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
91.56.20.1 0:0:0:0:0:ffff:5b38:1401
91.56.20.2 0:0:0:0:0:ffff:5b38:1402
91.56.20.3 0:0:0:0:0:ffff:5b38:1403
91.56.20.4 0:0:0:0:0:ffff:5b38:1404
91.56.20.5 0:0:0:0:0:ffff:5b38:1405
91.56.20.6 0:0:0:0:0:ffff:5b38:1406
91.56.20.7 0:0:0:0:0:ffff:5b38:1407
91.56.20.8 0:0:0:0:0:ffff:5b38:1408
91.56.20.9 0:0:0:0:0:ffff:5b38:1409
91.56.20.10 0:0:0:0:0:ffff:5b38:140a
91.56.20.11 0:0:0:0:0:ffff:5b38:140b
91.56.20.12 0:0:0:0:0:ffff:5b38:140c
91.56.20.13 0:0:0:0:0:ffff:5b38:140d
91.56.20.14 0:0:0:0:0:ffff:5b38:140e
91.56.20.15 0:0:0:0:0:ffff:5b38:140f
91.56.20.16 0:0:0:0:0:ffff:5b38:1410
91.56.20.17 0:0:0:0:0:ffff:5b38:1411
91.56.20.18 0:0:0:0:0:ffff:5b38:1412
91.56.20.19 0:0:0:0:0:ffff:5b38:1413
91.56.20.20 0:0:0:0:0:ffff:5b38:1414
91.56.20.21 0:0:0:0:0:ffff:5b38:1415
91.56.20.22 0:0:0:0:0:ffff:5b38:1416
91.56.20.23 0:0:0:0:0:ffff:5b38:1417
91.56.20.24 0:0:0:0:0:ffff:5b38:1418
91.56.20.25 0:0:0:0:0:ffff:5b38:1419
91.56.20.26 0:0:0:0:0:ffff:5b38:141a
91.56.20.27 0:0:0:0:0:ffff:5b38:141b
91.56.20.28 0:0:0:0:0:ffff:5b38:141c
91.56.20.29 0:0:0:0:0:ffff:5b38:141d
91.56.20.30 0:0:0:0:0:ffff:5b38:141e
91.56.20.31 0:0:0:0:0:ffff:5b38:141f
91.56.20.32 0:0:0:0:0:ffff:5b38:1420
91.56.20.33 0:0:0:0:0:ffff:5b38:1421
91.56.20.34 0:0:0:0:0:ffff:5b38:1422
91.56.20.35 0:0:0:0:0:ffff:5b38:1423
91.56.20.36 0:0:0:0:0:ffff:5b38:1424
91.56.20.37 0:0:0:0:0:ffff:5b38:1425
91.56.20.38 0:0:0:0:0:ffff:5b38:1426
91.56.20.39 0:0:0:0:0:ffff:5b38:1427
91.56.20.40 0:0:0:0:0:ffff:5b38:1428
91.56.20.41 0:0:0:0:0:ffff:5b38:1429
91.56.20.42 0:0:0:0:0:ffff:5b38:142a
91.56.20.43 0:0:0:0:0:ffff:5b38:142b
91.56.20.44 0:0:0:0:0:ffff:5b38:142c
91.56.20.45 0:0:0:0:0:ffff:5b38:142d
91.56.20.46 0:0:0:0:0:ffff:5b38:142e
91.56.20.47 0:0:0:0:0:ffff:5b38:142f
91.56.20.48 0:0:0:0:0:ffff:5b38:1430
91.56.20.49 0:0:0:0:0:ffff:5b38:1431
91.56.20.50 0:0:0:0:0:ffff:5b38:1432
91.56.20.51 0:0:0:0:0:ffff:5b38:1433
91.56.20.52 0:0:0:0:0:ffff:5b38:1434
91.56.20.53 0:0:0:0:0:ffff:5b38:1435
91.56.20.54 0:0:0:0:0:ffff:5b38:1436
91.56.20.55 0:0:0:0:0:ffff:5b38:1437
91.56.20.56 0:0:0:0:0:ffff:5b38:1438
91.56.20.57 0:0:0:0:0:ffff:5b38:1439
91.56.20.58 0:0:0:0:0:ffff:5b38:143a
91.56.20.59 0:0:0:0:0:ffff:5b38:143b
91.56.20.60 0:0:0:0:0:ffff:5b38:143c


91.56.20.61 0:0:0:0:0:ffff:5b38:143d
91.56.20.62 0:0:0:0:0:ffff:5b38:143e
91.56.20.63 0:0:0:0:0:ffff:5b38:143f
91.56.20.64 0:0:0:0:0:ffff:5b38:1440
