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
40.168.20.1 0:0:0:0:0:ffff:28a8:1401
40.168.20.2 0:0:0:0:0:ffff:28a8:1402
40.168.20.3 0:0:0:0:0:ffff:28a8:1403
40.168.20.4 0:0:0:0:0:ffff:28a8:1404
40.168.20.5 0:0:0:0:0:ffff:28a8:1405
40.168.20.6 0:0:0:0:0:ffff:28a8:1406
40.168.20.7 0:0:0:0:0:ffff:28a8:1407
40.168.20.8 0:0:0:0:0:ffff:28a8:1408
40.168.20.9 0:0:0:0:0:ffff:28a8:1409
40.168.20.10 0:0:0:0:0:ffff:28a8:140a
40.168.20.11 0:0:0:0:0:ffff:28a8:140b
40.168.20.12 0:0:0:0:0:ffff:28a8:140c
40.168.20.13 0:0:0:0:0:ffff:28a8:140d
40.168.20.14 0:0:0:0:0:ffff:28a8:140e
40.168.20.15 0:0:0:0:0:ffff:28a8:140f
40.168.20.16 0:0:0:0:0:ffff:28a8:1410
40.168.20.17 0:0:0:0:0:ffff:28a8:1411
40.168.20.18 0:0:0:0:0:ffff:28a8:1412
40.168.20.19 0:0:0:0:0:ffff:28a8:1413
40.168.20.20 0:0:0:0:0:ffff:28a8:1414
40.168.20.21 0:0:0:0:0:ffff:28a8:1415
40.168.20.22 0:0:0:0:0:ffff:28a8:1416
40.168.20.23 0:0:0:0:0:ffff:28a8:1417
40.168.20.24 0:0:0:0:0:ffff:28a8:1418
40.168.20.25 0:0:0:0:0:ffff:28a8:1419
40.168.20.26 0:0:0:0:0:ffff:28a8:141a
40.168.20.27 0:0:0:0:0:ffff:28a8:141b
40.168.20.28 0:0:0:0:0:ffff:28a8:141c
40.168.20.29 0:0:0:0:0:ffff:28a8:141d
40.168.20.30 0:0:0:0:0:ffff:28a8:141e
40.168.20.31 0:0:0:0:0:ffff:28a8:141f
40.168.20.32 0:0:0:0:0:ffff:28a8:1420
40.168.20.33 0:0:0:0:0:ffff:28a8:1421
40.168.20.34 0:0:0:0:0:ffff:28a8:1422
40.168.20.35 0:0:0:0:0:ffff:28a8:1423
40.168.20.36 0:0:0:0:0:ffff:28a8:1424
40.168.20.37 0:0:0:0:0:ffff:28a8:1425
40.168.20.38 0:0:0:0:0:ffff:28a8:1426
40.168.20.39 0:0:0:0:0:ffff:28a8:1427
40.168.20.40 0:0:0:0:0:ffff:28a8:1428
40.168.20.41 0:0:0:0:0:ffff:28a8:1429
40.168.20.42 0:0:0:0:0:ffff:28a8:142a
40.168.20.43 0:0:0:0:0:ffff:28a8:142b
40.168.20.44 0:0:0:0:0:ffff:28a8:142c
40.168.20.45 0:0:0:0:0:ffff:28a8:142d
40.168.20.46 0:0:0:0:0:ffff:28a8:142e
40.168.20.47 0:0:0:0:0:ffff:28a8:142f
40.168.20.48 0:0:0:0:0:ffff:28a8:1430
40.168.20.49 0:0:0:0:0:ffff:28a8:1431
40.168.20.50 0:0:0:0:0:ffff:28a8:1432
40.168.20.51 0:0:0:0:0:ffff:28a8:1433
40.168.20.52 0:0:0:0:0:ffff:28a8:1434
40.168.20.53 0:0:0:0:0:ffff:28a8:1435
40.168.20.54 0:0:0:0:0:ffff:28a8:1436
40.168.20.55 0:0:0:0:0:ffff:28a8:1437
40.168.20.56 0:0:0:0:0:ffff:28a8:1438
40.168.20.57 0:0:0:0:0:ffff:28a8:1439
40.168.20.58 0:0:0:0:0:ffff:28a8:143a
40.168.20.59 0:0:0:0:0:ffff:28a8:143b
40.168.20.60 0:0:0:0:0:ffff:28a8:143c


40.168.20.61 0:0:0:0:0:ffff:28a8:143d
40.168.20.62 0:0:0:0:0:ffff:28a8:143e
40.168.20.63 0:0:0:0:0:ffff:28a8:143f
40.168.20.64 0:0:0:0:0:ffff:28a8:1440
