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
71.2.19.1 0:0:0:0:0:ffff:4702:1301
71.2.19.2 0:0:0:0:0:ffff:4702:1302
71.2.19.3 0:0:0:0:0:ffff:4702:1303
71.2.19.4 0:0:0:0:0:ffff:4702:1304
71.2.19.5 0:0:0:0:0:ffff:4702:1305
71.2.19.6 0:0:0:0:0:ffff:4702:1306
71.2.19.7 0:0:0:0:0:ffff:4702:1307
71.2.19.8 0:0:0:0:0:ffff:4702:1308
71.2.19.9 0:0:0:0:0:ffff:4702:1309
71.2.19.10 0:0:0:0:0:ffff:4702:130a
71.2.19.11 0:0:0:0:0:ffff:4702:130b
71.2.19.12 0:0:0:0:0:ffff:4702:130c
71.2.19.13 0:0:0:0:0:ffff:4702:130d
71.2.19.14 0:0:0:0:0:ffff:4702:130e
71.2.19.15 0:0:0:0:0:ffff:4702:130f
71.2.19.16 0:0:0:0:0:ffff:4702:1310
71.2.19.17 0:0:0:0:0:ffff:4702:1311
71.2.19.18 0:0:0:0:0:ffff:4702:1312
71.2.19.19 0:0:0:0:0:ffff:4702:1313
71.2.19.20 0:0:0:0:0:ffff:4702:1314
71.2.19.21 0:0:0:0:0:ffff:4702:1315
71.2.19.22 0:0:0:0:0:ffff:4702:1316
71.2.19.23 0:0:0:0:0:ffff:4702:1317
71.2.19.24 0:0:0:0:0:ffff:4702:1318
71.2.19.25 0:0:0:0:0:ffff:4702:1319
71.2.19.26 0:0:0:0:0:ffff:4702:131a
71.2.19.27 0:0:0:0:0:ffff:4702:131b
71.2.19.28 0:0:0:0:0:ffff:4702:131c
71.2.19.29 0:0:0:0:0:ffff:4702:131d
71.2.19.30 0:0:0:0:0:ffff:4702:131e
71.2.19.31 0:0:0:0:0:ffff:4702:131f
71.2.19.32 0:0:0:0:0:ffff:4702:1320
71.2.19.33 0:0:0:0:0:ffff:4702:1321
71.2.19.34 0:0:0:0:0:ffff:4702:1322
71.2.19.35 0:0:0:0:0:ffff:4702:1323
71.2.19.36 0:0:0:0:0:ffff:4702:1324
71.2.19.37 0:0:0:0:0:ffff:4702:1325
71.2.19.38 0:0:0:0:0:ffff:4702:1326
71.2.19.39 0:0:0:0:0:ffff:4702:1327
71.2.19.40 0:0:0:0:0:ffff:4702:1328
71.2.19.41 0:0:0:0:0:ffff:4702:1329
71.2.19.42 0:0:0:0:0:ffff:4702:132a
71.2.19.43 0:0:0:0:0:ffff:4702:132b
71.2.19.44 0:0:0:0:0:ffff:4702:132c
71.2.19.45 0:0:0:0:0:ffff:4702:132d
71.2.19.46 0:0:0:0:0:ffff:4702:132e
71.2.19.47 0:0:0:0:0:ffff:4702:132f
71.2.19.48 0:0:0:0:0:ffff:4702:1330
71.2.19.49 0:0:0:0:0:ffff:4702:1331
71.2.19.50 0:0:0:0:0:ffff:4702:1332
71.2.19.51 0:0:0:0:0:ffff:4702:1333
71.2.19.52 0:0:0:0:0:ffff:4702:1334
71.2.19.53 0:0:0:0:0:ffff:4702:1335
71.2.19.54 0:0:0:0:0:ffff:4702:1336
71.2.19.55 0:0:0:0:0:ffff:4702:1337
71.2.19.56 0:0:0:0:0:ffff:4702:1338
71.2.19.57 0:0:0:0:0:ffff:4702:1339
71.2.19.58 0:0:0:0:0:ffff:4702:133a
71.2.19.59 0:0:0:0:0:ffff:4702:133b
71.2.19.60 0:0:0:0:0:ffff:4702:133c


71.2.19.61 0:0:0:0:0:ffff:4702:133d
71.2.19.62 0:0:0:0:0:ffff:4702:133e
71.2.19.63 0:0:0:0:0:ffff:4702:133f
71.2.19.64 0:0:0:0:0:ffff:4702:1340
