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
131.131.181.1 0:0:0:0:0:ffff:8383:b501
131.131.181.2 0:0:0:0:0:ffff:8383:b502
131.131.181.3 0:0:0:0:0:ffff:8383:b503
131.131.181.4 0:0:0:0:0:ffff:8383:b504
131.131.181.5 0:0:0:0:0:ffff:8383:b505
131.131.181.6 0:0:0:0:0:ffff:8383:b506
131.131.181.7 0:0:0:0:0:ffff:8383:b507
131.131.181.8 0:0:0:0:0:ffff:8383:b508
131.131.181.9 0:0:0:0:0:ffff:8383:b509
131.131.181.10 0:0:0:0:0:ffff:8383:b50a
131.131.181.11 0:0:0:0:0:ffff:8383:b50b
131.131.181.12 0:0:0:0:0:ffff:8383:b50c
131.131.181.13 0:0:0:0:0:ffff:8383:b50d
131.131.181.14 0:0:0:0:0:ffff:8383:b50e
131.131.181.15 0:0:0:0:0:ffff:8383:b50f
131.131.181.16 0:0:0:0:0:ffff:8383:b510
131.131.181.17 0:0:0:0:0:ffff:8383:b511
131.131.181.18 0:0:0:0:0:ffff:8383:b512
131.131.181.19 0:0:0:0:0:ffff:8383:b513
131.131.181.20 0:0:0:0:0:ffff:8383:b514
131.131.181.21 0:0:0:0:0:ffff:8383:b515
131.131.181.22 0:0:0:0:0:ffff:8383:b516
131.131.181.23 0:0:0:0:0:ffff:8383:b517
131.131.181.24 0:0:0:0:0:ffff:8383:b518
131.131.181.25 0:0:0:0:0:ffff:8383:b519
131.131.181.26 0:0:0:0:0:ffff:8383:b51a
131.131.181.27 0:0:0:0:0:ffff:8383:b51b
131.131.181.28 0:0:0:0:0:ffff:8383:b51c
131.131.181.29 0:0:0:0:0:ffff:8383:b51d
131.131.181.30 0:0:0:0:0:ffff:8383:b51e
131.131.181.31 0:0:0:0:0:ffff:8383:b51f
131.131.181.32 0:0:0:0:0:ffff:8383:b520
131.131.181.33 0:0:0:0:0:ffff:8383:b521
131.131.181.34 0:0:0:0:0:ffff:8383:b522
131.131.181.35 0:0:0:0:0:ffff:8383:b523
131.131.181.36 0:0:0:0:0:ffff:8383:b524
131.131.181.37 0:0:0:0:0:ffff:8383:b525
131.131.181.38 0:0:0:0:0:ffff:8383:b526
131.131.181.39 0:0:0:0:0:ffff:8383:b527
131.131.181.40 0:0:0:0:0:ffff:8383:b528
131.131.181.41 0:0:0:0:0:ffff:8383:b529
131.131.181.42 0:0:0:0:0:ffff:8383:b52a
131.131.181.43 0:0:0:0:0:ffff:8383:b52b
131.131.181.44 0:0:0:0:0:ffff:8383:b52c
131.131.181.45 0:0:0:0:0:ffff:8383:b52d
131.131.181.46 0:0:0:0:0:ffff:8383:b52e
131.131.181.47 0:0:0:0:0:ffff:8383:b52f
131.131.181.48 0:0:0:0:0:ffff:8383:b530
131.131.181.49 0:0:0:0:0:ffff:8383:b531
131.131.181.50 0:0:0:0:0:ffff:8383:b532
131.131.181.51 0:0:0:0:0:ffff:8383:b533
131.131.181.52 0:0:0:0:0:ffff:8383:b534
131.131.181.53 0:0:0:0:0:ffff:8383:b535
131.131.181.54 0:0:0:0:0:ffff:8383:b536
131.131.181.55 0:0:0:0:0:ffff:8383:b537
131.131.181.56 0:0:0:0:0:ffff:8383:b538
131.131.181.57 0:0:0:0:0:ffff:8383:b539
131.131.181.58 0:0:0:0:0:ffff:8383:b53a
131.131.181.59 0:0:0:0:0:ffff:8383:b53b
131.131.181.60 0:0:0:0:0:ffff:8383:b53c


131.131.181.61 0:0:0:0:0:ffff:8383:b53d
131.131.181.62 0:0:0:0:0:ffff:8383:b53e
131.131.181.63 0:0:0:0:0:ffff:8383:b53f
131.131.181.64 0:0:0:0:0:ffff:8383:b540
