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
6.168.181.1 0:0:0:0:0:ffff:6a8:b501
6.168.181.2 0:0:0:0:0:ffff:6a8:b502
6.168.181.3 0:0:0:0:0:ffff:6a8:b503
6.168.181.4 0:0:0:0:0:ffff:6a8:b504
6.168.181.5 0:0:0:0:0:ffff:6a8:b505
6.168.181.6 0:0:0:0:0:ffff:6a8:b506
6.168.181.7 0:0:0:0:0:ffff:6a8:b507
6.168.181.8 0:0:0:0:0:ffff:6a8:b508
6.168.181.9 0:0:0:0:0:ffff:6a8:b509
6.168.181.10 0:0:0:0:0:ffff:6a8:b50a
6.168.181.11 0:0:0:0:0:ffff:6a8:b50b
6.168.181.12 0:0:0:0:0:ffff:6a8:b50c
6.168.181.13 0:0:0:0:0:ffff:6a8:b50d
6.168.181.14 0:0:0:0:0:ffff:6a8:b50e
6.168.181.15 0:0:0:0:0:ffff:6a8:b50f
6.168.181.16 0:0:0:0:0:ffff:6a8:b510
6.168.181.17 0:0:0:0:0:ffff:6a8:b511
6.168.181.18 0:0:0:0:0:ffff:6a8:b512
6.168.181.19 0:0:0:0:0:ffff:6a8:b513
6.168.181.20 0:0:0:0:0:ffff:6a8:b514
6.168.181.21 0:0:0:0:0:ffff:6a8:b515
6.168.181.22 0:0:0:0:0:ffff:6a8:b516
6.168.181.23 0:0:0:0:0:ffff:6a8:b517
6.168.181.24 0:0:0:0:0:ffff:6a8:b518
6.168.181.25 0:0:0:0:0:ffff:6a8:b519
6.168.181.26 0:0:0:0:0:ffff:6a8:b51a
6.168.181.27 0:0:0:0:0:ffff:6a8:b51b
6.168.181.28 0:0:0:0:0:ffff:6a8:b51c
6.168.181.29 0:0:0:0:0:ffff:6a8:b51d
6.168.181.30 0:0:0:0:0:ffff:6a8:b51e
6.168.181.31 0:0:0:0:0:ffff:6a8:b51f
6.168.181.32 0:0:0:0:0:ffff:6a8:b520
6.168.181.33 0:0:0:0:0:ffff:6a8:b521
6.168.181.34 0:0:0:0:0:ffff:6a8:b522
6.168.181.35 0:0:0:0:0:ffff:6a8:b523
6.168.181.36 0:0:0:0:0:ffff:6a8:b524
6.168.181.37 0:0:0:0:0:ffff:6a8:b525
6.168.181.38 0:0:0:0:0:ffff:6a8:b526
6.168.181.39 0:0:0:0:0:ffff:6a8:b527
6.168.181.40 0:0:0:0:0:ffff:6a8:b528
6.168.181.41 0:0:0:0:0:ffff:6a8:b529
6.168.181.42 0:0:0:0:0:ffff:6a8:b52a
6.168.181.43 0:0:0:0:0:ffff:6a8:b52b
6.168.181.44 0:0:0:0:0:ffff:6a8:b52c
6.168.181.45 0:0:0:0:0:ffff:6a8:b52d
6.168.181.46 0:0:0:0:0:ffff:6a8:b52e
6.168.181.47 0:0:0:0:0:ffff:6a8:b52f
6.168.181.48 0:0:0:0:0:ffff:6a8:b530
6.168.181.49 0:0:0:0:0:ffff:6a8:b531
6.168.181.50 0:0:0:0:0:ffff:6a8:b532
6.168.181.51 0:0:0:0:0:ffff:6a8:b533
6.168.181.52 0:0:0:0:0:ffff:6a8:b534
6.168.181.53 0:0:0:0:0:ffff:6a8:b535
6.168.181.54 0:0:0:0:0:ffff:6a8:b536
6.168.181.55 0:0:0:0:0:ffff:6a8:b537
6.168.181.56 0:0:0:0:0:ffff:6a8:b538
6.168.181.57 0:0:0:0:0:ffff:6a8:b539
6.168.181.58 0:0:0:0:0:ffff:6a8:b53a
6.168.181.59 0:0:0:0:0:ffff:6a8:b53b
6.168.181.60 0:0:0:0:0:ffff:6a8:b53c


6.168.181.61 0:0:0:0:0:ffff:6a8:b53d
6.168.181.62 0:0:0:0:0:ffff:6a8:b53e
6.168.181.63 0:0:0:0:0:ffff:6a8:b53f
6.168.181.64 0:0:0:0:0:ffff:6a8:b540