91.56.20.65 0:0:0:0:0:ffff:5b38:1441
91.56.20.66 0:0:0:0:0:ffff:5b38:1442
91.56.20.67 0:0:0:0:0:ffff:5b38:1443
91.56.20.68 0:0:0:0:0:ffff:5b38:1444
91.56.20.69 0:0:0:0:0:ffff:5b38:1445
91.56.20.70 0:0:0:0:0:ffff:5b38:1446
91.56.20.71 0:0:0:0:0:ffff:5b38:1447
91.56.20.72 0:0:0:0:0:ffff:5b38:1448
91.56.20.73 0:0:0:0:0:ffff:5b38:1449
91.56.20.74 0:0:0:0:0:ffff:5b38:144a
91.56.20.75 0:0:0:0:0:ffff:5b38:144b
91.56.20.76 0:0:0:0:0:ffff:5b38:144c
91.56.20.77 0:0:0:0:0:ffff:5b38:144d
91.56.20.78 0:0:0:0:0:ffff:5b38:144e
91.56.20.79 0:0:0:0:0:ffff:5b38:144f
91.56.20.80 0:0:0:0:0:ffff:5b38:1450
91.56.20.81 0:0:0:0:0:ffff:5b38:1451
91.56.20.82 0:0:0:0:0:ffff:5b38:1452
91.56.20.83 0:0:0:0:0:ffff:5b38:1453
91.56.20.84 0:0:0:0:0:ffff:5b38:1454
91.56.20.85 0:0:0:0:0:ffff:5b38:1455
91.56.20.86 0:0:0:0:0:ffff:5b38:1456
91.56.20.87 0:0:0:0:0:ffff:5b38:1457
91.56.20.88 0:0:0:0:0:ffff:5b38:1458
91.56.20.89 0:0:0:0:0:ffff:5b38:1459
91.56.20.90 0:0:0:0:0:ffff:5b38:145a
91.56.20.91 0:0:0:0:0:ffff:5b38:145b
91.56.20.92 0:0:0:0:0:ffff:5b38:145c
91.56.20.93 0:0:0:0:0:ffff:5b38:145d
91.56.20.94 0:0:0:0:0:ffff:5b38:145e
91.56.20.95 0:0:0:0:0:ffff:5b38:145f
91.56.20.96 0:0:0:0:0:ffff:5b38:1460
91.56.20.97 0:0:0:0:0:ffff:5b38:1461
91.56.20.98 0:0:0:0:0:ffff:5b38:1462
91.56.20.99 0:0:0:0:0:ffff:5b38:1463
91.56.20.100 0:0:0:0:0:ffff:5b38:1464
91.56.20.101 0:0:0:0:0:ffff:5b38:1465
91.56.20.102 0:0:0:0:0:ffff:5b38:1466
91.56.20.103 0:0:0:0:0:ffff:5b38:1467
91.56.20.104 0:0:0:0:0:ffff:5b38:1468
91.56.20.105 0:0:0:0:0:ffff:5b38:1469
91.56.20.106 0:0:0:0:0:ffff:5b38:146a
91.56.20.107 0:0:0:0:0:ffff:5b38:146b
91.56.20.108 0:0:0:0:0:ffff:5b38:146c
91.56.20.109 0:0:0:0:0:ffff:5b38:146d
91.56.20.110 0:0:0:0:0:ffff:5b38:146e
91.56.20.111 0:0:0:0:0:ffff:5b38:146f
91.56.20.112 0:0:0:0:0:ffff:5b38:1470
91.56.20.113 0:0:0:0:0:ffff:5b38:1471
91.56.20.114 0:0:0:0:0:ffff:5b38:1472
91.56.20.115 0:0:0:0:0:ffff:5b38:1473
91.56.20.116 0:0:0:0:0:ffff:5b38:1474
91.56.20.117 0:0:0:0:0:ffff:5b38:1475
91.56.20.118 0:0:0:0:0:ffff:5b38:1476
91.56.20.119 0:0:0:0:0:ffff:5b38:1477
91.56.20.120 0:0:0:0:0:ffff:5b38:1478


91.56.20.121 0:0:0:0:0:ffff:5b38:1479
91.56.20.122 0:0:0:0:0:ffff:5b38:147a
91.56.20.123 0:0:0:0:0:ffff:5b38:147b
91.56.20.124 0:0:0:0:0:ffff:5b38:147c
91.56.20.125 0:0:0:0:0:ffff:5b38:147d
91.56.20.126 0:0:0:0:0:ffff:5b38:147e
91.56.20.127 0:0:0:0:0:ffff:5b38:147f
91.56.20.128 0:0:0:0:0:ffff:5b38:1480
91.56.20.129 0:0:0:0:0:ffff:5b38:1481
