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
145.38.20.1 0:0:0:0:0:ffff:9126:1401
145.38.20.2 0:0:0:0:0:ffff:9126:1402
145.38.20.3 0:0:0:0:0:ffff:9126:1403
145.38.20.4 0:0:0:0:0:ffff:9126:1404
145.38.20.5 0:0:0:0:0:ffff:9126:1405
145.38.20.6 0:0:0:0:0:ffff:9126:1406
145.38.20.7 0:0:0:0:0:ffff:9126:1407
145.38.20.8 0:0:0:0:0:ffff:9126:1408
145.38.20.9 0:0:0:0:0:ffff:9126:1409
145.38.20.10 0:0:0:0:0:ffff:9126:140a
145.38.20.11 0:0:0:0:0:ffff:9126:140b
145.38.20.12 0:0:0:0:0:ffff:9126:140c
145.38.20.13 0:0:0:0:0:ffff:9126:140d
145.38.20.14 0:0:0:0:0:ffff:9126:140e
145.38.20.15 0:0:0:0:0:ffff:9126:140f
145.38.20.16 0:0:0:0:0:ffff:9126:1410
145.38.20.17 0:0:0:0:0:ffff:9126:1411
145.38.20.18 0:0:0:0:0:ffff:9126:1412
145.38.20.19 0:0:0:0:0:ffff:9126:1413
145.38.20.20 0:0:0:0:0:ffff:9126:1414
145.38.20.21 0:0:0:0:0:ffff:9126:1415
145.38.20.22 0:0:0:0:0:ffff:9126:1416
145.38.20.23 0:0:0:0:0:ffff:9126:1417
145.38.20.24 0:0:0:0:0:ffff:9126:1418
145.38.20.25 0:0:0:0:0:ffff:9126:1419
145.38.20.26 0:0:0:0:0:ffff:9126:141a
145.38.20.27 0:0:0:0:0:ffff:9126:141b
145.38.20.28 0:0:0:0:0:ffff:9126:141c
145.38.20.29 0:0:0:0:0:ffff:9126:141d
145.38.20.30 0:0:0:0:0:ffff:9126:141e
145.38.20.31 0:0:0:0:0:ffff:9126:141f
145.38.20.32 0:0:0:0:0:ffff:9126:1420
145.38.20.33 0:0:0:0:0:ffff:9126:1421
145.38.20.34 0:0:0:0:0:ffff:9126:1422
145.38.20.35 0:0:0:0:0:ffff:9126:1423
145.38.20.36 0:0:0:0:0:ffff:9126:1424
145.38.20.37 0:0:0:0:0:ffff:9126:1425
145.38.20.38 0:0:0:0:0:ffff:9126:1426
145.38.20.39 0:0:0:0:0:ffff:9126:1427
145.38.20.40 0:0:0:0:0:ffff:9126:1428
145.38.20.41 0:0:0:0:0:ffff:9126:1429
145.38.20.42 0:0:0:0:0:ffff:9126:142a
145.38.20.43 0:0:0:0:0:ffff:9126:142b
145.38.20.44 0:0:0:0:0:ffff:9126:142c
145.38.20.45 0:0:0:0:0:ffff:9126:142d
145.38.20.46 0:0:0:0:0:ffff:9126:142e
145.38.20.47 0:0:0:0:0:ffff:9126:142f
145.38.20.48 0:0:0:0:0:ffff:9126:1430
145.38.20.49 0:0:0:0:0:ffff:9126:1431
145.38.20.50 0:0:0:0:0:ffff:9126:1432
145.38.20.51 0:0:0:0:0:ffff:9126:1433
145.38.20.52 0:0:0:0:0:ffff:9126:1434
145.38.20.53 0:0:0:0:0:ffff:9126:1435
145.38.20.54 0:0:0:0:0:ffff:9126:1436
145.38.20.55 0:0:0:0:0:ffff:9126:1437
145.38.20.56 0:0:0:0:0:ffff:9126:1438
145.38.20.57 0:0:0:0:0:ffff:9126:1439
145.38.20.58 0:0:0:0:0:ffff:9126:143a
145.38.20.59 0:0:0:0:0:ffff:9126:143b
145.38.20.60 0:0:0:0:0:ffff:9126:143c


145.38.20.61 0:0:0:0:0:ffff:9126:143d
145.38.20.62 0:0:0:0:0:ffff:9126:143e
145.38.20.63 0:0:0:0:0:ffff:9126:143f
145.38.20.64 0:0:0:0:0:ffff:9126:1440
