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
231.85.181.1 0:0:0:0:0:ffff:e755:b501
231.85.181.2 0:0:0:0:0:ffff:e755:b502
231.85.181.3 0:0:0:0:0:ffff:e755:b503
231.85.181.4 0:0:0:0:0:ffff:e755:b504
231.85.181.5 0:0:0:0:0:ffff:e755:b505
231.85.181.6 0:0:0:0:0:ffff:e755:b506
231.85.181.7 0:0:0:0:0:ffff:e755:b507
231.85.181.8 0:0:0:0:0:ffff:e755:b508
231.85.181.9 0:0:0:0:0:ffff:e755:b509
231.85.181.10 0:0:0:0:0:ffff:e755:b50a
231.85.181.11 0:0:0:0:0:ffff:e755:b50b
231.85.181.12 0:0:0:0:0:ffff:e755:b50c
231.85.181.13 0:0:0:0:0:ffff:e755:b50d
231.85.181.14 0:0:0:0:0:ffff:e755:b50e
231.85.181.15 0:0:0:0:0:ffff:e755:b50f
231.85.181.16 0:0:0:0:0:ffff:e755:b510
231.85.181.17 0:0:0:0:0:ffff:e755:b511
231.85.181.18 0:0:0:0:0:ffff:e755:b512
231.85.181.19 0:0:0:0:0:ffff:e755:b513
231.85.181.20 0:0:0:0:0:ffff:e755:b514
231.85.181.21 0:0:0:0:0:ffff:e755:b515
231.85.181.22 0:0:0:0:0:ffff:e755:b516
231.85.181.23 0:0:0:0:0:ffff:e755:b517
231.85.181.24 0:0:0:0:0:ffff:e755:b518
231.85.181.25 0:0:0:0:0:ffff:e755:b519
231.85.181.26 0:0:0:0:0:ffff:e755:b51a
231.85.181.27 0:0:0:0:0:ffff:e755:b51b
231.85.181.28 0:0:0:0:0:ffff:e755:b51c
231.85.181.29 0:0:0:0:0:ffff:e755:b51d
231.85.181.30 0:0:0:0:0:ffff:e755:b51e
231.85.181.31 0:0:0:0:0:ffff:e755:b51f
231.85.181.32 0:0:0:0:0:ffff:e755:b520
231.85.181.33 0:0:0:0:0:ffff:e755:b521
231.85.181.34 0:0:0:0:0:ffff:e755:b522
231.85.181.35 0:0:0:0:0:ffff:e755:b523
231.85.181.36 0:0:0:0:0:ffff:e755:b524
231.85.181.37 0:0:0:0:0:ffff:e755:b525
231.85.181.38 0:0:0:0:0:ffff:e755:b526
231.85.181.39 0:0:0:0:0:ffff:e755:b527
231.85.181.40 0:0:0:0:0:ffff:e755:b528
231.85.181.41 0:0:0:0:0:ffff:e755:b529
231.85.181.42 0:0:0:0:0:ffff:e755:b52a
231.85.181.43 0:0:0:0:0:ffff:e755:b52b
231.85.181.44 0:0:0:0:0:ffff:e755:b52c
231.85.181.45 0:0:0:0:0:ffff:e755:b52d
231.85.181.46 0:0:0:0:0:ffff:e755:b52e
231.85.181.47 0:0:0:0:0:ffff:e755:b52f
231.85.181.48 0:0:0:0:0:ffff:e755:b530
231.85.181.49 0:0:0:0:0:ffff:e755:b531
231.85.181.50 0:0:0:0:0:ffff:e755:b532
231.85.181.51 0:0:0:0:0:ffff:e755:b533
231.85.181.52 0:0:0:0:0:ffff:e755:b534
231.85.181.53 0:0:0:0:0:ffff:e755:b535
231.85.181.54 0:0:0:0:0:ffff:e755:b536
231.85.181.55 0:0:0:0:0:ffff:e755:b537
231.85.181.56 0:0:0:0:0:ffff:e755:b538
231.85.181.57 0:0:0:0:0:ffff:e755:b539
231.85.181.58 0:0:0:0:0:ffff:e755:b53a
231.85.181.59 0:0:0:0:0:ffff:e755:b53b
231.85.181.60 0:0:0:0:0:ffff:e755:b53c


231.85.181.61 0:0:0:0:0:ffff:e755:b53d
231.85.181.62 0:0:0:0:0:ffff:e755:b53e
231.85.181.63 0:0:0:0:0:ffff:e755:b53f
231.85.181.64 0:0:0:0:0:ffff:e755:b540
