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
32.43.21.1 0:0:0:0:0:ffff:202b:1501
32.43.21.2 0:0:0:0:0:ffff:202b:1502
32.43.21.3 0:0:0:0:0:ffff:202b:1503
32.43.21.4 0:0:0:0:0:ffff:202b:1504
32.43.21.5 0:0:0:0:0:ffff:202b:1505
32.43.21.6 0:0:0:0:0:ffff:202b:1506
32.43.21.7 0:0:0:0:0:ffff:202b:1507
32.43.21.8 0:0:0:0:0:ffff:202b:1508
32.43.21.9 0:0:0:0:0:ffff:202b:1509
32.43.21.10 0:0:0:0:0:ffff:202b:150a
32.43.21.11 0:0:0:0:0:ffff:202b:150b
32.43.21.12 0:0:0:0:0:ffff:202b:150c
32.43.21.13 0:0:0:0:0:ffff:202b:150d
32.43.21.14 0:0:0:0:0:ffff:202b:150e
32.43.21.15 0:0:0:0:0:ffff:202b:150f
32.43.21.16 0:0:0:0:0:ffff:202b:1510
32.43.21.17 0:0:0:0:0:ffff:202b:1511
32.43.21.18 0:0:0:0:0:ffff:202b:1512
32.43.21.19 0:0:0:0:0:ffff:202b:1513
32.43.21.20 0:0:0:0:0:ffff:202b:1514
32.43.21.21 0:0:0:0:0:ffff:202b:1515
32.43.21.22 0:0:0:0:0:ffff:202b:1516
32.43.21.23 0:0:0:0:0:ffff:202b:1517
32.43.21.24 0:0:0:0:0:ffff:202b:1518
32.43.21.25 0:0:0:0:0:ffff:202b:1519
32.43.21.26 0:0:0:0:0:ffff:202b:151a
32.43.21.27 0:0:0:0:0:ffff:202b:151b
32.43.21.28 0:0:0:0:0:ffff:202b:151c
32.43.21.29 0:0:0:0:0:ffff:202b:151d
32.43.21.30 0:0:0:0:0:ffff:202b:151e
32.43.21.31 0:0:0:0:0:ffff:202b:151f
32.43.21.32 0:0:0:0:0:ffff:202b:1520
32.43.21.33 0:0:0:0:0:ffff:202b:1521
32.43.21.34 0:0:0:0:0:ffff:202b:1522
32.43.21.35 0:0:0:0:0:ffff:202b:1523
32.43.21.36 0:0:0:0:0:ffff:202b:1524
32.43.21.37 0:0:0:0:0:ffff:202b:1525
32.43.21.38 0:0:0:0:0:ffff:202b:1526
32.43.21.39 0:0:0:0:0:ffff:202b:1527
32.43.21.40 0:0:0:0:0:ffff:202b:1528
32.43.21.41 0:0:0:0:0:ffff:202b:1529
32.43.21.42 0:0:0:0:0:ffff:202b:152a
32.43.21.43 0:0:0:0:0:ffff:202b:152b
32.43.21.44 0:0:0:0:0:ffff:202b:152c
32.43.21.45 0:0:0:0:0:ffff:202b:152d
32.43.21.46 0:0:0:0:0:ffff:202b:152e
32.43.21.47 0:0:0:0:0:ffff:202b:152f
32.43.21.48 0:0:0:0:0:ffff:202b:1530
32.43.21.49 0:0:0:0:0:ffff:202b:1531
32.43.21.50 0:0:0:0:0:ffff:202b:1532
32.43.21.51 0:0:0:0:0:ffff:202b:1533
32.43.21.52 0:0:0:0:0:ffff:202b:1534
32.43.21.53 0:0:0:0:0:ffff:202b:1535
32.43.21.54 0:0:0:0:0:ffff:202b:1536
32.43.21.55 0:0:0:0:0:ffff:202b:1537
32.43.21.56 0:0:0:0:0:ffff:202b:1538
32.43.21.57 0:0:0:0:0:ffff:202b:1539
32.43.21.58 0:0:0:0:0:ffff:202b:153a
32.43.21.59 0:0:0:0:0:ffff:202b:153b
32.43.21.60 0:0:0:0:0:ffff:202b:153c


32.43.21.61 0:0:0:0:0:ffff:202b:153d
32.43.21.62 0:0:0:0:0:ffff:202b:153e
32.43.21.63 0:0:0:0:0:ffff:202b:153f
32.43.21.64 0:0:0:0:0:ffff:202b:1540
