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
11.37.181.1 0:0:0:0:0:ffff:b25:b501
11.37.181.2 0:0:0:0:0:ffff:b25:b502
11.37.181.3 0:0:0:0:0:ffff:b25:b503
11.37.181.4 0:0:0:0:0:ffff:b25:b504
11.37.181.5 0:0:0:0:0:ffff:b25:b505
11.37.181.6 0:0:0:0:0:ffff:b25:b506
11.37.181.7 0:0:0:0:0:ffff:b25:b507
11.37.181.8 0:0:0:0:0:ffff:b25:b508
11.37.181.9 0:0:0:0:0:ffff:b25:b509
11.37.181.10 0:0:0:0:0:ffff:b25:b50a
11.37.181.11 0:0:0:0:0:ffff:b25:b50b
11.37.181.12 0:0:0:0:0:ffff:b25:b50c
11.37.181.13 0:0:0:0:0:ffff:b25:b50d
11.37.181.14 0:0:0:0:0:ffff:b25:b50e
11.37.181.15 0:0:0:0:0:ffff:b25:b50f
11.37.181.16 0:0:0:0:0:ffff:b25:b510
11.37.181.17 0:0:0:0:0:ffff:b25:b511
11.37.181.18 0:0:0:0:0:ffff:b25:b512
11.37.181.19 0:0:0:0:0:ffff:b25:b513
11.37.181.20 0:0:0:0:0:ffff:b25:b514
11.37.181.21 0:0:0:0:0:ffff:b25:b515
11.37.181.22 0:0:0:0:0:ffff:b25:b516
11.37.181.23 0:0:0:0:0:ffff:b25:b517
11.37.181.24 0:0:0:0:0:ffff:b25:b518
11.37.181.25 0:0:0:0:0:ffff:b25:b519
11.37.181.26 0:0:0:0:0:ffff:b25:b51a
11.37.181.27 0:0:0:0:0:ffff:b25:b51b
11.37.181.28 0:0:0:0:0:ffff:b25:b51c
11.37.181.29 0:0:0:0:0:ffff:b25:b51d
11.37.181.30 0:0:0:0:0:ffff:b25:b51e
11.37.181.31 0:0:0:0:0:ffff:b25:b51f
11.37.181.32 0:0:0:0:0:ffff:b25:b520
11.37.181.33 0:0:0:0:0:ffff:b25:b521
11.37.181.34 0:0:0:0:0:ffff:b25:b522
11.37.181.35 0:0:0:0:0:ffff:b25:b523
11.37.181.36 0:0:0:0:0:ffff:b25:b524
11.37.181.37 0:0:0:0:0:ffff:b25:b525
11.37.181.38 0:0:0:0:0:ffff:b25:b526
11.37.181.39 0:0:0:0:0:ffff:b25:b527
11.37.181.40 0:0:0:0:0:ffff:b25:b528
11.37.181.41 0:0:0:0:0:ffff:b25:b529
11.37.181.42 0:0:0:0:0:ffff:b25:b52a
11.37.181.43 0:0:0:0:0:ffff:b25:b52b
11.37.181.44 0:0:0:0:0:ffff:b25:b52c
11.37.181.45 0:0:0:0:0:ffff:b25:b52d
11.37.181.46 0:0:0:0:0:ffff:b25:b52e
11.37.181.47 0:0:0:0:0:ffff:b25:b52f
11.37.181.48 0:0:0:0:0:ffff:b25:b530
11.37.181.49 0:0:0:0:0:ffff:b25:b531
11.37.181.50 0:0:0:0:0:ffff:b25:b532
11.37.181.51 0:0:0:0:0:ffff:b25:b533
11.37.181.52 0:0:0:0:0:ffff:b25:b534
11.37.181.53 0:0:0:0:0:ffff:b25:b535
11.37.181.54 0:0:0:0:0:ffff:b25:b536
11.37.181.55 0:0:0:0:0:ffff:b25:b537
11.37.181.56 0:0:0:0:0:ffff:b25:b538
11.37.181.57 0:0:0:0:0:ffff:b25:b539
11.37.181.58 0:0:0:0:0:ffff:b25:b53a
11.37.181.59 0:0:0:0:0:ffff:b25:b53b
11.37.181.60 0:0:0:0:0:ffff:b25:b53c


11.37.181.61 0:0:0:0:0:ffff:b25:b53d
11.37.181.62 0:0:0:0:0:ffff:b25:b53e
11.37.181.63 0:0:0:0:0:ffff:b25:b53f
11.37.181.64 0:0:0:0:0:ffff:b25:b540
