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
197.151.181.1 0:0:0:0:0:ffff:c597:b501
197.151.181.2 0:0:0:0:0:ffff:c597:b502
197.151.181.3 0:0:0:0:0:ffff:c597:b503
197.151.181.4 0:0:0:0:0:ffff:c597:b504
197.151.181.5 0:0:0:0:0:ffff:c597:b505
197.151.181.6 0:0:0:0:0:ffff:c597:b506
197.151.181.7 0:0:0:0:0:ffff:c597:b507
197.151.181.8 0:0:0:0:0:ffff:c597:b508
197.151.181.9 0:0:0:0:0:ffff:c597:b509
197.151.181.10 0:0:0:0:0:ffff:c597:b50a
197.151.181.11 0:0:0:0:0:ffff:c597:b50b
197.151.181.12 0:0:0:0:0:ffff:c597:b50c
197.151.181.13 0:0:0:0:0:ffff:c597:b50d
197.151.181.14 0:0:0:0:0:ffff:c597:b50e
197.151.181.15 0:0:0:0:0:ffff:c597:b50f
197.151.181.16 0:0:0:0:0:ffff:c597:b510
197.151.181.17 0:0:0:0:0:ffff:c597:b511
197.151.181.18 0:0:0:0:0:ffff:c597:b512
197.151.181.19 0:0:0:0:0:ffff:c597:b513
197.151.181.20 0:0:0:0:0:ffff:c597:b514
197.151.181.21 0:0:0:0:0:ffff:c597:b515
197.151.181.22 0:0:0:0:0:ffff:c597:b516
197.151.181.23 0:0:0:0:0:ffff:c597:b517
197.151.181.24 0:0:0:0:0:ffff:c597:b518
197.151.181.25 0:0:0:0:0:ffff:c597:b519
197.151.181.26 0:0:0:0:0:ffff:c597:b51a
197.151.181.27 0:0:0:0:0:ffff:c597:b51b
197.151.181.28 0:0:0:0:0:ffff:c597:b51c
197.151.181.29 0:0:0:0:0:ffff:c597:b51d
197.151.181.30 0:0:0:0:0:ffff:c597:b51e
197.151.181.31 0:0:0:0:0:ffff:c597:b51f
197.151.181.32 0:0:0:0:0:ffff:c597:b520
197.151.181.33 0:0:0:0:0:ffff:c597:b521
197.151.181.34 0:0:0:0:0:ffff:c597:b522
197.151.181.35 0:0:0:0:0:ffff:c597:b523
197.151.181.36 0:0:0:0:0:ffff:c597:b524
197.151.181.37 0:0:0:0:0:ffff:c597:b525
197.151.181.38 0:0:0:0:0:ffff:c597:b526
197.151.181.39 0:0:0:0:0:ffff:c597:b527
197.151.181.40 0:0:0:0:0:ffff:c597:b528
197.151.181.41 0:0:0:0:0:ffff:c597:b529
197.151.181.42 0:0:0:0:0:ffff:c597:b52a
197.151.181.43 0:0:0:0:0:ffff:c597:b52b
197.151.181.44 0:0:0:0:0:ffff:c597:b52c
197.151.181.45 0:0:0:0:0:ffff:c597:b52d
197.151.181.46 0:0:0:0:0:ffff:c597:b52e
197.151.181.47 0:0:0:0:0:ffff:c597:b52f
197.151.181.48 0:0:0:0:0:ffff:c597:b530
197.151.181.49 0:0:0:0:0:ffff:c597:b531
197.151.181.50 0:0:0:0:0:ffff:c597:b532
197.151.181.51 0:0:0:0:0:ffff:c597:b533
197.151.181.52 0:0:0:0:0:ffff:c597:b534
197.151.181.53 0:0:0:0:0:ffff:c597:b535
197.151.181.54 0:0:0:0:0:ffff:c597:b536
197.151.181.55 0:0:0:0:0:ffff:c597:b537
197.151.181.56 0:0:0:0:0:ffff:c597:b538
197.151.181.57 0:0:0:0:0:ffff:c597:b539
197.151.181.58 0:0:0:0:0:ffff:c597:b53a
197.151.181.59 0:0:0:0:0:ffff:c597:b53b
197.151.181.60 0:0:0:0:0:ffff:c597:b53c


197.151.181.61 0:0:0:0:0:ffff:c597:b53d
197.151.181.62 0:0:0:0:0:ffff:c597:b53e
197.151.181.63 0:0:0:0:0:ffff:c597:b53f
197.151.181.64 0:0:0:0:0:ffff:c597:b540