91.56.20.130 0:0:0:0:0:ffff:5b38:1482
91.56.20.131 0:0:0:0:0:ffff:5b38:1483
91.56.20.132 0:0:0:0:0:ffff:5b38:1484
91.56.20.133 0:0:0:0:0:ffff:5b38:1485
91.56.20.134 0:0:0:0:0:ffff:5b38:1486
91.56.20.135 0:0:0:0:0:ffff:5b38:1487
91.56.20.136 0:0:0:0:0:ffff:5b38:1488
91.56.20.137 0:0:0:0:0:ffff:5b38:1489
91.56.20.138 0:0:0:0:0:ffff:5b38:148a
91.56.20.139 0:0:0:0:0:ffff:5b38:148b
91.56.20.140 0:0:0:0:0:ffff:5b38:148c
91.56.20.141 0:0:0:0:0:ffff:5b38:148d
91.56.20.142 0:0:0:0:0:ffff:5b38:148e
91.56.20.143 0:0:0:0:0:ffff:5b38:148f
91.56.20.144 0:0:0:0:0:ffff:5b38:1490
91.56.20.145 0:0:0:0:0:ffff:5b38:1491
91.56.20.146 0:0:0:0:0:ffff:5b38:1492
91.56.20.147 0:0:0:0:0:ffff:5b38:1493
91.56.20.148 0:0:0:0:0:ffff:5b38:1494
91.56.20.149 0:0:0:0:0:ffff:5b38:1495
91.56.20.150 0:0:0:0:0:ffff:5b38:1496
91.56.20.151 0:0:0:0:0:ffff:5b38:1497
91.56.20.152 0:0:0:0:0:ffff:5b38:1498
91.56.20.153 0:0:0:0:0:ffff:5b38:1499
91.56.20.154 0:0:0:0:0:ffff:5b38:149a
91.56.20.155 0:0:0:0:0:ffff:5b38:149b
91.56.20.156 0:0:0:0:0:ffff:5b38:149c
91.56.20.157 0:0:0:0:0:ffff:5b38:149d
91.56.20.158 0:0:0:0:0:ffff:5b38:149e
91.56.20.159 0:0:0:0:0:ffff:5b38:149f
91.56.20.160 0:0:0:0:0:ffff:5b38:14a0
91.56.20.161 0:0:0:0:0:ffff:5b38:14a1
91.56.20.162 0:0:0:0:0:ffff:5b38:14a2
91.56.20.163 0:0:0:0:0:ffff:5b38:14a3
91.56.20.164 0:0:0:0:0:ffff:5b38:14a4
91.56.20.165 0:0:0:0:0:ffff:5b38:14a5
91.56.20.166 0:0:0:0:0:ffff:5b38:14a6
91.56.20.167 0:0:0:0:0:ffff:5b38:14a7
91.56.20.168 0:0:0:0:0:ffff:5b38:14a8
91.56.20.169 0:0:0:0:0:ffff:5b38:14a9
91.56.20.170 0:0:0:0:0:ffff:5b38:14aa
91.56.20.171 0:0:0:0:0:ffff:5b38:14ab
91.56.20.172 0:0:0:0:0:ffff:5b38:14ac
91.56.20.173 0:0:0:0:0:ffff:5b38:14ad
91.56.20.174 0:0:0:0:0:ffff:5b38:14ae
91.56.20.175 0:0:0:0:0:ffff:5b38:14af
91.56.20.176 0:0:0:0:0:ffff:5b38:14b0
91.56.20.177 0:0:0:0:0:ffff:5b38:14b1
91.56.20.178 0:0:0:0:0:ffff:5b38:14b2
91.56.20.179 0:0:0:0:0:ffff:5b38:14b3
91.56.20.180 0:0:0:0:0:ffff:5b38:14b4


91.56.20.181 0:0:0:0:0:ffff:5b38:14b5
91.56.20.182 0:0:0:0:0:ffff:5b38:14b6
91.56.20.183 0:0:0:0:0:ffff:5b38:14b7
91.56.20.184 0:0:0:0:0:ffff:5b38:14b8
91.56.20.185 0:0:0:0:0:ffff:5b38:14b9
91.56.20.186 0:0:0:0:0:ffff:5b38:14ba
91.56.20.187 0:0:0:0:0:ffff:5b38:14bb
91.56.20.188 0:0:0:0:0:ffff:5b38:14bc
91.56.20.189 0:0:0:0:0:ffff:5b38:14bd
91.56.20.190 0:0:0:0:0:ffff:5b38:14be
91.56.20.191 0:0:0:0:0:ffff:5b38:14bf
91.56.20.192 0:0:0:0:0:ffff:5b38:14c0
91.56.20.193 0:0:0:0:0:ffff:5b38:14c1