71.2.19.65 0:0:0:0:0:ffff:4702:1341
71.2.19.66 0:0:0:0:0:ffff:4702:1342
71.2.19.67 0:0:0:0:0:ffff:4702:1343
71.2.19.68 0:0:0:0:0:ffff:4702:1344
71.2.19.69 0:0:0:0:0:ffff:4702:1345
71.2.19.70 0:0:0:0:0:ffff:4702:1346
71.2.19.71 0:0:0:0:0:ffff:4702:1347
71.2.19.72 0:0:0:0:0:ffff:4702:1348
71.2.19.73 0:0:0:0:0:ffff:4702:1349
71.2.19.74 0:0:0:0:0:ffff:4702:134a
71.2.19.75 0:0:0:0:0:ffff:4702:134b
71.2.19.76 0:0:0:0:0:ffff:4702:134c
71.2.19.77 0:0:0:0:0:ffff:4702:134d
71.2.19.78 0:0:0:0:0:ffff:4702:134e
71.2.19.79 0:0:0:0:0:ffff:4702:134f
71.2.19.80 0:0:0:0:0:ffff:4702:1350
71.2.19.81 0:0:0:0:0:ffff:4702:1351
71.2.19.82 0:0:0:0:0:ffff:4702:1352
71.2.19.83 0:0:0:0:0:ffff:4702:1353
71.2.19.84 0:0:0:0:0:ffff:4702:1354
71.2.19.85 0:0:0:0:0:ffff:4702:1355
71.2.19.86 0:0:0:0:0:ffff:4702:1356
71.2.19.87 0:0:0:0:0:ffff:4702:1357
71.2.19.88 0:0:0:0:0:ffff:4702:1358
71.2.19.89 0:0:0:0:0:ffff:4702:1359
71.2.19.90 0:0:0:0:0:ffff:4702:135a
71.2.19.91 0:0:0:0:0:ffff:4702:135b
71.2.19.92 0:0:0:0:0:ffff:4702:135c
71.2.19.93 0:0:0:0:0:ffff:4702:135d
71.2.19.94 0:0:0:0:0:ffff:4702:135e
71.2.19.95 0:0:0:0:0:ffff:4702:135f
71.2.19.96 0:0:0:0:0:ffff:4702:1360
71.2.19.97 0:0:0:0:0:ffff:4702:1361
71.2.19.98 0:0:0:0:0:ffff:4702:1362
71.2.19.99 0:0:0:0:0:ffff:4702:1363
71.2.19.100 0:0:0:0:0:ffff:4702:1364
71.2.19.101 0:0:0:0:0:ffff:4702:1365
71.2.19.102 0:0:0:0:0:ffff:4702:1366
71.2.19.103 0:0:0:0:0:ffff:4702:1367
71.2.19.104 0:0:0:0:0:ffff:4702:1368
71.2.19.105 0:0:0:0:0:ffff:4702:1369
71.2.19.106 0:0:0:0:0:ffff:4702:136a
71.2.19.107 0:0:0:0:0:ffff:4702:136b
71.2.19.108 0:0:0:0:0:ffff:4702:136c
71.2.19.109 0:0:0:0:0:ffff:4702:136d
71.2.19.110 0:0:0:0:0:ffff:4702:136e
71.2.19.111 0:0:0:0:0:ffff:4702:136f
71.2.19.112 0:0:0:0:0:ffff:4702:1370
71.2.19.113 0:0:0:0:0:ffff:4702:1371
71.2.19.114 0:0:0:0:0:ffff:4702:1372
71.2.19.115 0:0:0:0:0:ffff:4702:1373
71.2.19.116 0:0:0:0:0:ffff:4702:1374
71.2.19.117 0:0:0:0:0:ffff:4702:1375
71.2.19.118 0:0:0:0:0:ffff:4702:1376
71.2.19.119 0:0:0:0:0:ffff:4702:1377
71.2.19.120 0:0:0:0:0:ffff:4702:1378


71.2.19.121 0:0:0:0:0:ffff:4702:1379
71.2.19.122 0:0:0:0:0:ffff:4702:137a
71.2.19.123 0:0:0:0:0:ffff:4702:137b
71.2.19.124 0:0:0:0:0:ffff:4702:137c
71.2.19.125 0:0:0:0:0:ffff:4702:137d
71.2.19.126 0:0:0:0:0:ffff:4702:137e
71.2.19.127 0:0:0:0:0:ffff:4702:137f
71.2.19.128 0:0:0:0:0:ffff:4702:1380
71.2.19.129 0:0:0:0:0:ffff:4702:1381