231.85.181.65 0:0:0:0:0:ffff:e755:b541
231.85.181.66 0:0:0:0:0:ffff:e755:b542
231.85.181.67 0:0:0:0:0:ffff:e755:b543
231.85.181.68 0:0:0:0:0:ffff:e755:b544
231.85.181.69 0:0:0:0:0:ffff:e755:b545
231.85.181.70 0:0:0:0:0:ffff:e755:b546
231.85.181.71 0:0:0:0:0:ffff:e755:b547
231.85.181.72 0:0:0:0:0:ffff:e755:b548
231.85.181.73 0:0:0:0:0:ffff:e755:b549
231.85.181.74 0:0:0:0:0:ffff:e755:b54a
231.85.181.75 0:0:0:0:0:ffff:e755:b54b
231.85.181.76 0:0:0:0:0:ffff:e755:b54c
231.85.181.77 0:0:0:0:0:ffff:e755:b54d
231.85.181.78 0:0:0:0:0:ffff:e755:b54e
231.85.181.79 0:0:0:0:0:ffff:e755:b54f
231.85.181.80 0:0:0:0:0:ffff:e755:b550
231.85.181.81 0:0:0:0:0:ffff:e755:b551
231.85.181.82 0:0:0:0:0:ffff:e755:b552
231.85.181.83 0:0:0:0:0:ffff:e755:b553
231.85.181.84 0:0:0:0:0:ffff:e755:b554
231.85.181.85 0:0:0:0:0:ffff:e755:b555
231.85.181.86 0:0:0:0:0:ffff:e755:b556
231.85.181.87 0:0:0:0:0:ffff:e755:b557
231.85.181.88 0:0:0:0:0:ffff:e755:b558
231.85.181.89 0:0:0:0:0:ffff:e755:b559
231.85.181.90 0:0:0:0:0:ffff:e755:b55a
231.85.181.91 0:0:0:0:0:ffff:e755:b55b
231.85.181.92 0:0:0:0:0:ffff:e755:b55c
231.85.181.93 0:0:0:0:0:ffff:e755:b55d
231.85.181.94 0:0:0:0:0:ffff:e755:b55e
231.85.181.95 0:0:0:0:0:ffff:e755:b55f
231.85.181.96 0:0:0:0:0:ffff:e755:b560
231.85.181.97 0:0:0:0:0:ffff:e755:b561
231.85.181.98 0:0:0:0:0:ffff:e755:b562
231.85.181.99 0:0:0:0:0:ffff:e755:b563
231.85.181.100 0:0:0:0:0:ffff:e755:b564
231.85.181.101 0:0:0:0:0:ffff:e755:b565
231.85.181.102 0:0:0:0:0:ffff:e755:b566
231.85.181.103 0:0:0:0:0:ffff:e755:b567
231.85.181.104 0:0:0:0:0:ffff:e755:b568
231.85.181.105 0:0:0:0:0:ffff:e755:b569
231.85.181.106 0:0:0:0:0:ffff:e755:b56a
231.85.181.107 0:0:0:0:0:ffff:e755:b56b
231.85.181.108 0:0:0:0:0:ffff:e755:b56c
231.85.181.109 0:0:0:0:0:ffff:e755:b56d
231.85.181.110 0:0:0:0:0:ffff:e755:b56e
231.85.181.111 0:0:0:0:0:ffff:e755:b56f
231.85.181.112 0:0:0:0:0:ffff:e755:b570
231.85.181.113 0:0:0:0:0:ffff:e755:b571
231.85.181.114 0:0:0:0:0:ffff:e755:b572
231.85.181.115 0:0:0:0:0:ffff:e755:b573
231.85.181.116 0:0:0:0:0:ffff:e755:b574
231.85.181.117 0:0:0:0:0:ffff:e755:b575
231.85.181.118 0:0:0:0:0:ffff:e755:b576
231.85.181.119 0:0:0:0:0:ffff:e755:b577
231.85.181.120 0:0:0:0:0:ffff:e755:b578


231.85.181.121 0:0:0:0:0:ffff:e755:b579
231.85.181.122 0:0:0:0:0:ffff:e755:b57a
231.85.181.123 0:0:0:0:0:ffff:e755:b57b
231.85.181.124 0:0:0:0:0:ffff:e755:b57c
231.85.181.125 0:0:0:0:0:ffff:e755:b57d
231.85.181.126 0:0:0:0:0:ffff:e755:b57e
231.85.181.127 0:0:0:0:0:ffff:e755:b57f
231.85.181.128 0:0:0:0:0:ffff:e755:b580
231.85.181.129 0:0:0:0:0:ffff:e755:b581
