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
123.215.20.1 0:0:0:0:0:ffff:7bd7:1401
123.215.20.2 0:0:0:0:0:ffff:7bd7:1402
123.215.20.3 0:0:0:0:0:ffff:7bd7:1403
123.215.20.4 0:0:0:0:0:ffff:7bd7:1404
123.215.20.5 0:0:0:0:0:ffff:7bd7:1405
123.215.20.6 0:0:0:0:0:ffff:7bd7:1406
123.215.20.7 0:0:0:0:0:ffff:7bd7:1407
123.215.20.8 0:0:0:0:0:ffff:7bd7:1408
123.215.20.9 0:0:0:0:0:ffff:7bd7:1409
123.215.20.10 0:0:0:0:0:ffff:7bd7:140a
123.215.20.11 0:0:0:0:0:ffff:7bd7:140b
123.215.20.12 0:0:0:0:0:ffff:7bd7:140c
123.215.20.13 0:0:0:0:0:ffff:7bd7:140d
123.215.20.14 0:0:0:0:0:ffff:7bd7:140e
123.215.20.15 0:0:0:0:0:ffff:7bd7:140f
123.215.20.16 0:0:0:0:0:ffff:7bd7:1410
123.215.20.17 0:0:0:0:0:ffff:7bd7:1411
123.215.20.18 0:0:0:0:0:ffff:7bd7:1412
123.215.20.19 0:0:0:0:0:ffff:7bd7:1413
123.215.20.20 0:0:0:0:0:ffff:7bd7:1414
123.215.20.21 0:0:0:0:0:ffff:7bd7:1415
123.215.20.22 0:0:0:0:0:ffff:7bd7:1416
123.215.20.23 0:0:0:0:0:ffff:7bd7:1417
123.215.20.24 0:0:0:0:0:ffff:7bd7:1418
123.215.20.25 0:0:0:0:0:ffff:7bd7:1419
123.215.20.26 0:0:0:0:0:ffff:7bd7:141a
123.215.20.27 0:0:0:0:0:ffff:7bd7:141b
123.215.20.28 0:0:0:0:0:ffff:7bd7:141c
123.215.20.29 0:0:0:0:0:ffff:7bd7:141d
123.215.20.30 0:0:0:0:0:ffff:7bd7:141e
123.215.20.31 0:0:0:0:0:ffff:7bd7:141f
123.215.20.32 0:0:0:0:0:ffff:7bd7:1420
123.215.20.33 0:0:0:0:0:ffff:7bd7:1421
123.215.20.34 0:0:0:0:0:ffff:7bd7:1422
123.215.20.35 0:0:0:0:0:ffff:7bd7:1423
123.215.20.36 0:0:0:0:0:ffff:7bd7:1424
123.215.20.37 0:0:0:0:0:ffff:7bd7:1425
123.215.20.38 0:0:0:0:0:ffff:7bd7:1426
123.215.20.39 0:0:0:0:0:ffff:7bd7:1427
123.215.20.40 0:0:0:0:0:ffff:7bd7:1428
123.215.20.41 0:0:0:0:0:ffff:7bd7:1429
123.215.20.42 0:0:0:0:0:ffff:7bd7:142a
123.215.20.43 0:0:0:0:0:ffff:7bd7:142b
123.215.20.44 0:0:0:0:0:ffff:7bd7:142c
123.215.20.45 0:0:0:0:0:ffff:7bd7:142d
123.215.20.46 0:0:0:0:0:ffff:7bd7:142e
123.215.20.47 0:0:0:0:0:ffff:7bd7:142f
123.215.20.48 0:0:0:0:0:ffff:7bd7:1430
123.215.20.49 0:0:0:0:0:ffff:7bd7:1431
123.215.20.50 0:0:0:0:0:ffff:7bd7:1432
123.215.20.51 0:0:0:0:0:ffff:7bd7:1433
