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
156.45.20.1 0:0:0:0:0:ffff:9c2d:1401
156.45.20.2 0:0:0:0:0:ffff:9c2d:1402
156.45.20.3 0:0:0:0:0:ffff:9c2d:1403
156.45.20.4 0:0:0:0:0:ffff:9c2d:1404
156.45.20.5 0:0:0:0:0:ffff:9c2d:1405
156.45.20.6 0:0:0:0:0:ffff:9c2d:1406
156.45.20.7 0:0:0:0:0:ffff:9c2d:1407
156.45.20.8 0:0:0:0:0:ffff:9c2d:1408
156.45.20.9 0:0:0:0:0:ffff:9c2d:1409
156.45.20.10 0:0:0:0:0:ffff:9c2d:140a
156.45.20.11 0:0:0:0:0:ffff:9c2d:140b
156.45.20.12 0:0:0:0:0:ffff:9c2d:140c
156.45.20.13 0:0:0:0:0:ffff:9c2d:140d
156.45.20.14 0:0:0:0:0:ffff:9c2d:140e
156.45.20.15 0:0:0:0:0:ffff:9c2d:140f
156.45.20.16 0:0:0:0:0:ffff:9c2d:1410
156.45.20.17 0:0:0:0:0:ffff:9c2d:1411
156.45.20.18 0:0:0:0:0:ffff:9c2d:1412
156.45.20.19 0:0:0:0:0:ffff:9c2d:1413
156.45.20.20 0:0:0:0:0:ffff:9c2d:1414
156.45.20.21 0:0:0:0:0:ffff:9c2d:1415
156.45.20.22 0:0:0:0:0:ffff:9c2d:1416
156.45.20.23 0:0:0:0:0:ffff:9c2d:1417
156.45.20.24 0:0:0:0:0:ffff:9c2d:1418
156.45.20.25 0:0:0:0:0:ffff:9c2d:1419
156.45.20.26 0:0:0:0:0:ffff:9c2d:141a
156.45.20.27 0:0:0:0:0:ffff:9c2d:141b
156.45.20.28 0:0:0:0:0:ffff:9c2d:141c
156.45.20.29 0:0:0:0:0:ffff:9c2d:141d
156.45.20.30 0:0:0:0:0:ffff:9c2d:141e
156.45.20.31 0:0:0:0:0:ffff:9c2d:141f
156.45.20.32 0:0:0:0:0:ffff:9c2d:1420
156.45.20.33 0:0:0:0:0:ffff:9c2d:1421
156.45.20.34 0:0:0:0:0:ffff:9c2d:1422
156.45.20.35 0:0:0:0:0:ffff:9c2d:1423
156.45.20.36 0:0:0:0:0:ffff:9c2d:1424
156.45.20.37 0:0:0:0:0:ffff:9c2d:1425
156.45.20.38 0:0:0:0:0:ffff:9c2d:1426
156.45.20.39 0:0:0:0:0:ffff:9c2d:1427
156.45.20.40 0:0:0:0:0:ffff:9c2d:1428
156.45.20.41 0:0:0:0:0:ffff:9c2d:1429
156.45.20.42 0:0:0:0:0:ffff:9c2d:142a
156.45.20.43 0:0:0:0:0:ffff:9c2d:142b
156.45.20.44 0:0:0:0:0:ffff:9c2d:142c
156.45.20.45 0:0:0:0:0:ffff:9c2d:142d
156.45.20.46 0:0:0:0:0:ffff:9c2d:142e
156.45.20.47 0:0:0:0:0:ffff:9c2d:142f
156.45.20.48 0:0:0:0:0:ffff:9c2d:1430
156.45.20.49 0:0:0:0:0:ffff:9c2d:1431
156.45.20.50 0:0:0:0:0:ffff:9c2d:1432
156.45.20.51 0:0:0:0:0:ffff:9c2d:1433
