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
19.73.20.1 0:0:0:0:0:ffff:1349:1401
19.73.20.2 0:0:0:0:0:ffff:1349:1402
19.73.20.3 0:0:0:0:0:ffff:1349:1403
19.73.20.4 0:0:0:0:0:ffff:1349:1404
19.73.20.5 0:0:0:0:0:ffff:1349:1405
19.73.20.6 0:0:0:0:0:ffff:1349:1406
19.73.20.7 0:0:0:0:0:ffff:1349:1407
19.73.20.8 0:0:0:0:0:ffff:1349:1408
19.73.20.9 0:0:0:0:0:ffff:1349:1409
19.73.20.10 0:0:0:0:0:ffff:1349:140a
19.73.20.11 0:0:0:0:0:ffff:1349:140b
19.73.20.12 0:0:0:0:0:ffff:1349:140c
19.73.20.13 0:0:0:0:0:ffff:1349:140d
19.73.20.14 0:0:0:0:0:ffff:1349:140e
19.73.20.15 0:0:0:0:0:ffff:1349:140f
19.73.20.16 0:0:0:0:0:ffff:1349:1410
19.73.20.17 0:0:0:0:0:ffff:1349:1411
19.73.20.18 0:0:0:0:0:ffff:1349:1412
19.73.20.19 0:0:0:0:0:ffff:1349:1413
19.73.20.20 0:0:0:0:0:ffff:1349:1414
19.73.20.21 0:0:0:0:0:ffff:1349:1415
19.73.20.22 0:0:0:0:0:ffff:1349:1416
19.73.20.23 0:0:0:0:0:ffff:1349:1417
19.73.20.24 0:0:0:0:0:ffff:1349:1418
19.73.20.25 0:0:0:0:0:ffff:1349:1419
19.73.20.26 0:0:0:0:0:ffff:1349:141a
19.73.20.27 0:0:0:0:0:ffff:1349:141b
19.73.20.28 0:0:0:0:0:ffff:1349:141c
19.73.20.29 0:0:0:0:0:ffff:1349:141d
19.73.20.30 0:0:0:0:0:ffff:1349:141e
19.73.20.31 0:0:0:0:0:ffff:1349:141f
19.73.20.32 0:0:0:0:0:ffff:1349:1420
19.73.20.33 0:0:0:0:0:ffff:1349:1421
19.73.20.34 0:0:0:0:0:ffff:1349:1422
19.73.20.35 0:0:0:0:0:ffff:1349:1423
19.73.20.36 0:0:0:0:0:ffff:1349:1424
19.73.20.37 0:0:0:0:0:ffff:1349:1425
19.73.20.38 0:0:0:0:0:ffff:1349:1426
19.73.20.39 0:0:0:0:0:ffff:1349:1427
19.73.20.40 0:0:0:0:0:ffff:1349:1428
19.73.20.41 0:0:0:0:0:ffff:1349:1429
19.73.20.42 0:0:0:0:0:ffff:1349:142a
19.73.20.43 0:0:0:0:0:ffff:1349:142b
19.73.20.44 0:0:0:0:0:ffff:1349:142c
19.73.20.45 0:0:0:0:0:ffff:1349:142d
19.73.20.46 0:0:0:0:0:ffff:1349:142e
19.73.20.47 0:0:0:0:0:ffff:1349:142f
19.73.20.48 0:0:0:0:0:ffff:1349:1430
19.73.20.49 0:0:0:0:0:ffff:1349:1431
19.73.20.50 0:0:0:0:0:ffff:1349:1432
19.73.20.51 0:0:0:0:0:ffff:1349:1433
19.73.20.52 0:0:0:0:0:ffff:1349:1434
19.73.20.53 0:0:0:0:0:ffff:1349:1435
19.73.20.54 0:0:0:0:0:ffff:1349:1436
19.73.20.55 0:0:0:0:0:ffff:1349:1437
19.73.20.56 0:0:0:0:0:ffff:1349:1438
19.73.20.57 0:0:0:0:0:ffff:1349:1439
19.73.20.58 0:0:0:0:0:ffff:1349:143a
19.73.20.59 0:0:0:0:0:ffff:1349:143b
19.73.20.60 0:0:0:0:0:ffff:1349:143c


19.73.20.61 0:0:0:0:0:ffff:1349:143d
19.73.20.62 0:0:0:0:0:ffff:1349:143e
19.73.20.63 0:0:0:0:0:ffff:1349:143f
19.73.20.64 0:0:0:0:0:ffff:1349:1440
