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
53.71.21.1 0:0:0:0:0:ffff:3547:1501
53.71.21.2 0:0:0:0:0:ffff:3547:1502
53.71.21.3 0:0:0:0:0:ffff:3547:1503
53.71.21.4 0:0:0:0:0:ffff:3547:1504
53.71.21.5 0:0:0:0:0:ffff:3547:1505
53.71.21.6 0:0:0:0:0:ffff:3547:1506
53.71.21.7 0:0:0:0:0:ffff:3547:1507
53.71.21.8 0:0:0:0:0:ffff:3547:1508
53.71.21.9 0:0:0:0:0:ffff:3547:1509
53.71.21.10 0:0:0:0:0:ffff:3547:150a
53.71.21.11 0:0:0:0:0:ffff:3547:150b
53.71.21.12 0:0:0:0:0:ffff:3547:150c
53.71.21.13 0:0:0:0:0:ffff:3547:150d
53.71.21.14 0:0:0:0:0:ffff:3547:150e
53.71.21.15 0:0:0:0:0:ffff:3547:150f
53.71.21.16 0:0:0:0:0:ffff:3547:1510
53.71.21.17 0:0:0:0:0:ffff:3547:1511
53.71.21.18 0:0:0:0:0:ffff:3547:1512
53.71.21.19 0:0:0:0:0:ffff:3547:1513
53.71.21.20 0:0:0:0:0:ffff:3547:1514
53.71.21.21 0:0:0:0:0:ffff:3547:1515
53.71.21.22 0:0:0:0:0:ffff:3547:1516
53.71.21.23 0:0:0:0:0:ffff:3547:1517
53.71.21.24 0:0:0:0:0:ffff:3547:1518
53.71.21.25 0:0:0:0:0:ffff:3547:1519
53.71.21.26 0:0:0:0:0:ffff:3547:151a
53.71.21.27 0:0:0:0:0:ffff:3547:151b
53.71.21.28 0:0:0:0:0:ffff:3547:151c
53.71.21.29 0:0:0:0:0:ffff:3547:151d
53.71.21.30 0:0:0:0:0:ffff:3547:151e
53.71.21.31 0:0:0:0:0:ffff:3547:151f
53.71.21.32 0:0:0:0:0:ffff:3547:1520
53.71.21.33 0:0:0:0:0:ffff:3547:1521
53.71.21.34 0:0:0:0:0:ffff:3547:1522
53.71.21.35 0:0:0:0:0:ffff:3547:1523
53.71.21.36 0:0:0:0:0:ffff:3547:1524
53.71.21.37 0:0:0:0:0:ffff:3547:1525
53.71.21.38 0:0:0:0:0:ffff:3547:1526
53.71.21.39 0:0:0:0:0:ffff:3547:1527
53.71.21.40 0:0:0:0:0:ffff:3547:1528
53.71.21.41 0:0:0:0:0:ffff:3547:1529
53.71.21.42 0:0:0:0:0:ffff:3547:152a
53.71.21.43 0:0:0:0:0:ffff:3547:152b
53.71.21.44 0:0:0:0:0:ffff:3547:152c
53.71.21.45 0:0:0:0:0:ffff:3547:152d
53.71.21.46 0:0:0:0:0:ffff:3547:152e
53.71.21.47 0:0:0:0:0:ffff:3547:152f
53.71.21.48 0:0:0:0:0:ffff:3547:1530
53.71.21.49 0:0:0:0:0:ffff:3547:1531
53.71.21.50 0:0:0:0:0:ffff:3547:1532
53.71.21.51 0:0:0:0:0:ffff:3547:1533
53.71.21.52 0:0:0:0:0:ffff:3547:1534
53.71.21.53 0:0:0:0:0:ffff:3547:1535
53.71.21.54 0:0:0:0:0:ffff:3547:1536
53.71.21.55 0:0:0:0:0:ffff:3547:1537
53.71.21.56 0:0:0:0:0:ffff:3547:1538
53.71.21.57 0:0:0:0:0:ffff:3547:1539
53.71.21.58 0:0:0:0:0:ffff:3547:153a
53.71.21.59 0:0:0:0:0:ffff:3547:153b
53.71.21.60 0:0:0:0:0:ffff:3547:153c


53.71.21.61 0:0:0:0:0:ffff:3547:153d
53.71.21.62 0:0:0:0:0:ffff:3547:153e
53.71.21.63 0:0:0:0:0:ffff:3547:153f
53.71.21.64 0:0:0:0:0:ffff:3547:1540
