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
142.37.20.1 0:0:0:0:0:ffff:8e25:1401
142.37.20.2 0:0:0:0:0:ffff:8e25:1402
142.37.20.3 0:0:0:0:0:ffff:8e25:1403
142.37.20.4 0:0:0:0:0:ffff:8e25:1404
142.37.20.5 0:0:0:0:0:ffff:8e25:1405
142.37.20.6 0:0:0:0:0:ffff:8e25:1406
142.37.20.7 0:0:0:0:0:ffff:8e25:1407
142.37.20.8 0:0:0:0:0:ffff:8e25:1408
142.37.20.9 0:0:0:0:0:ffff:8e25:1409
142.37.20.10 0:0:0:0:0:ffff:8e25:140a
142.37.20.11 0:0:0:0:0:ffff:8e25:140b
142.37.20.12 0:0:0:0:0:ffff:8e25:140c
142.37.20.13 0:0:0:0:0:ffff:8e25:140d
142.37.20.14 0:0:0:0:0:ffff:8e25:140e
142.37.20.15 0:0:0:0:0:ffff:8e25:140f
142.37.20.16 0:0:0:0:0:ffff:8e25:1410
142.37.20.17 0:0:0:0:0:ffff:8e25:1411
142.37.20.18 0:0:0:0:0:ffff:8e25:1412
142.37.20.19 0:0:0:0:0:ffff:8e25:1413
142.37.20.20 0:0:0:0:0:ffff:8e25:1414
142.37.20.21 0:0:0:0:0:ffff:8e25:1415
142.37.20.22 0:0:0:0:0:ffff:8e25:1416
142.37.20.23 0:0:0:0:0:ffff:8e25:1417
142.37.20.24 0:0:0:0:0:ffff:8e25:1418
142.37.20.25 0:0:0:0:0:ffff:8e25:1419
142.37.20.26 0:0:0:0:0:ffff:8e25:141a
142.37.20.27 0:0:0:0:0:ffff:8e25:141b
142.37.20.28 0:0:0:0:0:ffff:8e25:141c
142.37.20.29 0:0:0:0:0:ffff:8e25:141d
142.37.20.30 0:0:0:0:0:ffff:8e25:141e
142.37.20.31 0:0:0:0:0:ffff:8e25:141f
142.37.20.32 0:0:0:0:0:ffff:8e25:1420
142.37.20.33 0:0:0:0:0:ffff:8e25:1421
142.37.20.34 0:0:0:0:0:ffff:8e25:1422
142.37.20.35 0:0:0:0:0:ffff:8e25:1423
142.37.20.36 0:0:0:0:0:ffff:8e25:1424
142.37.20.37 0:0:0:0:0:ffff:8e25:1425
142.37.20.38 0:0:0:0:0:ffff:8e25:1426
142.37.20.39 0:0:0:0:0:ffff:8e25:1427
142.37.20.40 0:0:0:0:0:ffff:8e25:1428
142.37.20.41 0:0:0:0:0:ffff:8e25:1429
142.37.20.42 0:0:0:0:0:ffff:8e25:142a
142.37.20.43 0:0:0:0:0:ffff:8e25:142b
142.37.20.44 0:0:0:0:0:ffff:8e25:142c
142.37.20.45 0:0:0:0:0:ffff:8e25:142d
142.37.20.46 0:0:0:0:0:ffff:8e25:142e
142.37.20.47 0:0:0:0:0:ffff:8e25:142f
142.37.20.48 0:0:0:0:0:ffff:8e25:1430
142.37.20.49 0:0:0:0:0:ffff:8e25:1431
142.37.20.50 0:0:0:0:0:ffff:8e25:1432
142.37.20.51 0:0:0:0:0:ffff:8e25:1433
142.37.20.52 0:0:0:0:0:ffff:8e25:1434
142.37.20.53 0:0:0:0:0:ffff:8e25:1435
142.37.20.54 0:0:0:0:0:ffff:8e25:1436
142.37.20.55 0:0:0:0:0:ffff:8e25:1437
142.37.20.56 0:0:0:0:0:ffff:8e25:1438
142.37.20.57 0:0:0:0:0:ffff:8e25:1439
142.37.20.58 0:0:0:0:0:ffff:8e25:143a
142.37.20.59 0:0:0:0:0:ffff:8e25:143b
142.37.20.60 0:0:0:0:0:ffff:8e25:143c


142.37.20.61 0:0:0:0:0:ffff:8e25:143d
142.37.20.62 0:0:0:0:0:ffff:8e25:143e
142.37.20.63 0:0:0:0:0:ffff:8e25:143f
142.37.20.64 0:0:0:0:0:ffff:8e25:1440