131.131.181.65 0:0:0:0:0:ffff:8383:b541
131.131.181.66 0:0:0:0:0:ffff:8383:b542
131.131.181.67 0:0:0:0:0:ffff:8383:b543
131.131.181.68 0:0:0:0:0:ffff:8383:b544
131.131.181.69 0:0:0:0:0:ffff:8383:b545
131.131.181.70 0:0:0:0:0:ffff:8383:b546
131.131.181.71 0:0:0:0:0:ffff:8383:b547
131.131.181.72 0:0:0:0:0:ffff:8383:b548
131.131.181.73 0:0:0:0:0:ffff:8383:b549
131.131.181.74 0:0:0:0:0:ffff:8383:b54a
131.131.181.75 0:0:0:0:0:ffff:8383:b54b
131.131.181.76 0:0:0:0:0:ffff:8383:b54c
131.131.181.77 0:0:0:0:0:ffff:8383:b54d
131.131.181.78 0:0:0:0:0:ffff:8383:b54e
131.131.181.79 0:0:0:0:0:ffff:8383:b54f
131.131.181.80 0:0:0:0:0:ffff:8383:b550
131.131.181.81 0:0:0:0:0:ffff:8383:b551
131.131.181.82 0:0:0:0:0:ffff:8383:b552
131.131.181.83 0:0:0:0:0:ffff:8383:b553
131.131.181.84 0:0:0:0:0:ffff:8383:b554
131.131.181.85 0:0:0:0:0:ffff:8383:b555
131.131.181.86 0:0:0:0:0:ffff:8383:b556
131.131.181.87 0:0:0:0:0:ffff:8383:b557
131.131.181.88 0:0:0:0:0:ffff:8383:b558
131.131.181.89 0:0:0:0:0:ffff:8383:b559
131.131.181.90 0:0:0:0:0:ffff:8383:b55a
131.131.181.91 0:0:0:0:0:ffff:8383:b55b
131.131.181.92 0:0:0:0:0:ffff:8383:b55c
131.131.181.93 0:0:0:0:0:ffff:8383:b55d
131.131.181.94 0:0:0:0:0:ffff:8383:b55e
131.131.181.95 0:0:0:0:0:ffff:8383:b55f
131.131.181.96 0:0:0:0:0:ffff:8383:b560
131.131.181.97 0:0:0:0:0:ffff:8383:b561
131.131.181.98 0:0:0:0:0:ffff:8383:b562
131.131.181.99 0:0:0:0:0:ffff:8383:b563
131.131.181.100 0:0:0:0:0:ffff:8383:b564
131.131.181.101 0:0:0:0:0:ffff:8383:b565
131.131.181.102 0:0:0:0:0:ffff:8383:b566
131.131.181.103 0:0:0:0:0:ffff:8383:b567
131.131.181.104 0:0:0:0:0:ffff:8383:b568
131.131.181.105 0:0:0:0:0:ffff:8383:b569
131.131.181.106 0:0:0:0:0:ffff:8383:b56a
131.131.181.107 0:0:0:0:0:ffff:8383:b56b
131.131.181.108 0:0:0:0:0:ffff:8383:b56c
131.131.181.109 0:0:0:0:0:ffff:8383:b56d
131.131.181.110 0:0:0:0:0:ffff:8383:b56e
131.131.181.111 0:0:0:0:0:ffff:8383:b56f
131.131.181.112 0:0:0:0:0:ffff:8383:b570
131.131.181.113 0:0:0:0:0:ffff:8383:b571
131.131.181.114 0:0:0:0:0:ffff:8383:b572
131.131.181.115 0:0:0:0:0:ffff:8383:b573
131.131.181.116 0:0:0:0:0:ffff:8383:b574
131.131.181.117 0:0:0:0:0:ffff:8383:b575
131.131.181.118 0:0:0:0:0:ffff:8383:b576
131.131.181.119 0:0:0:0:0:ffff:8383:b577
131.131.181.120 0:0:0:0:0:ffff:8383:b578


131.131.181.121 0:0:0:0:0:ffff:8383:b579
131.131.181.122 0:0:0:0:0:ffff:8383:b57a
131.131.181.123 0:0:0:0:0:ffff:8383:b57b
131.131.181.124 0:0:0:0:0:ffff:8383:b57c
131.131.181.125 0:0:0:0:0:ffff:8383:b57d
131.131.181.126 0:0:0:0:0:ffff:8383:b57e
131.131.181.127 0:0:0:0:0:ffff:8383:b57f
131.131.181.128 0:0:0:0:0:ffff:8383:b580
131.131.181.129 0:0:0:0:0:ffff:8383:b581