145.38.20.65 0:0:0:0:0:ffff:9126:1441
145.38.20.66 0:0:0:0:0:ffff:9126:1442
145.38.20.67 0:0:0:0:0:ffff:9126:1443
145.38.20.68 0:0:0:0:0:ffff:9126:1444
145.38.20.69 0:0:0:0:0:ffff:9126:1445
145.38.20.70 0:0:0:0:0:ffff:9126:1446
145.38.20.71 0:0:0:0:0:ffff:9126:1447
145.38.20.72 0:0:0:0:0:ffff:9126:1448
145.38.20.73 0:0:0:0:0:ffff:9126:1449
145.38.20.74 0:0:0:0:0:ffff:9126:144a
145.38.20.75 0:0:0:0:0:ffff:9126:144b
145.38.20.76 0:0:0:0:0:ffff:9126:144c
145.38.20.77 0:0:0:0:0:ffff:9126:144d
145.38.20.78 0:0:0:0:0:ffff:9126:144e
145.38.20.79 0:0:0:0:0:ffff:9126:144f
145.38.20.80 0:0:0:0:0:ffff:9126:1450
145.38.20.81 0:0:0:0:0:ffff:9126:1451
145.38.20.82 0:0:0:0:0:ffff:9126:1452
145.38.20.83 0:0:0:0:0:ffff:9126:1453
145.38.20.84 0:0:0:0:0:ffff:9126:1454
145.38.20.85 0:0:0:0:0:ffff:9126:1455
145.38.20.86 0:0:0:0:0:ffff:9126:1456
145.38.20.87 0:0:0:0:0:ffff:9126:1457
145.38.20.88 0:0:0:0:0:ffff:9126:1458
145.38.20.89 0:0:0:0:0:ffff:9126:1459
145.38.20.90 0:0:0:0:0:ffff:9126:145a
145.38.20.91 0:0:0:0:0:ffff:9126:145b
145.38.20.92 0:0:0:0:0:ffff:9126:145c
145.38.20.93 0:0:0:0:0:ffff:9126:145d
145.38.20.94 0:0:0:0:0:ffff:9126:145e
145.38.20.95 0:0:0:0:0:ffff:9126:145f
145.38.20.96 0:0:0:0:0:ffff:9126:1460
145.38.20.97 0:0:0:0:0:ffff:9126:1461
145.38.20.98 0:0:0:0:0:ffff:9126:1462
145.38.20.99 0:0:0:0:0:ffff:9126:1463
145.38.20.100 0:0:0:0:0:ffff:9126:1464
145.38.20.101 0:0:0:0:0:ffff:9126:1465
145.38.20.102 0:0:0:0:0:ffff:9126:1466
145.38.20.103 0:0:0:0:0:ffff:9126:1467
145.38.20.104 0:0:0:0:0:ffff:9126:1468
145.38.20.105 0:0:0:0:0:ffff:9126:1469
145.38.20.106 0:0:0:0:0:ffff:9126:146a
145.38.20.107 0:0:0:0:0:ffff:9126:146b
145.38.20.108 0:0:0:0:0:ffff:9126:146c
145.38.20.109 0:0:0:0:0:ffff:9126:146d
145.38.20.110 0:0:0:0:0:ffff:9126:146e
145.38.20.111 0:0:0:0:0:ffff:9126:146f
145.38.20.112 0:0:0:0:0:ffff:9126:1470
145.38.20.113 0:0:0:0:0:ffff:9126:1471
145.38.20.114 0:0:0:0:0:ffff:9126:1472
145.38.20.115 0:0:0:0:0:ffff:9126:1473
145.38.20.116 0:0:0:0:0:ffff:9126:1474
145.38.20.117 0:0:0:0:0:ffff:9126:1475
145.38.20.118 0:0:0:0:0:ffff:9126:1476
145.38.20.119 0:0:0:0:0:ffff:9126:1477
145.38.20.120 0:0:0:0:0:ffff:9126:1478


145.38.20.121 0:0:0:0:0:ffff:9126:1479
145.38.20.122 0:0:0:0:0:ffff:9126:147a
145.38.20.123 0:0:0:0:0:ffff:9126:147b
145.38.20.124 0:0:0:0:0:ffff:9126:147c
145.38.20.125 0:0:0:0:0:ffff:9126:147d
145.38.20.126 0:0:0:0:0:ffff:9126:147e
145.38.20.127 0:0:0:0:0:ffff:9126:147f
145.38.20.128 0:0:0:0:0:ffff:9126:1480
145.38.20.129 0:0:0:0:0:ffff:9126:1481