91.56.20.194 0:0:0:0:0:ffff:5b38:14c2
91.56.20.195 0:0:0:0:0:ffff:5b38:14c3
91.56.20.196 0:0:0:0:0:ffff:5b38:14c4
91.56.20.197 0:0:0:0:0:ffff:5b38:14c5
91.56.20.198 0:0:0:0:0:ffff:5b38:14c6
91.56.20.199 0:0:0:0:0:ffff:5b38:14c7
91.56.20.200 0:0:0:0:0:ffff:5b38:14c8
91.56.20.201 0:0:0:0:0:ffff:5b38:14c9
91.56.20.202 0:0:0:0:0:ffff:5b38:14ca
91.56.20.203 0:0:0:0:0:ffff:5b38:14cb
91.56.20.204 0:0:0:0:0:ffff:5b38:14cc
91.56.20.205 0:0:0:0:0:ffff:5b38:14cd
91.56.20.206 0:0:0:0:0:ffff:5b38:14ce
91.56.20.207 0:0:0:0:0:ffff:5b38:14cf
91.56.20.208 0:0:0:0:0:ffff:5b38:14d0
91.56.20.209 0:0:0:0:0:ffff:5b38:14d1
91.56.20.210 0:0:0:0:0:ffff:5b38:14d2
91.56.20.211 0:0:0:0:0:ffff:5b38:14d3
91.56.20.212 0:0:0:0:0:ffff:5b38:14d4
91.56.20.213 0:0:0:0:0:ffff:5b38:14d5
91.56.20.214 0:0:0:0:0:ffff:5b38:14d6
91.56.20.215 0:0:0:0:0:ffff:5b38:14d7
91.56.20.216 0:0:0:0:0:ffff:5b38:14d8
91.56.20.217 0:0:0:0:0:ffff:5b38:14d9
91.56.20.218 0:0:0:0:0:ffff:5b38:14da
91.56.20.219 0:0:0:0:0:ffff:5b38:14db
91.56.20.220 0:0:0:0:0:ffff:5b38:14dc
91.56.20.221 0:0:0:0:0:ffff:5b38:14dd
91.56.20.222 0:0:0:0:0:ffff:5b38:14de
91.56.20.223 0:0:0:0:0:ffff:5b38:14df
91.56.20.224 0:0:0:0:0:ffff:5b38:14e0
91.56.20.225 0:0:0:0:0:ffff:5b38:14e1
91.56.20.226 0:0:0:0:0:ffff:5b38:14e2
91.56.20.227 0:0:0:0:0:ffff:5b38:14e3
91.56.20.228 0:0:0:0:0:ffff:5b38:14e4
91.56.20.229 0:0:0:0:0:ffff:5b38:14e5
91.56.20.230 0:0:0:0:0:ffff:5b38:14e6
91.56.20.231 0:0:0:0:0:ffff:5b38:14e7
91.56.20.232 0:0:0:0:0:ffff:5b38:14e8
91.56.20.233 0:0:0:0:0:ffff:5b38:14e9
91.56.20.234 0:0:0:0:0:ffff:5b38:14ea
91.56.20.235 0:0:0:0:0:ffff:5b38:14eb
91.56.20.236 0:0:0:0:0:ffff:5b38:14ec
91.56.20.237 0:0:0:0:0:ffff:5b38:14ed
91.56.20.238 0:0:0:0:0:ffff:5b38:14ee
91.56.20.239 0:0:0:0:0:ffff:5b38:14ef
91.56.20.240 0:0:0:0:0:ffff:5b38:14f0
91.56.20.241 0:0:0:0:0:ffff:5b38:14f1
91.56.20.242 0:0:0:0:0:ffff:5b38:14f2
91.56.20.243 0:0:0:0:0:ffff:5b38:14f3
91.56.20.244 0:0:0:0:0:ffff:5b38:14f4
91.56.20.245 0:0:0:0:0:ffff:5b38:14f5
91.56.20.246 0:0:0:0:0:ffff:5b38:14f6
91.56.20.247 0:0:0:0:0:ffff:5b38:14f7
91.56.20.248 0:0:0:0:0:ffff:5b38:14f8
91.56.20.249 0:0:0:0:0:ffff:5b38:14f9
91.56.20.250 0:0:0:0:0:ffff:5b38:14fa
91.56.20.251 0:0:0:0:0:ffff:5b38:14fb
91.56.20.252 0:0:0:0:0:ffff:5b38:14fc
91.56.20.253 0:0:0:0:0:ffff:5b38:14fd
91.56.20.254 0:0:0:0:0:ffff:5b38:14fe
91.56.20.255 0:0:0:0:0:ffff:5b38:14ff


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.