6.168.181.65 0:0:0:0:0:ffff:6a8:b541
6.168.181.66 0:0:0:0:0:ffff:6a8:b542
6.168.181.67 0:0:0:0:0:ffff:6a8:b543
6.168.181.68 0:0:0:0:0:ffff:6a8:b544
6.168.181.69 0:0:0:0:0:ffff:6a8:b545
6.168.181.70 0:0:0:0:0:ffff:6a8:b546
6.168.181.71 0:0:0:0:0:ffff:6a8:b547
6.168.181.72 0:0:0:0:0:ffff:6a8:b548
6.168.181.73 0:0:0:0:0:ffff:6a8:b549
6.168.181.74 0:0:0:0:0:ffff:6a8:b54a
6.168.181.75 0:0:0:0:0:ffff:6a8:b54b
6.168.181.76 0:0:0:0:0:ffff:6a8:b54c
6.168.181.77 0:0:0:0:0:ffff:6a8:b54d
6.168.181.78 0:0:0:0:0:ffff:6a8:b54e
6.168.181.79 0:0:0:0:0:ffff:6a8:b54f
6.168.181.80 0:0:0:0:0:ffff:6a8:b550
6.168.181.81 0:0:0:0:0:ffff:6a8:b551
6.168.181.82 0:0:0:0:0:ffff:6a8:b552
6.168.181.83 0:0:0:0:0:ffff:6a8:b553
6.168.181.84 0:0:0:0:0:ffff:6a8:b554
6.168.181.85 0:0:0:0:0:ffff:6a8:b555
6.168.181.86 0:0:0:0:0:ffff:6a8:b556
6.168.181.87 0:0:0:0:0:ffff:6a8:b557
6.168.181.88 0:0:0:0:0:ffff:6a8:b558
6.168.181.89 0:0:0:0:0:ffff:6a8:b559
6.168.181.90 0:0:0:0:0:ffff:6a8:b55a
6.168.181.91 0:0:0:0:0:ffff:6a8:b55b
6.168.181.92 0:0:0:0:0:ffff:6a8:b55c
6.168.181.93 0:0:0:0:0:ffff:6a8:b55d
6.168.181.94 0:0:0:0:0:ffff:6a8:b55e
6.168.181.95 0:0:0:0:0:ffff:6a8:b55f
6.168.181.96 0:0:0:0:0:ffff:6a8:b560
6.168.181.97 0:0:0:0:0:ffff:6a8:b561
6.168.181.98 0:0:0:0:0:ffff:6a8:b562
6.168.181.99 0:0:0:0:0:ffff:6a8:b563
6.168.181.100 0:0:0:0:0:ffff:6a8:b564
6.168.181.101 0:0:0:0:0:ffff:6a8:b565
6.168.181.102 0:0:0:0:0:ffff:6a8:b566
6.168.181.103 0:0:0:0:0:ffff:6a8:b567
6.168.181.104 0:0:0:0:0:ffff:6a8:b568
6.168.181.105 0:0:0:0:0:ffff:6a8:b569
6.168.181.106 0:0:0:0:0:ffff:6a8:b56a
6.168.181.107 0:0:0:0:0:ffff:6a8:b56b
6.168.181.108 0:0:0:0:0:ffff:6a8:b56c
6.168.181.109 0:0:0:0:0:ffff:6a8:b56d
6.168.181.110 0:0:0:0:0:ffff:6a8:b56e
6.168.181.111 0:0:0:0:0:ffff:6a8:b56f
6.168.181.112 0:0:0:0:0:ffff:6a8:b570
6.168.181.113 0:0:0:0:0:ffff:6a8:b571
6.168.181.114 0:0:0:0:0:ffff:6a8:b572
6.168.181.115 0:0:0:0:0:ffff:6a8:b573
6.168.181.116 0:0:0:0:0:ffff:6a8:b574
6.168.181.117 0:0:0:0:0:ffff:6a8:b575
6.168.181.118 0:0:0:0:0:ffff:6a8:b576
6.168.181.119 0:0:0:0:0:ffff:6a8:b577
6.168.181.120 0:0:0:0:0:ffff:6a8:b578


6.168.181.121 0:0:0:0:0:ffff:6a8:b579
6.168.181.122 0:0:0:0:0:ffff:6a8:b57a
6.168.181.123 0:0:0:0:0:ffff:6a8:b57b
6.168.181.124 0:0:0:0:0:ffff:6a8:b57c
6.168.181.125 0:0:0:0:0:ffff:6a8:b57d
6.168.181.126 0:0:0:0:0:ffff:6a8:b57e
6.168.181.127 0:0:0:0:0:ffff:6a8:b57f
6.168.181.128 0:0:0:0:0:ffff:6a8:b580
6.168.181.129 0:0:0:0:0:ffff:6a8:b581