197.151.181.65 0:0:0:0:0:ffff:c597:b541
197.151.181.66 0:0:0:0:0:ffff:c597:b542
197.151.181.67 0:0:0:0:0:ffff:c597:b543
197.151.181.68 0:0:0:0:0:ffff:c597:b544
197.151.181.69 0:0:0:0:0:ffff:c597:b545
197.151.181.70 0:0:0:0:0:ffff:c597:b546
197.151.181.71 0:0:0:0:0:ffff:c597:b547
197.151.181.72 0:0:0:0:0:ffff:c597:b548
197.151.181.73 0:0:0:0:0:ffff:c597:b549
197.151.181.74 0:0:0:0:0:ffff:c597:b54a
197.151.181.75 0:0:0:0:0:ffff:c597:b54b
197.151.181.76 0:0:0:0:0:ffff:c597:b54c
197.151.181.77 0:0:0:0:0:ffff:c597:b54d
197.151.181.78 0:0:0:0:0:ffff:c597:b54e
197.151.181.79 0:0:0:0:0:ffff:c597:b54f
197.151.181.80 0:0:0:0:0:ffff:c597:b550
197.151.181.81 0:0:0:0:0:ffff:c597:b551
197.151.181.82 0:0:0:0:0:ffff:c597:b552
197.151.181.83 0:0:0:0:0:ffff:c597:b553
197.151.181.84 0:0:0:0:0:ffff:c597:b554
197.151.181.85 0:0:0:0:0:ffff:c597:b555
197.151.181.86 0:0:0:0:0:ffff:c597:b556
197.151.181.87 0:0:0:0:0:ffff:c597:b557
197.151.181.88 0:0:0:0:0:ffff:c597:b558
197.151.181.89 0:0:0:0:0:ffff:c597:b559
197.151.181.90 0:0:0:0:0:ffff:c597:b55a
197.151.181.91 0:0:0:0:0:ffff:c597:b55b
197.151.181.92 0:0:0:0:0:ffff:c597:b55c
197.151.181.93 0:0:0:0:0:ffff:c597:b55d
197.151.181.94 0:0:0:0:0:ffff:c597:b55e
197.151.181.95 0:0:0:0:0:ffff:c597:b55f
197.151.181.96 0:0:0:0:0:ffff:c597:b560
197.151.181.97 0:0:0:0:0:ffff:c597:b561
197.151.181.98 0:0:0:0:0:ffff:c597:b562
197.151.181.99 0:0:0:0:0:ffff:c597:b563
197.151.181.100 0:0:0:0:0:ffff:c597:b564
197.151.181.101 0:0:0:0:0:ffff:c597:b565
197.151.181.102 0:0:0:0:0:ffff:c597:b566
197.151.181.103 0:0:0:0:0:ffff:c597:b567
197.151.181.104 0:0:0:0:0:ffff:c597:b568
197.151.181.105 0:0:0:0:0:ffff:c597:b569
197.151.181.106 0:0:0:0:0:ffff:c597:b56a
197.151.181.107 0:0:0:0:0:ffff:c597:b56b
197.151.181.108 0:0:0:0:0:ffff:c597:b56c
197.151.181.109 0:0:0:0:0:ffff:c597:b56d
197.151.181.110 0:0:0:0:0:ffff:c597:b56e
197.151.181.111 0:0:0:0:0:ffff:c597:b56f
197.151.181.112 0:0:0:0:0:ffff:c597:b570
197.151.181.113 0:0:0:0:0:ffff:c597:b571
197.151.181.114 0:0:0:0:0:ffff:c597:b572
197.151.181.115 0:0:0:0:0:ffff:c597:b573
197.151.181.116 0:0:0:0:0:ffff:c597:b574
197.151.181.117 0:0:0:0:0:ffff:c597:b575
197.151.181.118 0:0:0:0:0:ffff:c597:b576
197.151.181.119 0:0:0:0:0:ffff:c597:b577
197.151.181.120 0:0:0:0:0:ffff:c597:b578


197.151.181.121 0:0:0:0:0:ffff:c597:b579
197.151.181.122 0:0:0:0:0:ffff:c597:b57a
197.151.181.123 0:0:0:0:0:ffff:c597:b57b
197.151.181.124 0:0:0:0:0:ffff:c597:b57c
197.151.181.125 0:0:0:0:0:ffff:c597:b57d
197.151.181.126 0:0:0:0:0:ffff:c597:b57e
197.151.181.127 0:0:0:0:0:ffff:c597:b57f
197.151.181.128 0:0:0:0:0:ffff:c597:b580
197.151.181.129 0:0:0:0:0:ffff:c597:b581