156.45.20.52 0:0:0:0:0:ffff:9c2d:1434
156.45.20.53 0:0:0:0:0:ffff:9c2d:1435
156.45.20.54 0:0:0:0:0:ffff:9c2d:1436
156.45.20.55 0:0:0:0:0:ffff:9c2d:1437
156.45.20.56 0:0:0:0:0:ffff:9c2d:1438
156.45.20.57 0:0:0:0:0:ffff:9c2d:1439
156.45.20.58 0:0:0:0:0:ffff:9c2d:143a
156.45.20.59 0:0:0:0:0:ffff:9c2d:143b
156.45.20.60 0:0:0:0:0:ffff:9c2d:143c


156.45.20.61 0:0:0:0:0:ffff:9c2d:143d
156.45.20.62 0:0:0:0:0:ffff:9c2d:143e
156.45.20.63 0:0:0:0:0:ffff:9c2d:143f
156.45.20.64 0:0:0:0:0:ffff:9c2d:1440
156.45.20.65 0:0:0:0:0:ffff:9c2d:1441
156.45.20.66 0:0:0:0:0:ffff:9c2d:1442
156.45.20.67 0:0:0:0:0:ffff:9c2d:1443
156.45.20.68 0:0:0:0:0:ffff:9c2d:1444
156.45.20.69 0:0:0:0:0:ffff:9c2d:1445
156.45.20.70 0:0:0:0:0:ffff:9c2d:1446
156.45.20.71 0:0:0:0:0:ffff:9c2d:1447
156.45.20.72 0:0:0:0:0:ffff:9c2d:1448
156.45.20.73 0:0:0:0:0:ffff:9c2d:1449
156.45.20.74 0:0:0:0:0:ffff:9c2d:144a
156.45.20.75 0:0:0:0:0:ffff:9c2d:144b
156.45.20.76 0:0:0:0:0:ffff:9c2d:144c
156.45.20.77 0:0:0:0:0:ffff:9c2d:144d
156.45.20.78 0:0:0:0:0:ffff:9c2d:144e
156.45.20.79 0:0:0:0:0:ffff:9c2d:144f
156.45.20.80 0:0:0:0:0:ffff:9c2d:1450
156.45.20.81 0:0:0:0:0:ffff:9c2d:1451
156.45.20.82 0:0:0:0:0:ffff:9c2d:1452
156.45.20.83 0:0:0:0:0:ffff:9c2d:1453
156.45.20.84 0:0:0:0:0:ffff:9c2d:1454
156.45.20.85 0:0:0:0:0:ffff:9c2d:1455
156.45.20.86 0:0:0:0:0:ffff:9c2d:1456
156.45.20.87 0:0:0:0:0:ffff:9c2d:1457
156.45.20.88 0:0:0:0:0:ffff:9c2d:1458
156.45.20.89 0:0:0:0:0:ffff:9c2d:1459
156.45.20.90 0:0:0:0:0:ffff:9c2d:145a
156.45.20.91 0:0:0:0:0:ffff:9c2d:145b
156.45.20.92 0:0:0:0:0:ffff:9c2d:145c
156.45.20.93 0:0:0:0:0:ffff:9c2d:145d
156.45.20.94 0:0:0:0:0:ffff:9c2d:145e
156.45.20.95 0:0:0:0:0:ffff:9c2d:145f
156.45.20.96 0:0:0:0:0:ffff:9c2d:1460
156.45.20.97 0:0:0:0:0:ffff:9c2d:1461
156.45.20.98 0:0:0:0:0:ffff:9c2d:1462
156.45.20.99 0:0:0:0:0:ffff:9c2d:1463
156.45.20.100 0:0:0:0:0:ffff:9c2d:1464
156.45.20.101 0:0:0:0:0:ffff:9c2d:1465
156.45.20.102 0:0:0:0:0:ffff:9c2d:1466
156.45.20.103 0:0:0:0:0:ffff:9c2d:1467