53.71.21.65 0:0:0:0:0:ffff:3547:1541
53.71.21.66 0:0:0:0:0:ffff:3547:1542
53.71.21.67 0:0:0:0:0:ffff:3547:1543
53.71.21.68 0:0:0:0:0:ffff:3547:1544
53.71.21.69 0:0:0:0:0:ffff:3547:1545
53.71.21.70 0:0:0:0:0:ffff:3547:1546
53.71.21.71 0:0:0:0:0:ffff:3547:1547
53.71.21.72 0:0:0:0:0:ffff:3547:1548
53.71.21.73 0:0:0:0:0:ffff:3547:1549
53.71.21.74 0:0:0:0:0:ffff:3547:154a
53.71.21.75 0:0:0:0:0:ffff:3547:154b
53.71.21.76 0:0:0:0:0:ffff:3547:154c
53.71.21.77 0:0:0:0:0:ffff:3547:154d
53.71.21.78 0:0:0:0:0:ffff:3547:154e
53.71.21.79 0:0:0:0:0:ffff:3547:154f
53.71.21.80 0:0:0:0:0:ffff:3547:1550
53.71.21.81 0:0:0:0:0:ffff:3547:1551
53.71.21.82 0:0:0:0:0:ffff:3547:1552
53.71.21.83 0:0:0:0:0:ffff:3547:1553
53.71.21.84 0:0:0:0:0:ffff:3547:1554
53.71.21.85 0:0:0:0:0:ffff:3547:1555
53.71.21.86 0:0:0:0:0:ffff:3547:1556
53.71.21.87 0:0:0:0:0:ffff:3547:1557
53.71.21.88 0:0:0:0:0:ffff:3547:1558
53.71.21.89 0:0:0:0:0:ffff:3547:1559
53.71.21.90 0:0:0:0:0:ffff:3547:155a
53.71.21.91 0:0:0:0:0:ffff:3547:155b
53.71.21.92 0:0:0:0:0:ffff:3547:155c
53.71.21.93 0:0:0:0:0:ffff:3547:155d
53.71.21.94 0:0:0:0:0:ffff:3547:155e
53.71.21.95 0:0:0:0:0:ffff:3547:155f
53.71.21.96 0:0:0:0:0:ffff:3547:1560
53.71.21.97 0:0:0:0:0:ffff:3547:1561
53.71.21.98 0:0:0:0:0:ffff:3547:1562
53.71.21.99 0:0:0:0:0:ffff:3547:1563
53.71.21.100 0:0:0:0:0:ffff:3547:1564
53.71.21.101 0:0:0:0:0:ffff:3547:1565
53.71.21.102 0:0:0:0:0:ffff:3547:1566
53.71.21.103 0:0:0:0:0:ffff:3547:1567
53.71.21.104 0:0:0:0:0:ffff:3547:1568
53.71.21.105 0:0:0:0:0:ffff:3547:1569
53.71.21.106 0:0:0:0:0:ffff:3547:156a
53.71.21.107 0:0:0:0:0:ffff:3547:156b
53.71.21.108 0:0:0:0:0:ffff:3547:156c
53.71.21.109 0:0:0:0:0:ffff:3547:156d
53.71.21.110 0:0:0:0:0:ffff:3547:156e
53.71.21.111 0:0:0:0:0:ffff:3547:156f
53.71.21.112 0:0:0:0:0:ffff:3547:1570
53.71.21.113 0:0:0:0:0:ffff:3547:1571
53.71.21.114 0:0:0:0:0:ffff:3547:1572
53.71.21.115 0:0:0:0:0:ffff:3547:1573
53.71.21.116 0:0:0:0:0:ffff:3547:1574
53.71.21.117 0:0:0:0:0:ffff:3547:1575
53.71.21.118 0:0:0:0:0:ffff:3547:1576
53.71.21.119 0:0:0:0:0:ffff:3547:1577
53.71.21.120 0:0:0:0:0:ffff:3547:1578


53.71.21.121 0:0:0:0:0:ffff:3547:1579
53.71.21.122 0:0:0:0:0:ffff:3547:157a
53.71.21.123 0:0:0:0:0:ffff:3547:157b
53.71.21.124 0:0:0:0:0:ffff:3547:157c
53.71.21.125 0:0:0:0:0:ffff:3547:157d
53.71.21.126 0:0:0:0:0:ffff:3547:157e
53.71.21.127 0:0:0:0:0:ffff:3547:157f
53.71.21.128 0:0:0:0:0:ffff:3547:1580
53.71.21.129 0:0:0:0:0:ffff:3547:1581
