0:0:0:0:0:ffff:7b67:b59e
123.103.181.159 0:0:0:0:0:ffff:7b67:b59f
123.103.181.160 0:0:0:0:0:ffff:7b67:b5a0
123.103.181.161 0:0:0:0:0:ffff:7b67:b5a1
123.103.181.162 0:0:0:0:0:ffff:7b67:b5a2
123.103.181.163 0:0:0:0:0:ffff:7b67:b5a3
123.103.181.164 0:0:0:0:0:ffff:7b67:b5a4
123.103.181.165 0:0:0:0:0:ffff:7b67:b5a5
123.103.181.166 0:0:0:0:0:ffff:7b67:b5a6
123.103.181.167 0:0:0:0:0:ffff:7b67:b5a7
123.103.181.168 0:0:0:0:0:ffff:7b67:b5a8
123.103.181.169 0:0:0:0:0:ffff:7b67:b5a9
123.103.181.170 0:0:0:0:0:ffff:7b67:b5aa
123.103.181.171 0:0:0:0:0:ffff:7b67:b5ab
123.103.181.172 0:0:0:0:0:ffff:7b67:b5ac
123.103.181.173 0:0:0:0:0:ffff:7b67:b5ad
123.103.181.174 0:0:0:0:0:ffff:7b67:b5ae
123.103.181.175 0:0:0:0:0:ffff:7b67:b5af
123.103.181.176 0:0:0:0:0:ffff:7b67:b5b0
123.103.181.177 0:0:0:0:0:ffff:7b67:b5b1
123.103.181.178 0:0:0:0:0:ffff:7b67:b5b2
123.103.181.179 0:0:0:0:0:ffff:7b67:b5b3
123.103.181.180 0:0:0:0:0:ffff:7b67:b5b4


123.103.181.181 0:0:0:0:0:ffff:7b67:b5b5
123.103.181.182 0:0:0:0:0:ffff:7b67:b5b6
123.103.181.183 0:0:0:0:0:ffff:7b67:b5b7
123.103.181.184 0:0:0:0:0:ffff:7b67:b5b8
123.103.181.185 0:0:0:0:0:ffff:7b67:b5b9
123.103.181.186 0:0:0:0:0:ffff:7b67:b5ba
123.103.181.187 0:0:0:0:0:ffff:7b67:b5bb
123.103.181.188 0:0:0:0:0:ffff:7b67:b5bc
123.103.181.189 0:0:0:0:0:ffff:7b67:b5bd
123.103.181.190 0:0:0:0:0:ffff:7b67:b5be
123.103.181.191 0:0:0:0:0:ffff:7b67:b5bf
123.103.181.192 0:0:0:0:0:ffff:7b67:b5c0
123.103.181.193 0:0:0:0:0:ffff:7b67:b5c1
123.103.181.194 0:0:0:0:0:ffff:7b67:b5c2
123.103.181.195 0:0:0:0:0:ffff:7b67:b5c3
123.103.181.196 0:0:0:0:0:ffff:7b67:b5c4
123.103.181.197 0:0:0:0:0:ffff:7b67:b5c5
123.103.181.198 0:0:0:0:0:ffff:7b67:b5c6
123.103.181.199 0:0:0:0:0:ffff:7b67:b5c7
123.103.181.200 0:0:0:0:0:ffff:7b67:b5c8
123.103.181.201 0:0:0:0:0:ffff:7b67:b5c9
123.103.181.202 0:0:0:0:0:ffff:7b67:b5ca
123.103.181.203 0:0:0:0:0:ffff:7b67:b5cb
123.103.181.204 0:0:0:0:0:ffff:7b67:b5cc
123.103.181.205 0:0:0:0:0:ffff:7b67:b5cd
123.103.181.206 0:0:0:0:0:ffff:7b67:b5ce
123.103.181.207 0:0:0:0:0:ffff:7b67:b5cf
123.103.181.208 0:0:0:0:0:ffff:7b67:b5d0
123.103.181.209 0:0:0:0:0:ffff:7b67:b5d1
123.103.181.210 0:0:0:0:0:ffff:7b67:b5d2
123.103.181.211 0:0:0:0:0:ffff:7b67:b5d3
123.103.181.212 0:0:0:0:0:ffff:7b67:b5d4
123.103.181.213 0:0:0:0:0:ffff:7b67:b5d5
123.103.181.214 0:0:0:0:0:ffff:7b67:b5d6
123.103.181.215 0:0:0:0:0:ffff:7b67:b5d7
123.103.181.216 0:0:0:0:0:ffff:7b67:b5d8
123.103.181.217 0:0:0:0:0:ffff:7b67:b5d9
123.103.181.218 0:0:0:0:0:ffff:7b67:b5da
123.103.181.219 0:0:0:0:0:ffff:7b67:b5db
123.103.181.220 0:0:0:0:0:ffff:7b67:b5dc
123.103.181.221 0:0:0:0:0:ffff:7b67:b5dd
123.103.181.222 0:0:0:0:0:ffff:7b67:b5de
123.103.181.223 0:0:0:0:0:ffff:7b67:b5df
123.103.181.224 0:0:0:0:0:ffff:7b67:b5e0
123.103.181.225 0:0:0:0:0:ffff:7b67:b5e1
123.103.181.226 0:0:0:0:0:ffff:7b67:b5e2
123.103.181.227 0:0:0:0:0:ffff:7b67:b5e3
123.103.181.228 0:0:0:0:0:ffff:7b67:b5e4
123.103.181.229 0:0:0:0:0:ffff:7b67:b5e5
123.103.181.230 0:0:0:0:0:ffff:7b67:b5e6
123.103.181.231 0:0:0:0:0:ffff:7b67:b5e7
123.103.181.232 0:0:0:0:0:ffff:7b67:b5e8
123.103.181.233 0:0:0:0:0:ffff:7b67:b5e9
123.103.181.234 0:0:0:0:0:ffff:7b67:b5ea
123.103.181.235 0:0:0:0:0:ffff:7b67:b5eb
123.103.181.236 0:0:0:0:0:ffff:7b67:b5ec
123.103.181.237 0:0:0:0:0:ffff:7b67:b5ed
123.103.181.238 0:0:0:0:0:ffff:7b67:b5ee
123.103.181.239 0:0:0:0:0:ffff:7b67:b5ef
123.103.181.240 0:0:0:0:0:ffff:7b67:b5f0
123.103.181.241 0:0:0:0:0:ffff:7b67:b5f1
123.103.181.242 0:0:0:0:0:ffff:7b67:b5f2
123.103.181.243 0:0:0:0:0:ffff:7b67:b5f3
123.103.181.244 0:0:0:0:0:ffff:7b67:b5f4
123.103.181.245 0:0:0:0:0:ffff:7b67:b5f5
123.103.181.246 0:0:0:0:0:ffff:7b67:b5f6
123.103.181.247 0:0:0:0:0:ffff:7b67:b5f7
123.103.181.248 0:0:0:0:0:ffff:7b67:b5f8
123.103.181.249 0:0:0:0:0:ffff:7b67:b5f9
123.103.181.250 0:0:0:0:0:ffff:7b67:b5fa
123.103.181.251 0:0:0:0:0:ffff:7b67:b5fb
123.103.181.252 0:0:0:0:0:ffff:7b67:b5fc
123.103.181.253 0:0:0:0:0:ffff:7b67:b5fd
123.103.181.254 0:0:0:0:0:ffff:7b67:b5fe
123.103.181.255 0:0:0:0:0:ffff:7b67:b5ff


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.