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
123.215.165.1 0:0:0:0:0:ffff:7bd7:a501
123.215.165.2 0:0:0:0:0:ffff:7bd7:a502
123.215.165.3 0:0:0:0:0:ffff:7bd7:a503
123.215.165.4 0:0:0:0:0:ffff:7bd7:a504
123.215.165.5 0:0:0:0:0:ffff:7bd7:a505
123.215.165.6 0:0:0:0:0:ffff:7bd7:a506
123.215.165.7 0:0:0:0:0:ffff:7bd7:a507
123.215.165.8 0:0:0:0:0:ffff:7bd7:a508
123.215.165.9 0:0:0:0:0:ffff:7bd7:a509
123.215.165.10 0:0:0:0:0:ffff:7bd7:a50a
123.215.165.11 0:0:0:0:0:ffff:7bd7:a50b
123.215.165.12 0:0:0:0:0:ffff:7bd7:a50c
123.215.165.13 0:0:0:0:0:ffff:7bd7:a50d
123.215.165.14 0:0:0:0:0:ffff:7bd7:a50e
123.215.165.15 0:0:0:0:0:ffff:7bd7:a50f
123.215.165.16 0:0:0:0:0:ffff:7bd7:a510
123.215.165.17 0:0:0:0:0:ffff:7bd7:a511
123.215.165.18 0:0:0:0:0:ffff:7bd7:a512
123.215.165.19 0:0:0:0:0:ffff:7bd7:a513
123.215.165.20 0:0:0:0:0:ffff:7bd7:a514
123.215.165.21 0:0:0:0:0:ffff:7bd7:a515
123.215.165.22 0:0:0:0:0:ffff:7bd7:a516
123.215.165.23 0:0:0:0:0:ffff:7bd7:a517
123.215.165.24 0:0:0:0:0:ffff:7bd7:a518
123.215.165.25 0:0:0:0:0:ffff:7bd7:a519
123.215.165.26 0:0:0:0:0:ffff:7bd7:a51a
123.215.165.27 0:0:0:0:0:ffff:7bd7:a51b
123.215.165.28 0:0:0:0:0:ffff:7bd7:a51c
123.215.165.29 0:0:0:0:0:ffff:7bd7:a51d
123.215.165.30 0:0:0:0:0:ffff:7bd7:a51e
123.215.165.31 0:0:0:0:0:ffff:7bd7:a51f
123.215.165.32 0:0:0:0:0:ffff:7bd7:a520
123.215.165.33 0:0:0:0:0:ffff:7bd7:a521
123.215.165.34 0:0:0:0:0:ffff:7bd7:a522
123.215.165.35 0:0:0:0:0:ffff:7bd7:a523
123.215.165.36 0:0:0:0:0:ffff:7bd7:a524
123.215.165.37 0:0:0:0:0:ffff:7bd7:a525
123.215.165.38 0:0:0:0:0:ffff:7bd7:a526
123.215.165.39 0:0:0:0:0:ffff:7bd7:a527
123.215.165.40 0:0:0:0:0:ffff:7bd7:a528
123.215.165.41 0:0:0:0:0:ffff:7bd7:a529
123.215.165.42 0:0:0:0:0:ffff:7bd7:a52a
123.215.165.43 0:0:0:0:0:ffff:7bd7:a52b
123.215.165.44 0:0:0:0:0:ffff:7bd7:a52c
123.215.165.45 0:0:0:0:0:ffff:7bd7:a52d
123.215.165.46 0:0:0:0:0:ffff:7bd7:a52e
123.215.165.47 0:0:0:0:0:ffff:7bd7:a52f
123.215.165.48 0:0:0:0:0:ffff:7bd7:a530
123.215.165.49 0:0:0:0:0:ffff:7bd7:a531
123.215.165.50 0:0:0:0:0:ffff:7bd7:a532
123.215.165.51 0:0:0:0:0:ffff:7bd7:a533