131.131.181.130 0:0:0:0:0:ffff:8383:b582
131.131.181.131 0:0:0:0:0:ffff:8383:b583
131.131.181.132 0:0:0:0:0:ffff:8383:b584
131.131.181.133 0:0:0:0:0:ffff:8383:b585
131.131.181.134 0:0:0:0:0:ffff:8383:b586
131.131.181.135 0:0:0:0:0:ffff:8383:b587
131.131.181.136 0:0:0:0:0:ffff:8383:b588
131.131.181.137 0:0:0:0:0:ffff:8383:b589
131.131.181.138 0:0:0:0:0:ffff:8383:b58a
131.131.181.139 0:0:0:0:0:ffff:8383:b58b
131.131.181.140 0:0:0:0:0:ffff:8383:b58c
131.131.181.141 0:0:0:0:0:ffff:8383:b58d
131.131.181.142 0:0:0:0:0:ffff:8383:b58e
131.131.181.143 0:0:0:0:0:ffff:8383:b58f
131.131.181.144 0:0:0:0:0:ffff:8383:b590
131.131.181.145 0:0:0:0:0:ffff:8383:b591
131.131.181.146 0:0:0:0:0:ffff:8383:b592
131.131.181.147 0:0:0:0:0:ffff:8383:b593
131.131.181.148 0:0:0:0:0:ffff:8383:b594
131.131.181.149 0:0:0:0:0:ffff:8383:b595
131.131.181.150 0:0:0:0:0:ffff:8383:b596
131.131.181.151 0:0:0:0:0:ffff:8383:b597
131.131.181.152 0:0:0:0:0:ffff:8383:b598
131.131.181.153 0:0:0:0:0:ffff:8383:b599
131.131.181.154 0:0:0:0:0:ffff:8383:b59a
131.131.181.155 0:0:0:0:0:ffff:8383:b59b
131.131.181.156 0:0:0:0:0:ffff:8383:b59c
131.131.181.157 0:0:0:0:0:ffff:8383:b59d
131.131.181.158 0:0:0:0:0:ffff:8383:b59e
131.131.181.159 0:0:0:0:0:ffff:8383:b59f
131.131.181.160 0:0:0:0:0:ffff:8383:b5a0
131.131.181.161 0:0:0:0:0:ffff:8383:b5a1
131.131.181.162 0:0:0:0:0:ffff:8383:b5a2
131.131.181.163 0:0:0:0:0:ffff:8383:b5a3
131.131.181.164 0:0:0:0:0:ffff:8383:b5a4
131.131.181.165 0:0:0:0:0:ffff:8383:b5a5
131.131.181.166 0:0:0:0:0:ffff:8383:b5a6
131.131.181.167 0:0:0:0:0:ffff:8383:b5a7
131.131.181.168 0:0:0:0:0:ffff:8383:b5a8
131.131.181.169 0:0:0:0:0:ffff:8383:b5a9
131.131.181.170 0:0:0:0:0:ffff:8383:b5aa
131.131.181.171 0:0:0:0:0:ffff:8383:b5ab
131.131.181.172 0:0:0:0:0:ffff:8383:b5ac
131.131.181.173 0:0:0:0:0:ffff:8383:b5ad
131.131.181.174 0:0:0:0:0:ffff:8383:b5ae
131.131.181.175 0:0:0:0:0:ffff:8383:b5af
131.131.181.176 0:0:0:0:0:ffff:8383:b5b0
131.131.181.177 0:0:0:0:0:ffff:8383:b5b1
131.131.181.178 0:0:0:0:0:ffff:8383:b5b2
131.131.181.179 0:0:0:0:0:ffff:8383:b5b3
131.131.181.180 0:0:0:0:0:ffff:8383:b5b4


131.131.181.181 0:0:0:0:0:ffff:8383:b5b5
131.131.181.182 0:0:0:0:0:ffff:8383:b5b6
131.131.181.183 0:0:0:0:0:ffff:8383:b5b7
131.131.181.184 0:0:0:0:0:ffff:8383:b5b8
131.131.181.185 0:0:0:0:0:ffff:8383:b5b9
131.131.181.186 0:0:0:0:0:ffff:8383:b5ba
131.131.181.187 0:0:0:0:0:ffff:8383:b5bb
131.131.181.188 0:0:0:0:0:ffff:8383:b5bc
131.131.181.189 0:0:0:0:0:ffff:8383:b5bd
131.131.181.190 0:0:0:0:0:ffff:8383:b5be
131.131.181.191 0:0:0:0:0:ffff:8383:b5bf
131.131.181.192 0:0:0:0:0:ffff:8383:b5c0