156.45.20.104 0:0:0:0:0:ffff:9c2d:1468
156.45.20.105 0:0:0:0:0:ffff:9c2d:1469
156.45.20.106 0:0:0:0:0:ffff:9c2d:146a
156.45.20.107 0:0:0:0:0:ffff:9c2d:146b
156.45.20.108 0:0:0:0:0:ffff:9c2d:146c
156.45.20.109 0:0:0:0:0:ffff:9c2d:146d
156.45.20.110 0:0:0:0:0:ffff:9c2d:146e
156.45.20.111 0:0:0:0:0:ffff:9c2d:146f
156.45.20.112 0:0:0:0:0:ffff:9c2d:1470
156.45.20.113 0:0:0:0:0:ffff:9c2d:1471
156.45.20.114 0:0:0:0:0:ffff:9c2d:1472
156.45.20.115 0:0:0:0:0:ffff:9c2d:1473
156.45.20.116 0:0:0:0:0:ffff:9c2d:1474
156.45.20.117 0:0:0:0:0:ffff:9c2d:1475
156.45.20.118 0:0:0:0:0:ffff:9c2d:1476
156.45.20.119 0:0:0:0:0:ffff:9c2d:1477
156.45.20.120 0:0:0:0:0:ffff:9c2d:1478


156.45.20.121 0:0:0:0:0:ffff:9c2d:1479
156.45.20.122 0:0:0:0:0:ffff:9c2d:147a
156.45.20.123 0:0:0:0:0:ffff:9c2d:147b
156.45.20.124 0:0:0:0:0:ffff:9c2d:147c
156.45.20.125 0:0:0:0:0:ffff:9c2d:147d
156.45.20.126 0:0:0:0:0:ffff:9c2d:147e
156.45.20.127 0:0:0:0:0:ffff:9c2d:147f
156.45.20.128 0:0:0:0:0:ffff:9c2d:1480
156.45.20.129 0:0:0:0:0:ffff:9c2d:1481
156.45.20.130 0:0:0:0:0:ffff:9c2d:1482
156.45.20.131 0:0:0:0:0:ffff:9c2d:1483
156.45.20.132 0:0:0:0:0:ffff:9c2d:1484
156.45.20.133 0:0:0:0:0:ffff:9c2d:1485
156.45.20.134 0:0:0:0:0:ffff:9c2d:1486
156.45.20.135 0:0:0:0:0:ffff:9c2d:1487
156.45.20.136 0:0:0:0:0:ffff:9c2d:1488
156.45.20.137 0:0:0:0:0:ffff:9c2d:1489
156.45.20.138 0:0:0:0:0:ffff:9c2d:148a
156.45.20.139 0:0:0:0:0:ffff:9c2d:148b
156.45.20.140 0:0:0:0:0:ffff:9c2d:148c
156.45.20.141 0:0:0:0:0:ffff:9c2d:148d
156.45.20.142 0:0:0:0:0:ffff:9c2d:148e
156.45.20.143 0:0:0:0:0:ffff:9c2d:148f
156.45.20.144 0:0:0:0:0:ffff:9c2d:1490
156.45.20.145 0:0:0:0:0:ffff:9c2d:1491
156.45.20.146 0:0:0:0:0:ffff:9c2d:1492
156.45.20.147 0:0:0:0:0:ffff:9c2d:1493
156.45.20.148 0:0:0:0:0:ffff:9c2d:1494
156.45.20.149 0:0:0:0:0:ffff:9c2d:1495
156.45.20.150 0:0:0:0:0:ffff:9c2d:1496
156.45.20.151 0:0:0:0:0:ffff:9c2d:1497
156.45.20.152 0:0:0:0:0:ffff:9c2d:1498
156.45.20.153 0:0:0:0:0:ffff:9c2d:1499
156.45.20.154 0:0:0:0:0:ffff:9c2d:149a