32.43.21.65 0:0:0:0:0:ffff:202b:1541
32.43.21.66 0:0:0:0:0:ffff:202b:1542
32.43.21.67 0:0:0:0:0:ffff:202b:1543
32.43.21.68 0:0:0:0:0:ffff:202b:1544
32.43.21.69 0:0:0:0:0:ffff:202b:1545
32.43.21.70 0:0:0:0:0:ffff:202b:1546
32.43.21.71 0:0:0:0:0:ffff:202b:1547
32.43.21.72 0:0:0:0:0:ffff:202b:1548
32.43.21.73 0:0:0:0:0:ffff:202b:1549
32.43.21.74 0:0:0:0:0:ffff:202b:154a
32.43.21.75 0:0:0:0:0:ffff:202b:154b
32.43.21.76 0:0:0:0:0:ffff:202b:154c
32.43.21.77 0:0:0:0:0:ffff:202b:154d
32.43.21.78 0:0:0:0:0:ffff:202b:154e
32.43.21.79 0:0:0:0:0:ffff:202b:154f
32.43.21.80 0:0:0:0:0:ffff:202b:1550
32.43.21.81 0:0:0:0:0:ffff:202b:1551
32.43.21.82 0:0:0:0:0:ffff:202b:1552
32.43.21.83 0:0:0:0:0:ffff:202b:1553
32.43.21.84 0:0:0:0:0:ffff:202b:1554
32.43.21.85 0:0:0:0:0:ffff:202b:1555
32.43.21.86 0:0:0:0:0:ffff:202b:1556
32.43.21.87 0:0:0:0:0:ffff:202b:1557
32.43.21.88 0:0:0:0:0:ffff:202b:1558
32.43.21.89 0:0:0:0:0:ffff:202b:1559
32.43.21.90 0:0:0:0:0:ffff:202b:155a
32.43.21.91 0:0:0:0:0:ffff:202b:155b
32.43.21.92 0:0:0:0:0:ffff:202b:155c
32.43.21.93 0:0:0:0:0:ffff:202b:155d
32.43.21.94 0:0:0:0:0:ffff:202b:155e
32.43.21.95 0:0:0:0:0:ffff:202b:155f
32.43.21.96 0:0:0:0:0:ffff:202b:1560
32.43.21.97 0:0:0:0:0:ffff:202b:1561
32.43.21.98 0:0:0:0:0:ffff:202b:1562
32.43.21.99 0:0:0:0:0:ffff:202b:1563
32.43.21.100 0:0:0:0:0:ffff:202b:1564
32.43.21.101 0:0:0:0:0:ffff:202b:1565
32.43.21.102 0:0:0:0:0:ffff:202b:1566
32.43.21.103 0:0:0:0:0:ffff:202b:1567
32.43.21.104 0:0:0:0:0:ffff:202b:1568
32.43.21.105 0:0:0:0:0:ffff:202b:1569
32.43.21.106 0:0:0:0:0:ffff:202b:156a
32.43.21.107 0:0:0:0:0:ffff:202b:156b
32.43.21.108 0:0:0:0:0:ffff:202b:156c
32.43.21.109 0:0:0:0:0:ffff:202b:156d
32.43.21.110 0:0:0:0:0:ffff:202b:156e
32.43.21.111 0:0:0:0:0:ffff:202b:156f
32.43.21.112 0:0:0:0:0:ffff:202b:1570
32.43.21.113 0:0:0:0:0:ffff:202b:1571
32.43.21.114 0:0:0:0:0:ffff:202b:1572
32.43.21.115 0:0:0:0:0:ffff:202b:1573
32.43.21.116 0:0:0:0:0:ffff:202b:1574
32.43.21.117 0:0:0:0:0:ffff:202b:1575
32.43.21.118 0:0:0:0:0:ffff:202b:1576
32.43.21.119 0:0:0:0:0:ffff:202b:1577
32.43.21.120 0:0:0:0:0:ffff:202b:1578


32.43.21.121 0:0:0:0:0:ffff:202b:1579
32.43.21.122 0:0:0:0:0:ffff:202b:157a
32.43.21.123 0:0:0:0:0:ffff:202b:157b
32.43.21.124 0:0:0:0:0:ffff:202b:157c
32.43.21.125 0:0:0:0:0:ffff:202b:157d
32.43.21.126 0:0:0:0:0:ffff:202b:157e
32.43.21.127 0:0:0:0:0:ffff:202b:157f
32.43.21.128 0:0:0:0:0:ffff:202b:1580
32.43.21.129 0:0:0:0:0:ffff:202b:1581
