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
157.154.19.1 0:0:0:0:0:ffff:9d9a:1301
157.154.19.2 0:0:0:0:0:ffff:9d9a:1302
157.154.19.3 0:0:0:0:0:ffff:9d9a:1303
157.154.19.4 0:0:0:0:0:ffff:9d9a:1304
157.154.19.5 0:0:0:0:0:ffff:9d9a:1305
157.154.19.6 0:0:0:0:0:ffff:9d9a:1306
157.154.19.7 0:0:0:0:0:ffff:9d9a:1307
157.154.19.8 0:0:0:0:0:ffff:9d9a:1308
157.154.19.9 0:0:0:0:0:ffff:9d9a:1309
157.154.19.10 0:0:0:0:0:ffff:9d9a:130a
157.154.19.11 0:0:0:0:0:ffff:9d9a:130b
157.154.19.12 0:0:0:0:0:ffff:9d9a:130c
157.154.19.13 0:0:0:0:0:ffff:9d9a:130d
157.154.19.14 0:0:0:0:0:ffff:9d9a:130e
157.154.19.15 0:0:0:0:0:ffff:9d9a:130f
157.154.19.16 0:0:0:0:0:ffff:9d9a:1310
157.154.19.17 0:0:0:0:0:ffff:9d9a:1311
157.154.19.18 0:0:0:0:0:ffff:9d9a:1312
157.154.19.19 0:0:0:0:0:ffff:9d9a:1313
157.154.19.20 0:0:0:0:0:ffff:9d9a:1314
157.154.19.21 0:0:0:0:0:ffff:9d9a:1315
157.154.19.22 0:0:0:0:0:ffff:9d9a:1316
157.154.19.23 0:0:0:0:0:ffff:9d9a:1317
157.154.19.24 0:0:0:0:0:ffff:9d9a:1318
157.154.19.25 0:0:0:0:0:ffff:9d9a:1319
157.154.19.26 0:0:0:0:0:ffff:9d9a:131a
157.154.19.27 0:0:0:0:0:ffff:9d9a:131b
157.154.19.28 0:0:0:0:0:ffff:9d9a:131c
157.154.19.29 0:0:0:0:0:ffff:9d9a:131d
157.154.19.30 0:0:0:0:0:ffff:9d9a:131e
157.154.19.31 0:0:0:0:0:ffff:9d9a:131f
157.154.19.32 0:0:0:0:0:ffff:9d9a:1320
157.154.19.33 0:0:0:0:0:ffff:9d9a:1321
157.154.19.34 0:0:0:0:0:ffff:9d9a:1322
157.154.19.35 0:0:0:0:0:ffff:9d9a:1323
157.154.19.36 0:0:0:0:0:ffff:9d9a:1324
157.154.19.37 0:0:0:0:0:ffff:9d9a:1325
157.154.19.38 0:0:0:0:0:ffff:9d9a:1326
157.154.19.39 0:0:0:0:0:ffff:9d9a:1327
157.154.19.40 0:0:0:0:0:ffff:9d9a:1328
157.154.19.41 0:0:0:0:0:ffff:9d9a:1329
157.154.19.42 0:0:0:0:0:ffff:9d9a:132a
157.154.19.43 0:0:0:0:0:ffff:9d9a:132b
157.154.19.44 0:0:0:0:0:ffff:9d9a:132c
157.154.19.45 0:0:0:0:0:ffff:9d9a:132d
157.154.19.46 0:0:0:0:0:ffff:9d9a:132e
157.154.19.47 0:0:0:0:0:ffff:9d9a:132f
157.154.19.48 0:0:0:0:0:ffff:9d9a:1330
157.154.19.49 0:0:0:0:0:ffff:9d9a:1331
157.154.19.50 0:0:0:0:0:ffff:9d9a:1332
157.154.19.51 0:0:0:0:0:ffff:9d9a:1333
