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
144.21.181.1 0:0:0:0:0:ffff:9015:b501
144.21.181.2 0:0:0:0:0:ffff:9015:b502
144.21.181.3 0:0:0:0:0:ffff:9015:b503
144.21.181.4 0:0:0:0:0:ffff:9015:b504
144.21.181.5 0:0:0:0:0:ffff:9015:b505
144.21.181.6 0:0:0:0:0:ffff:9015:b506
144.21.181.7 0:0:0:0:0:ffff:9015:b507
144.21.181.8 0:0:0:0:0:ffff:9015:b508
144.21.181.9 0:0:0:0:0:ffff:9015:b509
144.21.181.10 0:0:0:0:0:ffff:9015:b50a
144.21.181.11 0:0:0:0:0:ffff:9015:b50b
144.21.181.12 0:0:0:0:0:ffff:9015:b50c
144.21.181.13 0:0:0:0:0:ffff:9015:b50d
144.21.181.14 0:0:0:0:0:ffff:9015:b50e
144.21.181.15 0:0:0:0:0:ffff:9015:b50f
144.21.181.16 0:0:0:0:0:ffff:9015:b510
144.21.181.17 0:0:0:0:0:ffff:9015:b511
144.21.181.18 0:0:0:0:0:ffff:9015:b512
144.21.181.19 0:0:0:0:0:ffff:9015:b513
144.21.181.20 0:0:0:0:0:ffff:9015:b514
144.21.181.21 0:0:0:0:0:ffff:9015:b515
144.21.181.22 0:0:0:0:0:ffff:9015:b516
144.21.181.23 0:0:0:0:0:ffff:9015:b517
144.21.181.24 0:0:0:0:0:ffff:9015:b518
144.21.181.25 0:0:0:0:0:ffff:9015:b519
144.21.181.26 0:0:0:0:0:ffff:9015:b51a
144.21.181.27 0:0:0:0:0:ffff:9015:b51b
144.21.181.28 0:0:0:0:0:ffff:9015:b51c
144.21.181.29 0:0:0:0:0:ffff:9015:b51d
144.21.181.30 0:0:0:0:0:ffff:9015:b51e
144.21.181.31 0:0:0:0:0:ffff:9015:b51f
144.21.181.32 0:0:0:0:0:ffff:9015:b520
144.21.181.33 0:0:0:0:0:ffff:9015:b521
144.21.181.34 0:0:0:0:0:ffff:9015:b522
144.21.181.35 0:0:0:0:0:ffff:9015:b523
144.21.181.36 0:0:0:0:0:ffff:9015:b524
144.21.181.37 0:0:0:0:0:ffff:9015:b525
144.21.181.38 0:0:0:0:0:ffff:9015:b526
144.21.181.39 0:0:0:0:0:ffff:9015:b527
144.21.181.40 0:0:0:0:0:ffff:9015:b528
144.21.181.41 0:0:0:0:0:ffff:9015:b529
144.21.181.42 0:0:0:0:0:ffff:9015:b52a
144.21.181.43 0:0:0:0:0:ffff:9015:b52b
144.21.181.44 0:0:0:0:0:ffff:9015:b52c
144.21.181.45 0:0:0:0:0:ffff:9015:b52d
144.21.181.46 0:0:0:0:0:ffff:9015:b52e
144.21.181.47 0:0:0:0:0:ffff:9015:b52f
144.21.181.48 0:0:0:0:0:ffff:9015:b530
144.21.181.49 0:0:0:0:0:ffff:9015:b531
144.21.181.50 0:0:0:0:0:ffff:9015:b532
144.21.181.51 0:0:0:0:0:ffff:9015:b533
144.21.181.52 0:0:0:0:0:ffff:9015:b534
144.21.181.53 0:0:0:0:0:ffff:9015:b535
144.21.181.54 0:0:0:0:0:ffff:9015:b536
144.21.181.55 0:0:0:0:0:ffff:9015:b537
144.21.181.56 0:0:0:0:0:ffff:9015:b538
144.21.181.57 0:0:0:0:0:ffff:9015:b539
144.21.181.58 0:0:0:0:0:ffff:9015:b53a
144.21.181.59 0:0:0:0:0:ffff:9015:b53b
144.21.181.60 0:0:0:0:0:ffff:9015:b53c


144.21.181.61 0:0:0:0:0:ffff:9015:b53d
144.21.181.62 0:0:0:0:0:ffff:9015:b53e
144.21.181.63 0:0:0:0:0:ffff:9015:b53f
144.21.181.64 0:0:0:0:0:ffff:9015:b540