11.37.181.65 0:0:0:0:0:ffff:b25:b541
11.37.181.66 0:0:0:0:0:ffff:b25:b542
11.37.181.67 0:0:0:0:0:ffff:b25:b543
11.37.181.68 0:0:0:0:0:ffff:b25:b544
11.37.181.69 0:0:0:0:0:ffff:b25:b545
11.37.181.70 0:0:0:0:0:ffff:b25:b546
11.37.181.71 0:0:0:0:0:ffff:b25:b547
11.37.181.72 0:0:0:0:0:ffff:b25:b548
11.37.181.73 0:0:0:0:0:ffff:b25:b549
11.37.181.74 0:0:0:0:0:ffff:b25:b54a
11.37.181.75 0:0:0:0:0:ffff:b25:b54b
11.37.181.76 0:0:0:0:0:ffff:b25:b54c
11.37.181.77 0:0:0:0:0:ffff:b25:b54d
11.37.181.78 0:0:0:0:0:ffff:b25:b54e
11.37.181.79 0:0:0:0:0:ffff:b25:b54f
11.37.181.80 0:0:0:0:0:ffff:b25:b550
11.37.181.81 0:0:0:0:0:ffff:b25:b551
11.37.181.82 0:0:0:0:0:ffff:b25:b552
11.37.181.83 0:0:0:0:0:ffff:b25:b553
11.37.181.84 0:0:0:0:0:ffff:b25:b554
11.37.181.85 0:0:0:0:0:ffff:b25:b555
11.37.181.86 0:0:0:0:0:ffff:b25:b556
11.37.181.87 0:0:0:0:0:ffff:b25:b557
11.37.181.88 0:0:0:0:0:ffff:b25:b558
11.37.181.89 0:0:0:0:0:ffff:b25:b559
11.37.181.90 0:0:0:0:0:ffff:b25:b55a
11.37.181.91 0:0:0:0:0:ffff:b25:b55b
11.37.181.92 0:0:0:0:0:ffff:b25:b55c
11.37.181.93 0:0:0:0:0:ffff:b25:b55d
11.37.181.94 0:0:0:0:0:ffff:b25:b55e
11.37.181.95 0:0:0:0:0:ffff:b25:b55f
11.37.181.96 0:0:0:0:0:ffff:b25:b560
11.37.181.97 0:0:0:0:0:ffff:b25:b561
11.37.181.98 0:0:0:0:0:ffff:b25:b562
11.37.181.99 0:0:0:0:0:ffff:b25:b563
11.37.181.100 0:0:0:0:0:ffff:b25:b564
11.37.181.101 0:0:0:0:0:ffff:b25:b565
11.37.181.102 0:0:0:0:0:ffff:b25:b566
11.37.181.103 0:0:0:0:0:ffff:b25:b567
11.37.181.104 0:0:0:0:0:ffff:b25:b568
11.37.181.105 0:0:0:0:0:ffff:b25:b569
11.37.181.106 0:0:0:0:0:ffff:b25:b56a
11.37.181.107 0:0:0:0:0:ffff:b25:b56b
11.37.181.108 0:0:0:0:0:ffff:b25:b56c
11.37.181.109 0:0:0:0:0:ffff:b25:b56d
11.37.181.110 0:0:0:0:0:ffff:b25:b56e
11.37.181.111 0:0:0:0:0:ffff:b25:b56f
11.37.181.112 0:0:0:0:0:ffff:b25:b570
11.37.181.113 0:0:0:0:0:ffff:b25:b571
11.37.181.114 0:0:0:0:0:ffff:b25:b572
11.37.181.115 0:0:0:0:0:ffff:b25:b573
11.37.181.116 0:0:0:0:0:ffff:b25:b574
11.37.181.117 0:0:0:0:0:ffff:b25:b575
11.37.181.118 0:0:0:0:0:ffff:b25:b576
11.37.181.119 0:0:0:0:0:ffff:b25:b577
11.37.181.120 0:0:0:0:0:ffff:b25:b578


11.37.181.121 0:0:0:0:0:ffff:b25:b579
11.37.181.122 0:0:0:0:0:ffff:b25:b57a
11.37.181.123 0:0:0:0:0:ffff:b25:b57b
11.37.181.124 0:0:0:0:0:ffff:b25:b57c
11.37.181.125 0:0:0:0:0:ffff:b25:b57d
11.37.181.126 0:0:0:0:0:ffff:b25:b57e
11.37.181.127 0:0:0:0:0:ffff:b25:b57f
11.37.181.128 0:0:0:0:0:ffff:b25:b580
11.37.181.129 0:0:0:0:0:ffff:b25:b581