40.168.20.65 0:0:0:0:0:ffff:28a8:1441
40.168.20.66 0:0:0:0:0:ffff:28a8:1442
40.168.20.67 0:0:0:0:0:ffff:28a8:1443
40.168.20.68 0:0:0:0:0:ffff:28a8:1444
40.168.20.69 0:0:0:0:0:ffff:28a8:1445
40.168.20.70 0:0:0:0:0:ffff:28a8:1446
40.168.20.71 0:0:0:0:0:ffff:28a8:1447
40.168.20.72 0:0:0:0:0:ffff:28a8:1448
40.168.20.73 0:0:0:0:0:ffff:28a8:1449
40.168.20.74 0:0:0:0:0:ffff:28a8:144a
40.168.20.75 0:0:0:0:0:ffff:28a8:144b
40.168.20.76 0:0:0:0:0:ffff:28a8:144c
40.168.20.77 0:0:0:0:0:ffff:28a8:144d
40.168.20.78 0:0:0:0:0:ffff:28a8:144e
40.168.20.79 0:0:0:0:0:ffff:28a8:144f
40.168.20.80 0:0:0:0:0:ffff:28a8:1450
40.168.20.81 0:0:0:0:0:ffff:28a8:1451
40.168.20.82 0:0:0:0:0:ffff:28a8:1452
40.168.20.83 0:0:0:0:0:ffff:28a8:1453
40.168.20.84 0:0:0:0:0:ffff:28a8:1454
40.168.20.85 0:0:0:0:0:ffff:28a8:1455
40.168.20.86 0:0:0:0:0:ffff:28a8:1456
40.168.20.87 0:0:0:0:0:ffff:28a8:1457
40.168.20.88 0:0:0:0:0:ffff:28a8:1458
40.168.20.89 0:0:0:0:0:ffff:28a8:1459
40.168.20.90 0:0:0:0:0:ffff:28a8:145a
40.168.20.91 0:0:0:0:0:ffff:28a8:145b
40.168.20.92 0:0:0:0:0:ffff:28a8:145c
40.168.20.93 0:0:0:0:0:ffff:28a8:145d
40.168.20.94 0:0:0:0:0:ffff:28a8:145e
40.168.20.95 0:0:0:0:0:ffff:28a8:145f
40.168.20.96 0:0:0:0:0:ffff:28a8:1460
40.168.20.97 0:0:0:0:0:ffff:28a8:1461
40.168.20.98 0:0:0:0:0:ffff:28a8:1462
40.168.20.99 0:0:0:0:0:ffff:28a8:1463
40.168.20.100 0:0:0:0:0:ffff:28a8:1464
40.168.20.101 0:0:0:0:0:ffff:28a8:1465
40.168.20.102 0:0:0:0:0:ffff:28a8:1466
40.168.20.103 0:0:0:0:0:ffff:28a8:1467
40.168.20.104 0:0:0:0:0:ffff:28a8:1468
40.168.20.105 0:0:0:0:0:ffff:28a8:1469
40.168.20.106 0:0:0:0:0:ffff:28a8:146a
40.168.20.107 0:0:0:0:0:ffff:28a8:146b
40.168.20.108 0:0:0:0:0:ffff:28a8:146c
40.168.20.109 0:0:0:0:0:ffff:28a8:146d
40.168.20.110 0:0:0:0:0:ffff:28a8:146e
40.168.20.111 0:0:0:0:0:ffff:28a8:146f
40.168.20.112 0:0:0:0:0:ffff:28a8:1470
40.168.20.113 0:0:0:0:0:ffff:28a8:1471
40.168.20.114 0:0:0:0:0:ffff:28a8:1472
40.168.20.115 0:0:0:0:0:ffff:28a8:1473
40.168.20.116 0:0:0:0:0:ffff:28a8:1474
40.168.20.117 0:0:0:0:0:ffff:28a8:1475
40.168.20.118 0:0:0:0:0:ffff:28a8:1476
40.168.20.119 0:0:0:0:0:ffff:28a8:1477
40.168.20.120 0:0:0:0:0:ffff:28a8:1478


40.168.20.121 0:0:0:0:0:ffff:28a8:1479
40.168.20.122 0:0:0:0:0:ffff:28a8:147a
40.168.20.123 0:0:0:0:0:ffff:28a8:147b
40.168.20.124 0:0:0:0:0:ffff:28a8:147c
40.168.20.125 0:0:0:0:0:ffff:28a8:147d
40.168.20.126 0:0:0:0:0:ffff:28a8:147e
40.168.20.127 0:0:0:0:0:ffff:28a8:147f
40.168.20.128 0:0:0:0:0:ffff:28a8:1480
40.168.20.129 0:0:0:0:0:ffff:28a8:1481