6.168.181.130 0:0:0:0:0:ffff:6a8:b582
6.168.181.131 0:0:0:0:0:ffff:6a8:b583
6.168.181.132 0:0:0:0:0:ffff:6a8:b584
6.168.181.133 0:0:0:0:0:ffff:6a8:b585
6.168.181.134 0:0:0:0:0:ffff:6a8:b586
6.168.181.135 0:0:0:0:0:ffff:6a8:b587
6.168.181.136 0:0:0:0:0:ffff:6a8:b588
6.168.181.137 0:0:0:0:0:ffff:6a8:b589
6.168.181.138 0:0:0:0:0:ffff:6a8:b58a
6.168.181.139 0:0:0:0:0:ffff:6a8:b58b
6.168.181.140 0:0:0:0:0:ffff:6a8:b58c
6.168.181.141 0:0:0:0:0:ffff:6a8:b58d
6.168.181.142 0:0:0:0:0:ffff:6a8:b58e
6.168.181.143 0:0:0:0:0:ffff:6a8:b58f
6.168.181.144 0:0:0:0:0:ffff:6a8:b590
6.168.181.145 0:0:0:0:0:ffff:6a8:b591
6.168.181.146 0:0:0:0:0:ffff:6a8:b592
6.168.181.147 0:0:0:0:0:ffff:6a8:b593
6.168.181.148 0:0:0:0:0:ffff:6a8:b594
6.168.181.149 0:0:0:0:0:ffff:6a8:b595
6.168.181.150 0:0:0:0:0:ffff:6a8:b596
6.168.181.151 0:0:0:0:0:ffff:6a8:b597
6.168.181.152 0:0:0:0:0:ffff:6a8:b598
6.168.181.153 0:0:0:0:0:ffff:6a8:b599
6.168.181.154 0:0:0:0:0:ffff:6a8:b59a
6.168.181.155 0:0:0:0:0:ffff:6a8:b59b
6.168.181.156 0:0:0:0:0:ffff:6a8:b59c
6.168.181.157 0:0:0:0:0:ffff:6a8:b59d
6.168.181.158 0:0:0:0:0:ffff:6a8:b59e
6.168.181.159 0:0:0:0:0:ffff:6a8:b59f
6.168.181.160 0:0:0:0:0:ffff:6a8:b5a0
6.168.181.161 0:0:0:0:0:ffff:6a8:b5a1
6.168.181.162 0:0:0:0:0:ffff:6a8:b5a2
6.168.181.163 0:0:0:0:0:ffff:6a8:b5a3
6.168.181.164 0:0:0:0:0:ffff:6a8:b5a4
6.168.181.165 0:0:0:0:0:ffff:6a8:b5a5
6.168.181.166 0:0:0:0:0:ffff:6a8:b5a6
6.168.181.167 0:0:0:0:0:ffff:6a8:b5a7
6.168.181.168 0:0:0:0:0:ffff:6a8:b5a8
6.168.181.169 0:0:0:0:0:ffff:6a8:b5a9
6.168.181.170 0:0:0:0:0:ffff:6a8:b5aa
6.168.181.171 0:0:0:0:0:ffff:6a8:b5ab
6.168.181.172 0:0:0:0:0:ffff:6a8:b5ac
6.168.181.173 0:0:0:0:0:ffff:6a8:b5ad
6.168.181.174 0:0:0:0:0:ffff:6a8:b5ae
6.168.181.175 0:0:0:0:0:ffff:6a8:b5af
6.168.181.176 0:0:0:0:0:ffff:6a8:b5b0
6.168.181.177 0:0:0:0:0:ffff:6a8:b5b1
6.168.181.178 0:0:0:0:0:ffff:6a8:b5b2
6.168.181.179 0:0:0:0:0:ffff:6a8:b5b3
6.168.181.180 0:0:0:0:0:ffff:6a8:b5b4


6.168.181.181 0:0:0:0:0:ffff:6a8:b5b5
6.168.181.182 0:0:0:0:0:ffff:6a8:b5b6
6.168.181.183 0:0:0:0:0:ffff:6a8:b5b7
6.168.181.184 0:0:0:0:0:ffff:6a8:b5b8
6.168.181.185 0:0:0:0:0:ffff:6a8:b5b9
6.168.181.186 0:0:0:0:0:ffff:6a8:b5ba
6.168.181.187 0:0:0:0:0:ffff:6a8:b5bb
6.168.181.188 0:0:0:0:0:ffff:6a8:b5bc
6.168.181.189 0:0:0:0:0:ffff:6a8:b5bd
6.168.181.190 0:0:0:0:0:ffff:6a8:b5be
6.168.181.191 0:0:0:0:0:ffff:6a8:b5bf
6.168.181.192 0:0:0:0:0:ffff:6a8:b5c0
6.168.181.193 0:0:0:0:0:ffff:6a8:b5c1
