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
72.255.20.1 0:0:0:0:0:ffff:48ff:1401
72.255.20.2 0:0:0:0:0:ffff:48ff:1402
72.255.20.3 0:0:0:0:0:ffff:48ff:1403
72.255.20.4 0:0:0:0:0:ffff:48ff:1404
72.255.20.5 0:0:0:0:0:ffff:48ff:1405
72.255.20.6 0:0:0:0:0:ffff:48ff:1406
72.255.20.7 0:0:0:0:0:ffff:48ff:1407
72.255.20.8 0:0:0:0:0:ffff:48ff:1408
72.255.20.9 0:0:0:0:0:ffff:48ff:1409
72.255.20.10 0:0:0:0:0:ffff:48ff:140a
72.255.20.11 0:0:0:0:0:ffff:48ff:140b
72.255.20.12 0:0:0:0:0:ffff:48ff:140c
72.255.20.13 0:0:0:0:0:ffff:48ff:140d
72.255.20.14 0:0:0:0:0:ffff:48ff:140e
72.255.20.15 0:0:0:0:0:ffff:48ff:140f
72.255.20.16 0:0:0:0:0:ffff:48ff:1410
72.255.20.17 0:0:0:0:0:ffff:48ff:1411
72.255.20.18 0:0:0:0:0:ffff:48ff:1412
72.255.20.19 0:0:0:0:0:ffff:48ff:1413
72.255.20.20 0:0:0:0:0:ffff:48ff:1414
72.255.20.21 0:0:0:0:0:ffff:48ff:1415
72.255.20.22 0:0:0:0:0:ffff:48ff:1416
72.255.20.23 0:0:0:0:0:ffff:48ff:1417
72.255.20.24 0:0:0:0:0:ffff:48ff:1418
72.255.20.25 0:0:0:0:0:ffff:48ff:1419
72.255.20.26 0:0:0:0:0:ffff:48ff:141a
72.255.20.27 0:0:0:0:0:ffff:48ff:141b
72.255.20.28 0:0:0:0:0:ffff:48ff:141c
72.255.20.29 0:0:0:0:0:ffff:48ff:141d
72.255.20.30 0:0:0:0:0:ffff:48ff:141e
72.255.20.31 0:0:0:0:0:ffff:48ff:141f
72.255.20.32 0:0:0:0:0:ffff:48ff:1420
72.255.20.33 0:0:0:0:0:ffff:48ff:1421
72.255.20.34 0:0:0:0:0:ffff:48ff:1422
72.255.20.35 0:0:0:0:0:ffff:48ff:1423
72.255.20.36 0:0:0:0:0:ffff:48ff:1424
72.255.20.37 0:0:0:0:0:ffff:48ff:1425
72.255.20.38 0:0:0:0:0:ffff:48ff:1426
72.255.20.39 0:0:0:0:0:ffff:48ff:1427
72.255.20.40 0:0:0:0:0:ffff:48ff:1428
72.255.20.41 0:0:0:0:0:ffff:48ff:1429
72.255.20.42 0:0:0:0:0:ffff:48ff:142a
72.255.20.43 0:0:0:0:0:ffff:48ff:142b
72.255.20.44 0:0:0:0:0:ffff:48ff:142c
72.255.20.45 0:0:0:0:0:ffff:48ff:142d
72.255.20.46 0:0:0:0:0:ffff:48ff:142e
72.255.20.47 0:0:0:0:0:ffff:48ff:142f
72.255.20.48 0:0:0:0:0:ffff:48ff:1430
72.255.20.49 0:0:0:0:0:ffff:48ff:1431
72.255.20.50 0:0:0:0:0:ffff:48ff:1432
72.255.20.51 0:0:0:0:0:ffff:48ff:1433
72.255.20.52 0:0:0:0:0:ffff:48ff:1434
72.255.20.53 0:0:0:0:0:ffff:48ff:1435
72.255.20.54 0:0:0:0:0:ffff:48ff:1436
72.255.20.55 0:0:0:0:0:ffff:48ff:1437
72.255.20.56 0:0:0:0:0:ffff:48ff:1438
72.255.20.57 0:0:0:0:0:ffff:48ff:1439
72.255.20.58 0:0:0:0:0:ffff:48ff:143a
72.255.20.59 0:0:0:0:0:ffff:48ff:143b
72.255.20.60 0:0:0:0:0:ffff:48ff:143c


72.255.20.61 0:0:0:0:0:ffff:48ff:143d
72.255.20.62 0:0:0:0:0:ffff:48ff:143e
72.255.20.63 0:0:0:0:0:ffff:48ff:143f
72.255.20.64 0:0:0:0:0:ffff:48ff:1440