156.45.20.155 0:0:0:0:0:ffff:9c2d:149b
156.45.20.156 0:0:0:0:0:ffff:9c2d:149c
156.45.20.157 0:0:0:0:0:ffff:9c2d:149d
156.45.20.158 0:0:0:0:0:ffff:9c2d:149e
156.45.20.159 0:0:0:0:0:ffff:9c2d:149f
156.45.20.160 0:0:0:0:0:ffff:9c2d:14a0
156.45.20.161 0:0:0:0:0:ffff:9c2d:14a1
156.45.20.162 0:0:0:0:0:ffff:9c2d:14a2
156.45.20.163 0:0:0:0:0:ffff:9c2d:14a3
156.45.20.164 0:0:0:0:0:ffff:9c2d:14a4
156.45.20.165 0:0:0:0:0:ffff:9c2d:14a5
156.45.20.166 0:0:0:0:0:ffff:9c2d:14a6
156.45.20.167 0:0:0:0:0:ffff:9c2d:14a7
156.45.20.168 0:0:0:0:0:ffff:9c2d:14a8
156.45.20.169 0:0:0:0:0:ffff:9c2d:14a9
156.45.20.170 0:0:0:0:0:ffff:9c2d:14aa
156.45.20.171 0:0:0:0:0:ffff:9c2d:14ab
156.45.20.172 0:0:0:0:0:ffff:9c2d:14ac
156.45.20.173 0:0:0:0:0:ffff:9c2d:14ad
156.45.20.174 0:0:0:0:0:ffff:9c2d:14ae
156.45.20.175 0:0:0:0:0:ffff:9c2d:14af
156.45.20.176 0:0:0:0:0:ffff:9c2d:14b0
156.45.20.177 0:0:0:0:0:ffff:9c2d:14b1
156.45.20.178 0:0:0:0:0:ffff:9c2d:14b2
156.45.20.179 0:0:0:0:0:ffff:9c2d:14b3
156.45.20.180 0:0:0:0:0:ffff:9c2d:14b4


156.45.20.181 0:0:0:0:0:ffff:9c2d:14b5
156.45.20.182 0:0:0:0:0:ffff:9c2d:14b6
156.45.20.183 0:0:0:0:0:ffff:9c2d:14b7
156.45.20.184 0:0:0:0:0:ffff:9c2d:14b8
156.45.20.185 0:0:0:0:0:ffff:9c2d:14b9
156.45.20.186 0:0:0:0:0:ffff:9c2d:14ba
156.45.20.187 0:0:0:0:0:ffff:9c2d:14bb
156.45.20.188 0:0:0:0:0:ffff:9c2d:14bc
156.45.20.189 0:0:0:0:0:ffff:9c2d:14bd
156.45.20.190 0:0:0:0:0:ffff:9c2d:14be
156.45.20.191 0:0:0:0:0:ffff:9c2d:14bf
156.45.20.192 0:0:0:0:0:ffff:9c2d:14c0
156.45.20.193 0:0:0:0:0:ffff:9c2d:14c1
156.45.20.194 0:0:0:0:0:ffff:9c2d:14c2
156.45.20.195 0:0:0:0:0:ffff:9c2d:14c3
156.45.20.196 0:0:0:0:0:ffff:9c2d:14c4
156.45.20.197 0:0:0:0:0:ffff:9c2d:14c5
156.45.20.198 0:0:0:0:0:ffff:9c2d:14c6
156.45.20.199 0:0:0:0:0:ffff:9c2d:14c7
156.45.20.200 0:0:0:0:0:ffff:9c2d:14c8
156.45.20.201 0:0:0:0:0:ffff:9c2d:14c9
156.45.20.202 0:0:0:0:0:ffff:9c2d:14ca
156.45.20.203 0:0:0:0:0:ffff:9c2d:14cb
156.45.20.204 0:0:0:0:0:ffff:9c2d:14cc
156.45.20.205 0:0:0:0:0:ffff:9c2d:14cd
