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
157.159.181.1 0:0:0:0:0:ffff:9d9f:b501
157.159.181.2 0:0:0:0:0:ffff:9d9f:b502
157.159.181.3 0:0:0:0:0:ffff:9d9f:b503
157.159.181.4 0:0:0:0:0:ffff:9d9f:b504
157.159.181.5 0:0:0:0:0:ffff:9d9f:b505
157.159.181.6 0:0:0:0:0:ffff:9d9f:b506
157.159.181.7 0:0:0:0:0:ffff:9d9f:b507
157.159.181.8 0:0:0:0:0:ffff:9d9f:b508
157.159.181.9 0:0:0:0:0:ffff:9d9f:b509
157.159.181.10 0:0:0:0:0:ffff:9d9f:b50a
157.159.181.11 0:0:0:0:0:ffff:9d9f:b50b
157.159.181.12 0:0:0:0:0:ffff:9d9f:b50c
157.159.181.13 0:0:0:0:0:ffff:9d9f:b50d
157.159.181.14 0:0:0:0:0:ffff:9d9f:b50e
157.159.181.15 0:0:0:0:0:ffff:9d9f:b50f
157.159.181.16 0:0:0:0:0:ffff:9d9f:b510
157.159.181.17 0:0:0:0:0:ffff:9d9f:b511
157.159.181.18 0:0:0:0:0:ffff:9d9f:b512
157.159.181.19 0:0:0:0:0:ffff:9d9f:b513
157.159.181.20 0:0:0:0:0:ffff:9d9f:b514
157.159.181.21 0:0:0:0:0:ffff:9d9f:b515
157.159.181.22 0:0:0:0:0:ffff:9d9f:b516
157.159.181.23 0:0:0:0:0:ffff:9d9f:b517
157.159.181.24 0:0:0:0:0:ffff:9d9f:b518
157.159.181.25 0:0:0:0:0:ffff:9d9f:b519
157.159.181.26 0:0:0:0:0:ffff:9d9f:b51a
157.159.181.27 0:0:0:0:0:ffff:9d9f:b51b
157.159.181.28 0:0:0:0:0:ffff:9d9f:b51c
157.159.181.29 0:0:0:0:0:ffff:9d9f:b51d
157.159.181.30 0:0:0:0:0:ffff:9d9f:b51e
157.159.181.31 0:0:0:0:0:ffff:9d9f:b51f
157.159.181.32 0:0:0:0:0:ffff:9d9f:b520
157.159.181.33 0:0:0:0:0:ffff:9d9f:b521
157.159.181.34 0:0:0:0:0:ffff:9d9f:b522
157.159.181.35 0:0:0:0:0:ffff:9d9f:b523
157.159.181.36 0:0:0:0:0:ffff:9d9f:b524
157.159.181.37 0:0:0:0:0:ffff:9d9f:b525
157.159.181.38 0:0:0:0:0:ffff:9d9f:b526
157.159.181.39 0:0:0:0:0:ffff:9d9f:b527
157.159.181.40 0:0:0:0:0:ffff:9d9f:b528
157.159.181.41 0:0:0:0:0:ffff:9d9f:b529
157.159.181.42 0:0:0:0:0:ffff:9d9f:b52a
157.159.181.43 0:0:0:0:0:ffff:9d9f:b52b
157.159.181.44 0:0:0:0:0:ffff:9d9f:b52c
157.159.181.45 0:0:0:0:0:ffff:9d9f:b52d
157.159.181.46 0:0:0:0:0:ffff:9d9f:b52e
157.159.181.47 0:0:0:0:0:ffff:9d9f:b52f
157.159.181.48 0:0:0:0:0:ffff:9d9f:b530
157.159.181.49 0:0:0:0:0:ffff:9d9f:b531
157.159.181.50 0:0:0:0:0:ffff:9d9f:b532
157.159.181.51 0:0:0:0:0:ffff:9d9f:b533