71.2.19.130 0:0:0:0:0:ffff:4702:1382
71.2.19.131 0:0:0:0:0:ffff:4702:1383
71.2.19.132 0:0:0:0:0:ffff:4702:1384
71.2.19.133 0:0:0:0:0:ffff:4702:1385
71.2.19.134 0:0:0:0:0:ffff:4702:1386
71.2.19.135 0:0:0:0:0:ffff:4702:1387
71.2.19.136 0:0:0:0:0:ffff:4702:1388
71.2.19.137 0:0:0:0:0:ffff:4702:1389
71.2.19.138 0:0:0:0:0:ffff:4702:138a
71.2.19.139 0:0:0:0:0:ffff:4702:138b
71.2.19.140 0:0:0:0:0:ffff:4702:138c
71.2.19.141 0:0:0:0:0:ffff:4702:138d
71.2.19.142 0:0:0:0:0:ffff:4702:138e
71.2.19.143 0:0:0:0:0:ffff:4702:138f
71.2.19.144 0:0:0:0:0:ffff:4702:1390
71.2.19.145 0:0:0:0:0:ffff:4702:1391
71.2.19.146 0:0:0:0:0:ffff:4702:1392
71.2.19.147 0:0:0:0:0:ffff:4702:1393
71.2.19.148 0:0:0:0:0:ffff:4702:1394
71.2.19.149 0:0:0:0:0:ffff:4702:1395
71.2.19.150 0:0:0:0:0:ffff:4702:1396
71.2.19.151 0:0:0:0:0:ffff:4702:1397
71.2.19.152 0:0:0:0:0:ffff:4702:1398
71.2.19.153 0:0:0:0:0:ffff:4702:1399
71.2.19.154 0:0:0:0:0:ffff:4702:139a
71.2.19.155 0:0:0:0:0:ffff:4702:139b
71.2.19.156 0:0:0:0:0:ffff:4702:139c
71.2.19.157 0:0:0:0:0:ffff:4702:139d
71.2.19.158 0:0:0:0:0:ffff:4702:139e
71.2.19.159 0:0:0:0:0:ffff:4702:139f
71.2.19.160 0:0:0:0:0:ffff:4702:13a0
71.2.19.161 0:0:0:0:0:ffff:4702:13a1
71.2.19.162 0:0:0:0:0:ffff:4702:13a2
71.2.19.163 0:0:0:0:0:ffff:4702:13a3
71.2.19.164 0:0:0:0:0:ffff:4702:13a4
71.2.19.165 0:0:0:0:0:ffff:4702:13a5
71.2.19.166 0:0:0:0:0:ffff:4702:13a6
71.2.19.167 0:0:0:0:0:ffff:4702:13a7
71.2.19.168 0:0:0:0:0:ffff:4702:13a8
71.2.19.169 0:0:0:0:0:ffff:4702:13a9
71.2.19.170 0:0:0:0:0:ffff:4702:13aa
71.2.19.171 0:0:0:0:0:ffff:4702:13ab
71.2.19.172 0:0:0:0:0:ffff:4702:13ac
71.2.19.173 0:0:0:0:0:ffff:4702:13ad
71.2.19.174 0:0:0:0:0:ffff:4702:13ae
71.2.19.175 0:0:0:0:0:ffff:4702:13af
71.2.19.176 0:0:0:0:0:ffff:4702:13b0
71.2.19.177 0:0:0:0:0:ffff:4702:13b1
71.2.19.178 0:0:0:0:0:ffff:4702:13b2
71.2.19.179 0:0:0:0:0:ffff:4702:13b3
71.2.19.180 0:0:0:0:0:ffff:4702:13b4


71.2.19.181 0:0:0:0:0:ffff:4702:13b5
71.2.19.182 0:0:0:0:0:ffff:4702:13b6
71.2.19.183 0:0:0:0:0:ffff:4702:13b7
71.2.19.184 0:0:0:0:0:ffff:4702:13b8
71.2.19.185 0:0:0:0:0:ffff:4702:13b9
71.2.19.186 0:0:0:0:0:ffff:4702:13ba
71.2.19.187 0:0:0:0:0:ffff:4702:13bb
71.2.19.188 0:0:0:0:0:ffff:4702:13bc
71.2.19.189 0:0:0:0:0:ffff:4702:13bd
71.2.19.190 0:0:0:0:0:ffff:4702:13be
71.2.19.191 0:0:0:0:0:ffff:4702:13bf
71.2.19.192 0:0:0:0:0:ffff:4702:13c0
71.2.19.193 0:0:0:0:0:ffff:4702:13c1