32.43.21.130 0:0:0:0:0:ffff:202b:1582
32.43.21.131 0:0:0:0:0:ffff:202b:1583
32.43.21.132 0:0:0:0:0:ffff:202b:1584
32.43.21.133 0:0:0:0:0:ffff:202b:1585
32.43.21.134 0:0:0:0:0:ffff:202b:1586
32.43.21.135 0:0:0:0:0:ffff:202b:1587
32.43.21.136 0:0:0:0:0:ffff:202b:1588
32.43.21.137 0:0:0:0:0:ffff:202b:1589
32.43.21.138 0:0:0:0:0:ffff:202b:158a
32.43.21.139 0:0:0:0:0:ffff:202b:158b
32.43.21.140 0:0:0:0:0:ffff:202b:158c
32.43.21.141 0:0:0:0:0:ffff:202b:158d
32.43.21.142 0:0:0:0:0:ffff:202b:158e
32.43.21.143 0:0:0:0:0:ffff:202b:158f
32.43.21.144 0:0:0:0:0:ffff:202b:1590
32.43.21.145 0:0:0:0:0:ffff:202b:1591
32.43.21.146 0:0:0:0:0:ffff:202b:1592
32.43.21.147 0:0:0:0:0:ffff:202b:1593
32.43.21.148 0:0:0:0:0:ffff:202b:1594
32.43.21.149 0:0:0:0:0:ffff:202b:1595
32.43.21.150 0:0:0:0:0:ffff:202b:1596
32.43.21.151 0:0:0:0:0:ffff:202b:1597
32.43.21.152 0:0:0:0:0:ffff:202b:1598
32.43.21.153 0:0:0:0:0:ffff:202b:1599
32.43.21.154 0:0:0:0:0:ffff:202b:159a
32.43.21.155 0:0:0:0:0:ffff:202b:159b
32.43.21.156 0:0:0:0:0:ffff:202b:159c
32.43.21.157 0:0:0:0:0:ffff:202b:159d
32.43.21.158 0:0:0:0:0:ffff:202b:159e
32.43.21.159 0:0:0:0:0:ffff:202b:159f
32.43.21.160 0:0:0:0:0:ffff:202b:15a0
32.43.21.161 0:0:0:0:0:ffff:202b:15a1
32.43.21.162 0:0:0:0:0:ffff:202b:15a2
32.43.21.163 0:0:0:0:0:ffff:202b:15a3
32.43.21.164 0:0:0:0:0:ffff:202b:15a4
32.43.21.165 0:0:0:0:0:ffff:202b:15a5
32.43.21.166 0:0:0:0:0:ffff:202b:15a6
32.43.21.167 0:0:0:0:0:ffff:202b:15a7
32.43.21.168 0:0:0:0:0:ffff:202b:15a8
32.43.21.169 0:0:0:0:0:ffff:202b:15a9
32.43.21.170 0:0:0:0:0:ffff:202b:15aa
32.43.21.171 0:0:0:0:0:ffff:202b:15ab
32.43.21.172 0:0:0:0:0:ffff:202b:15ac
32.43.21.173 0:0:0:0:0:ffff:202b:15ad
32.43.21.174 0:0:0:0:0:ffff:202b:15ae
32.43.21.175 0:0:0:0:0:ffff:202b:15af
32.43.21.176 0:0:0:0:0:ffff:202b:15b0
32.43.21.177 0:0:0:0:0:ffff:202b:15b1
32.43.21.178 0:0:0:0:0:ffff:202b:15b2
32.43.21.179 0:0:0:0:0:ffff:202b:15b3
32.43.21.180 0:0:0:0:0:ffff:202b:15b4


32.43.21.181 0:0:0:0:0:ffff:202b:15b5
32.43.21.182 0:0:0:0:0:ffff:202b:15b6
32.43.21.183 0:0:0:0:0:ffff:202b:15b7
32.43.21.184 0:0:0:0:0:ffff:202b:15b8
32.43.21.185 0:0:0:0:0:ffff:202b:15b9
32.43.21.186 0:0:0:0:0:ffff:202b:15ba
32.43.21.187 0:0:0:0:0:ffff:202b:15bb
32.43.21.188 0:0:0:0:0:ffff:202b:15bc
32.43.21.189 0:0:0:0:0:ffff:202b:15bd
32.43.21.190 0:0:0:0:0:ffff:202b:15be
32.43.21.191 0:0:0:0:0:ffff:202b:15bf
32.43.21.192 0:0:0:0:0:ffff:202b:15c0
32.43.21.193 0:0:0:0:0:ffff:202b:15c1