72.255.20.65 0:0:0:0:0:ffff:48ff:1441
72.255.20.66 0:0:0:0:0:ffff:48ff:1442
72.255.20.67 0:0:0:0:0:ffff:48ff:1443
72.255.20.68 0:0:0:0:0:ffff:48ff:1444
72.255.20.69 0:0:0:0:0:ffff:48ff:1445
72.255.20.70 0:0:0:0:0:ffff:48ff:1446
72.255.20.71 0:0:0:0:0:ffff:48ff:1447
72.255.20.72 0:0:0:0:0:ffff:48ff:1448
72.255.20.73 0:0:0:0:0:ffff:48ff:1449
72.255.20.74 0:0:0:0:0:ffff:48ff:144a
72.255.20.75 0:0:0:0:0:ffff:48ff:144b
72.255.20.76 0:0:0:0:0:ffff:48ff:144c
72.255.20.77 0:0:0:0:0:ffff:48ff:144d
72.255.20.78 0:0:0:0:0:ffff:48ff:144e
72.255.20.79 0:0:0:0:0:ffff:48ff:144f
72.255.20.80 0:0:0:0:0:ffff:48ff:1450
72.255.20.81 0:0:0:0:0:ffff:48ff:1451
72.255.20.82 0:0:0:0:0:ffff:48ff:1452
72.255.20.83 0:0:0:0:0:ffff:48ff:1453
72.255.20.84 0:0:0:0:0:ffff:48ff:1454
72.255.20.85 0:0:0:0:0:ffff:48ff:1455
72.255.20.86 0:0:0:0:0:ffff:48ff:1456
72.255.20.87 0:0:0:0:0:ffff:48ff:1457
72.255.20.88 0:0:0:0:0:ffff:48ff:1458
72.255.20.89 0:0:0:0:0:ffff:48ff:1459
72.255.20.90 0:0:0:0:0:ffff:48ff:145a
72.255.20.91 0:0:0:0:0:ffff:48ff:145b
72.255.20.92 0:0:0:0:0:ffff:48ff:145c
72.255.20.93 0:0:0:0:0:ffff:48ff:145d
72.255.20.94 0:0:0:0:0:ffff:48ff:145e
72.255.20.95 0:0:0:0:0:ffff:48ff:145f
72.255.20.96 0:0:0:0:0:ffff:48ff:1460
72.255.20.97 0:0:0:0:0:ffff:48ff:1461
72.255.20.98 0:0:0:0:0:ffff:48ff:1462
72.255.20.99 0:0:0:0:0:ffff:48ff:1463
72.255.20.100 0:0:0:0:0:ffff:48ff:1464
72.255.20.101 0:0:0:0:0:ffff:48ff:1465
72.255.20.102 0:0:0:0:0:ffff:48ff:1466
72.255.20.103 0:0:0:0:0:ffff:48ff:1467
72.255.20.104 0:0:0:0:0:ffff:48ff:1468
72.255.20.105 0:0:0:0:0:ffff:48ff:1469
72.255.20.106 0:0:0:0:0:ffff:48ff:146a
72.255.20.107 0:0:0:0:0:ffff:48ff:146b
72.255.20.108 0:0:0:0:0:ffff:48ff:146c
72.255.20.109 0:0:0:0:0:ffff:48ff:146d
72.255.20.110 0:0:0:0:0:ffff:48ff:146e
72.255.20.111 0:0:0:0:0:ffff:48ff:146f
72.255.20.112 0:0:0:0:0:ffff:48ff:1470
72.255.20.113 0:0:0:0:0:ffff:48ff:1471
72.255.20.114 0:0:0:0:0:ffff:48ff:1472
72.255.20.115 0:0:0:0:0:ffff:48ff:1473
72.255.20.116 0:0:0:0:0:ffff:48ff:1474
72.255.20.117 0:0:0:0:0:ffff:48ff:1475
72.255.20.118 0:0:0:0:0:ffff:48ff:1476
72.255.20.119 0:0:0:0:0:ffff:48ff:1477
72.255.20.120 0:0:0:0:0:ffff:48ff:1478


72.255.20.121 0:0:0:0:0:ffff:48ff:1479
72.255.20.122 0:0:0:0:0:ffff:48ff:147a
72.255.20.123 0:0:0:0:0:ffff:48ff:147b
72.255.20.124 0:0:0:0:0:ffff:48ff:147c
72.255.20.125 0:0:0:0:0:ffff:48ff:147d
72.255.20.126 0:0:0:0:0:ffff:48ff:147e
72.255.20.127 0:0:0:0:0:ffff:48ff:147f
72.255.20.128 0:0:0:0:0:ffff:48ff:1480
72.255.20.129 0:0:0:0:0:ffff:48ff:1481