131.131.181.193 0:0:0:0:0:ffff:8383:b5c1
131.131.181.194 0:0:0:0:0:ffff:8383:b5c2
131.131.181.195 0:0:0:0:0:ffff:8383:b5c3
131.131.181.196 0:0:0:0:0:ffff:8383:b5c4
131.131.181.197 0:0:0:0:0:ffff:8383:b5c5
131.131.181.198 0:0:0:0:0:ffff:8383:b5c6
131.131.181.199 0:0:0:0:0:ffff:8383:b5c7
131.131.181.200 0:0:0:0:0:ffff:8383:b5c8
131.131.181.201 0:0:0:0:0:ffff:8383:b5c9
131.131.181.202 0:0:0:0:0:ffff:8383:b5ca
131.131.181.203 0:0:0:0:0:ffff:8383:b5cb
131.131.181.204 0:0:0:0:0:ffff:8383:b5cc
131.131.181.205 0:0:0:0:0:ffff:8383:b5cd
131.131.181.206 0:0:0:0:0:ffff:8383:b5ce
131.131.181.207 0:0:0:0:0:ffff:8383:b5cf
131.131.181.208 0:0:0:0:0:ffff:8383:b5d0
131.131.181.209 0:0:0:0:0:ffff:8383:b5d1
131.131.181.210 0:0:0:0:0:ffff:8383:b5d2
131.131.181.211 0:0:0:0:0:ffff:8383:b5d3
131.131.181.212 0:0:0:0:0:ffff:8383:b5d4
131.131.181.213 0:0:0:0:0:ffff:8383:b5d5
131.131.181.214 0:0:0:0:0:ffff:8383:b5d6
131.131.181.215 0:0:0:0:0:ffff:8383:b5d7
131.131.181.216 0:0:0:0:0:ffff:8383:b5d8
131.131.181.217 0:0:0:0:0:ffff:8383:b5d9
131.131.181.218 0:0:0:0:0:ffff:8383:b5da
131.131.181.219 0:0:0:0:0:ffff:8383:b5db
131.131.181.220 0:0:0:0:0:ffff:8383:b5dc
131.131.181.221 0:0:0:0:0:ffff:8383:b5dd
131.131.181.222 0:0:0:0:0:ffff:8383:b5de
131.131.181.223 0:0:0:0:0:ffff:8383:b5df
131.131.181.224 0:0:0:0:0:ffff:8383:b5e0
131.131.181.225 0:0:0:0:0:ffff:8383:b5e1
131.131.181.226 0:0:0:0:0:ffff:8383:b5e2
131.131.181.227 0:0:0:0:0:ffff:8383:b5e3
131.131.181.228 0:0:0:0:0:ffff:8383:b5e4
131.131.181.229 0:0:0:0:0:ffff:8383:b5e5
131.131.181.230 0:0:0:0:0:ffff:8383:b5e6
131.131.181.231 0:0:0:0:0:ffff:8383:b5e7
131.131.181.232 0:0:0:0:0:ffff:8383:b5e8
131.131.181.233 0:0:0:0:0:ffff:8383:b5e9
131.131.181.234 0:0:0:0:0:ffff:8383:b5ea
131.131.181.235 0:0:0:0:0:ffff:8383:b5eb
131.131.181.236 0:0:0:0:0:ffff:8383:b5ec
131.131.181.237 0:0:0:0:0:ffff:8383:b5ed
131.131.181.238 0:0:0:0:0:ffff:8383:b5ee
131.131.181.239 0:0:0:0:0:ffff:8383:b5ef
131.131.181.240 0:0:0:0:0:ffff:8383:b5f0
131.131.181.241 0:0:0:0:0:ffff:8383:b5f1
131.131.181.242 0:0:0:0:0:ffff:8383:b5f2
131.131.181.243 0:0:0:0:0:ffff:8383:b5f3
131.131.181.244 0:0:0:0:0:ffff:8383:b5f4
131.131.181.245 0:0:0:0:0:ffff:8383:b5f5
131.131.181.246 0:0:0:0:0:ffff:8383:b5f6
131.131.181.247 0:0:0:0:0:ffff:8383:b5f7
131.131.181.248 0:0:0:0:0:ffff:8383:b5f8
131.131.181.249 0:0:0:0:0:ffff:8383:b5f9
131.131.181.250 0:0:0:0:0:ffff:8383:b5fa
131.131.181.251 0:0:0:0:0:ffff:8383:b5fb
131.131.181.252 0:0:0:0:0:ffff:8383:b5fc
131.131.181.253 0:0:0:0:0:ffff:8383:b5fd
131.131.181.254 0:0:0:0:0:ffff:8383:b5fe
131.131.181.255 0:0:0:0:0:ffff:8383: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.