40.168.20.130 0:0:0:0:0:ffff:28a8:1482
40.168.20.131 0:0:0:0:0:ffff:28a8:1483
40.168.20.132 0:0:0:0:0:ffff:28a8:1484
40.168.20.133 0:0:0:0:0:ffff:28a8:1485
40.168.20.134 0:0:0:0:0:ffff:28a8:1486
40.168.20.135 0:0:0:0:0:ffff:28a8:1487
40.168.20.136 0:0:0:0:0:ffff:28a8:1488
40.168.20.137 0:0:0:0:0:ffff:28a8:1489
40.168.20.138 0:0:0:0:0:ffff:28a8:148a
40.168.20.139 0:0:0:0:0:ffff:28a8:148b
40.168.20.140 0:0:0:0:0:ffff:28a8:148c
40.168.20.141 0:0:0:0:0:ffff:28a8:148d
40.168.20.142 0:0:0:0:0:ffff:28a8:148e
40.168.20.143 0:0:0:0:0:ffff:28a8:148f
40.168.20.144 0:0:0:0:0:ffff:28a8:1490
40.168.20.145 0:0:0:0:0:ffff:28a8:1491
40.168.20.146 0:0:0:0:0:ffff:28a8:1492
40.168.20.147 0:0:0:0:0:ffff:28a8:1493
40.168.20.148 0:0:0:0:0:ffff:28a8:1494
40.168.20.149 0:0:0:0:0:ffff:28a8:1495
40.168.20.150 0:0:0:0:0:ffff:28a8:1496
40.168.20.151 0:0:0:0:0:ffff:28a8:1497
40.168.20.152 0:0:0:0:0:ffff:28a8:1498
40.168.20.153 0:0:0:0:0:ffff:28a8:1499
40.168.20.154 0:0:0:0:0:ffff:28a8:149a
40.168.20.155 0:0:0:0:0:ffff:28a8:149b
40.168.20.156 0:0:0:0:0:ffff:28a8:149c
40.168.20.157 0:0:0:0:0:ffff:28a8:149d
40.168.20.158 0:0:0:0:0:ffff:28a8:149e
40.168.20.159 0:0:0:0:0:ffff:28a8:149f
40.168.20.160 0:0:0:0:0:ffff:28a8:14a0
40.168.20.161 0:0:0:0:0:ffff:28a8:14a1
40.168.20.162 0:0:0:0:0:ffff:28a8:14a2
40.168.20.163 0:0:0:0:0:ffff:28a8:14a3
40.168.20.164 0:0:0:0:0:ffff:28a8:14a4
40.168.20.165 0:0:0:0:0:ffff:28a8:14a5
40.168.20.166 0:0:0:0:0:ffff:28a8:14a6
40.168.20.167 0:0:0:0:0:ffff:28a8:14a7
40.168.20.168 0:0:0:0:0:ffff:28a8:14a8
40.168.20.169 0:0:0:0:0:ffff:28a8:14a9
40.168.20.170 0:0:0:0:0:ffff:28a8:14aa
40.168.20.171 0:0:0:0:0:ffff:28a8:14ab
40.168.20.172 0:0:0:0:0:ffff:28a8:14ac
40.168.20.173 0:0:0:0:0:ffff:28a8:14ad
40.168.20.174 0:0:0:0:0:ffff:28a8:14ae
40.168.20.175 0:0:0:0:0:ffff:28a8:14af
40.168.20.176 0:0:0:0:0:ffff:28a8:14b0
40.168.20.177 0:0:0:0:0:ffff:28a8:14b1
40.168.20.178 0:0:0:0:0:ffff:28a8:14b2
40.168.20.179 0:0:0:0:0:ffff:28a8:14b3
40.168.20.180 0:0:0:0:0:ffff:28a8:14b4


40.168.20.181 0:0:0:0:0:ffff:28a8:14b5
40.168.20.182 0:0:0:0:0:ffff:28a8:14b6
40.168.20.183 0:0:0:0:0:ffff:28a8:14b7
40.168.20.184 0:0:0:0:0:ffff:28a8:14b8
40.168.20.185 0:0:0:0:0:ffff:28a8:14b9
40.168.20.186 0:0:0:0:0:ffff:28a8:14ba
40.168.20.187 0:0:0:0:0:ffff:28a8:14bb
40.168.20.188 0:0:0:0:0:ffff:28a8:14bc
40.168.20.189 0:0:0:0:0:ffff:28a8:14bd
40.168.20.190 0:0:0:0:0:ffff:28a8:14be
40.168.20.191 0:0:0:0:0:ffff:28a8:14bf
40.168.20.192 0:0:0:0:0:ffff:28a8:14c0
40.168.20.193 0:0:0:0:0:ffff:28a8:14c1