32.43.21.194 0:0:0:0:0:ffff:202b:15c2
32.43.21.195 0:0:0:0:0:ffff:202b:15c3
32.43.21.196 0:0:0:0:0:ffff:202b:15c4
32.43.21.197 0:0:0:0:0:ffff:202b:15c5
32.43.21.198 0:0:0:0:0:ffff:202b:15c6
32.43.21.199 0:0:0:0:0:ffff:202b:15c7
32.43.21.200 0:0:0:0:0:ffff:202b:15c8
32.43.21.201 0:0:0:0:0:ffff:202b:15c9
32.43.21.202 0:0:0:0:0:ffff:202b:15ca
32.43.21.203 0:0:0:0:0:ffff:202b:15cb
32.43.21.204 0:0:0:0:0:ffff:202b:15cc
32.43.21.205 0:0:0:0:0:ffff:202b:15cd
32.43.21.206 0:0:0:0:0:ffff:202b:15ce
32.43.21.207 0:0:0:0:0:ffff:202b:15cf
32.43.21.208 0:0:0:0:0:ffff:202b:15d0
32.43.21.209 0:0:0:0:0:ffff:202b:15d1
32.43.21.210 0:0:0:0:0:ffff:202b:15d2
32.43.21.211 0:0:0:0:0:ffff:202b:15d3
32.43.21.212 0:0:0:0:0:ffff:202b:15d4
32.43.21.213 0:0:0:0:0:ffff:202b:15d5
32.43.21.214 0:0:0:0:0:ffff:202b:15d6
32.43.21.215 0:0:0:0:0:ffff:202b:15d7
32.43.21.216 0:0:0:0:0:ffff:202b:15d8
32.43.21.217 0:0:0:0:0:ffff:202b:15d9
32.43.21.218 0:0:0:0:0:ffff:202b:15da
32.43.21.219 0:0:0:0:0:ffff:202b:15db
32.43.21.220 0:0:0:0:0:ffff:202b:15dc
32.43.21.221 0:0:0:0:0:ffff:202b:15dd
32.43.21.222 0:0:0:0:0:ffff:202b:15de
32.43.21.223 0:0:0:0:0:ffff:202b:15df
32.43.21.224 0:0:0:0:0:ffff:202b:15e0
32.43.21.225 0:0:0:0:0:ffff:202b:15e1
32.43.21.226 0:0:0:0:0:ffff:202b:15e2
32.43.21.227 0:0:0:0:0:ffff:202b:15e3
32.43.21.228 0:0:0:0:0:ffff:202b:15e4
32.43.21.229 0:0:0:0:0:ffff:202b:15e5
32.43.21.230 0:0:0:0:0:ffff:202b:15e6
32.43.21.231 0:0:0:0:0:ffff:202b:15e7
32.43.21.232 0:0:0:0:0:ffff:202b:15e8
32.43.21.233 0:0:0:0:0:ffff:202b:15e9
32.43.21.234 0:0:0:0:0:ffff:202b:15ea
32.43.21.235 0:0:0:0:0:ffff:202b:15eb
32.43.21.236 0:0:0:0:0:ffff:202b:15ec
32.43.21.237 0:0:0:0:0:ffff:202b:15ed
32.43.21.238 0:0:0:0:0:ffff:202b:15ee
32.43.21.239 0:0:0:0:0:ffff:202b:15ef
32.43.21.240 0:0:0:0:0:ffff:202b:15f0
32.43.21.241 0:0:0:0:0:ffff:202b:15f1
32.43.21.242 0:0:0:0:0:ffff:202b:15f2
32.43.21.243 0:0:0:0:0:ffff:202b:15f3
32.43.21.244 0:0:0:0:0:ffff:202b:15f4
32.43.21.245 0:0:0:0:0:ffff:202b:15f5
32.43.21.246 0:0:0:0:0:ffff:202b:15f6
32.43.21.247 0:0:0:0:0:ffff:202b:15f7
32.43.21.248 0:0:0:0:0:ffff:202b:15f8
32.43.21.249 0:0:0:0:0:ffff:202b:15f9
32.43.21.250 0:0:0:0:0:ffff:202b:15fa
32.43.21.251 0:0:0:0:0:ffff:202b:15fb
32.43.21.252 0:0:0:0:0:ffff:202b:15fc
32.43.21.253 0:0:0:0:0:ffff:202b:15fd
32.43.21.254 0:0:0:0:0:ffff:202b:15fe
32.43.21.255 0:0:0:0:0:ffff:202b:15ff


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.