72.255.20.130 0:0:0:0:0:ffff:48ff:1482
72.255.20.131 0:0:0:0:0:ffff:48ff:1483
72.255.20.132 0:0:0:0:0:ffff:48ff:1484
72.255.20.133 0:0:0:0:0:ffff:48ff:1485
72.255.20.134 0:0:0:0:0:ffff:48ff:1486
72.255.20.135 0:0:0:0:0:ffff:48ff:1487
72.255.20.136 0:0:0:0:0:ffff:48ff:1488
72.255.20.137 0:0:0:0:0:ffff:48ff:1489
72.255.20.138 0:0:0:0:0:ffff:48ff:148a
72.255.20.139 0:0:0:0:0:ffff:48ff:148b
72.255.20.140 0:0:0:0:0:ffff:48ff:148c
72.255.20.141 0:0:0:0:0:ffff:48ff:148d
72.255.20.142 0:0:0:0:0:ffff:48ff:148e
72.255.20.143 0:0:0:0:0:ffff:48ff:148f
72.255.20.144 0:0:0:0:0:ffff:48ff:1490
72.255.20.145 0:0:0:0:0:ffff:48ff:1491
72.255.20.146 0:0:0:0:0:ffff:48ff:1492
72.255.20.147 0:0:0:0:0:ffff:48ff:1493
72.255.20.148 0:0:0:0:0:ffff:48ff:1494
72.255.20.149 0:0:0:0:0:ffff:48ff:1495
72.255.20.150 0:0:0:0:0:ffff:48ff:1496
72.255.20.151 0:0:0:0:0:ffff:48ff:1497
72.255.20.152 0:0:0:0:0:ffff:48ff:1498
72.255.20.153 0:0:0:0:0:ffff:48ff:1499
72.255.20.154 0:0:0:0:0:ffff:48ff:149a
72.255.20.155 0:0:0:0:0:ffff:48ff:149b
72.255.20.156 0:0:0:0:0:ffff:48ff:149c
72.255.20.157 0:0:0:0:0:ffff:48ff:149d
72.255.20.158 0:0:0:0:0:ffff:48ff:149e
72.255.20.159 0:0:0:0:0:ffff:48ff:149f
72.255.20.160 0:0:0:0:0:ffff:48ff:14a0
72.255.20.161 0:0:0:0:0:ffff:48ff:14a1
72.255.20.162 0:0:0:0:0:ffff:48ff:14a2
72.255.20.163 0:0:0:0:0:ffff:48ff:14a3
72.255.20.164 0:0:0:0:0:ffff:48ff:14a4
72.255.20.165 0:0:0:0:0:ffff:48ff:14a5
72.255.20.166 0:0:0:0:0:ffff:48ff:14a6
72.255.20.167 0:0:0:0:0:ffff:48ff:14a7
72.255.20.168 0:0:0:0:0:ffff:48ff:14a8
72.255.20.169 0:0:0:0:0:ffff:48ff:14a9
72.255.20.170 0:0:0:0:0:ffff:48ff:14aa
72.255.20.171 0:0:0:0:0:ffff:48ff:14ab
72.255.20.172 0:0:0:0:0:ffff:48ff:14ac
72.255.20.173 0:0:0:0:0:ffff:48ff:14ad
72.255.20.174 0:0:0:0:0:ffff:48ff:14ae
72.255.20.175 0:0:0:0:0:ffff:48ff:14af
72.255.20.176 0:0:0:0:0:ffff:48ff:14b0
72.255.20.177 0:0:0:0:0:ffff:48ff:14b1
72.255.20.178 0:0:0:0:0:ffff:48ff:14b2
72.255.20.179 0:0:0:0:0:ffff:48ff:14b3
72.255.20.180 0:0:0:0:0:ffff:48ff:14b4


72.255.20.181 0:0:0:0:0:ffff:48ff:14b5
72.255.20.182 0:0:0:0:0:ffff:48ff:14b6
72.255.20.183 0:0:0:0:0:ffff:48ff:14b7
72.255.20.184 0:0:0:0:0:ffff:48ff:14b8
72.255.20.185 0:0:0:0:0:ffff:48ff:14b9
72.255.20.186 0:0:0:0:0:ffff:48ff:14ba
72.255.20.187 0:0:0:0:0:ffff:48ff:14bb
72.255.20.188 0:0:0:0:0:ffff:48ff:14bc
72.255.20.189 0:0:0:0:0:ffff:48ff:14bd
72.255.20.190 0:0:0:0:0:ffff:48ff:14be
72.255.20.191 0:0:0:0:0:ffff:48ff:14bf
72.255.20.192 0:0:0:0:0:ffff:48ff:14c0
72.255.20.193 0:0:0:0:0:ffff:48ff:14c1