11.37.181.130 0:0:0:0:0:ffff:b25:b582
11.37.181.131 0:0:0:0:0:ffff:b25:b583
11.37.181.132 0:0:0:0:0:ffff:b25:b584
11.37.181.133 0:0:0:0:0:ffff:b25:b585
11.37.181.134 0:0:0:0:0:ffff:b25:b586
11.37.181.135 0:0:0:0:0:ffff:b25:b587
11.37.181.136 0:0:0:0:0:ffff:b25:b588
11.37.181.137 0:0:0:0:0:ffff:b25:b589
11.37.181.138 0:0:0:0:0:ffff:b25:b58a
11.37.181.139 0:0:0:0:0:ffff:b25:b58b
11.37.181.140 0:0:0:0:0:ffff:b25:b58c
11.37.181.141 0:0:0:0:0:ffff:b25:b58d
11.37.181.142 0:0:0:0:0:ffff:b25:b58e
11.37.181.143 0:0:0:0:0:ffff:b25:b58f
11.37.181.144 0:0:0:0:0:ffff:b25:b590
11.37.181.145 0:0:0:0:0:ffff:b25:b591
11.37.181.146 0:0:0:0:0:ffff:b25:b592
11.37.181.147 0:0:0:0:0:ffff:b25:b593
11.37.181.148 0:0:0:0:0:ffff:b25:b594
11.37.181.149 0:0:0:0:0:ffff:b25:b595
11.37.181.150 0:0:0:0:0:ffff:b25:b596
11.37.181.151 0:0:0:0:0:ffff:b25:b597
11.37.181.152 0:0:0:0:0:ffff:b25:b598
11.37.181.153 0:0:0:0:0:ffff:b25:b599
11.37.181.154 0:0:0:0:0:ffff:b25:b59a
11.37.181.155 0:0:0:0:0:ffff:b25:b59b
11.37.181.156 0:0:0:0:0:ffff:b25:b59c
11.37.181.157 0:0:0:0:0:ffff:b25:b59d
11.37.181.158 0:0:0:0:0:ffff:b25:b59e
11.37.181.159 0:0:0:0:0:ffff:b25:b59f
11.37.181.160 0:0:0:0:0:ffff:b25:b5a0
11.37.181.161 0:0:0:0:0:ffff:b25:b5a1
11.37.181.162 0:0:0:0:0:ffff:b25:b5a2
11.37.181.163 0:0:0:0:0:ffff:b25:b5a3
11.37.181.164 0:0:0:0:0:ffff:b25:b5a4
11.37.181.165 0:0:0:0:0:ffff:b25:b5a5
11.37.181.166 0:0:0:0:0:ffff:b25:b5a6
11.37.181.167 0:0:0:0:0:ffff:b25:b5a7
11.37.181.168 0:0:0:0:0:ffff:b25:b5a8
11.37.181.169 0:0:0:0:0:ffff:b25:b5a9
11.37.181.170 0:0:0:0:0:ffff:b25:b5aa
11.37.181.171 0:0:0:0:0:ffff:b25:b5ab
11.37.181.172 0:0:0:0:0:ffff:b25:b5ac
11.37.181.173 0:0:0:0:0:ffff:b25:b5ad
11.37.181.174 0:0:0:0:0:ffff:b25:b5ae
11.37.181.175 0:0:0:0:0:ffff:b25:b5af
11.37.181.176 0:0:0:0:0:ffff:b25:b5b0
11.37.181.177 0:0:0:0:0:ffff:b25:b5b1
11.37.181.178 0:0:0:0:0:ffff:b25:b5b2
11.37.181.179 0:0:0:0:0:ffff:b25:b5b3
11.37.181.180 0:0:0:0:0:ffff:b25:b5b4


11.37.181.181 0:0:0:0:0:ffff:b25:b5b5
11.37.181.182 0:0:0:0:0:ffff:b25:b5b6
11.37.181.183 0:0:0:0:0:ffff:b25:b5b7
11.37.181.184 0:0:0:0:0:ffff:b25:b5b8
11.37.181.185 0:0:0:0:0:ffff:b25:b5b9
11.37.181.186 0:0:0:0:0:ffff:b25:b5ba
11.37.181.187 0:0:0:0:0:ffff:b25:b5bb
11.37.181.188 0:0:0:0:0:ffff:b25:b5bc
11.37.181.189 0:0:0:0:0:ffff:b25:b5bd
11.37.181.190 0:0:0:0:0:ffff:b25:b5be
11.37.181.191 0:0:0:0:0:ffff:b25:b5bf
11.37.181.192 0:0:0:0:0:ffff:b25:b5c0
11.37.181.193 0:0:0:0:0:ffff:b25:b5c1