157.159.181.52 0:0:0:0:0:ffff:9d9f:b534
157.159.181.53 0:0:0:0:0:ffff:9d9f:b535
157.159.181.54 0:0:0:0:0:ffff:9d9f:b536
157.159.181.55 0:0:0:0:0:ffff:9d9f:b537
157.159.181.56 0:0:0:0:0:ffff:9d9f:b538
157.159.181.57 0:0:0:0:0:ffff:9d9f:b539
157.159.181.58 0:0:0:0:0:ffff:9d9f:b53a
157.159.181.59 0:0:0:0:0:ffff:9d9f:b53b
157.159.181.60 0:0:0:0:0:ffff:9d9f:b53c


157.159.181.61 0:0:0:0:0:ffff:9d9f:b53d
157.159.181.62 0:0:0:0:0:ffff:9d9f:b53e
157.159.181.63 0:0:0:0:0:ffff:9d9f:b53f
157.159.181.64 0:0:0:0:0:ffff:9d9f:b540
157.159.181.65 0:0:0:0:0:ffff:9d9f:b541
157.159.181.66 0:0:0:0:0:ffff:9d9f:b542
157.159.181.67 0:0:0:0:0:ffff:9d9f:b543
157.159.181.68 0:0:0:0:0:ffff:9d9f:b544
157.159.181.69 0:0:0:0:0:ffff:9d9f:b545
157.159.181.70 0:0:0:0:0:ffff:9d9f:b546
157.159.181.71 0:0:0:0:0:ffff:9d9f:b547
157.159.181.72 0:0:0:0:0:ffff:9d9f:b548
157.159.181.73 0:0:0:0:0:ffff:9d9f:b549
157.159.181.74 0:0:0:0:0:ffff:9d9f:b54a
157.159.181.75 0:0:0:0:0:ffff:9d9f:b54b
157.159.181.76 0:0:0:0:0:ffff:9d9f:b54c
157.159.181.77 0:0:0:0:0:ffff:9d9f:b54d
157.159.181.78 0:0:0:0:0:ffff:9d9f:b54e
157.159.181.79 0:0:0:0:0:ffff:9d9f:b54f
157.159.181.80 0:0:0:0:0:ffff:9d9f:b550
157.159.181.81 0:0:0:0:0:ffff:9d9f:b551
157.159.181.82 0:0:0:0:0:ffff:9d9f:b552
157.159.181.83 0:0:0:0:0:ffff:9d9f:b553
157.159.181.84 0:0:0:0:0:ffff:9d9f:b554
157.159.181.85 0:0:0:0:0:ffff:9d9f:b555
157.159.181.86 0:0:0:0:0:ffff:9d9f:b556
157.159.181.87 0:0:0:0:0:ffff:9d9f:b557
157.159.181.88 0:0:0:0:0:ffff:9d9f:b558
157.159.181.89 0:0:0:0:0:ffff:9d9f:b559
157.159.181.90 0:0:0:0:0:ffff:9d9f:b55a
157.159.181.91 0:0:0:0:0:ffff:9d9f:b55b
157.159.181.92 0:0:0:0:0:ffff:9d9f:b55c
157.159.181.93 0:0:0:0:0:ffff:9d9f:b55d
157.159.181.94 0:0:0:0:0:ffff:9d9f:b55e
157.159.181.95 0:0:0:0:0:ffff:9d9f:b55f
157.159.181.96 0:0:0:0:0:ffff:9d9f:b560
157.159.181.97 0:0:0:0:0:ffff:9d9f:b561
157.159.181.98 0:0:0:0:0:ffff:9d9f:b562
157.159.181.99 0:0:0:0:0:ffff:9d9f:b563
157.159.181.100 0:0:0:0:0:ffff:9d9f:b564
157.159.181.101 0:0:0:0:0:ffff:9d9f:b565
157.159.181.102 0:0:0:0:0:ffff:9d9f:b566
157.159.181.103 0:0:0:0:0:ffff:9d9f:b567