144.21.181.65 0:0:0:0:0:ffff:9015:b541
144.21.181.66 0:0:0:0:0:ffff:9015:b542
144.21.181.67 0:0:0:0:0:ffff:9015:b543
144.21.181.68 0:0:0:0:0:ffff:9015:b544
144.21.181.69 0:0:0:0:0:ffff:9015:b545
144.21.181.70 0:0:0:0:0:ffff:9015:b546
144.21.181.71 0:0:0:0:0:ffff:9015:b547
144.21.181.72 0:0:0:0:0:ffff:9015:b548
144.21.181.73 0:0:0:0:0:ffff:9015:b549
144.21.181.74 0:0:0:0:0:ffff:9015:b54a
144.21.181.75 0:0:0:0:0:ffff:9015:b54b
144.21.181.76 0:0:0:0:0:ffff:9015:b54c
144.21.181.77 0:0:0:0:0:ffff:9015:b54d
144.21.181.78 0:0:0:0:0:ffff:9015:b54e
144.21.181.79 0:0:0:0:0:ffff:9015:b54f
144.21.181.80 0:0:0:0:0:ffff:9015:b550
144.21.181.81 0:0:0:0:0:ffff:9015:b551
144.21.181.82 0:0:0:0:0:ffff:9015:b552
144.21.181.83 0:0:0:0:0:ffff:9015:b553
144.21.181.84 0:0:0:0:0:ffff:9015:b554
144.21.181.85 0:0:0:0:0:ffff:9015:b555
144.21.181.86 0:0:0:0:0:ffff:9015:b556
144.21.181.87 0:0:0:0:0:ffff:9015:b557
144.21.181.88 0:0:0:0:0:ffff:9015:b558
144.21.181.89 0:0:0:0:0:ffff:9015:b559
144.21.181.90 0:0:0:0:0:ffff:9015:b55a
144.21.181.91 0:0:0:0:0:ffff:9015:b55b
144.21.181.92 0:0:0:0:0:ffff:9015:b55c
144.21.181.93 0:0:0:0:0:ffff:9015:b55d
144.21.181.94 0:0:0:0:0:ffff:9015:b55e
144.21.181.95 0:0:0:0:0:ffff:9015:b55f
144.21.181.96 0:0:0:0:0:ffff:9015:b560
144.21.181.97 0:0:0:0:0:ffff:9015:b561
144.21.181.98 0:0:0:0:0:ffff:9015:b562
144.21.181.99 0:0:0:0:0:ffff:9015:b563
144.21.181.100 0:0:0:0:0:ffff:9015:b564
144.21.181.101 0:0:0:0:0:ffff:9015:b565
144.21.181.102 0:0:0:0:0:ffff:9015:b566
144.21.181.103 0:0:0:0:0:ffff:9015:b567
144.21.181.104 0:0:0:0:0:ffff:9015:b568
144.21.181.105 0:0:0:0:0:ffff:9015:b569
144.21.181.106 0:0:0:0:0:ffff:9015:b56a
144.21.181.107 0:0:0:0:0:ffff:9015:b56b
144.21.181.108 0:0:0:0:0:ffff:9015:b56c
144.21.181.109 0:0:0:0:0:ffff:9015:b56d
144.21.181.110 0:0:0:0:0:ffff:9015:b56e
144.21.181.111 0:0:0:0:0:ffff:9015:b56f
144.21.181.112 0:0:0:0:0:ffff:9015:b570
144.21.181.113 0:0:0:0:0:ffff:9015:b571
144.21.181.114 0:0:0:0:0:ffff:9015:b572
144.21.181.115 0:0:0:0:0:ffff:9015:b573
144.21.181.116 0:0:0:0:0:ffff:9015:b574
144.21.181.117 0:0:0:0:0:ffff:9015:b575
144.21.181.118 0:0:0:0:0:ffff:9015:b576
144.21.181.119 0:0:0:0:0:ffff:9015:b577
144.21.181.120 0:0:0:0:0:ffff:9015:b578


144.21.181.121 0:0:0:0:0:ffff:9015:b579
144.21.181.122 0:0:0:0:0:ffff:9015:b57a
144.21.181.123 0:0:0:0:0:ffff:9015:b57b
144.21.181.124 0:0:0:0:0:ffff:9015:b57c
144.21.181.125 0:0:0:0:0:ffff:9015:b57d
144.21.181.126 0:0:0:0:0:ffff:9015:b57e
144.21.181.127 0:0:0:0:0:ffff:9015:b57f
144.21.181.128 0:0:0:0:0:ffff:9015:b580
144.21.181.129 0:0:0:0:0:ffff:9015:b581