19.73.20.65 0:0:0:0:0:ffff:1349:1441
19.73.20.66 0:0:0:0:0:ffff:1349:1442
19.73.20.67 0:0:0:0:0:ffff:1349:1443
19.73.20.68 0:0:0:0:0:ffff:1349:1444
19.73.20.69 0:0:0:0:0:ffff:1349:1445
19.73.20.70 0:0:0:0:0:ffff:1349:1446
19.73.20.71 0:0:0:0:0:ffff:1349:1447
19.73.20.72 0:0:0:0:0:ffff:1349:1448
19.73.20.73 0:0:0:0:0:ffff:1349:1449
19.73.20.74 0:0:0:0:0:ffff:1349:144a
19.73.20.75 0:0:0:0:0:ffff:1349:144b
19.73.20.76 0:0:0:0:0:ffff:1349:144c
19.73.20.77 0:0:0:0:0:ffff:1349:144d
19.73.20.78 0:0:0:0:0:ffff:1349:144e
19.73.20.79 0:0:0:0:0:ffff:1349:144f
19.73.20.80 0:0:0:0:0:ffff:1349:1450
19.73.20.81 0:0:0:0:0:ffff:1349:1451
19.73.20.82 0:0:0:0:0:ffff:1349:1452
19.73.20.83 0:0:0:0:0:ffff:1349:1453
19.73.20.84 0:0:0:0:0:ffff:1349:1454
19.73.20.85 0:0:0:0:0:ffff:1349:1455
19.73.20.86 0:0:0:0:0:ffff:1349:1456
19.73.20.87 0:0:0:0:0:ffff:1349:1457
19.73.20.88 0:0:0:0:0:ffff:1349:1458
19.73.20.89 0:0:0:0:0:ffff:1349:1459
19.73.20.90 0:0:0:0:0:ffff:1349:145a
19.73.20.91 0:0:0:0:0:ffff:1349:145b
19.73.20.92 0:0:0:0:0:ffff:1349:145c
19.73.20.93 0:0:0:0:0:ffff:1349:145d
19.73.20.94 0:0:0:0:0:ffff:1349:145e
19.73.20.95 0:0:0:0:0:ffff:1349:145f
19.73.20.96 0:0:0:0:0:ffff:1349:1460
19.73.20.97 0:0:0:0:0:ffff:1349:1461
19.73.20.98 0:0:0:0:0:ffff:1349:1462
19.73.20.99 0:0:0:0:0:ffff:1349:1463
19.73.20.100 0:0:0:0:0:ffff:1349:1464
19.73.20.101 0:0:0:0:0:ffff:1349:1465
19.73.20.102 0:0:0:0:0:ffff:1349:1466
19.73.20.103 0:0:0:0:0:ffff:1349:1467
19.73.20.104 0:0:0:0:0:ffff:1349:1468
19.73.20.105 0:0:0:0:0:ffff:1349:1469
19.73.20.106 0:0:0:0:0:ffff:1349:146a
19.73.20.107 0:0:0:0:0:ffff:1349:146b
19.73.20.108 0:0:0:0:0:ffff:1349:146c
19.73.20.109 0:0:0:0:0:ffff:1349:146d
19.73.20.110 0:0:0:0:0:ffff:1349:146e
19.73.20.111 0:0:0:0:0:ffff:1349:146f
19.73.20.112 0:0:0:0:0:ffff:1349:1470
19.73.20.113 0:0:0:0:0:ffff:1349:1471
19.73.20.114 0:0:0:0:0:ffff:1349:1472
19.73.20.115 0:0:0:0:0:ffff:1349:1473
19.73.20.116 0:0:0:0:0:ffff:1349:1474
19.73.20.117 0:0:0:0:0:ffff:1349:1475
19.73.20.118 0:0:0:0:0:ffff:1349:1476
19.73.20.119 0:0:0:0:0:ffff:1349:1477
19.73.20.120 0:0:0:0:0:ffff:1349:1478


19.73.20.121 0:0:0:0:0:ffff:1349:1479
19.73.20.122 0:0:0:0:0:ffff:1349:147a
19.73.20.123 0:0:0:0:0:ffff:1349:147b
19.73.20.124 0:0:0:0:0:ffff:1349:147c
19.73.20.125 0:0:0:0:0:ffff:1349:147d
19.73.20.126 0:0:0:0:0:ffff:1349:147e
19.73.20.127 0:0:0:0:0:ffff:1349:147f
19.73.20.128 0:0:0:0:0:ffff:1349:1480
19.73.20.129 0:0:0:0:0:ffff:1349:1481