123.215.20.52 0:0:0:0:0:ffff:7bd7:1434
123.215.20.53 0:0:0:0:0:ffff:7bd7:1435
123.215.20.54 0:0:0:0:0:ffff:7bd7:1436
123.215.20.55 0:0:0:0:0:ffff:7bd7:1437
123.215.20.56 0:0:0:0:0:ffff:7bd7:1438
123.215.20.57 0:0:0:0:0:ffff:7bd7:1439
123.215.20.58 0:0:0:0:0:ffff:7bd7:143a
123.215.20.59 0:0:0:0:0:ffff:7bd7:143b
123.215.20.60 0:0:0:0:0:ffff:7bd7:143c


123.215.20.61 0:0:0:0:0:ffff:7bd7:143d
123.215.20.62 0:0:0:0:0:ffff:7bd7:143e
123.215.20.63 0:0:0:0:0:ffff:7bd7:143f
123.215.20.64 0:0:0:0:0:ffff:7bd7:1440
123.215.20.65 0:0:0:0:0:ffff:7bd7:1441
123.215.20.66 0:0:0:0:0:ffff:7bd7:1442
123.215.20.67 0:0:0:0:0:ffff:7bd7:1443
123.215.20.68 0:0:0:0:0:ffff:7bd7:1444
123.215.20.69 0:0:0:0:0:ffff:7bd7:1445
123.215.20.70 0:0:0:0:0:ffff:7bd7:1446
123.215.20.71 0:0:0:0:0:ffff:7bd7:1447
123.215.20.72 0:0:0:0:0:ffff:7bd7:1448
123.215.20.73 0:0:0:0:0:ffff:7bd7:1449
123.215.20.74 0:0:0:0:0:ffff:7bd7:144a
123.215.20.75 0:0:0:0:0:ffff:7bd7:144b
123.215.20.76 0:0:0:0:0:ffff:7bd7:144c
123.215.20.77 0:0:0:0:0:ffff:7bd7:144d
123.215.20.78 0:0:0:0:0:ffff:7bd7:144e
123.215.20.79 0:0:0:0:0:ffff:7bd7:144f
123.215.20.80 0:0:0:0:0:ffff:7bd7:1450
123.215.20.81 0:0:0:0:0:ffff:7bd7:1451
123.215.20.82 0:0:0:0:0:ffff:7bd7:1452
123.215.20.83 0:0:0:0:0:ffff:7bd7:1453
123.215.20.84 0:0:0:0:0:ffff:7bd7:1454
123.215.20.85 0:0:0:0:0:ffff:7bd7:1455
123.215.20.86 0:0:0:0:0:ffff:7bd7:1456
123.215.20.87 0:0:0:0:0:ffff:7bd7:1457
123.215.20.88 0:0:0:0:0:ffff:7bd7:1458
123.215.20.89 0:0:0:0:0:ffff:7bd7:1459
123.215.20.90 0:0:0:0:0:ffff:7bd7:145a
123.215.20.91 0:0:0:0:0:ffff:7bd7:145b
123.215.20.92 0:0:0:0:0:ffff:7bd7:145c
123.215.20.93 0:0:0:0:0:ffff:7bd7:145d
123.215.20.94 0:0:0:0:0:ffff:7bd7:145e
123.215.20.95 0:0:0:0:0:ffff:7bd7:145f
123.215.20.96 0:0:0:0:0:ffff:7bd7:1460
123.215.20.97 0:0:0:0:0:ffff:7bd7:1461
123.215.20.98 0:0:0:0:0:ffff:7bd7:1462
123.215.20.99 0:0:0:0:0:ffff:7bd7:1463
123.215.20.100 0:0:0:0:0:ffff:7bd7:1464
123.215.20.101 0:0:0:0:0:ffff:7bd7:1465
123.215.20.102 0:0:0:0:0:ffff:7bd7:1466
123.215.20.103 0:0:0:0:0:ffff:7bd7:1467