157.159.181.104 0:0:0:0:0:ffff:9d9f:b568
157.159.181.105 0:0:0:0:0:ffff:9d9f:b569
157.159.181.106 0:0:0:0:0:ffff:9d9f:b56a
157.159.181.107 0:0:0:0:0:ffff:9d9f:b56b
157.159.181.108 0:0:0:0:0:ffff:9d9f:b56c
157.159.181.109 0:0:0:0:0:ffff:9d9f:b56d
157.159.181.110 0:0:0:0:0:ffff:9d9f:b56e
157.159.181.111 0:0:0:0:0:ffff:9d9f:b56f
157.159.181.112 0:0:0:0:0:ffff:9d9f:b570
157.159.181.113 0:0:0:0:0:ffff:9d9f:b571
157.159.181.114 0:0:0:0:0:ffff:9d9f:b572
157.159.181.115 0:0:0:0:0:ffff:9d9f:b573
157.159.181.116 0:0:0:0:0:ffff:9d9f:b574
157.159.181.117 0:0:0:0:0:ffff:9d9f:b575
157.159.181.118 0:0:0:0:0:ffff:9d9f:b576
157.159.181.119 0:0:0:0:0:ffff:9d9f:b577
157.159.181.120 0:0:0:0:0:ffff:9d9f:b578


157.159.181.121 0:0:0:0:0:ffff:9d9f:b579
157.159.181.122 0:0:0:0:0:ffff:9d9f:b57a
157.159.181.123 0:0:0:0:0:ffff:9d9f:b57b
157.159.181.124 0:0:0:0:0:ffff:9d9f:b57c
157.159.181.125 0:0:0:0:0:ffff:9d9f:b57d
157.159.181.126 0:0:0:0:0:ffff:9d9f:b57e
157.159.181.127 0:0:0:0:0:ffff:9d9f:b57f
157.159.181.128 0:0:0:0:0:ffff:9d9f:b580
157.159.181.129 0:0:0:0:0:ffff:9d9f:b581
157.159.181.130 0:0:0:0:0:ffff:9d9f:b582
157.159.181.131 0:0:0:0:0:ffff:9d9f:b583
157.159.181.132 0:0:0:0:0:ffff:9d9f:b584
157.159.181.133 0:0:0:0:0:ffff:9d9f:b585
157.159.181.134 0:0:0:0:0:ffff:9d9f:b586
157.159.181.135 0:0:0:0:0:ffff:9d9f:b587
157.159.181.136 0:0:0:0:0:ffff:9d9f:b588
157.159.181.137 0:0:0:0:0:ffff:9d9f:b589
157.159.181.138 0:0:0:0:0:ffff:9d9f:b58a
157.159.181.139 0:0:0:0:0:ffff:9d9f:b58b
157.159.181.140 0:0:0:0:0:ffff:9d9f:b58c
157.159.181.141 0:0:0:0:0:ffff:9d9f:b58d
157.159.181.142 0:0:0:0:0:ffff:9d9f:b58e
157.159.181.143 0:0:0:0:0:ffff:9d9f:b58f
157.159.181.144 0:0:0:0:0:ffff:9d9f:b590
157.159.181.145 0:0:0:0:0:ffff:9d9f:b591
157.159.181.146 0:0:0:0:0:ffff:9d9f:b592
157.159.181.147 0:0:0:0:0:ffff:9d9f:b593
157.159.181.148 0:0:0:0:0:ffff:9d9f:b594
157.159.181.149 0:0:0:0:0:ffff:9d9f:b595
157.159.181.150 0:0:0:0:0:ffff:9d9f:b596
157.159.181.151 0:0:0:0:0:ffff:9d9f:b597
157.159.181.152 0:0:0:0:0:ffff:9d9f:b598
157.159.181.153 0:0:0:0:0:ffff:9d9f:b599
157.159.181.154 0:0:0:0:0:ffff:9d9f:b59a