72.255.20.194 0:0:0:0:0:ffff:48ff:14c2
72.255.20.195 0:0:0:0:0:ffff:48ff:14c3
72.255.20.196 0:0:0:0:0:ffff:48ff:14c4
72.255.20.197 0:0:0:0:0:ffff:48ff:14c5
72.255.20.198 0:0:0:0:0:ffff:48ff:14c6
72.255.20.199 0:0:0:0:0:ffff:48ff:14c7
72.255.20.200 0:0:0:0:0:ffff:48ff:14c8
72.255.20.201 0:0:0:0:0:ffff:48ff:14c9
72.255.20.202 0:0:0:0:0:ffff:48ff:14ca
72.255.20.203 0:0:0:0:0:ffff:48ff:14cb
72.255.20.204 0:0:0:0:0:ffff:48ff:14cc
72.255.20.205 0:0:0:0:0:ffff:48ff:14cd
72.255.20.206 0:0:0:0:0:ffff:48ff:14ce
72.255.20.207 0:0:0:0:0:ffff:48ff:14cf
72.255.20.208 0:0:0:0:0:ffff:48ff:14d0
72.255.20.209 0:0:0:0:0:ffff:48ff:14d1
72.255.20.210 0:0:0:0:0:ffff:48ff:14d2
72.255.20.211 0:0:0:0:0:ffff:48ff:14d3
72.255.20.212 0:0:0:0:0:ffff:48ff:14d4
72.255.20.213 0:0:0:0:0:ffff:48ff:14d5
72.255.20.214 0:0:0:0:0:ffff:48ff:14d6
72.255.20.215 0:0:0:0:0:ffff:48ff:14d7
72.255.20.216 0:0:0:0:0:ffff:48ff:14d8
72.255.20.217 0:0:0:0:0:ffff:48ff:14d9
72.255.20.218 0:0:0:0:0:ffff:48ff:14da
72.255.20.219 0:0:0:0:0:ffff:48ff:14db
72.255.20.220 0:0:0:0:0:ffff:48ff:14dc
72.255.20.221 0:0:0:0:0:ffff:48ff:14dd
72.255.20.222 0:0:0:0:0:ffff:48ff:14de
72.255.20.223 0:0:0:0:0:ffff:48ff:14df
72.255.20.224 0:0:0:0:0:ffff:48ff:14e0
72.255.20.225 0:0:0:0:0:ffff:48ff:14e1
72.255.20.226 0:0:0:0:0:ffff:48ff:14e2
72.255.20.227 0:0:0:0:0:ffff:48ff:14e3
72.255.20.228 0:0:0:0:0:ffff:48ff:14e4
72.255.20.229 0:0:0:0:0:ffff:48ff:14e5
72.255.20.230 0:0:0:0:0:ffff:48ff:14e6
72.255.20.231 0:0:0:0:0:ffff:48ff:14e7
72.255.20.232 0:0:0:0:0:ffff:48ff:14e8
72.255.20.233 0:0:0:0:0:ffff:48ff:14e9
72.255.20.234 0:0:0:0:0:ffff:48ff:14ea
72.255.20.235 0:0:0:0:0:ffff:48ff:14eb
72.255.20.236 0:0:0:0:0:ffff:48ff:14ec
72.255.20.237 0:0:0:0:0:ffff:48ff:14ed
72.255.20.238 0:0:0:0:0:ffff:48ff:14ee
72.255.20.239 0:0:0:0:0:ffff:48ff:14ef
72.255.20.240 0:0:0:0:0:ffff:48ff:14f0
72.255.20.241 0:0:0:0:0:ffff:48ff:14f1
72.255.20.242 0:0:0:0:0:ffff:48ff:14f2
72.255.20.243 0:0:0:0:0:ffff:48ff:14f3
72.255.20.244 0:0:0:0:0:ffff:48ff:14f4
72.255.20.245 0:0:0:0:0:ffff:48ff:14f5
72.255.20.246 0:0:0:0:0:ffff:48ff:14f6
72.255.20.247 0:0:0:0:0:ffff:48ff:14f7
72.255.20.248 0:0:0:0:0:ffff:48ff:14f8
72.255.20.249 0:0:0:0:0:ffff:48ff:14f9
72.255.20.250 0:0:0:0:0:ffff:48ff:14fa
72.255.20.251 0:0:0:0:0:ffff:48ff:14fb
72.255.20.252 0:0:0:0:0:ffff:48ff:14fc
72.255.20.253 0:0:0:0:0:ffff:48ff:14fd
72.255.20.254 0:0:0:0:0:ffff:48ff:14fe
72.255.20.255 0:0:0:0:0:ffff:48ff:14ff


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.