142.37.20.65 0:0:0:0:0:ffff:8e25:1441
142.37.20.66 0:0:0:0:0:ffff:8e25:1442
142.37.20.67 0:0:0:0:0:ffff:8e25:1443
142.37.20.68 0:0:0:0:0:ffff:8e25:1444
142.37.20.69 0:0:0:0:0:ffff:8e25:1445
142.37.20.70 0:0:0:0:0:ffff:8e25:1446
142.37.20.71 0:0:0:0:0:ffff:8e25:1447
142.37.20.72 0:0:0:0:0:ffff:8e25:1448
142.37.20.73 0:0:0:0:0:ffff:8e25:1449
142.37.20.74 0:0:0:0:0:ffff:8e25:144a
142.37.20.75 0:0:0:0:0:ffff:8e25:144b
142.37.20.76 0:0:0:0:0:ffff:8e25:144c
142.37.20.77 0:0:0:0:0:ffff:8e25:144d
142.37.20.78 0:0:0:0:0:ffff:8e25:144e
142.37.20.79 0:0:0:0:0:ffff:8e25:144f
142.37.20.80 0:0:0:0:0:ffff:8e25:1450
142.37.20.81 0:0:0:0:0:ffff:8e25:1451
142.37.20.82 0:0:0:0:0:ffff:8e25:1452
142.37.20.83 0:0:0:0:0:ffff:8e25:1453
142.37.20.84 0:0:0:0:0:ffff:8e25:1454
142.37.20.85 0:0:0:0:0:ffff:8e25:1455
142.37.20.86 0:0:0:0:0:ffff:8e25:1456
142.37.20.87 0:0:0:0:0:ffff:8e25:1457
142.37.20.88 0:0:0:0:0:ffff:8e25:1458
142.37.20.89 0:0:0:0:0:ffff:8e25:1459
142.37.20.90 0:0:0:0:0:ffff:8e25:145a
142.37.20.91 0:0:0:0:0:ffff:8e25:145b
142.37.20.92 0:0:0:0:0:ffff:8e25:145c
142.37.20.93 0:0:0:0:0:ffff:8e25:145d
142.37.20.94 0:0:0:0:0:ffff:8e25:145e
142.37.20.95 0:0:0:0:0:ffff:8e25:145f
142.37.20.96 0:0:0:0:0:ffff:8e25:1460
142.37.20.97 0:0:0:0:0:ffff:8e25:1461
142.37.20.98 0:0:0:0:0:ffff:8e25:1462
142.37.20.99 0:0:0:0:0:ffff:8e25:1463
142.37.20.100 0:0:0:0:0:ffff:8e25:1464
142.37.20.101 0:0:0:0:0:ffff:8e25:1465
142.37.20.102 0:0:0:0:0:ffff:8e25:1466
142.37.20.103 0:0:0:0:0:ffff:8e25:1467
142.37.20.104 0:0:0:0:0:ffff:8e25:1468
142.37.20.105 0:0:0:0:0:ffff:8e25:1469
142.37.20.106 0:0:0:0:0:ffff:8e25:146a
142.37.20.107 0:0:0:0:0:ffff:8e25:146b
142.37.20.108 0:0:0:0:0:ffff:8e25:146c
142.37.20.109 0:0:0:0:0:ffff:8e25:146d
142.37.20.110 0:0:0:0:0:ffff:8e25:146e
142.37.20.111 0:0:0:0:0:ffff:8e25:146f
142.37.20.112 0:0:0:0:0:ffff:8e25:1470
142.37.20.113 0:0:0:0:0:ffff:8e25:1471
142.37.20.114 0:0:0:0:0:ffff:8e25:1472
142.37.20.115 0:0:0:0:0:ffff:8e25:1473
142.37.20.116 0:0:0:0:0:ffff:8e25:1474
142.37.20.117 0:0:0:0:0:ffff:8e25:1475
142.37.20.118 0:0:0:0:0:ffff:8e25:1476
142.37.20.119 0:0:0:0:0:ffff:8e25:1477
142.37.20.120 0:0:0:0:0:ffff:8e25:1478


142.37.20.121 0:0:0:0:0:ffff:8e25:1479
142.37.20.122 0:0:0:0:0:ffff:8e25:147a
142.37.20.123 0:0:0:0:0:ffff:8e25:147b
142.37.20.124 0:0:0:0:0:ffff:8e25:147c
142.37.20.125 0:0:0:0:0:ffff:8e25:147d
142.37.20.126 0:0:0:0:0:ffff:8e25:147e
142.37.20.127 0:0:0:0:0:ffff:8e25:147f
142.37.20.128 0:0:0:0:0:ffff:8e25:1480
142.37.20.129 0:0:0:0:0:ffff:8e25:1481