53.71.21.130 0:0:0:0:0:ffff:3547:1582
53.71.21.131 0:0:0:0:0:ffff:3547:1583
53.71.21.132 0:0:0:0:0:ffff:3547:1584
53.71.21.133 0:0:0:0:0:ffff:3547:1585
53.71.21.134 0:0:0:0:0:ffff:3547:1586
53.71.21.135 0:0:0:0:0:ffff:3547:1587
53.71.21.136 0:0:0:0:0:ffff:3547:1588
53.71.21.137 0:0:0:0:0:ffff:3547:1589
53.71.21.138 0:0:0:0:0:ffff:3547:158a
53.71.21.139 0:0:0:0:0:ffff:3547:158b
53.71.21.140 0:0:0:0:0:ffff:3547:158c
53.71.21.141 0:0:0:0:0:ffff:3547:158d
53.71.21.142 0:0:0:0:0:ffff:3547:158e
53.71.21.143 0:0:0:0:0:ffff:3547:158f
53.71.21.144 0:0:0:0:0:ffff:3547:1590
53.71.21.145 0:0:0:0:0:ffff:3547:1591
53.71.21.146 0:0:0:0:0:ffff:3547:1592
53.71.21.147 0:0:0:0:0:ffff:3547:1593
53.71.21.148 0:0:0:0:0:ffff:3547:1594
53.71.21.149 0:0:0:0:0:ffff:3547:1595
53.71.21.150 0:0:0:0:0:ffff:3547:1596
53.71.21.151 0:0:0:0:0:ffff:3547:1597
53.71.21.152 0:0:0:0:0:ffff:3547:1598
53.71.21.153 0:0:0:0:0:ffff:3547:1599
53.71.21.154 0:0:0:0:0:ffff:3547:159a
53.71.21.155 0:0:0:0:0:ffff:3547:159b
53.71.21.156 0:0:0:0:0:ffff:3547:159c
53.71.21.157 0:0:0:0:0:ffff:3547:159d
53.71.21.158 0:0:0:0:0:ffff:3547:159e
53.71.21.159 0:0:0:0:0:ffff:3547:159f
53.71.21.160 0:0:0:0:0:ffff:3547:15a0
53.71.21.161 0:0:0:0:0:ffff:3547:15a1
53.71.21.162 0:0:0:0:0:ffff:3547:15a2
53.71.21.163 0:0:0:0:0:ffff:3547:15a3
53.71.21.164 0:0:0:0:0:ffff:3547:15a4
53.71.21.165 0:0:0:0:0:ffff:3547:15a5
53.71.21.166 0:0:0:0:0:ffff:3547:15a6
53.71.21.167 0:0:0:0:0:ffff:3547:15a7
53.71.21.168 0:0:0:0:0:ffff:3547:15a8
53.71.21.169 0:0:0:0:0:ffff:3547:15a9
53.71.21.170 0:0:0:0:0:ffff:3547:15aa
53.71.21.171 0:0:0:0:0:ffff:3547:15ab
53.71.21.172 0:0:0:0:0:ffff:3547:15ac
53.71.21.173 0:0:0:0:0:ffff:3547:15ad
53.71.21.174 0:0:0:0:0:ffff:3547:15ae
53.71.21.175 0:0:0:0:0:ffff:3547:15af
53.71.21.176 0:0:0:0:0:ffff:3547:15b0
53.71.21.177 0:0:0:0:0:ffff:3547:15b1
53.71.21.178 0:0:0:0:0:ffff:3547:15b2
53.71.21.179 0:0:0:0:0:ffff:3547:15b3
53.71.21.180 0:0:0:0:0:ffff:3547:15b4


53.71.21.181 0:0:0:0:0:ffff:3547:15b5
53.71.21.182 0:0:0:0:0:ffff:3547:15b6
53.71.21.183 0:0:0:0:0:ffff:3547:15b7
53.71.21.184 0:0:0:0:0:ffff:3547:15b8
53.71.21.185 0:0:0:0:0:ffff:3547:15b9
53.71.21.186 0:0:0:0:0:ffff:3547:15ba
53.71.21.187 0:0:0:0:0:ffff:3547:15bb
53.71.21.188 0:0:0:0:0:ffff:3547:15bc
53.71.21.189 0:0:0:0:0:ffff:3547:15bd
53.71.21.190 0:0:0:0:0:ffff:3547:15be
53.71.21.191 0:0:0:0:0:ffff:3547:15bf
53.71.21.192 0:0:0:0:0:ffff:3547:15c0
53.71.21.193 0:0:0:0:0:ffff:3547:15c1