145.38.20.130 0:0:0:0:0:ffff:9126:1482
145.38.20.131 0:0:0:0:0:ffff:9126:1483
145.38.20.132 0:0:0:0:0:ffff:9126:1484
145.38.20.133 0:0:0:0:0:ffff:9126:1485
145.38.20.134 0:0:0:0:0:ffff:9126:1486
145.38.20.135 0:0:0:0:0:ffff:9126:1487
145.38.20.136 0:0:0:0:0:ffff:9126:1488
145.38.20.137 0:0:0:0:0:ffff:9126:1489
145.38.20.138 0:0:0:0:0:ffff:9126:148a
145.38.20.139 0:0:0:0:0:ffff:9126:148b
145.38.20.140 0:0:0:0:0:ffff:9126:148c
145.38.20.141 0:0:0:0:0:ffff:9126:148d
145.38.20.142 0:0:0:0:0:ffff:9126:148e
145.38.20.143 0:0:0:0:0:ffff:9126:148f
145.38.20.144 0:0:0:0:0:ffff:9126:1490
145.38.20.145 0:0:0:0:0:ffff:9126:1491
145.38.20.146 0:0:0:0:0:ffff:9126:1492
145.38.20.147 0:0:0:0:0:ffff:9126:1493
145.38.20.148 0:0:0:0:0:ffff:9126:1494
145.38.20.149 0:0:0:0:0:ffff:9126:1495
145.38.20.150 0:0:0:0:0:ffff:9126:1496
145.38.20.151 0:0:0:0:0:ffff:9126:1497
145.38.20.152 0:0:0:0:0:ffff:9126:1498
145.38.20.153 0:0:0:0:0:ffff:9126:1499
145.38.20.154 0:0:0:0:0:ffff:9126:149a
145.38.20.155 0:0:0:0:0:ffff:9126:149b
145.38.20.156 0:0:0:0:0:ffff:9126:149c
145.38.20.157 0:0:0:0:0:ffff:9126:149d
145.38.20.158 0:0:0:0:0:ffff:9126:149e
145.38.20.159 0:0:0:0:0:ffff:9126:149f
145.38.20.160 0:0:0:0:0:ffff:9126:14a0
145.38.20.161 0:0:0:0:0:ffff:9126:14a1
145.38.20.162 0:0:0:0:0:ffff:9126:14a2
145.38.20.163 0:0:0:0:0:ffff:9126:14a3
145.38.20.164 0:0:0:0:0:ffff:9126:14a4
145.38.20.165 0:0:0:0:0:ffff:9126:14a5
145.38.20.166 0:0:0:0:0:ffff:9126:14a6
145.38.20.167 0:0:0:0:0:ffff:9126:14a7
145.38.20.168 0:0:0:0:0:ffff:9126:14a8
145.38.20.169 0:0:0:0:0:ffff:9126:14a9
145.38.20.170 0:0:0:0:0:ffff:9126:14aa
145.38.20.171 0:0:0:0:0:ffff:9126:14ab
145.38.20.172 0:0:0:0:0:ffff:9126:14ac
145.38.20.173 0:0:0:0:0:ffff:9126:14ad
145.38.20.174 0:0:0:0:0:ffff:9126:14ae
145.38.20.175 0:0:0:0:0:ffff:9126:14af
145.38.20.176 0:0:0:0:0:ffff:9126:14b0
145.38.20.177 0:0:0:0:0:ffff:9126:14b1
145.38.20.178 0:0:0:0:0:ffff:9126:14b2
145.38.20.179 0:0:0:0:0:ffff:9126:14b3
145.38.20.180 0:0:0:0:0:ffff:9126:14b4


145.38.20.181 0:0:0:0:0:ffff:9126:14b5
145.38.20.182 0:0:0:0:0:ffff:9126:14b6
145.38.20.183 0:0:0:0:0:ffff:9126:14b7
145.38.20.184 0:0:0:0:0:ffff:9126:14b8
145.38.20.185 0:0:0:0:0:ffff:9126:14b9
145.38.20.186 0:0:0:0:0:ffff:9126:14ba
145.38.20.187 0:0:0:0:0:ffff:9126:14bb
145.38.20.188 0:0:0:0:0:ffff:9126:14bc
145.38.20.189 0:0:0:0:0:ffff:9126:14bd
145.38.20.190 0:0:0:0:0:ffff:9126:14be
145.38.20.191 0:0:0:0:0:ffff:9126:14bf
145.38.20.192 0:0:0:0:0:ffff:9126:14c0
145.38.20.193 0:0:0:0:0:ffff:9126:14c1