19.73.20.130 0:0:0:0:0:ffff:1349:1482
19.73.20.131 0:0:0:0:0:ffff:1349:1483
19.73.20.132 0:0:0:0:0:ffff:1349:1484
19.73.20.133 0:0:0:0:0:ffff:1349:1485
19.73.20.134 0:0:0:0:0:ffff:1349:1486
19.73.20.135 0:0:0:0:0:ffff:1349:1487
19.73.20.136 0:0:0:0:0:ffff:1349:1488
19.73.20.137 0:0:0:0:0:ffff:1349:1489
19.73.20.138 0:0:0:0:0:ffff:1349:148a
19.73.20.139 0:0:0:0:0:ffff:1349:148b
19.73.20.140 0:0:0:0:0:ffff:1349:148c
19.73.20.141 0:0:0:0:0:ffff:1349:148d
19.73.20.142 0:0:0:0:0:ffff:1349:148e
19.73.20.143 0:0:0:0:0:ffff:1349:148f
19.73.20.144 0:0:0:0:0:ffff:1349:1490
19.73.20.145 0:0:0:0:0:ffff:1349:1491
19.73.20.146 0:0:0:0:0:ffff:1349:1492
19.73.20.147 0:0:0:0:0:ffff:1349:1493
19.73.20.148 0:0:0:0:0:ffff:1349:1494
19.73.20.149 0:0:0:0:0:ffff:1349:1495
19.73.20.150 0:0:0:0:0:ffff:1349:1496
19.73.20.151 0:0:0:0:0:ffff:1349:1497
19.73.20.152 0:0:0:0:0:ffff:1349:1498
19.73.20.153 0:0:0:0:0:ffff:1349:1499
19.73.20.154 0:0:0:0:0:ffff:1349:149a
19.73.20.155 0:0:0:0:0:ffff:1349:149b
19.73.20.156 0:0:0:0:0:ffff:1349:149c
19.73.20.157 0:0:0:0:0:ffff:1349:149d
19.73.20.158 0:0:0:0:0:ffff:1349:149e
19.73.20.159 0:0:0:0:0:ffff:1349:149f
19.73.20.160 0:0:0:0:0:ffff:1349:14a0
19.73.20.161 0:0:0:0:0:ffff:1349:14a1
19.73.20.162 0:0:0:0:0:ffff:1349:14a2
19.73.20.163 0:0:0:0:0:ffff:1349:14a3
19.73.20.164 0:0:0:0:0:ffff:1349:14a4
19.73.20.165 0:0:0:0:0:ffff:1349:14a5
19.73.20.166 0:0:0:0:0:ffff:1349:14a6
19.73.20.167 0:0:0:0:0:ffff:1349:14a7
19.73.20.168 0:0:0:0:0:ffff:1349:14a8
19.73.20.169 0:0:0:0:0:ffff:1349:14a9
19.73.20.170 0:0:0:0:0:ffff:1349:14aa
19.73.20.171 0:0:0:0:0:ffff:1349:14ab
19.73.20.172 0:0:0:0:0:ffff:1349:14ac
19.73.20.173 0:0:0:0:0:ffff:1349:14ad
19.73.20.174 0:0:0:0:0:ffff:1349:14ae
19.73.20.175 0:0:0:0:0:ffff:1349:14af
19.73.20.176 0:0:0:0:0:ffff:1349:14b0
19.73.20.177 0:0:0:0:0:ffff:1349:14b1
19.73.20.178 0:0:0:0:0:ffff:1349:14b2
19.73.20.179 0:0:0:0:0:ffff:1349:14b3
19.73.20.180 0:0:0:0:0:ffff:1349:14b4


19.73.20.181 0:0:0:0:0:ffff:1349:14b5
19.73.20.182 0:0:0:0:0:ffff:1349:14b6
19.73.20.183 0:0:0:0:0:ffff:1349:14b7
19.73.20.184 0:0:0:0:0:ffff:1349:14b8
19.73.20.185 0:0:0:0:0:ffff:1349:14b9
19.73.20.186 0:0:0:0:0:ffff:1349:14ba
19.73.20.187 0:0:0:0:0:ffff:1349:14bb
19.73.20.188 0:0:0:0:0:ffff:1349:14bc
19.73.20.189 0:0:0:0:0:ffff:1349:14bd
19.73.20.190 0:0:0:0:0:ffff:1349:14be
19.73.20.191 0:0:0:0:0:ffff:1349:14bf
19.73.20.192 0:0:0:0:0:ffff:1349:14c0
19.73.20.193 0:0:0:0:0:ffff:1349:14c1
