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
72.148.18.1 0:0:0:0:0:ffff:4894:1201
72.148.18.2 0:0:0:0:0:ffff:4894:1202
72.148.18.3 0:0:0:0:0:ffff:4894:1203
72.148.18.4 0:0:0:0:0:ffff:4894:1204
72.148.18.5 0:0:0:0:0:ffff:4894:1205
72.148.18.6 0:0:0:0:0:ffff:4894:1206
72.148.18.7 0:0:0:0:0:ffff:4894:1207
72.148.18.8 0:0:0:0:0:ffff:4894:1208
72.148.18.9 0:0:0:0:0:ffff:4894:1209
72.148.18.10 0:0:0:0:0:ffff:4894:120a
72.148.18.11 0:0:0:0:0:ffff:4894:120b
72.148.18.12 0:0:0:0:0:ffff:4894:120c
72.148.18.13 0:0:0:0:0:ffff:4894:120d
72.148.18.14 0:0:0:0:0:ffff:4894:120e
72.148.18.15 0:0:0:0:0:ffff:4894:120f
72.148.18.16 0:0:0:0:0:ffff:4894:1210
72.148.18.17 0:0:0:0:0:ffff:4894:1211
72.148.18.18 0:0:0:0:0:ffff:4894:1212
72.148.18.19 0:0:0:0:0:ffff:4894:1213
72.148.18.20 0:0:0:0:0:ffff:4894:1214
72.148.18.21 0:0:0:0:0:ffff:4894:1215
72.148.18.22 0:0:0:0:0:ffff:4894:1216
72.148.18.23 0:0:0:0:0:ffff:4894:1217
72.148.18.24 0:0:0:0:0:ffff:4894:1218
72.148.18.25 0:0:0:0:0:ffff:4894:1219
72.148.18.26 0:0:0:0:0:ffff:4894:121a
72.148.18.27 0:0:0:0:0:ffff:4894:121b
72.148.18.28 0:0:0:0:0:ffff:4894:121c
72.148.18.29 0:0:0:0:0:ffff:4894:121d
72.148.18.30 0:0:0:0:0:ffff:4894:121e
72.148.18.31 0:0:0:0:0:ffff:4894:121f
72.148.18.32 0:0:0:0:0:ffff:4894:1220
72.148.18.33 0:0:0:0:0:ffff:4894:1221
72.148.18.34 0:0:0:0:0:ffff:4894:1222
72.148.18.35 0:0:0:0:0:ffff:4894:1223
72.148.18.36 0:0:0:0:0:ffff:4894:1224
72.148.18.37 0:0:0:0:0:ffff:4894:1225
72.148.18.38 0:0:0:0:0:ffff:4894:1226
72.148.18.39 0:0:0:0:0:ffff:4894:1227
72.148.18.40 0:0:0:0:0:ffff:4894:1228
72.148.18.41 0:0:0:0:0:ffff:4894:1229
72.148.18.42 0:0:0:0:0:ffff:4894:122a
72.148.18.43 0:0:0:0:0:ffff:4894:122b
72.148.18.44 0:0:0:0:0:ffff:4894:122c
72.148.18.45 0:0:0:0:0:ffff:4894:122d
72.148.18.46 0:0:0:0:0:ffff:4894:122e
72.148.18.47 0:0:0:0:0:ffff:4894:122f
72.148.18.48 0:0:0:0:0:ffff:4894:1230
72.148.18.49 0:0:0:0:0:ffff:4894:1231
72.148.18.50 0:0:0:0:0:ffff:4894:1232
72.148.18.51 0:0:0:0:0:ffff:4894:1233
72.148.18.52 0:0:0:0:0:ffff:4894:1234
72.148.18.53 0:0:0:0:0:ffff:4894:1235
72.148.18.54 0:0:0:0:0:ffff:4894:1236
72.148.18.55 0:0:0:0:0:ffff:4894:1237
72.148.18.56 0:0:0:0:0:ffff:4894:1238
72.148.18.57 0:0:0:0:0:ffff:4894:1239
72.148.18.58 0:0:0:0:0:ffff:4894:123a
72.148.18.59 0:0:0:0:0:ffff:4894:123b
72.148.18.60 0:0:0:0:0:ffff:4894:123c


72.148.18.61 0:0:0:0:0:ffff:4894:123d
72.148.18.62 0:0:0:0:0:ffff:4894:123e
72.148.18.63 0:0:0:0:0:ffff:4894:123f
72.148.18.64 0:0:0:0:0:ffff:4894:1240
72.148.18.65 0:0:0:0:0:ffff:4894:1241
72.148.18.66 0:0:0:0:0:ffff:4894:1242
72.148.18.67 0:0:0:0:0:ffff:4894:1243
72.148.18.68 0:0:0:0:0:ffff:4894:1244
72.148.18.69 0:0:0:0:0:ffff:4894:1245
72.148.18.70 0:0:0:0:0:ffff:4894:1246
72.148.18.71 0:0:0:0:0:ffff:4894:1247
72.148.18.72 0:0:0:0:0:ffff:4894:1248
72.148.18.73 0:0:0:0:0:ffff:4894:1249
72.148.18.74 0:0:0:0:0:ffff:4894:124a
72.148.18.75 0:0:0:0:0:ffff:4894:124b
72.148.18.76 0:0:0:0:0:ffff:4894:124c
72.148.18.77 0:0:0:0:0:ffff:4894:124d