123.215.165.52 0:0:0:0:0:ffff:7bd7:a534
123.215.165.53 0:0:0:0:0:ffff:7bd7:a535
123.215.165.54 0:0:0:0:0:ffff:7bd7:a536
123.215.165.55 0:0:0:0:0:ffff:7bd7:a537
123.215.165.56 0:0:0:0:0:ffff:7bd7:a538
123.215.165.57 0:0:0:0:0:ffff:7bd7:a539
123.215.165.58 0:0:0:0:0:ffff:7bd7:a53a
123.215.165.59 0:0:0:0:0:ffff:7bd7:a53b
123.215.165.60 0:0:0:0:0:ffff:7bd7:a53c


123.215.165.61 0:0:0:0:0:ffff:7bd7:a53d
123.215.165.62 0:0:0:0:0:ffff:7bd7:a53e
123.215.165.63 0:0:0:0:0:ffff:7bd7:a53f
123.215.165.64 0:0:0:0:0:ffff:7bd7:a540
123.215.165.65 0:0:0:0:0:ffff:7bd7:a541
123.215.165.66 0:0:0:0:0:ffff:7bd7:a542
123.215.165.67 0:0:0:0:0:ffff:7bd7:a543
123.215.165.68 0:0:0:0:0:ffff:7bd7:a544
123.215.165.69 0:0:0:0:0:ffff:7bd7:a545
123.215.165.70 0:0:0:0:0:ffff:7bd7:a546
123.215.165.71 0:0:0:0:0:ffff:7bd7:a547
123.215.165.72 0:0:0:0:0:ffff:7bd7:a548
123.215.165.73 0:0:0:0:0:ffff:7bd7:a549
123.215.165.74 0:0:0:0:0:ffff:7bd7:a54a
123.215.165.75 0:0:0:0:0:ffff:7bd7:a54b
123.215.165.76 0:0:0:0:0:ffff:7bd7:a54c
123.215.165.77 0:0:0:0:0:ffff:7bd7:a54d
123.215.165.78 0:0:0:0:0:ffff:7bd7:a54e
123.215.165.79 0:0:0:0:0:ffff:7bd7:a54f
123.215.165.80 0:0:0:0:0:ffff:7bd7:a550
123.215.165.81 0:0:0:0:0:ffff:7bd7:a551
123.215.165.82 0:0:0:0:0:ffff:7bd7:a552
123.215.165.83 0:0:0:0:0:ffff:7bd7:a553
123.215.165.84 0:0:0:0:0:ffff:7bd7:a554
123.215.165.85 0:0:0:0:0:ffff:7bd7:a555
123.215.165.86 0:0:0:0:0:ffff:7bd7:a556
123.215.165.87 0:0:0:0:0:ffff:7bd7:a557
123.215.165.88 0:0:0:0:0:ffff:7bd7:a558
123.215.165.89 0:0:0:0:0:ffff:7bd7:a559
123.215.165.90 0:0:0:0:0:ffff:7bd7:a55a
123.215.165.91 0:0:0:0:0:ffff:7bd7:a55b
123.215.165.92 0:0:0:0:0:ffff:7bd7:a55c
123.215.165.93 0:0:0:0:0:ffff:7bd7:a55d
123.215.165.94 0:0:0:0:0:ffff:7bd7:a55e
123.215.165.95 0:0:0:0:0:ffff:7bd7:a55f
123.215.165.96 0:0:0:0:0:ffff:7bd7:a560
123.215.165.97 0:0:0:0:0:ffff:7bd7:a561
123.215.165.98 0:0:0:0:0:ffff:7bd7:a562
123.215.165.99 0:0:0:0:0:ffff:7bd7:a563
123.215.165.100 0:0:0:0:0:ffff:7bd7:a564
123.215.165.101 0:0:0:0:0:ffff:7bd7:a565
123.215.165.102 0:0:0:0:0:ffff:7bd7:a566
123.215.165.103 0:0:0:0:0:ffff:7bd7:a567