142.37.20.130 0:0:0:0:0:ffff:8e25:1482
142.37.20.131 0:0:0:0:0:ffff:8e25:1483
142.37.20.132 0:0:0:0:0:ffff:8e25:1484
142.37.20.133 0:0:0:0:0:ffff:8e25:1485
142.37.20.134 0:0:0:0:0:ffff:8e25:1486
142.37.20.135 0:0:0:0:0:ffff:8e25:1487
142.37.20.136 0:0:0:0:0:ffff:8e25:1488
142.37.20.137 0:0:0:0:0:ffff:8e25:1489
142.37.20.138 0:0:0:0:0:ffff:8e25:148a
142.37.20.139 0:0:0:0:0:ffff:8e25:148b
142.37.20.140 0:0:0:0:0:ffff:8e25:148c
142.37.20.141 0:0:0:0:0:ffff:8e25:148d
142.37.20.142 0:0:0:0:0:ffff:8e25:148e
142.37.20.143 0:0:0:0:0:ffff:8e25:148f
142.37.20.144 0:0:0:0:0:ffff:8e25:1490
142.37.20.145 0:0:0:0:0:ffff:8e25:1491
142.37.20.146 0:0:0:0:0:ffff:8e25:1492
142.37.20.147 0:0:0:0:0:ffff:8e25:1493
142.37.20.148 0:0:0:0:0:ffff:8e25:1494
142.37.20.149 0:0:0:0:0:ffff:8e25:1495
142.37.20.150 0:0:0:0:0:ffff:8e25:1496
142.37.20.151 0:0:0:0:0:ffff:8e25:1497
142.37.20.152 0:0:0:0:0:ffff:8e25:1498
142.37.20.153 0:0:0:0:0:ffff:8e25:1499
142.37.20.154 0:0:0:0:0:ffff:8e25:149a
142.37.20.155 0:0:0:0:0:ffff:8e25:149b
142.37.20.156 0:0:0:0:0:ffff:8e25:149c
142.37.20.157 0:0:0:0:0:ffff:8e25:149d
142.37.20.158 0:0:0:0:0:ffff:8e25:149e
142.37.20.159 0:0:0:0:0:ffff:8e25:149f
142.37.20.160 0:0:0:0:0:ffff:8e25:14a0
142.37.20.161 0:0:0:0:0:ffff:8e25:14a1
142.37.20.162 0:0:0:0:0:ffff:8e25:14a2
142.37.20.163 0:0:0:0:0:ffff:8e25:14a3
142.37.20.164 0:0:0:0:0:ffff:8e25:14a4
142.37.20.165 0:0:0:0:0:ffff:8e25:14a5
142.37.20.166 0:0:0:0:0:ffff:8e25:14a6
142.37.20.167 0:0:0:0:0:ffff:8e25:14a7
142.37.20.168 0:0:0:0:0:ffff:8e25:14a8
142.37.20.169 0:0:0:0:0:ffff:8e25:14a9
142.37.20.170 0:0:0:0:0:ffff:8e25:14aa
142.37.20.171 0:0:0:0:0:ffff:8e25:14ab
142.37.20.172 0:0:0:0:0:ffff:8e25:14ac
142.37.20.173 0:0:0:0:0:ffff:8e25:14ad
142.37.20.174 0:0:0:0:0:ffff:8e25:14ae
142.37.20.175 0:0:0:0:0:ffff:8e25:14af
142.37.20.176 0:0:0:0:0:ffff:8e25:14b0
142.37.20.177 0:0:0:0:0:ffff:8e25:14b1
142.37.20.178 0:0:0:0:0:ffff:8e25:14b2
142.37.20.179 0:0:0:0:0:ffff:8e25:14b3
142.37.20.180 0:0:0:0:0:ffff:8e25:14b4


142.37.20.181 0:0:0:0:0:ffff:8e25:14b5
142.37.20.182 0:0:0:0:0:ffff:8e25:14b6
142.37.20.183 0:0:0:0:0:ffff:8e25:14b7
142.37.20.184 0:0:0:0:0:ffff:8e25:14b8
142.37.20.185 0:0:0:0:0:ffff:8e25:14b9
142.37.20.186 0:0:0:0:0:ffff:8e25:14ba
142.37.20.187 0:0:0:0:0:ffff:8e25:14bb
142.37.20.188 0:0:0:0:0:ffff:8e25:14bc
142.37.20.189 0:0:0:0:0:ffff:8e25:14bd
142.37.20.190 0:0:0:0:0:ffff:8e25:14be
142.37.20.191 0:0:0:0:0:ffff:8e25:14bf
142.37.20.192 0:0:0:0:0:ffff:8e25:14c0
142.37.20.193 0:0:0:0:0:ffff:8e25:14c1