71.2.19.194 0:0:0:0:0:ffff:4702:13c2
71.2.19.195 0:0:0:0:0:ffff:4702:13c3
71.2.19.196 0:0:0:0:0:ffff:4702:13c4
71.2.19.197 0:0:0:0:0:ffff:4702:13c5
71.2.19.198 0:0:0:0:0:ffff:4702:13c6
71.2.19.199 0:0:0:0:0:ffff:4702:13c7
71.2.19.200 0:0:0:0:0:ffff:4702:13c8
71.2.19.201 0:0:0:0:0:ffff:4702:13c9
71.2.19.202 0:0:0:0:0:ffff:4702:13ca
71.2.19.203 0:0:0:0:0:ffff:4702:13cb
71.2.19.204 0:0:0:0:0:ffff:4702:13cc
71.2.19.205 0:0:0:0:0:ffff:4702:13cd
71.2.19.206 0:0:0:0:0:ffff:4702:13ce
71.2.19.207 0:0:0:0:0:ffff:4702:13cf
71.2.19.208 0:0:0:0:0:ffff:4702:13d0
71.2.19.209 0:0:0:0:0:ffff:4702:13d1
71.2.19.210 0:0:0:0:0:ffff:4702:13d2
71.2.19.211 0:0:0:0:0:ffff:4702:13d3
71.2.19.212 0:0:0:0:0:ffff:4702:13d4
71.2.19.213 0:0:0:0:0:ffff:4702:13d5
71.2.19.214 0:0:0:0:0:ffff:4702:13d6
71.2.19.215 0:0:0:0:0:ffff:4702:13d7
71.2.19.216 0:0:0:0:0:ffff:4702:13d8
71.2.19.217 0:0:0:0:0:ffff:4702:13d9
71.2.19.218 0:0:0:0:0:ffff:4702:13da
71.2.19.219 0:0:0:0:0:ffff:4702:13db
71.2.19.220 0:0:0:0:0:ffff:4702:13dc
71.2.19.221 0:0:0:0:0:ffff:4702:13dd
71.2.19.222 0:0:0:0:0:ffff:4702:13de
71.2.19.223 0:0:0:0:0:ffff:4702:13df
71.2.19.224 0:0:0:0:0:ffff:4702:13e0
71.2.19.225 0:0:0:0:0:ffff:4702:13e1
71.2.19.226 0:0:0:0:0:ffff:4702:13e2
71.2.19.227 0:0:0:0:0:ffff:4702:13e3
71.2.19.228 0:0:0:0:0:ffff:4702:13e4
71.2.19.229 0:0:0:0:0:ffff:4702:13e5
71.2.19.230 0:0:0:0:0:ffff:4702:13e6
71.2.19.231 0:0:0:0:0:ffff:4702:13e7
71.2.19.232 0:0:0:0:0:ffff:4702:13e8
71.2.19.233 0:0:0:0:0:ffff:4702:13e9
71.2.19.234 0:0:0:0:0:ffff:4702:13ea
71.2.19.235 0:0:0:0:0:ffff:4702:13eb
71.2.19.236 0:0:0:0:0:ffff:4702:13ec
71.2.19.237 0:0:0:0:0:ffff:4702:13ed
71.2.19.238 0:0:0:0:0:ffff:4702:13ee
71.2.19.239 0:0:0:0:0:ffff:4702:13ef
71.2.19.240 0:0:0:0:0:ffff:4702:13f0
71.2.19.241 0:0:0:0:0:ffff:4702:13f1
71.2.19.242 0:0:0:0:0:ffff:4702:13f2
71.2.19.243 0:0:0:0:0:ffff:4702:13f3
71.2.19.244 0:0:0:0:0:ffff:4702:13f4
71.2.19.245 0:0:0:0:0:ffff:4702:13f5
71.2.19.246 0:0:0:0:0:ffff:4702:13f6
71.2.19.247 0:0:0:0:0:ffff:4702:13f7
71.2.19.248 0:0:0:0:0:ffff:4702:13f8
71.2.19.249 0:0:0:0:0:ffff:4702:13f9
71.2.19.250 0:0:0:0:0:ffff:4702:13fa
71.2.19.251 0:0:0:0:0:ffff:4702:13fb
71.2.19.252 0:0:0:0:0:ffff:4702:13fc
71.2.19.253 0:0:0:0:0:ffff:4702:13fd
71.2.19.254 0:0:0:0:0:ffff:4702:13fe
71.2.19.255 0:0:0:0:0:ffff:4702:13ff


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.