123.215.20.104 0:0:0:0:0:ffff:7bd7:1468
123.215.20.105 0:0:0:0:0:ffff:7bd7:1469
123.215.20.106 0:0:0:0:0:ffff:7bd7:146a
123.215.20.107 0:0:0:0:0:ffff:7bd7:146b
123.215.20.108 0:0:0:0:0:ffff:7bd7:146c
123.215.20.109 0:0:0:0:0:ffff:7bd7:146d
123.215.20.110 0:0:0:0:0:ffff:7bd7:146e
123.215.20.111 0:0:0:0:0:ffff:7bd7:146f
123.215.20.112 0:0:0:0:0:ffff:7bd7:1470
123.215.20.113 0:0:0:0:0:ffff:7bd7:1471
123.215.20.114 0:0:0:0:0:ffff:7bd7:1472
123.215.20.115 0:0:0:0:0:ffff:7bd7:1473
123.215.20.116 0:0:0:0:0:ffff:7bd7:1474
123.215.20.117 0:0:0:0:0:ffff:7bd7:1475
123.215.20.118 0:0:0:0:0:ffff:7bd7:1476
123.215.20.119 0:0:0:0:0:ffff:7bd7:1477
123.215.20.120 0:0:0:0:0:ffff:7bd7:1478


123.215.20.121 0:0:0:0:0:ffff:7bd7:1479
123.215.20.122 0:0:0:0:0:ffff:7bd7:147a
123.215.20.123 0:0:0:0:0:ffff:7bd7:147b
123.215.20.124 0:0:0:0:0:ffff:7bd7:147c
123.215.20.125 0:0:0:0:0:ffff:7bd7:147d
123.215.20.126 0:0:0:0:0:ffff:7bd7:147e
123.215.20.127 0:0:0:0:0:ffff:7bd7:147f
123.215.20.128 0:0:0:0:0:ffff:7bd7:1480
123.215.20.129 0:0:0:0:0:ffff:7bd7:1481
123.215.20.130 0:0:0:0:0:ffff:7bd7:1482
123.215.20.131 0:0:0:0:0:ffff:7bd7:1483
123.215.20.132 0:0:0:0:0:ffff:7bd7:1484
123.215.20.133 0:0:0:0:0:ffff:7bd7:1485
123.215.20.134 0:0:0:0:0:ffff:7bd7:1486
123.215.20.135 0:0:0:0:0:ffff:7bd7:1487
123.215.20.136 0:0:0:0:0:ffff:7bd7:1488
123.215.20.137 0:0:0:0:0:ffff:7bd7:1489
123.215.20.138 0:0:0:0:0:ffff:7bd7:148a
123.215.20.139 0:0:0:0:0:ffff:7bd7:148b
123.215.20.140 0:0:0:0:0:ffff:7bd7:148c
123.215.20.141 0:0:0:0:0:ffff:7bd7:148d
123.215.20.142 0:0:0:0:0:ffff:7bd7:148e
123.215.20.143 0:0:0:0:0:ffff:7bd7:148f
123.215.20.144 0:0:0:0:0:ffff:7bd7:1490
123.215.20.145 0:0:0:0:0:ffff:7bd7:1491
123.215.20.146 0:0:0:0:0:ffff:7bd7:1492
123.215.20.147 0:0:0:0:0:ffff:7bd7:1493
123.215.20.148 0:0:0:0:0:ffff:7bd7:1494
123.215.20.149 0:0:0:0:0:ffff:7bd7:1495
123.215.20.150 0:0:0:0:0:ffff:7bd7:1496
123.215.20.151 0:0:0:0:0:ffff:7bd7:1497
123.215.20.152 0:0:0:0:0:ffff:7bd7:1498
123.215.20.153 0:0:0:0:0:ffff:7bd7:1499
123.215.20.154 0:0:0:0:0:ffff:7bd7:149a