142.37.20.194 0:0:0:0:0:ffff:8e25:14c2
142.37.20.195 0:0:0:0:0:ffff:8e25:14c3
142.37.20.196 0:0:0:0:0:ffff:8e25:14c4
142.37.20.197 0:0:0:0:0:ffff:8e25:14c5
142.37.20.198 0:0:0:0:0:ffff:8e25:14c6
142.37.20.199 0:0:0:0:0:ffff:8e25:14c7
142.37.20.200 0:0:0:0:0:ffff:8e25:14c8
142.37.20.201 0:0:0:0:0:ffff:8e25:14c9
142.37.20.202 0:0:0:0:0:ffff:8e25:14ca
142.37.20.203 0:0:0:0:0:ffff:8e25:14cb
142.37.20.204 0:0:0:0:0:ffff:8e25:14cc
142.37.20.205 0:0:0:0:0:ffff:8e25:14cd
142.37.20.206 0:0:0:0:0:ffff:8e25:14ce
142.37.20.207 0:0:0:0:0:ffff:8e25:14cf
142.37.20.208 0:0:0:0:0:ffff:8e25:14d0
142.37.20.209 0:0:0:0:0:ffff:8e25:14d1
142.37.20.210 0:0:0:0:0:ffff:8e25:14d2
142.37.20.211 0:0:0:0:0:ffff:8e25:14d3
142.37.20.212 0:0:0:0:0:ffff:8e25:14d4
142.37.20.213 0:0:0:0:0:ffff:8e25:14d5
142.37.20.214 0:0:0:0:0:ffff:8e25:14d6
142.37.20.215 0:0:0:0:0:ffff:8e25:14d7
142.37.20.216 0:0:0:0:0:ffff:8e25:14d8
142.37.20.217 0:0:0:0:0:ffff:8e25:14d9
142.37.20.218 0:0:0:0:0:ffff:8e25:14da
142.37.20.219 0:0:0:0:0:ffff:8e25:14db
142.37.20.220 0:0:0:0:0:ffff:8e25:14dc
142.37.20.221 0:0:0:0:0:ffff:8e25:14dd
142.37.20.222 0:0:0:0:0:ffff:8e25:14de
142.37.20.223 0:0:0:0:0:ffff:8e25:14df
142.37.20.224 0:0:0:0:0:ffff:8e25:14e0
142.37.20.225 0:0:0:0:0:ffff:8e25:14e1
142.37.20.226 0:0:0:0:0:ffff:8e25:14e2
142.37.20.227 0:0:0:0:0:ffff:8e25:14e3
142.37.20.228 0:0:0:0:0:ffff:8e25:14e4
142.37.20.229 0:0:0:0:0:ffff:8e25:14e5
142.37.20.230 0:0:0:0:0:ffff:8e25:14e6
142.37.20.231 0:0:0:0:0:ffff:8e25:14e7
142.37.20.232 0:0:0:0:0:ffff:8e25:14e8
142.37.20.233 0:0:0:0:0:ffff:8e25:14e9
142.37.20.234 0:0:0:0:0:ffff:8e25:14ea
142.37.20.235 0:0:0:0:0:ffff:8e25:14eb
142.37.20.236 0:0:0:0:0:ffff:8e25:14ec
142.37.20.237 0:0:0:0:0:ffff:8e25:14ed
142.37.20.238 0:0:0:0:0:ffff:8e25:14ee
142.37.20.239 0:0:0:0:0:ffff:8e25:14ef
142.37.20.240 0:0:0:0:0:ffff:8e25:14f0
142.37.20.241 0:0:0:0:0:ffff:8e25:14f1
142.37.20.242 0:0:0:0:0:ffff:8e25:14f2
142.37.20.243 0:0:0:0:0:ffff:8e25:14f3
142.37.20.244 0:0:0:0:0:ffff:8e25:14f4
142.37.20.245 0:0:0:0:0:ffff:8e25:14f5
142.37.20.246 0:0:0:0:0:ffff:8e25:14f6
142.37.20.247 0:0:0:0:0:ffff:8e25:14f7
142.37.20.248 0:0:0:0:0:ffff:8e25:14f8
142.37.20.249 0:0:0:0:0:ffff:8e25:14f9
142.37.20.250 0:0:0:0:0:ffff:8e25:14fa
142.37.20.251 0:0:0:0:0:ffff:8e25:14fb
142.37.20.252 0:0:0:0:0:ffff:8e25:14fc
142.37.20.253 0:0:0:0:0:ffff:8e25:14fd
142.37.20.254 0:0:0:0:0:ffff:8e25:14fe
142.37.20.255 0:0:0:0:0:ffff:8e25:14ff


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.