123.215.165.104 0:0:0:0:0:ffff:7bd7:a568
123.215.165.105 0:0:0:0:0:ffff:7bd7:a569
123.215.165.106 0:0:0:0:0:ffff:7bd7:a56a
123.215.165.107 0:0:0:0:0:ffff:7bd7:a56b
123.215.165.108 0:0:0:0:0:ffff:7bd7:a56c
123.215.165.109 0:0:0:0:0:ffff:7bd7:a56d
123.215.165.110 0:0:0:0:0:ffff:7bd7:a56e
123.215.165.111 0:0:0:0:0:ffff:7bd7:a56f
123.215.165.112 0:0:0:0:0:ffff:7bd7:a570
123.215.165.113 0:0:0:0:0:ffff:7bd7:a571
123.215.165.114 0:0:0:0:0:ffff:7bd7:a572
123.215.165.115 0:0:0:0:0:ffff:7bd7:a573
123.215.165.116 0:0:0:0:0:ffff:7bd7:a574
123.215.165.117 0:0:0:0:0:ffff:7bd7:a575
123.215.165.118 0:0:0:0:0:ffff:7bd7:a576
123.215.165.119 0:0:0:0:0:ffff:7bd7:a577
123.215.165.120 0:0:0:0:0:ffff:7bd7:a578


123.215.165.121 0:0:0:0:0:ffff:7bd7:a579
123.215.165.122 0:0:0:0:0:ffff:7bd7:a57a
123.215.165.123 0:0:0:0:0:ffff:7bd7:a57b
123.215.165.124 0:0:0:0:0:ffff:7bd7:a57c
123.215.165.125 0:0:0:0:0:ffff:7bd7:a57d
123.215.165.126 0:0:0:0:0:ffff:7bd7:a57e
123.215.165.127 0:0:0:0:0:ffff:7bd7:a57f
123.215.165.128 0:0:0:0:0:ffff:7bd7:a580
123.215.165.129 0:0:0:0:0:ffff:7bd7:a581
123.215.165.130 0:0:0:0:0:ffff:7bd7:a582
123.215.165.131 0:0:0:0:0:ffff:7bd7:a583
123.215.165.132 0:0:0:0:0:ffff:7bd7:a584
123.215.165.133 0:0:0:0:0:ffff:7bd7:a585
123.215.165.134 0:0:0:0:0:ffff:7bd7:a586
123.215.165.135 0:0:0:0:0:ffff:7bd7:a587
123.215.165.136 0:0:0:0:0:ffff:7bd7:a588
123.215.165.137 0:0:0:0:0:ffff:7bd7:a589
123.215.165.138 0:0:0:0:0:ffff:7bd7:a58a
123.215.165.139 0:0:0:0:0:ffff:7bd7:a58b
123.215.165.140 0:0:0:0:0:ffff:7bd7:a58c
123.215.165.141 0:0:0:0:0:ffff:7bd7:a58d
123.215.165.142 0:0:0:0:0:ffff:7bd7:a58e
123.215.165.143 0:0:0:0:0:ffff:7bd7:a58f
123.215.165.144 0:0:0:0:0:ffff:7bd7:a590
123.215.165.145 0:0:0:0:0:ffff:7bd7:a591
123.215.165.146 0:0:0:0:0:ffff:7bd7:a592
123.215.165.147 0:0:0:0:0:ffff:7bd7:a593
123.215.165.148 0:0:0:0:0:ffff:7bd7:a594
123.215.165.149 0:0:0:0:0:ffff:7bd7:a595
123.215.165.150 0:0:0:0:0:ffff:7bd7:a596
123.215.165.151 0:0:0:0:0:ffff:7bd7:a597
123.215.165.152 0:0:0:0:0:ffff:7bd7:a598
123.215.165.153 0:0:0:0:0:ffff:7bd7:a599
123.215.165.154 0:0:0:0:0:ffff:7bd7:a59a