197.151.181.130 0:0:0:0:0:ffff:c597:b582
197.151.181.131 0:0:0:0:0:ffff:c597:b583
197.151.181.132 0:0:0:0:0:ffff:c597:b584
197.151.181.133 0:0:0:0:0:ffff:c597:b585
197.151.181.134 0:0:0:0:0:ffff:c597:b586
197.151.181.135 0:0:0:0:0:ffff:c597:b587
197.151.181.136 0:0:0:0:0:ffff:c597:b588
197.151.181.137 0:0:0:0:0:ffff:c597:b589
197.151.181.138 0:0:0:0:0:ffff:c597:b58a
197.151.181.139 0:0:0:0:0:ffff:c597:b58b
197.151.181.140 0:0:0:0:0:ffff:c597:b58c
197.151.181.141 0:0:0:0:0:ffff:c597:b58d
197.151.181.142 0:0:0:0:0:ffff:c597:b58e
197.151.181.143 0:0:0:0:0:ffff:c597:b58f
197.151.181.144 0:0:0:0:0:ffff:c597:b590
197.151.181.145 0:0:0:0:0:ffff:c597:b591
197.151.181.146 0:0:0:0:0:ffff:c597:b592
197.151.181.147 0:0:0:0:0:ffff:c597:b593
197.151.181.148 0:0:0:0:0:ffff:c597:b594
197.151.181.149 0:0:0:0:0:ffff:c597:b595
197.151.181.150 0:0:0:0:0:ffff:c597:b596
197.151.181.151 0:0:0:0:0:ffff:c597:b597
197.151.181.152 0:0:0:0:0:ffff:c597:b598
197.151.181.153 0:0:0:0:0:ffff:c597:b599
197.151.181.154 0:0:0:0:0:ffff:c597:b59a
197.151.181.155 0:0:0:0:0:ffff:c597:b59b
197.151.181.156 0:0:0:0:0:ffff:c597:b59c
197.151.181.157 0:0:0:0:0:ffff:c597:b59d
197.151.181.158 0:0:0:0:0:ffff:c597:b59e
197.151.181.159 0:0:0:0:0:ffff:c597:b59f
197.151.181.160 0:0:0:0:0:ffff:c597:b5a0
197.151.181.161 0:0:0:0:0:ffff:c597:b5a1
197.151.181.162 0:0:0:0:0:ffff:c597:b5a2
197.151.181.163 0:0:0:0:0:ffff:c597:b5a3
197.151.181.164 0:0:0:0:0:ffff:c597:b5a4
197.151.181.165 0:0:0:0:0:ffff:c597:b5a5
197.151.181.166 0:0:0:0:0:ffff:c597:b5a6
197.151.181.167 0:0:0:0:0:ffff:c597:b5a7
197.151.181.168 0:0:0:0:0:ffff:c597:b5a8
197.151.181.169 0:0:0:0:0:ffff:c597:b5a9
197.151.181.170 0:0:0:0:0:ffff:c597:b5aa
197.151.181.171 0:0:0:0:0:ffff:c597:b5ab
197.151.181.172 0:0:0:0:0:ffff:c597:b5ac
197.151.181.173 0:0:0:0:0:ffff:c597:b5ad
197.151.181.174 0:0:0:0:0:ffff:c597:b5ae
197.151.181.175 0:0:0:0:0:ffff:c597:b5af
197.151.181.176 0:0:0:0:0:ffff:c597:b5b0
197.151.181.177 0:0:0:0:0:ffff:c597:b5b1
197.151.181.178 0:0:0:0:0:ffff:c597:b5b2
197.151.181.179 0:0:0:0:0:ffff:c597:b5b3
197.151.181.180 0:0:0:0:0:ffff:c597:b5b4


197.151.181.181 0:0:0:0:0:ffff:c597:b5b5
197.151.181.182 0:0:0:0:0:ffff:c597:b5b6
197.151.181.183 0:0:0:0:0:ffff:c597:b5b7
197.151.181.184 0:0:0:0:0:ffff:c597:b5b8
197.151.181.185 0:0:0:0:0:ffff:c597:b5b9
197.151.181.186 0:0:0:0:0:ffff:c597:b5ba
197.151.181.187 0:0:0:0:0:ffff:c597:b5bb
197.151.181.188 0:0:0:0:0:ffff:c597:b5bc
197.151.181.189 0:0:0:0:0:ffff:c597:b5bd
197.151.181.190 0:0:0:0:0:ffff:c597:b5be
197.151.181.191 0:0:0:0:0:ffff:c597:b5bf
197.151.181.192 0:0:0:0:0:ffff:c597:b5c0