144.21.181.130 0:0:0:0:0:ffff:9015:b582
144.21.181.131 0:0:0:0:0:ffff:9015:b583
144.21.181.132 0:0:0:0:0:ffff:9015:b584
144.21.181.133 0:0:0:0:0:ffff:9015:b585
144.21.181.134 0:0:0:0:0:ffff:9015:b586
144.21.181.135 0:0:0:0:0:ffff:9015:b587
144.21.181.136 0:0:0:0:0:ffff:9015:b588
144.21.181.137 0:0:0:0:0:ffff:9015:b589
144.21.181.138 0:0:0:0:0:ffff:9015:b58a
144.21.181.139 0:0:0:0:0:ffff:9015:b58b
144.21.181.140 0:0:0:0:0:ffff:9015:b58c
144.21.181.141 0:0:0:0:0:ffff:9015:b58d
144.21.181.142 0:0:0:0:0:ffff:9015:b58e
144.21.181.143 0:0:0:0:0:ffff:9015:b58f
144.21.181.144 0:0:0:0:0:ffff:9015:b590
144.21.181.145 0:0:0:0:0:ffff:9015:b591
144.21.181.146 0:0:0:0:0:ffff:9015:b592
144.21.181.147 0:0:0:0:0:ffff:9015:b593
144.21.181.148 0:0:0:0:0:ffff:9015:b594
144.21.181.149 0:0:0:0:0:ffff:9015:b595
144.21.181.150 0:0:0:0:0:ffff:9015:b596
144.21.181.151 0:0:0:0:0:ffff:9015:b597
144.21.181.152 0:0:0:0:0:ffff:9015:b598
144.21.181.153 0:0:0:0:0:ffff:9015:b599
144.21.181.154 0:0:0:0:0:ffff:9015:b59a
144.21.181.155 0:0:0:0:0:ffff:9015:b59b
144.21.181.156 0:0:0:0:0:ffff:9015:b59c
144.21.181.157 0:0:0:0:0:ffff:9015:b59d
144.21.181.158 0:0:0:0:0:ffff:9015:b59e
144.21.181.159 0:0:0:0:0:ffff:9015:b59f
144.21.181.160 0:0:0:0:0:ffff:9015:b5a0
144.21.181.161 0:0:0:0:0:ffff:9015:b5a1
144.21.181.162 0:0:0:0:0:ffff:9015:b5a2
144.21.181.163 0:0:0:0:0:ffff:9015:b5a3
144.21.181.164 0:0:0:0:0:ffff:9015:b5a4
144.21.181.165 0:0:0:0:0:ffff:9015:b5a5
144.21.181.166 0:0:0:0:0:ffff:9015:b5a6
144.21.181.167 0:0:0:0:0:ffff:9015:b5a7
144.21.181.168 0:0:0:0:0:ffff:9015:b5a8
144.21.181.169 0:0:0:0:0:ffff:9015:b5a9
144.21.181.170 0:0:0:0:0:ffff:9015:b5aa
144.21.181.171 0:0:0:0:0:ffff:9015:b5ab
144.21.181.172 0:0:0:0:0:ffff:9015:b5ac
144.21.181.173 0:0:0:0:0:ffff:9015:b5ad
144.21.181.174 0:0:0:0:0:ffff:9015:b5ae
144.21.181.175 0:0:0:0:0:ffff:9015:b5af
144.21.181.176 0:0:0:0:0:ffff:9015:b5b0
144.21.181.177 0:0:0:0:0:ffff:9015:b5b1
144.21.181.178 0:0:0:0:0:ffff:9015:b5b2
144.21.181.179 0:0:0:0:0:ffff:9015:b5b3
144.21.181.180 0:0:0:0:0:ffff:9015:b5b4


144.21.181.181 0:0:0:0:0:ffff:9015:b5b5
144.21.181.182 0:0:0:0:0:ffff:9015:b5b6
144.21.181.183 0:0:0:0:0:ffff:9015:b5b7
144.21.181.184 0:0:0:0:0:ffff:9015:b5b8
144.21.181.185 0:0:0:0:0:ffff:9015:b5b9
144.21.181.186 0:0:0:0:0:ffff:9015:b5ba
144.21.181.187 0:0:0:0:0:ffff:9015:b5bb
144.21.181.188 0:0:0:0:0:ffff:9015:b5bc
144.21.181.189 0:0:0:0:0:ffff:9015:b5bd
144.21.181.190 0:0:0:0:0:ffff:9015:b5be
144.21.181.191 0:0:0:0:0:ffff:9015:b5bf
144.21.181.192 0:0:0:0:0:ffff:9015:b5c0