123.215.165.155 0:0:0:0:0:ffff:7bd7:a59b
123.215.165.156 0:0:0:0:0:ffff:7bd7:a59c
123.215.165.157 0:0:0:0:0:ffff:7bd7:a59d
123.215.165.158 0:0:0:0:0:ffff:7bd7:a59e
123.215.165.159 0:0:0:0:0:ffff:7bd7:a59f
123.215.165.160 0:0:0:0:0:ffff:7bd7:a5a0
123.215.165.161 0:0:0:0:0:ffff:7bd7:a5a1
123.215.165.162 0:0:0:0:0:ffff:7bd7:a5a2
123.215.165.163 0:0:0:0:0:ffff:7bd7:a5a3
123.215.165.164 0:0:0:0:0:ffff:7bd7:a5a4
123.215.165.165 0:0:0:0:0:ffff:7bd7:a5a5
123.215.165.166 0:0:0:0:0:ffff:7bd7:a5a6
123.215.165.167 0:0:0:0:0:ffff:7bd7:a5a7
123.215.165.168 0:0:0:0:0:ffff:7bd7:a5a8
123.215.165.169 0:0:0:0:0:ffff:7bd7:a5a9
123.215.165.170 0:0:0:0:0:ffff:7bd7:a5aa
123.215.165.171 0:0:0:0:0:ffff:7bd7:a5ab
123.215.165.172 0:0:0:0:0:ffff:7bd7:a5ac
123.215.165.173 0:0:0:0:0:ffff:7bd7:a5ad
123.215.165.174 0:0:0:0:0:ffff:7bd7:a5ae
123.215.165.175 0:0:0:0:0:ffff:7bd7:a5af
123.215.165.176 0:0:0:0:0:ffff:7bd7:a5b0
123.215.165.177 0:0:0:0:0:ffff:7bd7:a5b1
123.215.165.178 0:0:0:0:0:ffff:7bd7:a5b2
123.215.165.179 0:0:0:0:0:ffff:7bd7:a5b3
123.215.165.180 0:0:0:0:0:ffff:7bd7:a5b4


123.215.165.181 0:0:0:0:0:ffff:7bd7:a5b5
123.215.165.182 0:0:0:0:0:ffff:7bd7:a5b6
123.215.165.183 0:0:0:0:0:ffff:7bd7:a5b7
123.215.165.184 0:0:0:0:0:ffff:7bd7:a5b8
123.215.165.185 0:0:0:0:0:ffff:7bd7:a5b9
123.215.165.186 0:0:0:0:0:ffff:7bd7:a5ba
123.215.165.187 0:0:0:0:0:ffff:7bd7:a5bb
123.215.165.188 0:0:0:0:0:ffff:7bd7:a5bc
123.215.165.189 0:0:0:0:0:ffff:7bd7:a5bd
123.215.165.190 0:0:0:0:0:ffff:7bd7:a5be
123.215.165.191 0:0:0:0:0:ffff:7bd7:a5bf
123.215.165.192 0:0:0:0:0:ffff:7bd7:a5c0
123.215.165.193 0:0:0:0:0:ffff:7bd7:a5c1
123.215.165.194 0:0:0:0:0:ffff:7bd7:a5c2
123.215.165.195 0:0:0:0:0:ffff:7bd7:a5c3
123.215.165.196 0:0:0:0:0:ffff:7bd7:a5c4
123.215.165.197 0:0:0:0:0:ffff:7bd7:a5c5
123.215.165.198 0:0:0:0:0:ffff:7bd7:a5c6
123.215.165.199 0:0:0:0:0:ffff:7bd7:a5c7
123.215.165.200 0:0:0:0:0:ffff:7bd7:a5c8
123.215.165.201 0:0:0:0:0:ffff:7bd7:a5c9
123.215.165.202 0:0:0:0:0:ffff:7bd7:a5ca
123.215.165.203 0:0:0:0:0:ffff:7bd7:a5cb
123.215.165.204 0:0:0:0:0:ffff:7bd7:a5cc
123.215.165.205 0:0:0:0:0:ffff:7bd7:a5cd