231.85.181.130 0:0:0:0:0:ffff:e755:b582
231.85.181.131 0:0:0:0:0:ffff:e755:b583
231.85.181.132 0:0:0:0:0:ffff:e755:b584
231.85.181.133 0:0:0:0:0:ffff:e755:b585
231.85.181.134 0:0:0:0:0:ffff:e755:b586
231.85.181.135 0:0:0:0:0:ffff:e755:b587
231.85.181.136 0:0:0:0:0:ffff:e755:b588
231.85.181.137 0:0:0:0:0:ffff:e755:b589
231.85.181.138 0:0:0:0:0:ffff:e755:b58a
231.85.181.139 0:0:0:0:0:ffff:e755:b58b
231.85.181.140 0:0:0:0:0:ffff:e755:b58c
231.85.181.141 0:0:0:0:0:ffff:e755:b58d
231.85.181.142 0:0:0:0:0:ffff:e755:b58e
231.85.181.143 0:0:0:0:0:ffff:e755:b58f
231.85.181.144 0:0:0:0:0:ffff:e755:b590
231.85.181.145 0:0:0:0:0:ffff:e755:b591
231.85.181.146 0:0:0:0:0:ffff:e755:b592
231.85.181.147 0:0:0:0:0:ffff:e755:b593
231.85.181.148 0:0:0:0:0:ffff:e755:b594
231.85.181.149 0:0:0:0:0:ffff:e755:b595
231.85.181.150 0:0:0:0:0:ffff:e755:b596
231.85.181.151 0:0:0:0:0:ffff:e755:b597
231.85.181.152 0:0:0:0:0:ffff:e755:b598
231.85.181.153 0:0:0:0:0:ffff:e755:b599
231.85.181.154 0:0:0:0:0:ffff:e755:b59a
231.85.181.155 0:0:0:0:0:ffff:e755:b59b
231.85.181.156 0:0:0:0:0:ffff:e755:b59c
231.85.181.157 0:0:0:0:0:ffff:e755:b59d
231.85.181.158 0:0:0:0:0:ffff:e755:b59e
231.85.181.159 0:0:0:0:0:ffff:e755:b59f
231.85.181.160 0:0:0:0:0:ffff:e755:b5a0
231.85.181.161 0:0:0:0:0:ffff:e755:b5a1
231.85.181.162 0:0:0:0:0:ffff:e755:b5a2
231.85.181.163 0:0:0:0:0:ffff:e755:b5a3
231.85.181.164 0:0:0:0:0:ffff:e755:b5a4
231.85.181.165 0:0:0:0:0:ffff:e755:b5a5
231.85.181.166 0:0:0:0:0:ffff:e755:b5a6
231.85.181.167 0:0:0:0:0:ffff:e755:b5a7
231.85.181.168 0:0:0:0:0:ffff:e755:b5a8
231.85.181.169 0:0:0:0:0:ffff:e755:b5a9
231.85.181.170 0:0:0:0:0:ffff:e755:b5aa
231.85.181.171 0:0:0:0:0:ffff:e755:b5ab
231.85.181.172 0:0:0:0:0:ffff:e755:b5ac
231.85.181.173 0:0:0:0:0:ffff:e755:b5ad
231.85.181.174 0:0:0:0:0:ffff:e755:b5ae
231.85.181.175 0:0:0:0:0:ffff:e755:b5af
231.85.181.176 0:0:0:0:0:ffff:e755:b5b0
231.85.181.177 0:0:0:0:0:ffff:e755:b5b1
231.85.181.178 0:0:0:0:0:ffff:e755:b5b2
231.85.181.179 0:0:0:0:0:ffff:e755:b5b3
231.85.181.180 0:0:0:0:0:ffff:e755:b5b4


231.85.181.181 0:0:0:0:0:ffff:e755:b5b5
231.85.181.182 0:0:0:0:0:ffff:e755:b5b6
231.85.181.183 0:0:0:0:0:ffff:e755:b5b7
231.85.181.184 0:0:0:0:0:ffff:e755:b5b8
231.85.181.185 0:0:0:0:0:ffff:e755:b5b9
231.85.181.186 0:0:0:0:0:ffff:e755:b5ba
231.85.181.187 0:0:0:0:0:ffff:e755:b5bb
231.85.181.188 0:0:0:0:0:ffff:e755:b5bc
231.85.181.189 0:0:0:0:0:ffff:e755:b5bd
231.85.181.190 0:0:0:0:0:ffff:e755:b5be
231.85.181.191 0:0:0:0:0:ffff:e755:b5bf
231.85.181.192 0:0:0:0:0:ffff:e755:b5c0