11.37.181.194 0:0:0:0:0:ffff:b25:b5c2
11.37.181.195 0:0:0:0:0:ffff:b25:b5c3
11.37.181.196 0:0:0:0:0:ffff:b25:b5c4
11.37.181.197 0:0:0:0:0:ffff:b25:b5c5
11.37.181.198 0:0:0:0:0:ffff:b25:b5c6
11.37.181.199 0:0:0:0:0:ffff:b25:b5c7
11.37.181.200 0:0:0:0:0:ffff:b25:b5c8
11.37.181.201 0:0:0:0:0:ffff:b25:b5c9
11.37.181.202 0:0:0:0:0:ffff:b25:b5ca
11.37.181.203 0:0:0:0:0:ffff:b25:b5cb
11.37.181.204 0:0:0:0:0:ffff:b25:b5cc
11.37.181.205 0:0:0:0:0:ffff:b25:b5cd
11.37.181.206 0:0:0:0:0:ffff:b25:b5ce
11.37.181.207 0:0:0:0:0:ffff:b25:b5cf
11.37.181.208 0:0:0:0:0:ffff:b25:b5d0
11.37.181.209 0:0:0:0:0:ffff:b25:b5d1
11.37.181.210 0:0:0:0:0:ffff:b25:b5d2
11.37.181.211 0:0:0:0:0:ffff:b25:b5d3
11.37.181.212 0:0:0:0:0:ffff:b25:b5d4
11.37.181.213 0:0:0:0:0:ffff:b25:b5d5
11.37.181.214 0:0:0:0:0:ffff:b25:b5d6
11.37.181.215 0:0:0:0:0:ffff:b25:b5d7
11.37.181.216 0:0:0:0:0:ffff:b25:b5d8
11.37.181.217 0:0:0:0:0:ffff:b25:b5d9
11.37.181.218 0:0:0:0:0:ffff:b25:b5da
11.37.181.219 0:0:0:0:0:ffff:b25:b5db
11.37.181.220 0:0:0:0:0:ffff:b25:b5dc
11.37.181.221 0:0:0:0:0:ffff:b25:b5dd
11.37.181.222 0:0:0:0:0:ffff:b25:b5de
11.37.181.223 0:0:0:0:0:ffff:b25:b5df
11.37.181.224 0:0:0:0:0:ffff:b25:b5e0
11.37.181.225 0:0:0:0:0:ffff:b25:b5e1
11.37.181.226 0:0:0:0:0:ffff:b25:b5e2
11.37.181.227 0:0:0:0:0:ffff:b25:b5e3
11.37.181.228 0:0:0:0:0:ffff:b25:b5e4
11.37.181.229 0:0:0:0:0:ffff:b25:b5e5
11.37.181.230 0:0:0:0:0:ffff:b25:b5e6
11.37.181.231 0:0:0:0:0:ffff:b25:b5e7
11.37.181.232 0:0:0:0:0:ffff:b25:b5e8
11.37.181.233 0:0:0:0:0:ffff:b25:b5e9
11.37.181.234 0:0:0:0:0:ffff:b25:b5ea
11.37.181.235 0:0:0:0:0:ffff:b25:b5eb
11.37.181.236 0:0:0:0:0:ffff:b25:b5ec
11.37.181.237 0:0:0:0:0:ffff:b25:b5ed
11.37.181.238 0:0:0:0:0:ffff:b25:b5ee
11.37.181.239 0:0:0:0:0:ffff:b25:b5ef
11.37.181.240 0:0:0:0:0:ffff:b25:b5f0
11.37.181.241 0:0:0:0:0:ffff:b25:b5f1
11.37.181.242 0:0:0:0:0:ffff:b25:b5f2
11.37.181.243 0:0:0:0:0:ffff:b25:b5f3
11.37.181.244 0:0:0:0:0:ffff:b25:b5f4
11.37.181.245 0:0:0:0:0:ffff:b25:b5f5
11.37.181.246 0:0:0:0:0:ffff:b25:b5f6
11.37.181.247 0:0:0:0:0:ffff:b25:b5f7
11.37.181.248 0:0:0:0:0:ffff:b25:b5f8
11.37.181.249 0:0:0:0:0:ffff:b25:b5f9
11.37.181.250 0:0:0:0:0:ffff:b25:b5fa
11.37.181.251 0:0:0:0:0:ffff:b25:b5fb
11.37.181.252 0:0:0:0:0:ffff:b25:b5fc
11.37.181.253 0:0:0:0:0:ffff:b25:b5fd
11.37.181.254 0:0:0:0:0:ffff:b25:b5fe
11.37.181.255 0:0:0:0:0:ffff:b25: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.