144.21.181.193 0:0:0:0:0:ffff:9015:b5c1
144.21.181.194 0:0:0:0:0:ffff:9015:b5c2
144.21.181.195 0:0:0:0:0:ffff:9015:b5c3
144.21.181.196 0:0:0:0:0:ffff:9015:b5c4
144.21.181.197 0:0:0:0:0:ffff:9015:b5c5
144.21.181.198 0:0:0:0:0:ffff:9015:b5c6
144.21.181.199 0:0:0:0:0:ffff:9015:b5c7
144.21.181.200 0:0:0:0:0:ffff:9015:b5c8
144.21.181.201 0:0:0:0:0:ffff:9015:b5c9
144.21.181.202 0:0:0:0:0:ffff:9015:b5ca
144.21.181.203 0:0:0:0:0:ffff:9015:b5cb
144.21.181.204 0:0:0:0:0:ffff:9015:b5cc
144.21.181.205 0:0:0:0:0:ffff:9015:b5cd
144.21.181.206 0:0:0:0:0:ffff:9015:b5ce
144.21.181.207 0:0:0:0:0:ffff:9015:b5cf
144.21.181.208 0:0:0:0:0:ffff:9015:b5d0
144.21.181.209 0:0:0:0:0:ffff:9015:b5d1
144.21.181.210 0:0:0:0:0:ffff:9015:b5d2
144.21.181.211 0:0:0:0:0:ffff:9015:b5d3
144.21.181.212 0:0:0:0:0:ffff:9015:b5d4
144.21.181.213 0:0:0:0:0:ffff:9015:b5d5
144.21.181.214 0:0:0:0:0:ffff:9015:b5d6
144.21.181.215 0:0:0:0:0:ffff:9015:b5d7
144.21.181.216 0:0:0:0:0:ffff:9015:b5d8
144.21.181.217 0:0:0:0:0:ffff:9015:b5d9
144.21.181.218 0:0:0:0:0:ffff:9015:b5da
144.21.181.219 0:0:0:0:0:ffff:9015:b5db
144.21.181.220 0:0:0:0:0:ffff:9015:b5dc
144.21.181.221 0:0:0:0:0:ffff:9015:b5dd
144.21.181.222 0:0:0:0:0:ffff:9015:b5de
144.21.181.223 0:0:0:0:0:ffff:9015:b5df
144.21.181.224 0:0:0:0:0:ffff:9015:b5e0
144.21.181.225 0:0:0:0:0:ffff:9015:b5e1
144.21.181.226 0:0:0:0:0:ffff:9015:b5e2
144.21.181.227 0:0:0:0:0:ffff:9015:b5e3
144.21.181.228 0:0:0:0:0:ffff:9015:b5e4
144.21.181.229 0:0:0:0:0:ffff:9015:b5e5
144.21.181.230 0:0:0:0:0:ffff:9015:b5e6
144.21.181.231 0:0:0:0:0:ffff:9015:b5e7
144.21.181.232 0:0:0:0:0:ffff:9015:b5e8
144.21.181.233 0:0:0:0:0:ffff:9015:b5e9
144.21.181.234 0:0:0:0:0:ffff:9015:b5ea
144.21.181.235 0:0:0:0:0:ffff:9015:b5eb
144.21.181.236 0:0:0:0:0:ffff:9015:b5ec
144.21.181.237 0:0:0:0:0:ffff:9015:b5ed
144.21.181.238 0:0:0:0:0:ffff:9015:b5ee
144.21.181.239 0:0:0:0:0:ffff:9015:b5ef
144.21.181.240 0:0:0:0:0:ffff:9015:b5f0
144.21.181.241 0:0:0:0:0:ffff:9015:b5f1
144.21.181.242 0:0:0:0:0:ffff:9015:b5f2
144.21.181.243 0:0:0:0:0:ffff:9015:b5f3
144.21.181.244 0:0:0:0:0:ffff:9015:b5f4
144.21.181.245 0:0:0:0:0:ffff:9015:b5f5
144.21.181.246 0:0:0:0:0:ffff:9015:b5f6
144.21.181.247 0:0:0:0:0:ffff:9015:b5f7
144.21.181.248 0:0:0:0:0:ffff:9015:b5f8
144.21.181.249 0:0:0:0:0:ffff:9015:b5f9
144.21.181.250 0:0:0:0:0:ffff:9015:b5fa
144.21.181.251 0:0:0:0:0:ffff:9015:b5fb
144.21.181.252 0:0:0:0:0:ffff:9015:b5fc
144.21.181.253 0:0:0:0:0:ffff:9015:b5fd
144.21.181.254 0:0:0:0:0:ffff:9015:b5fe
144.21.181.255 0:0:0:0:0:ffff:9015: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.