156.45.20.206 0:0:0:0:0:ffff:9c2d:14ce
156.45.20.207 0:0:0:0:0:ffff:9c2d:14cf
156.45.20.208 0:0:0:0:0:ffff:9c2d:14d0
156.45.20.209 0:0:0:0:0:ffff:9c2d:14d1
156.45.20.210 0:0:0:0:0:ffff:9c2d:14d2
156.45.20.211 0:0:0:0:0:ffff:9c2d:14d3
156.45.20.212 0:0:0:0:0:ffff:9c2d:14d4
156.45.20.213 0:0:0:0:0:ffff:9c2d:14d5
156.45.20.214 0:0:0:0:0:ffff:9c2d:14d6
156.45.20.215 0:0:0:0:0:ffff:9c2d:14d7
156.45.20.216 0:0:0:0:0:ffff:9c2d:14d8
156.45.20.217 0:0:0:0:0:ffff:9c2d:14d9
156.45.20.218 0:0:0:0:0:ffff:9c2d:14da
156.45.20.219 0:0:0:0:0:ffff:9c2d:14db
156.45.20.220 0:0:0:0:0:ffff:9c2d:14dc
156.45.20.221 0:0:0:0:0:ffff:9c2d:14dd
156.45.20.222 0:0:0:0:0:ffff:9c2d:14de
156.45.20.223 0:0:0:0:0:ffff:9c2d:14df
156.45.20.224 0:0:0:0:0:ffff:9c2d:14e0
156.45.20.225 0:0:0:0:0:ffff:9c2d:14e1
156.45.20.226 0:0:0:0:0:ffff:9c2d:14e2
156.45.20.227 0:0:0:0:0:ffff:9c2d:14e3
156.45.20.228 0:0:0:0:0:ffff:9c2d:14e4
156.45.20.229 0:0:0:0:0:ffff:9c2d:14e5
156.45.20.230 0:0:0:0:0:ffff:9c2d:14e6
156.45.20.231 0:0:0:0:0:ffff:9c2d:14e7
156.45.20.232 0:0:0:0:0:ffff:9c2d:14e8
156.45.20.233 0:0:0:0:0:ffff:9c2d:14e9
156.45.20.234 0:0:0:0:0:ffff:9c2d:14ea
156.45.20.235 0:0:0:0:0:ffff:9c2d:14eb
156.45.20.236 0:0:0:0:0:ffff:9c2d:14ec
156.45.20.237 0:0:0:0:0:ffff:9c2d:14ed
156.45.20.238 0:0:0:0:0:ffff:9c2d:14ee
156.45.20.239 0:0:0:0:0:ffff:9c2d:14ef
156.45.20.240 0:0:0:0:0:ffff:9c2d:14f0
156.45.20.241 0:0:0:0:0:ffff:9c2d:14f1
156.45.20.242 0:0:0:0:0:ffff:9c2d:14f2
156.45.20.243 0:0:0:0:0:ffff:9c2d:14f3
156.45.20.244 0:0:0:0:0:ffff:9c2d:14f4
156.45.20.245 0:0:0:0:0:ffff:9c2d:14f5
156.45.20.246 0:0:0:0:0:ffff:9c2d:14f6
156.45.20.247 0:0:0:0:0:ffff:9c2d:14f7
156.45.20.248 0:0:0:0:0:ffff:9c2d:14f8
156.45.20.249 0:0:0:0:0:ffff:9c2d:14f9
156.45.20.250 0:0:0:0:0:ffff:9c2d:14fa
156.45.20.251 0:0:0:0:0:ffff:9c2d:14fb
156.45.20.252 0:0:0:0:0:ffff:9c2d:14fc
156.45.20.253 0:0:0:0:0:ffff:9c2d:14fd
156.45.20.254 0:0:0:0:0:ffff:9c2d:14fe
156.45.20.255 0:0:0:0:0:ffff:9c2d: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.