157.154.19.52 0:0:0:0:0:ffff:9d9a:1334
157.154.19.53 0:0:0:0:0:ffff:9d9a:1335
157.154.19.54 0:0:0:0:0:ffff:9d9a:1336
157.154.19.55 0:0:0:0:0:ffff:9d9a:1337
157.154.19.56 0:0:0:0:0:ffff:9d9a:1338
157.154.19.57 0:0:0:0:0:ffff:9d9a:1339
157.154.19.58 0:0:0:0:0:ffff:9d9a:133a
157.154.19.59 0:0:0:0:0:ffff:9d9a:133b
157.154.19.60 0:0:0:0:0:ffff:9d9a:133c


157.154.19.61 0:0:0:0:0:ffff:9d9a:133d
157.154.19.62 0:0:0:0:0:ffff:9d9a:133e
157.154.19.63 0:0:0:0:0:ffff:9d9a:133f
157.154.19.64 0:0:0:0:0:ffff:9d9a:1340
157.154.19.65 0:0:0:0:0:ffff:9d9a:1341
157.154.19.66 0:0:0:0:0:ffff:9d9a:1342
157.154.19.67 0:0:0:0:0:ffff:9d9a:1343
157.154.19.68 0:0:0:0:0:ffff:9d9a:1344
157.154.19.69 0:0:0:0:0:ffff:9d9a:1345
157.154.19.70 0:0:0:0:0:ffff:9d9a:1346
157.154.19.71 0:0:0:0:0:ffff:9d9a:1347
157.154.19.72 0:0:0:0:0:ffff:9d9a:1348
157.154.19.73 0:0:0:0:0:ffff:9d9a:1349
157.154.19.74 0:0:0:0:0:ffff:9d9a:134a
157.154.19.75 0:0:0:0:0:ffff:9d9a:134b
157.154.19.76 0:0:0:0:0:ffff:9d9a:134c
157.154.19.77 0:0:0:0:0:ffff:9d9a:134d
157.154.19.78 0:0:0:0:0:ffff:9d9a:134e
157.154.19.79 0:0:0:0:0:ffff:9d9a:134f
157.154.19.80 0:0:0:0:0:ffff:9d9a:1350
157.154.19.81 0:0:0:0:0:ffff:9d9a:1351
157.154.19.82 0:0:0:0:0:ffff:9d9a:1352
157.154.19.83 0:0:0:0:0:ffff:9d9a:1353
157.154.19.84 0:0:0:0:0:ffff:9d9a:1354
157.154.19.85 0:0:0:0:0:ffff:9d9a:1355
157.154.19.86 0:0:0:0:0:ffff:9d9a:1356
157.154.19.87 0:0:0:0:0:ffff:9d9a:1357
157.154.19.88 0:0:0:0:0:ffff:9d9a:1358
157.154.19.89 0:0:0:0:0:ffff:9d9a:1359
157.154.19.90 0:0:0:0:0:ffff:9d9a:135a
157.154.19.91 0:0:0:0:0:ffff:9d9a:135b
157.154.19.92 0:0:0:0:0:ffff:9d9a:135c
157.154.19.93 0:0:0:0:0:ffff:9d9a:135d
157.154.19.94 0:0:0:0:0:ffff:9d9a:135e
157.154.19.95 0:0:0:0:0:ffff:9d9a:135f
157.154.19.96 0:0:0:0:0:ffff:9d9a:1360
157.154.19.97 0:0:0:0:0:ffff:9d9a:1361
157.154.19.98 0:0:0:0:0:ffff:9d9a:1362
157.154.19.99 0:0:0:0:0:ffff:9d9a:1363
157.154.19.100 0:0:0:0:0:ffff:9d9a:1364
157.154.19.101 0:0:0:0:0:ffff:9d9a:1365
157.154.19.102 0:0:0:0:0:ffff:9d9a:1366
157.154.19.103 0:0:0:0:0:ffff:9d9a:1367