123.215.165.206 0:0:0:0:0:ffff:7bd7:a5ce
123.215.165.207 0:0:0:0:0:ffff:7bd7:a5cf
123.215.165.208 0:0:0:0:0:ffff:7bd7:a5d0
123.215.165.209 0:0:0:0:0:ffff:7bd7:a5d1
123.215.165.210 0:0:0:0:0:ffff:7bd7:a5d2
123.215.165.211 0:0:0:0:0:ffff:7bd7:a5d3
123.215.165.212 0:0:0:0:0:ffff:7bd7:a5d4
123.215.165.213 0:0:0:0:0:ffff:7bd7:a5d5
123.215.165.214 0:0:0:0:0:ffff:7bd7:a5d6
123.215.165.215 0:0:0:0:0:ffff:7bd7:a5d7
123.215.165.216 0:0:0:0:0:ffff:7bd7:a5d8
123.215.165.217 0:0:0:0:0:ffff:7bd7:a5d9
123.215.165.218 0:0:0:0:0:ffff:7bd7:a5da
123.215.165.219 0:0:0:0:0:ffff:7bd7:a5db
123.215.165.220 0:0:0:0:0:ffff:7bd7:a5dc
123.215.165.221 0:0:0:0:0:ffff:7bd7:a5dd
123.215.165.222 0:0:0:0:0:ffff:7bd7:a5de
123.215.165.223 0:0:0:0:0:ffff:7bd7:a5df
123.215.165.224 0:0:0:0:0:ffff:7bd7:a5e0
123.215.165.225 0:0:0:0:0:ffff:7bd7:a5e1
123.215.165.226 0:0:0:0:0:ffff:7bd7:a5e2
123.215.165.227 0:0:0:0:0:ffff:7bd7:a5e3
123.215.165.228 0:0:0:0:0:ffff:7bd7:a5e4
123.215.165.229 0:0:0:0:0:ffff:7bd7:a5e5
123.215.165.230 0:0:0:0:0:ffff:7bd7:a5e6
123.215.165.231 0:0:0:0:0:ffff:7bd7:a5e7
123.215.165.232 0:0:0:0:0:ffff:7bd7:a5e8
123.215.165.233 0:0:0:0:0:ffff:7bd7:a5e9
123.215.165.234 0:0:0:0:0:ffff:7bd7:a5ea
123.215.165.235 0:0:0:0:0:ffff:7bd7:a5eb
123.215.165.236 0:0:0:0:0:ffff:7bd7:a5ec
123.215.165.237 0:0:0:0:0:ffff:7bd7:a5ed
123.215.165.238 0:0:0:0:0:ffff:7bd7:a5ee
123.215.165.239 0:0:0:0:0:ffff:7bd7:a5ef
123.215.165.240 0:0:0:0:0:ffff:7bd7:a5f0
123.215.165.241 0:0:0:0:0:ffff:7bd7:a5f1
123.215.165.242 0:0:0:0:0:ffff:7bd7:a5f2
123.215.165.243 0:0:0:0:0:ffff:7bd7:a5f3
123.215.165.244 0:0:0:0:0:ffff:7bd7:a5f4
123.215.165.245 0:0:0:0:0:ffff:7bd7:a5f5
123.215.165.246 0:0:0:0:0:ffff:7bd7:a5f6
123.215.165.247 0:0:0:0:0:ffff:7bd7:a5f7
123.215.165.248 0:0:0:0:0:ffff:7bd7:a5f8
123.215.165.249 0:0:0:0:0:ffff:7bd7:a5f9
123.215.165.250 0:0:0:0:0:ffff:7bd7:a5fa
123.215.165.251 0:0:0:0:0:ffff:7bd7:a5fb
123.215.165.252 0:0:0:0:0:ffff:7bd7:a5fc
123.215.165.253 0:0:0:0:0:ffff:7bd7:a5fd
123.215.165.254 0:0:0:0:0:ffff:7bd7:a5fe
123.215.165.255 0:0:0:0:0:ffff:7bd7:a5ff


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.