157.159.181.155 0:0:0:0:0:ffff:9d9f:b59b
157.159.181.156 0:0:0:0:0:ffff:9d9f:b59c
157.159.181.157 0:0:0:0:0:ffff:9d9f:b59d
157.159.181.158 0:0:0:0:0:ffff:9d9f:b59e
157.159.181.159 0:0:0:0:0:ffff:9d9f:b59f
157.159.181.160 0:0:0:0:0:ffff:9d9f:b5a0
157.159.181.161 0:0:0:0:0:ffff:9d9f:b5a1
157.159.181.162 0:0:0:0:0:ffff:9d9f:b5a2
157.159.181.163 0:0:0:0:0:ffff:9d9f:b5a3
157.159.181.164 0:0:0:0:0:ffff:9d9f:b5a4
157.159.181.165 0:0:0:0:0:ffff:9d9f:b5a5
157.159.181.166 0:0:0:0:0:ffff:9d9f:b5a6
157.159.181.167 0:0:0:0:0:ffff:9d9f:b5a7
157.159.181.168 0:0:0:0:0:ffff:9d9f:b5a8
157.159.181.169 0:0:0:0:0:ffff:9d9f:b5a9
157.159.181.170 0:0:0:0:0:ffff:9d9f:b5aa
157.159.181.171 0:0:0:0:0:ffff:9d9f:b5ab
157.159.181.172 0:0:0:0:0:ffff:9d9f:b5ac
157.159.181.173 0:0:0:0:0:ffff:9d9f:b5ad
157.159.181.174 0:0:0:0:0:ffff:9d9f:b5ae
157.159.181.175 0:0:0:0:0:ffff:9d9f:b5af
157.159.181.176 0:0:0:0:0:ffff:9d9f:b5b0
157.159.181.177 0:0:0:0:0:ffff:9d9f:b5b1
157.159.181.178 0:0:0:0:0:ffff:9d9f:b5b2
157.159.181.179 0:0:0:0:0:ffff:9d9f:b5b3
157.159.181.180 0:0:0:0:0:ffff:9d9f:b5b4


157.159.181.181 0:0:0:0:0:ffff:9d9f:b5b5
157.159.181.182 0:0:0:0:0:ffff:9d9f:b5b6
157.159.181.183 0:0:0:0:0:ffff:9d9f:b5b7
157.159.181.184 0:0:0:0:0:ffff:9d9f:b5b8
157.159.181.185 0:0:0:0:0:ffff:9d9f:b5b9
157.159.181.186 0:0:0:0:0:ffff:9d9f:b5ba
157.159.181.187 0:0:0:0:0:ffff:9d9f:b5bb
157.159.181.188 0:0:0:0:0:ffff:9d9f:b5bc
157.159.181.189 0:0:0:0:0:ffff:9d9f:b5bd
157.159.181.190 0:0:0:0:0:ffff:9d9f:b5be
157.159.181.191 0:0:0:0:0:ffff:9d9f:b5bf
157.159.181.192 0:0:0:0:0:ffff:9d9f:b5c0
157.159.181.193 0:0:0:0:0:ffff:9d9f:b5c1
157.159.181.194 0:0:0:0:0:ffff:9d9f:b5c2
157.159.181.195 0:0:0:0:0:ffff:9d9f:b5c3
157.159.181.196 0:0:0:0:0:ffff:9d9f:b5c4
157.159.181.197 0:0:0:0:0:ffff:9d9f:b5c5
157.159.181.198 0:0:0:0:0:ffff:9d9f:b5c6
157.159.181.199 0:0:0:0:0:ffff:9d9f:b5c7
157.159.181.200 0:0:0:0:0:ffff:9d9f:b5c8
157.159.181.201 0:0:0:0:0:ffff:9d9f:b5c9
157.159.181.202 0:0:0:0:0:ffff:9d9f:b5ca
157.159.181.203 0:0:0:0:0:ffff:9d9f:b5cb
157.159.181.204 0:0:0:0:0:ffff:9d9f:b5cc
157.159.181.205 0:0:0:0:0:ffff:9d9f:b5cd