157.154.19.104 0:0:0:0:0:ffff:9d9a:1368
157.154.19.105 0:0:0:0:0:ffff:9d9a:1369
157.154.19.106 0:0:0:0:0:ffff:9d9a:136a
157.154.19.107 0:0:0:0:0:ffff:9d9a:136b
157.154.19.108 0:0:0:0:0:ffff:9d9a:136c
157.154.19.109 0:0:0:0:0:ffff:9d9a:136d
157.154.19.110 0:0:0:0:0:ffff:9d9a:136e
157.154.19.111 0:0:0:0:0:ffff:9d9a:136f
157.154.19.112 0:0:0:0:0:ffff:9d9a:1370
157.154.19.113 0:0:0:0:0:ffff:9d9a:1371
157.154.19.114 0:0:0:0:0:ffff:9d9a:1372
157.154.19.115 0:0:0:0:0:ffff:9d9a:1373
157.154.19.116 0:0:0:0:0:ffff:9d9a:1374
157.154.19.117 0:0:0:0:0:ffff:9d9a:1375
157.154.19.118 0:0:0:0:0:ffff:9d9a:1376
157.154.19.119 0:0:0:0:0:ffff:9d9a:1377
157.154.19.120 0:0:0:0:0:ffff:9d9a:1378


157.154.19.121 0:0:0:0:0:ffff:9d9a:1379
157.154.19.122 0:0:0:0:0:ffff:9d9a:137a
157.154.19.123 0:0:0:0:0:ffff:9d9a:137b
157.154.19.124 0:0:0:0:0:ffff:9d9a:137c
157.154.19.125 0:0:0:0:0:ffff:9d9a:137d
157.154.19.126 0:0:0:0:0:ffff:9d9a:137e
157.154.19.127 0:0:0:0:0:ffff:9d9a:137f
157.154.19.128 0:0:0:0:0:ffff:9d9a:1380
157.154.19.129 0:0:0:0:0:ffff:9d9a:1381
157.154.19.130 0:0:0:0:0:ffff:9d9a:1382
157.154.19.131 0:0:0:0:0:ffff:9d9a:1383
157.154.19.132 0:0:0:0:0:ffff:9d9a:1384
157.154.19.133 0:0:0:0:0:ffff:9d9a:1385
157.154.19.134 0:0:0:0:0:ffff:9d9a:1386
157.154.19.135 0:0:0:0:0:ffff:9d9a:1387
157.154.19.136 0:0:0:0:0:ffff:9d9a:1388
157.154.19.137 0:0:0:0:0:ffff:9d9a:1389
157.154.19.138 0:0:0:0:0:ffff:9d9a:138a
157.154.19.139 0:0:0:0:0:ffff:9d9a:138b
157.154.19.140 0:0:0:0:0:ffff:9d9a:138c
157.154.19.141 0:0:0:0:0:ffff:9d9a:138d
157.154.19.142 0:0:0:0:0:ffff:9d9a:138e
157.154.19.143 0:0:0:0:0:ffff:9d9a:138f
157.154.19.144 0:0:0:0:0:ffff:9d9a:1390
157.154.19.145 0:0:0:0:0:ffff:9d9a:1391
157.154.19.146 0:0:0:0:0:ffff:9d9a:1392
157.154.19.147 0:0:0:0:0:ffff:9d9a:1393
157.154.19.148 0:0:0:0:0:ffff:9d9a:1394
157.154.19.149 0:0:0:0:0:ffff:9d9a:1395
157.154.19.150 0:0:0:0:0:ffff:9d9a:1396
157.154.19.151 0:0:0:0:0:ffff:9d9a:1397
157.154.19.152 0:0:0:0:0:ffff:9d9a:1398
157.154.19.153 0:0:0:0:0:ffff:9d9a:1399
157.154.19.154 0:0:0:0:0:ffff:9d9a:139a