197.151.181.193 0:0:0:0:0:ffff:c597:b5c1
197.151.181.194 0:0:0:0:0:ffff:c597:b5c2
197.151.181.195 0:0:0:0:0:ffff:c597:b5c3
197.151.181.196 0:0:0:0:0:ffff:c597:b5c4
197.151.181.197 0:0:0:0:0:ffff:c597:b5c5
197.151.181.198 0:0:0:0:0:ffff:c597:b5c6
197.151.181.199 0:0:0:0:0:ffff:c597:b5c7
197.151.181.200 0:0:0:0:0:ffff:c597:b5c8
197.151.181.201 0:0:0:0:0:ffff:c597:b5c9
197.151.181.202 0:0:0:0:0:ffff:c597:b5ca
197.151.181.203 0:0:0:0:0:ffff:c597:b5cb
197.151.181.204 0:0:0:0:0:ffff:c597:b5cc
197.151.181.205 0:0:0:0:0:ffff:c597:b5cd
197.151.181.206 0:0:0:0:0:ffff:c597:b5ce
197.151.181.207 0:0:0:0:0:ffff:c597:b5cf
197.151.181.208 0:0:0:0:0:ffff:c597:b5d0
197.151.181.209 0:0:0:0:0:ffff:c597:b5d1
197.151.181.210 0:0:0:0:0:ffff:c597:b5d2
197.151.181.211 0:0:0:0:0:ffff:c597:b5d3
197.151.181.212 0:0:0:0:0:ffff:c597:b5d4
197.151.181.213 0:0:0:0:0:ffff:c597:b5d5
197.151.181.214 0:0:0:0:0:ffff:c597:b5d6
197.151.181.215 0:0:0:0:0:ffff:c597:b5d7
197.151.181.216 0:0:0:0:0:ffff:c597:b5d8
197.151.181.217 0:0:0:0:0:ffff:c597:b5d9
197.151.181.218 0:0:0:0:0:ffff:c597:b5da
197.151.181.219 0:0:0:0:0:ffff:c597:b5db
197.151.181.220 0:0:0:0:0:ffff:c597:b5dc
197.151.181.221 0:0:0:0:0:ffff:c597:b5dd
197.151.181.222 0:0:0:0:0:ffff:c597:b5de
197.151.181.223 0:0:0:0:0:ffff:c597:b5df
197.151.181.224 0:0:0:0:0:ffff:c597:b5e0
197.151.181.225 0:0:0:0:0:ffff:c597:b5e1
197.151.181.226 0:0:0:0:0:ffff:c597:b5e2
197.151.181.227 0:0:0:0:0:ffff:c597:b5e3
197.151.181.228 0:0:0:0:0:ffff:c597:b5e4
197.151.181.229 0:0:0:0:0:ffff:c597:b5e5
197.151.181.230 0:0:0:0:0:ffff:c597:b5e6
197.151.181.231 0:0:0:0:0:ffff:c597:b5e7
197.151.181.232 0:0:0:0:0:ffff:c597:b5e8
197.151.181.233 0:0:0:0:0:ffff:c597:b5e9
197.151.181.234 0:0:0:0:0:ffff:c597:b5ea
197.151.181.235 0:0:0:0:0:ffff:c597:b5eb
197.151.181.236 0:0:0:0:0:ffff:c597:b5ec
197.151.181.237 0:0:0:0:0:ffff:c597:b5ed
197.151.181.238 0:0:0:0:0:ffff:c597:b5ee
197.151.181.239 0:0:0:0:0:ffff:c597:b5ef
197.151.181.240 0:0:0:0:0:ffff:c597:b5f0
197.151.181.241 0:0:0:0:0:ffff:c597:b5f1
197.151.181.242 0:0:0:0:0:ffff:c597:b5f2
197.151.181.243 0:0:0:0:0:ffff:c597:b5f3
197.151.181.244 0:0:0:0:0:ffff:c597:b5f4
197.151.181.245 0:0:0:0:0:ffff:c597:b5f5
197.151.181.246 0:0:0:0:0:ffff:c597:b5f6
197.151.181.247 0:0:0:0:0:ffff:c597:b5f7
197.151.181.248 0:0:0:0:0:ffff:c597:b5f8
197.151.181.249 0:0:0:0:0:ffff:c597:b5f9
197.151.181.250 0:0:0:0:0:ffff:c597:b5fa
197.151.181.251 0:0:0:0:0:ffff:c597:b5fb
197.151.181.252 0:0:0:0:0:ffff:c597:b5fc
197.151.181.253 0:0:0:0:0:ffff:c597:b5fd
197.151.181.254 0:0:0:0:0:ffff:c597:b5fe
197.151.181.255 0:0:0:0:0:ffff:c597: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.