53.71.21.194 0:0:0:0:0:ffff:3547:15c2
53.71.21.195 0:0:0:0:0:ffff:3547:15c3
53.71.21.196 0:0:0:0:0:ffff:3547:15c4
53.71.21.197 0:0:0:0:0:ffff:3547:15c5
53.71.21.198 0:0:0:0:0:ffff:3547:15c6
53.71.21.199 0:0:0:0:0:ffff:3547:15c7
53.71.21.200 0:0:0:0:0:ffff:3547:15c8
53.71.21.201 0:0:0:0:0:ffff:3547:15c9
53.71.21.202 0:0:0:0:0:ffff:3547:15ca
53.71.21.203 0:0:0:0:0:ffff:3547:15cb
53.71.21.204 0:0:0:0:0:ffff:3547:15cc
53.71.21.205 0:0:0:0:0:ffff:3547:15cd
53.71.21.206 0:0:0:0:0:ffff:3547:15ce
53.71.21.207 0:0:0:0:0:ffff:3547:15cf
53.71.21.208 0:0:0:0:0:ffff:3547:15d0
53.71.21.209 0:0:0:0:0:ffff:3547:15d1
53.71.21.210 0:0:0:0:0:ffff:3547:15d2
53.71.21.211 0:0:0:0:0:ffff:3547:15d3
53.71.21.212 0:0:0:0:0:ffff:3547:15d4
53.71.21.213 0:0:0:0:0:ffff:3547:15d5
53.71.21.214 0:0:0:0:0:ffff:3547:15d6
53.71.21.215 0:0:0:0:0:ffff:3547:15d7
53.71.21.216 0:0:0:0:0:ffff:3547:15d8
53.71.21.217 0:0:0:0:0:ffff:3547:15d9
53.71.21.218 0:0:0:0:0:ffff:3547:15da
53.71.21.219 0:0:0:0:0:ffff:3547:15db
53.71.21.220 0:0:0:0:0:ffff:3547:15dc
53.71.21.221 0:0:0:0:0:ffff:3547:15dd
53.71.21.222 0:0:0:0:0:ffff:3547:15de
53.71.21.223 0:0:0:0:0:ffff:3547:15df
53.71.21.224 0:0:0:0:0:ffff:3547:15e0
53.71.21.225 0:0:0:0:0:ffff:3547:15e1
53.71.21.226 0:0:0:0:0:ffff:3547:15e2
53.71.21.227 0:0:0:0:0:ffff:3547:15e3
53.71.21.228 0:0:0:0:0:ffff:3547:15e4
53.71.21.229 0:0:0:0:0:ffff:3547:15e5
53.71.21.230 0:0:0:0:0:ffff:3547:15e6
53.71.21.231 0:0:0:0:0:ffff:3547:15e7
53.71.21.232 0:0:0:0:0:ffff:3547:15e8
53.71.21.233 0:0:0:0:0:ffff:3547:15e9
53.71.21.234 0:0:0:0:0:ffff:3547:15ea
53.71.21.235 0:0:0:0:0:ffff:3547:15eb
53.71.21.236 0:0:0:0:0:ffff:3547:15ec
53.71.21.237 0:0:0:0:0:ffff:3547:15ed
53.71.21.238 0:0:0:0:0:ffff:3547:15ee
53.71.21.239 0:0:0:0:0:ffff:3547:15ef
53.71.21.240 0:0:0:0:0:ffff:3547:15f0
53.71.21.241 0:0:0:0:0:ffff:3547:15f1
53.71.21.242 0:0:0:0:0:ffff:3547:15f2
53.71.21.243 0:0:0:0:0:ffff:3547:15f3
53.71.21.244 0:0:0:0:0:ffff:3547:15f4
53.71.21.245 0:0:0:0:0:ffff:3547:15f5
53.71.21.246 0:0:0:0:0:ffff:3547:15f6
53.71.21.247 0:0:0:0:0:ffff:3547:15f7
53.71.21.248 0:0:0:0:0:ffff:3547:15f8
53.71.21.249 0:0:0:0:0:ffff:3547:15f9
53.71.21.250 0:0:0:0:0:ffff:3547:15fa
53.71.21.251 0:0:0:0:0:ffff:3547:15fb
53.71.21.252 0:0:0:0:0:ffff:3547:15fc
53.71.21.253 0:0:0:0:0:ffff:3547:15fd
53.71.21.254 0:0:0:0:0:ffff:3547:15fe
53.71.21.255 0:0:0:0:0:ffff:3547:15ff


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.