157.154.19.155 0:0:0:0:0:ffff:9d9a:139b
157.154.19.156 0:0:0:0:0:ffff:9d9a:139c
157.154.19.157 0:0:0:0:0:ffff:9d9a:139d
157.154.19.158 0:0:0:0:0:ffff:9d9a:139e
157.154.19.159 0:0:0:0:0:ffff:9d9a:139f
157.154.19.160 0:0:0:0:0:ffff:9d9a:13a0
157.154.19.161 0:0:0:0:0:ffff:9d9a:13a1
157.154.19.162 0:0:0:0:0:ffff:9d9a:13a2
157.154.19.163 0:0:0:0:0:ffff:9d9a:13a3
157.154.19.164 0:0:0:0:0:ffff:9d9a:13a4
157.154.19.165 0:0:0:0:0:ffff:9d9a:13a5
157.154.19.166 0:0:0:0:0:ffff:9d9a:13a6
157.154.19.167 0:0:0:0:0:ffff:9d9a:13a7
157.154.19.168 0:0:0:0:0:ffff:9d9a:13a8
157.154.19.169 0:0:0:0:0:ffff:9d9a:13a9
157.154.19.170 0:0:0:0:0:ffff:9d9a:13aa
157.154.19.171 0:0:0:0:0:ffff:9d9a:13ab
157.154.19.172 0:0:0:0:0:ffff:9d9a:13ac
157.154.19.173 0:0:0:0:0:ffff:9d9a:13ad
157.154.19.174 0:0:0:0:0:ffff:9d9a:13ae
157.154.19.175 0:0:0:0:0:ffff:9d9a:13af
157.154.19.176 0:0:0:0:0:ffff:9d9a:13b0
157.154.19.177 0:0:0:0:0:ffff:9d9a:13b1
157.154.19.178 0:0:0:0:0:ffff:9d9a:13b2
157.154.19.179 0:0:0:0:0:ffff:9d9a:13b3
157.154.19.180 0:0:0:0:0:ffff:9d9a:13b4


157.154.19.181 0:0:0:0:0:ffff:9d9a:13b5
157.154.19.182 0:0:0:0:0:ffff:9d9a:13b6
157.154.19.183 0:0:0:0:0:ffff:9d9a:13b7
157.154.19.184 0:0:0:0:0:ffff:9d9a:13b8
157.154.19.185 0:0:0:0:0:ffff:9d9a:13b9
157.154.19.186 0:0:0:0:0:ffff:9d9a:13ba
157.154.19.187 0:0:0:0:0:ffff:9d9a:13bb
157.154.19.188 0:0:0:0:0:ffff:9d9a:13bc
157.154.19.189 0:0:0:0:0:ffff:9d9a:13bd
157.154.19.190 0:0:0:0:0:ffff:9d9a:13be
157.154.19.191 0:0:0:0:0:ffff:9d9a:13bf
157.154.19.192 0:0:0:0:0:ffff:9d9a:13c0
157.154.19.193 0:0:0:0:0:ffff:9d9a:13c1
157.154.19.194 0:0:0:0:0:ffff:9d9a:13c2
157.154.19.195 0:0:0:0:0:ffff:9d9a:13c3
157.154.19.196 0:0:0:0:0:ffff:9d9a:13c4
157.154.19.197 0:0:0:0:0:ffff:9d9a:13c5
157.154.19.198 0:0:0:0:0:ffff:9d9a:13c6
157.154.19.199 0:0:0:0:0:ffff:9d9a:13c7
157.154.19.200 0:0:0:0:0:ffff:9d9a:13c8
157.154.19.201 0:0:0:0:0:ffff:9d9a:13c9
157.154.19.202 0:0:0:0:0:ffff:9d9a:13ca
157.154.19.203 0:0:0:0:0:ffff:9d9a:13cb
157.154.19.204 0:0:0:0:0:ffff:9d9a:13cc
157.154.19.205 0:0:0:0:0:ffff:9d9a:13cd