231.85.181.193 0:0:0:0:0:ffff:e755:b5c1
231.85.181.194 0:0:0:0:0:ffff:e755:b5c2
231.85.181.195 0:0:0:0:0:ffff:e755:b5c3
231.85.181.196 0:0:0:0:0:ffff:e755:b5c4
231.85.181.197 0:0:0:0:0:ffff:e755:b5c5
231.85.181.198 0:0:0:0:0:ffff:e755:b5c6
231.85.181.199 0:0:0:0:0:ffff:e755:b5c7
231.85.181.200 0:0:0:0:0:ffff:e755:b5c8
231.85.181.201 0:0:0:0:0:ffff:e755:b5c9
231.85.181.202 0:0:0:0:0:ffff:e755:b5ca
231.85.181.203 0:0:0:0:0:ffff:e755:b5cb
231.85.181.204 0:0:0:0:0:ffff:e755:b5cc
231.85.181.205 0:0:0:0:0:ffff:e755:b5cd
231.85.181.206 0:0:0:0:0:ffff:e755:b5ce
231.85.181.207 0:0:0:0:0:ffff:e755:b5cf
231.85.181.208 0:0:0:0:0:ffff:e755:b5d0
231.85.181.209 0:0:0:0:0:ffff:e755:b5d1
231.85.181.210 0:0:0:0:0:ffff:e755:b5d2
231.85.181.211 0:0:0:0:0:ffff:e755:b5d3
231.85.181.212 0:0:0:0:0:ffff:e755:b5d4
231.85.181.213 0:0:0:0:0:ffff:e755:b5d5
231.85.181.214 0:0:0:0:0:ffff:e755:b5d6
231.85.181.215 0:0:0:0:0:ffff:e755:b5d7
231.85.181.216 0:0:0:0:0:ffff:e755:b5d8
231.85.181.217 0:0:0:0:0:ffff:e755:b5d9
231.85.181.218 0:0:0:0:0:ffff:e755:b5da
231.85.181.219 0:0:0:0:0:ffff:e755:b5db
231.85.181.220 0:0:0:0:0:ffff:e755:b5dc
231.85.181.221 0:0:0:0:0:ffff:e755:b5dd
231.85.181.222 0:0:0:0:0:ffff:e755:b5de
231.85.181.223 0:0:0:0:0:ffff:e755:b5df
231.85.181.224 0:0:0:0:0:ffff:e755:b5e0
231.85.181.225 0:0:0:0:0:ffff:e755:b5e1
231.85.181.226 0:0:0:0:0:ffff:e755:b5e2
231.85.181.227 0:0:0:0:0:ffff:e755:b5e3
231.85.181.228 0:0:0:0:0:ffff:e755:b5e4
231.85.181.229 0:0:0:0:0:ffff:e755:b5e5
231.85.181.230 0:0:0:0:0:ffff:e755:b5e6
231.85.181.231 0:0:0:0:0:ffff:e755:b5e7
231.85.181.232 0:0:0:0:0:ffff:e755:b5e8
231.85.181.233 0:0:0:0:0:ffff:e755:b5e9
231.85.181.234 0:0:0:0:0:ffff:e755:b5ea
231.85.181.235 0:0:0:0:0:ffff:e755:b5eb
231.85.181.236 0:0:0:0:0:ffff:e755:b5ec
231.85.181.237 0:0:0:0:0:ffff:e755:b5ed
231.85.181.238 0:0:0:0:0:ffff:e755:b5ee
231.85.181.239 0:0:0:0:0:ffff:e755:b5ef
231.85.181.240 0:0:0:0:0:ffff:e755:b5f0
231.85.181.241 0:0:0:0:0:ffff:e755:b5f1
231.85.181.242 0:0:0:0:0:ffff:e755:b5f2
231.85.181.243 0:0:0:0:0:ffff:e755:b5f3
231.85.181.244 0:0:0:0:0:ffff:e755:b5f4
231.85.181.245 0:0:0:0:0:ffff:e755:b5f5
231.85.181.246 0:0:0:0:0:ffff:e755:b5f6
231.85.181.247 0:0:0:0:0:ffff:e755:b5f7
231.85.181.248 0:0:0:0:0:ffff:e755:b5f8
231.85.181.249 0:0:0:0:0:ffff:e755:b5f9
231.85.181.250 0:0:0:0:0:ffff:e755:b5fa
231.85.181.251 0:0:0:0:0:ffff:e755:b5fb
231.85.181.252 0:0:0:0:0:ffff:e755:b5fc
231.85.181.253 0:0:0:0:0:ffff:e755:b5fd
231.85.181.254 0:0:0:0:0:ffff:e755:b5fe
231.85.181.255 0:0:0:0:0:ffff:e755: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.