40.168.20.194 0:0:0:0:0:ffff:28a8:14c2
40.168.20.195 0:0:0:0:0:ffff:28a8:14c3
40.168.20.196 0:0:0:0:0:ffff:28a8:14c4
40.168.20.197 0:0:0:0:0:ffff:28a8:14c5
40.168.20.198 0:0:0:0:0:ffff:28a8:14c6
40.168.20.199 0:0:0:0:0:ffff:28a8:14c7
40.168.20.200 0:0:0:0:0:ffff:28a8:14c8
40.168.20.201 0:0:0:0:0:ffff:28a8:14c9
40.168.20.202 0:0:0:0:0:ffff:28a8:14ca
40.168.20.203 0:0:0:0:0:ffff:28a8:14cb
40.168.20.204 0:0:0:0:0:ffff:28a8:14cc
40.168.20.205 0:0:0:0:0:ffff:28a8:14cd
40.168.20.206 0:0:0:0:0:ffff:28a8:14ce
40.168.20.207 0:0:0:0:0:ffff:28a8:14cf
40.168.20.208 0:0:0:0:0:ffff:28a8:14d0
40.168.20.209 0:0:0:0:0:ffff:28a8:14d1
40.168.20.210 0:0:0:0:0:ffff:28a8:14d2
40.168.20.211 0:0:0:0:0:ffff:28a8:14d3
40.168.20.212 0:0:0:0:0:ffff:28a8:14d4
40.168.20.213 0:0:0:0:0:ffff:28a8:14d5
40.168.20.214 0:0:0:0:0:ffff:28a8:14d6
40.168.20.215 0:0:0:0:0:ffff:28a8:14d7
40.168.20.216 0:0:0:0:0:ffff:28a8:14d8
40.168.20.217 0:0:0:0:0:ffff:28a8:14d9
40.168.20.218 0:0:0:0:0:ffff:28a8:14da
40.168.20.219 0:0:0:0:0:ffff:28a8:14db
40.168.20.220 0:0:0:0:0:ffff:28a8:14dc
40.168.20.221 0:0:0:0:0:ffff:28a8:14dd
40.168.20.222 0:0:0:0:0:ffff:28a8:14de
40.168.20.223 0:0:0:0:0:ffff:28a8:14df
40.168.20.224 0:0:0:0:0:ffff:28a8:14e0
40.168.20.225 0:0:0:0:0:ffff:28a8:14e1
40.168.20.226 0:0:0:0:0:ffff:28a8:14e2
40.168.20.227 0:0:0:0:0:ffff:28a8:14e3
40.168.20.228 0:0:0:0:0:ffff:28a8:14e4
40.168.20.229 0:0:0:0:0:ffff:28a8:14e5
40.168.20.230 0:0:0:0:0:ffff:28a8:14e6
40.168.20.231 0:0:0:0:0:ffff:28a8:14e7
40.168.20.232 0:0:0:0:0:ffff:28a8:14e8
40.168.20.233 0:0:0:0:0:ffff:28a8:14e9
40.168.20.234 0:0:0:0:0:ffff:28a8:14ea
40.168.20.235 0:0:0:0:0:ffff:28a8:14eb
40.168.20.236 0:0:0:0:0:ffff:28a8:14ec
40.168.20.237 0:0:0:0:0:ffff:28a8:14ed
40.168.20.238 0:0:0:0:0:ffff:28a8:14ee
40.168.20.239 0:0:0:0:0:ffff:28a8:14ef
40.168.20.240 0:0:0:0:0:ffff:28a8:14f0
40.168.20.241 0:0:0:0:0:ffff:28a8:14f1
40.168.20.242 0:0:0:0:0:ffff:28a8:14f2
40.168.20.243 0:0:0:0:0:ffff:28a8:14f3
40.168.20.244 0:0:0:0:0:ffff:28a8:14f4
40.168.20.245 0:0:0:0:0:ffff:28a8:14f5
40.168.20.246 0:0:0:0:0:ffff:28a8:14f6
40.168.20.247 0:0:0:0:0:ffff:28a8:14f7
40.168.20.248 0:0:0:0:0:ffff:28a8:14f8
40.168.20.249 0:0:0:0:0:ffff:28a8:14f9
40.168.20.250 0:0:0:0:0:ffff:28a8:14fa
40.168.20.251 0:0:0:0:0:ffff:28a8:14fb
40.168.20.252 0:0:0:0:0:ffff:28a8:14fc
40.168.20.253 0:0:0:0:0:ffff:28a8:14fd
40.168.20.254 0:0:0:0:0:ffff:28a8:14fe
40.168.20.255 0:0:0:0:0:ffff:28a8:14ff


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.