157.154.19.206 0:0:0:0:0:ffff:9d9a:13ce
157.154.19.207 0:0:0:0:0:ffff:9d9a:13cf
157.154.19.208 0:0:0:0:0:ffff:9d9a:13d0
157.154.19.209 0:0:0:0:0:ffff:9d9a:13d1
157.154.19.210 0:0:0:0:0:ffff:9d9a:13d2
157.154.19.211 0:0:0:0:0:ffff:9d9a:13d3
157.154.19.212 0:0:0:0:0:ffff:9d9a:13d4
157.154.19.213 0:0:0:0:0:ffff:9d9a:13d5
157.154.19.214 0:0:0:0:0:ffff:9d9a:13d6
157.154.19.215 0:0:0:0:0:ffff:9d9a:13d7
157.154.19.216 0:0:0:0:0:ffff:9d9a:13d8
157.154.19.217 0:0:0:0:0:ffff:9d9a:13d9
157.154.19.218 0:0:0:0:0:ffff:9d9a:13da
157.154.19.219 0:0:0:0:0:ffff:9d9a:13db
157.154.19.220 0:0:0:0:0:ffff:9d9a:13dc
157.154.19.221 0:0:0:0:0:ffff:9d9a:13dd
157.154.19.222 0:0:0:0:0:ffff:9d9a:13de
157.154.19.223 0:0:0:0:0:ffff:9d9a:13df
157.154.19.224 0:0:0:0:0:ffff:9d9a:13e0
157.154.19.225 0:0:0:0:0:ffff:9d9a:13e1
157.154.19.226 0:0:0:0:0:ffff:9d9a:13e2
157.154.19.227 0:0:0:0:0:ffff:9d9a:13e3
157.154.19.228 0:0:0:0:0:ffff:9d9a:13e4
157.154.19.229 0:0:0:0:0:ffff:9d9a:13e5
157.154.19.230 0:0:0:0:0:ffff:9d9a:13e6
157.154.19.231 0:0:0:0:0:ffff:9d9a:13e7
157.154.19.232 0:0:0:0:0:ffff:9d9a:13e8
157.154.19.233 0:0:0:0:0:ffff:9d9a:13e9
157.154.19.234 0:0:0:0:0:ffff:9d9a:13ea
157.154.19.235 0:0:0:0:0:ffff:9d9a:13eb
157.154.19.236 0:0:0:0:0:ffff:9d9a:13ec
157.154.19.237 0:0:0:0:0:ffff:9d9a:13ed
157.154.19.238 0:0:0:0:0:ffff:9d9a:13ee
157.154.19.239 0:0:0:0:0:ffff:9d9a:13ef
157.154.19.240 0:0:0:0:0:ffff:9d9a:13f0
157.154.19.241 0:0:0:0:0:ffff:9d9a:13f1
157.154.19.242 0:0:0:0:0:ffff:9d9a:13f2
157.154.19.243 0:0:0:0:0:ffff:9d9a:13f3
157.154.19.244 0:0:0:0:0:ffff:9d9a:13f4
157.154.19.245 0:0:0:0:0:ffff:9d9a:13f5
157.154.19.246 0:0:0:0:0:ffff:9d9a:13f6
157.154.19.247 0:0:0:0:0:ffff:9d9a:13f7
157.154.19.248 0:0:0:0:0:ffff:9d9a:13f8
157.154.19.249 0:0:0:0:0:ffff:9d9a:13f9
157.154.19.250 0:0:0:0:0:ffff:9d9a:13fa
157.154.19.251 0:0:0:0:0:ffff:9d9a:13fb
157.154.19.252 0:0:0:0:0:ffff:9d9a:13fc
157.154.19.253 0:0:0:0:0:ffff:9d9a:13fd
157.154.19.254 0:0:0:0:0:ffff:9d9a:13fe
157.154.19.255 0:0:0:0:0:ffff:9d9a: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.