157.159.181.206 0:0:0:0:0:ffff:9d9f:b5ce
157.159.181.207 0:0:0:0:0:ffff:9d9f:b5cf
157.159.181.208 0:0:0:0:0:ffff:9d9f:b5d0
157.159.181.209 0:0:0:0:0:ffff:9d9f:b5d1
157.159.181.210 0:0:0:0:0:ffff:9d9f:b5d2
157.159.181.211 0:0:0:0:0:ffff:9d9f:b5d3
157.159.181.212 0:0:0:0:0:ffff:9d9f:b5d4
157.159.181.213 0:0:0:0:0:ffff:9d9f:b5d5
157.159.181.214 0:0:0:0:0:ffff:9d9f:b5d6
157.159.181.215 0:0:0:0:0:ffff:9d9f:b5d7
157.159.181.216 0:0:0:0:0:ffff:9d9f:b5d8
157.159.181.217 0:0:0:0:0:ffff:9d9f:b5d9
157.159.181.218 0:0:0:0:0:ffff:9d9f:b5da
157.159.181.219 0:0:0:0:0:ffff:9d9f:b5db
157.159.181.220 0:0:0:0:0:ffff:9d9f:b5dc
157.159.181.221 0:0:0:0:0:ffff:9d9f:b5dd
157.159.181.222 0:0:0:0:0:ffff:9d9f:b5de
157.159.181.223 0:0:0:0:0:ffff:9d9f:b5df
157.159.181.224 0:0:0:0:0:ffff:9d9f:b5e0
157.159.181.225 0:0:0:0:0:ffff:9d9f:b5e1
157.159.181.226 0:0:0:0:0:ffff:9d9f:b5e2
157.159.181.227 0:0:0:0:0:ffff:9d9f:b5e3
157.159.181.228 0:0:0:0:0:ffff:9d9f:b5e4
157.159.181.229 0:0:0:0:0:ffff:9d9f:b5e5
157.159.181.230 0:0:0:0:0:ffff:9d9f:b5e6
157.159.181.231 0:0:0:0:0:ffff:9d9f:b5e7
157.159.181.232 0:0:0:0:0:ffff:9d9f:b5e8
157.159.181.233 0:0:0:0:0:ffff:9d9f:b5e9
157.159.181.234 0:0:0:0:0:ffff:9d9f:b5ea
157.159.181.235 0:0:0:0:0:ffff:9d9f:b5eb
157.159.181.236 0:0:0:0:0:ffff:9d9f:b5ec
157.159.181.237 0:0:0:0:0:ffff:9d9f:b5ed
157.159.181.238 0:0:0:0:0:ffff:9d9f:b5ee
157.159.181.239 0:0:0:0:0:ffff:9d9f:b5ef
157.159.181.240 0:0:0:0:0:ffff:9d9f:b5f0
157.159.181.241 0:0:0:0:0:ffff:9d9f:b5f1
157.159.181.242 0:0:0:0:0:ffff:9d9f:b5f2
157.159.181.243 0:0:0:0:0:ffff:9d9f:b5f3
157.159.181.244 0:0:0:0:0:ffff:9d9f:b5f4
157.159.181.245 0:0:0:0:0:ffff:9d9f:b5f5
157.159.181.246 0:0:0:0:0:ffff:9d9f:b5f6
157.159.181.247 0:0:0:0:0:ffff:9d9f:b5f7
157.159.181.248 0:0:0:0:0:ffff:9d9f:b5f8
157.159.181.249 0:0:0:0:0:ffff:9d9f:b5f9
157.159.181.250 0:0:0:0:0:ffff:9d9f:b5fa
157.159.181.251 0:0:0:0:0:ffff:9d9f:b5fb
157.159.181.252 0:0:0:0:0:ffff:9d9f:b5fc
157.159.181.253 0:0:0:0:0:ffff:9d9f:b5fd
157.159.181.254 0:0:0:0:0:ffff:9d9f:b5fe
157.159.181.255 0:0:0:0:0:ffff:9d9f: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.