145.38.20.194 0:0:0:0:0:ffff:9126:14c2
145.38.20.195 0:0:0:0:0:ffff:9126:14c3
145.38.20.196 0:0:0:0:0:ffff:9126:14c4
145.38.20.197 0:0:0:0:0:ffff:9126:14c5
145.38.20.198 0:0:0:0:0:ffff:9126:14c6
145.38.20.199 0:0:0:0:0:ffff:9126:14c7
145.38.20.200 0:0:0:0:0:ffff:9126:14c8
145.38.20.201 0:0:0:0:0:ffff:9126:14c9
145.38.20.202 0:0:0:0:0:ffff:9126:14ca
145.38.20.203 0:0:0:0:0:ffff:9126:14cb
145.38.20.204 0:0:0:0:0:ffff:9126:14cc
145.38.20.205 0:0:0:0:0:ffff:9126:14cd
145.38.20.206 0:0:0:0:0:ffff:9126:14ce
145.38.20.207 0:0:0:0:0:ffff:9126:14cf
145.38.20.208 0:0:0:0:0:ffff:9126:14d0
145.38.20.209 0:0:0:0:0:ffff:9126:14d1
145.38.20.210 0:0:0:0:0:ffff:9126:14d2
145.38.20.211 0:0:0:0:0:ffff:9126:14d3
145.38.20.212 0:0:0:0:0:ffff:9126:14d4
145.38.20.213 0:0:0:0:0:ffff:9126:14d5
145.38.20.214 0:0:0:0:0:ffff:9126:14d6
145.38.20.215 0:0:0:0:0:ffff:9126:14d7
145.38.20.216 0:0:0:0:0:ffff:9126:14d8
145.38.20.217 0:0:0:0:0:ffff:9126:14d9
145.38.20.218 0:0:0:0:0:ffff:9126:14da
145.38.20.219 0:0:0:0:0:ffff:9126:14db
145.38.20.220 0:0:0:0:0:ffff:9126:14dc
145.38.20.221 0:0:0:0:0:ffff:9126:14dd
145.38.20.222 0:0:0:0:0:ffff:9126:14de
145.38.20.223 0:0:0:0:0:ffff:9126:14df
145.38.20.224 0:0:0:0:0:ffff:9126:14e0
145.38.20.225 0:0:0:0:0:ffff:9126:14e1
145.38.20.226 0:0:0:0:0:ffff:9126:14e2
145.38.20.227 0:0:0:0:0:ffff:9126:14e3
145.38.20.228 0:0:0:0:0:ffff:9126:14e4
145.38.20.229 0:0:0:0:0:ffff:9126:14e5
145.38.20.230 0:0:0:0:0:ffff:9126:14e6
145.38.20.231 0:0:0:0:0:ffff:9126:14e7
145.38.20.232 0:0:0:0:0:ffff:9126:14e8
145.38.20.233 0:0:0:0:0:ffff:9126:14e9
145.38.20.234 0:0:0:0:0:ffff:9126:14ea
145.38.20.235 0:0:0:0:0:ffff:9126:14eb
145.38.20.236 0:0:0:0:0:ffff:9126:14ec
145.38.20.237 0:0:0:0:0:ffff:9126:14ed
145.38.20.238 0:0:0:0:0:ffff:9126:14ee
145.38.20.239 0:0:0:0:0:ffff:9126:14ef
145.38.20.240 0:0:0:0:0:ffff:9126:14f0
145.38.20.241 0:0:0:0:0:ffff:9126:14f1
145.38.20.242 0:0:0:0:0:ffff:9126:14f2
145.38.20.243 0:0:0:0:0:ffff:9126:14f3
145.38.20.244 0:0:0:0:0:ffff:9126:14f4
145.38.20.245 0:0:0:0:0:ffff:9126:14f5
145.38.20.246 0:0:0:0:0:ffff:9126:14f6
145.38.20.247 0:0:0:0:0:ffff:9126:14f7
145.38.20.248 0:0:0:0:0:ffff:9126:14f8
145.38.20.249 0:0:0:0:0:ffff:9126:14f9
145.38.20.250 0:0:0:0:0:ffff:9126:14fa
145.38.20.251 0:0:0:0:0:ffff:9126:14fb
145.38.20.252 0:0:0:0:0:ffff:9126:14fc
145.38.20.253 0:0:0:0:0:ffff:9126:14fd
145.38.20.254 0:0:0:0:0:ffff:9126:14fe
145.38.20.255 0:0:0:0:0:ffff:9126:14ff


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.