123.215.20.155 0:0:0:0:0:ffff:7bd7:149b
123.215.20.156 0:0:0:0:0:ffff:7bd7:149c
123.215.20.157 0:0:0:0:0:ffff:7bd7:149d
123.215.20.158 0:0:0:0:0:ffff:7bd7:149e
123.215.20.159 0:0:0:0:0:ffff:7bd7:149f
123.215.20.160 0:0:0:0:0:ffff:7bd7:14a0
123.215.20.161 0:0:0:0:0:ffff:7bd7:14a1
123.215.20.162 0:0:0:0:0:ffff:7bd7:14a2
123.215.20.163 0:0:0:0:0:ffff:7bd7:14a3
123.215.20.164 0:0:0:0:0:ffff:7bd7:14a4
123.215.20.165 0:0:0:0:0:ffff:7bd7:14a5
123.215.20.166 0:0:0:0:0:ffff:7bd7:14a6
123.215.20.167 0:0:0:0:0:ffff:7bd7:14a7
123.215.20.168 0:0:0:0:0:ffff:7bd7:14a8
123.215.20.169 0:0:0:0:0:ffff:7bd7:14a9
123.215.20.170 0:0:0:0:0:ffff:7bd7:14aa
123.215.20.171 0:0:0:0:0:ffff:7bd7:14ab
123.215.20.172 0:0:0:0:0:ffff:7bd7:14ac
123.215.20.173 0:0:0:0:0:ffff:7bd7:14ad
123.215.20.174 0:0:0:0:0:ffff:7bd7:14ae
123.215.20.175 0:0:0:0:0:ffff:7bd7:14af
123.215.20.176 0:0:0:0:0:ffff:7bd7:14b0
123.215.20.177 0:0:0:0:0:ffff:7bd7:14b1
123.215.20.178 0:0:0:0:0:ffff:7bd7:14b2
123.215.20.179 0:0:0:0:0:ffff:7bd7:14b3
123.215.20.180 0:0:0:0:0:ffff:7bd7:14b4


123.215.20.181 0:0:0:0:0:ffff:7bd7:14b5
123.215.20.182 0:0:0:0:0:ffff:7bd7:14b6
123.215.20.183 0:0:0:0:0:ffff:7bd7:14b7
123.215.20.184 0:0:0:0:0:ffff:7bd7:14b8
123.215.20.185 0:0:0:0:0:ffff:7bd7:14b9
123.215.20.186 0:0:0:0:0:ffff:7bd7:14ba
123.215.20.187 0:0:0:0:0:ffff:7bd7:14bb
123.215.20.188 0:0:0:0:0:ffff:7bd7:14bc
123.215.20.189 0:0:0:0:0:ffff:7bd7:14bd
123.215.20.190 0:0:0:0:0:ffff:7bd7:14be
123.215.20.191 0:0:0:0:0:ffff:7bd7:14bf
123.215.20.192 0:0:0:0:0:ffff:7bd7:14c0
123.215.20.193 0:0:0:0:0:ffff:7bd7:14c1
123.215.20.194 0:0:0:0:0:ffff:7bd7:14c2
123.215.20.195 0:0:0:0:0:ffff:7bd7:14c3
123.215.20.196 0:0:0:0:0:ffff:7bd7:14c4
123.215.20.197 0:0:0:0:0:ffff:7bd7:14c5
123.215.20.198 0:0:0:0:0:ffff:7bd7:14c6
123.215.20.199 0:0:0:0:0:ffff:7bd7:14c7
123.215.20.200 0:0:0:0:0:ffff:7bd7:14c8
123.215.20.201 0:0:0:0:0:ffff:7bd7:14c9
123.215.20.202 0:0:0:0:0:ffff:7bd7:14ca
123.215.20.203 0:0:0:0:0:ffff:7bd7:14cb
123.215.20.204 0:0:0:0:0:ffff:7bd7:14cc
123.215.20.205 0:0:0:0:0:ffff:7bd7:14cd