19.73.20.194 0:0:0:0:0:ffff:1349:14c2
19.73.20.195 0:0:0:0:0:ffff:1349:14c3
19.73.20.196 0:0:0:0:0:ffff:1349:14c4
19.73.20.197 0:0:0:0:0:ffff:1349:14c5
19.73.20.198 0:0:0:0:0:ffff:1349:14c6
19.73.20.199 0:0:0:0:0:ffff:1349:14c7
19.73.20.200 0:0:0:0:0:ffff:1349:14c8
19.73.20.201 0:0:0:0:0:ffff:1349:14c9
19.73.20.202 0:0:0:0:0:ffff:1349:14ca
19.73.20.203 0:0:0:0:0:ffff:1349:14cb
19.73.20.204 0:0:0:0:0:ffff:1349:14cc
19.73.20.205 0:0:0:0:0:ffff:1349:14cd
19.73.20.206 0:0:0:0:0:ffff:1349:14ce
19.73.20.207 0:0:0:0:0:ffff:1349:14cf
19.73.20.208 0:0:0:0:0:ffff:1349:14d0
19.73.20.209 0:0:0:0:0:ffff:1349:14d1
19.73.20.210 0:0:0:0:0:ffff:1349:14d2
19.73.20.211 0:0:0:0:0:ffff:1349:14d3
19.73.20.212 0:0:0:0:0:ffff:1349:14d4
19.73.20.213 0:0:0:0:0:ffff:1349:14d5
19.73.20.214 0:0:0:0:0:ffff:1349:14d6
19.73.20.215 0:0:0:0:0:ffff:1349:14d7
19.73.20.216 0:0:0:0:0:ffff:1349:14d8
19.73.20.217 0:0:0:0:0:ffff:1349:14d9
19.73.20.218 0:0:0:0:0:ffff:1349:14da
19.73.20.219 0:0:0:0:0:ffff:1349:14db
19.73.20.220 0:0:0:0:0:ffff:1349:14dc
19.73.20.221 0:0:0:0:0:ffff:1349:14dd
19.73.20.222 0:0:0:0:0:ffff:1349:14de
19.73.20.223 0:0:0:0:0:ffff:1349:14df
19.73.20.224 0:0:0:0:0:ffff:1349:14e0
19.73.20.225 0:0:0:0:0:ffff:1349:14e1
19.73.20.226 0:0:0:0:0:ffff:1349:14e2
19.73.20.227 0:0:0:0:0:ffff:1349:14e3
19.73.20.228 0:0:0:0:0:ffff:1349:14e4
19.73.20.229 0:0:0:0:0:ffff:1349:14e5
19.73.20.230 0:0:0:0:0:ffff:1349:14e6
19.73.20.231 0:0:0:0:0:ffff:1349:14e7
19.73.20.232 0:0:0:0:0:ffff:1349:14e8
19.73.20.233 0:0:0:0:0:ffff:1349:14e9
19.73.20.234 0:0:0:0:0:ffff:1349:14ea
19.73.20.235 0:0:0:0:0:ffff:1349:14eb
19.73.20.236 0:0:0:0:0:ffff:1349:14ec
19.73.20.237 0:0:0:0:0:ffff:1349:14ed
19.73.20.238 0:0:0:0:0:ffff:1349:14ee
19.73.20.239 0:0:0:0:0:ffff:1349:14ef
19.73.20.240 0:0:0:0:0:ffff:1349:14f0
19.73.20.241 0:0:0:0:0:ffff:1349:14f1
19.73.20.242 0:0:0:0:0:ffff:1349:14f2
19.73.20.243 0:0:0:0:0:ffff:1349:14f3
19.73.20.244 0:0:0:0:0:ffff:1349:14f4
19.73.20.245 0:0:0:0:0:ffff:1349:14f5
19.73.20.246 0:0:0:0:0:ffff:1349:14f6
19.73.20.247 0:0:0:0:0:ffff:1349:14f7
19.73.20.248 0:0:0:0:0:ffff:1349:14f8
19.73.20.249 0:0:0:0:0:ffff:1349:14f9
19.73.20.250 0:0:0:0:0:ffff:1349:14fa
19.73.20.251 0:0:0:0:0:ffff:1349:14fb
19.73.20.252 0:0:0:0:0:ffff:1349:14fc
19.73.20.253 0:0:0:0:0:ffff:1349:14fd
19.73.20.254 0:0:0:0:0:ffff:1349:14fe
19.73.20.255 0:0:0:0:0:ffff:1349:14ff


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.