6.168.181.194 0:0:0:0:0:ffff:6a8:b5c2
6.168.181.195 0:0:0:0:0:ffff:6a8:b5c3
6.168.181.196 0:0:0:0:0:ffff:6a8:b5c4
6.168.181.197 0:0:0:0:0:ffff:6a8:b5c5
6.168.181.198 0:0:0:0:0:ffff:6a8:b5c6
6.168.181.199 0:0:0:0:0:ffff:6a8:b5c7
6.168.181.200 0:0:0:0:0:ffff:6a8:b5c8
6.168.181.201 0:0:0:0:0:ffff:6a8:b5c9
6.168.181.202 0:0:0:0:0:ffff:6a8:b5ca
6.168.181.203 0:0:0:0:0:ffff:6a8:b5cb
6.168.181.204 0:0:0:0:0:ffff:6a8:b5cc
6.168.181.205 0:0:0:0:0:ffff:6a8:b5cd
6.168.181.206 0:0:0:0:0:ffff:6a8:b5ce
6.168.181.207 0:0:0:0:0:ffff:6a8:b5cf
6.168.181.208 0:0:0:0:0:ffff:6a8:b5d0
6.168.181.209 0:0:0:0:0:ffff:6a8:b5d1
6.168.181.210 0:0:0:0:0:ffff:6a8:b5d2
6.168.181.211 0:0:0:0:0:ffff:6a8:b5d3
6.168.181.212 0:0:0:0:0:ffff:6a8:b5d4
6.168.181.213 0:0:0:0:0:ffff:6a8:b5d5
6.168.181.214 0:0:0:0:0:ffff:6a8:b5d6
6.168.181.215 0:0:0:0:0:ffff:6a8:b5d7
6.168.181.216 0:0:0:0:0:ffff:6a8:b5d8
6.168.181.217 0:0:0:0:0:ffff:6a8:b5d9
6.168.181.218 0:0:0:0:0:ffff:6a8:b5da
6.168.181.219 0:0:0:0:0:ffff:6a8:b5db
6.168.181.220 0:0:0:0:0:ffff:6a8:b5dc
6.168.181.221 0:0:0:0:0:ffff:6a8:b5dd
6.168.181.222 0:0:0:0:0:ffff:6a8:b5de
6.168.181.223 0:0:0:0:0:ffff:6a8:b5df
6.168.181.224 0:0:0:0:0:ffff:6a8:b5e0
6.168.181.225 0:0:0:0:0:ffff:6a8:b5e1
6.168.181.226 0:0:0:0:0:ffff:6a8:b5e2
6.168.181.227 0:0:0:0:0:ffff:6a8:b5e3
6.168.181.228 0:0:0:0:0:ffff:6a8:b5e4
6.168.181.229 0:0:0:0:0:ffff:6a8:b5e5
6.168.181.230 0:0:0:0:0:ffff:6a8:b5e6
6.168.181.231 0:0:0:0:0:ffff:6a8:b5e7
6.168.181.232 0:0:0:0:0:ffff:6a8:b5e8
6.168.181.233 0:0:0:0:0:ffff:6a8:b5e9
6.168.181.234 0:0:0:0:0:ffff:6a8:b5ea
6.168.181.235 0:0:0:0:0:ffff:6a8:b5eb
6.168.181.236 0:0:0:0:0:ffff:6a8:b5ec
6.168.181.237 0:0:0:0:0:ffff:6a8:b5ed
6.168.181.238 0:0:0:0:0:ffff:6a8:b5ee
6.168.181.239 0:0:0:0:0:ffff:6a8:b5ef
6.168.181.240 0:0:0:0:0:ffff:6a8:b5f0
6.168.181.241 0:0:0:0:0:ffff:6a8:b5f1
6.168.181.242 0:0:0:0:0:ffff:6a8:b5f2
6.168.181.243 0:0:0:0:0:ffff:6a8:b5f3
6.168.181.244 0:0:0:0:0:ffff:6a8:b5f4
6.168.181.245 0:0:0:0:0:ffff:6a8:b5f5
6.168.181.246 0:0:0:0:0:ffff:6a8:b5f6
6.168.181.247 0:0:0:0:0:ffff:6a8:b5f7
6.168.181.248 0:0:0:0:0:ffff:6a8:b5f8
6.168.181.249 0:0:0:0:0:ffff:6a8:b5f9
6.168.181.250 0:0:0:0:0:ffff:6a8:b5fa
6.168.181.251 0:0:0:0:0:ffff:6a8:b5fb
6.168.181.252 0:0:0:0:0:ffff:6a8:b5fc
6.168.181.253 0:0:0:0:0:ffff:6a8:b5fd
6.168.181.254 0:0:0:0:0:ffff:6a8:b5fe
6.168.181.255 0:0:0:0:0:ffff:6a8: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.