123.215.20.206 0:0:0:0:0:ffff:7bd7:14ce
123.215.20.207 0:0:0:0:0:ffff:7bd7:14cf
123.215.20.208 0:0:0:0:0:ffff:7bd7:14d0
123.215.20.209 0:0:0:0:0:ffff:7bd7:14d1
123.215.20.210 0:0:0:0:0:ffff:7bd7:14d2
123.215.20.211 0:0:0:0:0:ffff:7bd7:14d3
123.215.20.212 0:0:0:0:0:ffff:7bd7:14d4
123.215.20.213 0:0:0:0:0:ffff:7bd7:14d5
123.215.20.214 0:0:0:0:0:ffff:7bd7:14d6
123.215.20.215 0:0:0:0:0:ffff:7bd7:14d7
123.215.20.216 0:0:0:0:0:ffff:7bd7:14d8
123.215.20.217 0:0:0:0:0:ffff:7bd7:14d9
123.215.20.218 0:0:0:0:0:ffff:7bd7:14da
123.215.20.219 0:0:0:0:0:ffff:7bd7:14db
123.215.20.220 0:0:0:0:0:ffff:7bd7:14dc
123.215.20.221 0:0:0:0:0:ffff:7bd7:14dd
123.215.20.222 0:0:0:0:0:ffff:7bd7:14de
123.215.20.223 0:0:0:0:0:ffff:7bd7:14df
123.215.20.224 0:0:0:0:0:ffff:7bd7:14e0
123.215.20.225 0:0:0:0:0:ffff:7bd7:14e1
123.215.20.226 0:0:0:0:0:ffff:7bd7:14e2
123.215.20.227 0:0:0:0:0:ffff:7bd7:14e3
123.215.20.228 0:0:0:0:0:ffff:7bd7:14e4
123.215.20.229 0:0:0:0:0:ffff:7bd7:14e5
123.215.20.230 0:0:0:0:0:ffff:7bd7:14e6
123.215.20.231 0:0:0:0:0:ffff:7bd7:14e7
123.215.20.232 0:0:0:0:0:ffff:7bd7:14e8
123.215.20.233 0:0:0:0:0:ffff:7bd7:14e9
123.215.20.234 0:0:0:0:0:ffff:7bd7:14ea
123.215.20.235 0:0:0:0:0:ffff:7bd7:14eb
123.215.20.236 0:0:0:0:0:ffff:7bd7:14ec
123.215.20.237 0:0:0:0:0:ffff:7bd7:14ed
123.215.20.238 0:0:0:0:0:ffff:7bd7:14ee
123.215.20.239 0:0:0:0:0:ffff:7bd7:14ef
123.215.20.240 0:0:0:0:0:ffff:7bd7:14f0
123.215.20.241 0:0:0:0:0:ffff:7bd7:14f1
123.215.20.242 0:0:0:0:0:ffff:7bd7:14f2
123.215.20.243 0:0:0:0:0:ffff:7bd7:14f3
123.215.20.244 0:0:0:0:0:ffff:7bd7:14f4
123.215.20.245 0:0:0:0:0:ffff:7bd7:14f5
123.215.20.246 0:0:0:0:0:ffff:7bd7:14f6
123.215.20.247 0:0:0:0:0:ffff:7bd7:14f7
123.215.20.248 0:0:0:0:0:ffff:7bd7:14f8
123.215.20.249 0:0:0:0:0:ffff:7bd7:14f9
123.215.20.250 0:0:0:0:0:ffff:7bd7:14fa
123.215.20.251 0:0:0:0:0:ffff:7bd7:14fb
123.215.20.252 0:0:0:0:0:ffff:7bd7:14fc
123.215.20.253 0:0:0:0:0:ffff:7bd7:14fd
123.215.20.254 0:0:0:0:0:ffff:7bd7:14fe
123.215.20.255 0:0:0:0:0:ffff:7bd7:14ff


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.