72.148.18.78 0:0:0:0:0:ffff:4894:124e
72.148.18.79 0:0:0:0:0:ffff:4894:124f
72.148.18.80 0:0:0:0:0:ffff:4894:1250
72.148.18.81 0:0:0:0:0:ffff:4894:1251
72.148.18.82 0:0:0:0:0:ffff:4894:1252
72.148.18.83 0:0:0:0:0:ffff:4894:1253
72.148.18.84 0:0:0:0:0:ffff:4894:1254
72.148.18.85 0:0:0:0:0:ffff:4894:1255
72.148.18.86 0:0:0:0:0:ffff:4894:1256
72.148.18.87 0:0:0:0:0:ffff:4894:1257
72.148.18.88 0:0:0:0:0:ffff:4894:1258
72.148.18.89 0:0:0:0:0:ffff:4894:1259
72.148.18.90 0:0:0:0:0:ffff:4894:125a
72.148.18.91 0:0:0:0:0:ffff:4894:125b
72.148.18.92 0:0:0:0:0:ffff:4894:125c
72.148.18.93 0:0:0:0:0:ffff:4894:125d
72.148.18.94 0:0:0:0:0:ffff:4894:125e
72.148.18.95 0:0:0:0:0:ffff:4894:125f
72.148.18.96 0:0:0:0:0:ffff:4894:1260
72.148.18.97 0:0:0:0:0:ffff:4894:1261
72.148.18.98 0:0:0:0:0:ffff:4894:1262
72.148.18.99 0:0:0:0:0:ffff:4894:1263
72.148.18.100 0:0:0:0:0:ffff:4894:1264
72.148.18.101 0:0:0:0:0:ffff:4894:1265
72.148.18.102 0:0:0:0:0:ffff:4894:1266
72.148.18.103 0:0:0:0:0:ffff:4894:1267
72.148.18.104 0:0:0:0:0:ffff:4894:1268
72.148.18.105 0:0:0:0:0:ffff:4894:1269
72.148.18.106 0:0:0:0:0:ffff:4894:126a
72.148.18.107 0:0:0:0:0:ffff:4894:126b
72.148.18.108 0:0:0:0:0:ffff:4894:126c
72.148.18.109 0:0:0:0:0:ffff:4894:126d
72.148.18.110 0:0:0:0:0:ffff:4894:126e
72.148.18.111 0:0:0:0:0:ffff:4894:126f
72.148.18.112 0:0:0:0:0:ffff:4894:1270
72.148.18.113 0:0:0:0:0:ffff:4894:1271
72.148.18.114 0:0:0:0:0:ffff:4894:1272
72.148.18.115 0:0:0:0:0:ffff:4894:1273
72.148.18.116 0:0:0:0:0:ffff:4894:1274
72.148.18.117 0:0:0:0:0:ffff:4894:1275
72.148.18.118 0:0:0:0:0:ffff:4894:1276
72.148.18.119 0:0:0:0:0:ffff:4894:1277
72.148.18.120 0:0:0:0:0:ffff:4894:1278


72.148.18.121 0:0:0:0:0:ffff:4894:1279
72.148.18.122 0:0:0:0:0:ffff:4894:127a
72.148.18.123 0:0:0:0:0:ffff:4894:127b
72.148.18.124 0:0:0:0:0:ffff:4894:127c
72.148.18.125 0:0:0:0:0:ffff:4894:127d
72.148.18.126 0:0:0:0:0:ffff:4894:127e
72.148.18.127 0:0:0:0:0:ffff:4894:127f
72.148.18.128 0:0:0:0:0:ffff:4894:1280
72.148.18.129 0:0:0:0:0:ffff:4894:1281
72.148.18.130 0:0:0:0:0:ffff:4894:1282
72.148.18.131 0:0:0:0:0:ffff:4894:1283
72.148.18.132 0:0:0:0:0:ffff:4894:1284
72.148.18.133 0:0:0:0:0:ffff:4894:1285
72.148.18.134 0:0:0:0:0:ffff:4894:1286
72.148.18.135 0:0:0:0:0:ffff:4894:1287
72.148.18.136 0:0:0:0:0:ffff:4894:1288
72.148.18.137 0:0:0:0:0:ffff:4894:1289
72.148.18.138 0:0:0:0:0:ffff:4894:128a
72.148.18.139 0:0:0:0:0:ffff:4894:128b
72.148.18.140 0:0:0:0:0:ffff:4894:128c
72.148.18.141 0:0:0:0:0:ffff:4894:128d
72.148.18.142 0:0:0:0:0:ffff:4894:128e
72.148.18.143 0:0:0:0:0:ffff:4894:128f
72.148.18.144 0:0:0:0:0:ffff:4894:1290
72.148.18.145 0:0:0:0:0:ffff:4894:1291
72.148.18.146 0:0:0:0:0:ffff:4894:1292
72.148.18.147 0:0:0:0:0:ffff:4894:1293
72.148.18.148 0:0:0:0:0:ffff:4894:1294
72.148.18.149 0:0:0:0:0:ffff:4894:1295
72.148.18.150 0:0:0:0:0:ffff:4894:1296
72.148.18.151 0:0:0:0:0:ffff:4894:1297
72.148.18.152 0:0:0:0:0:ffff:4894:1298
72.148.18.153 0:0:0:0:0:ffff:4894:1299
72.148.18.154 0:0:0:0:0:ffff:4894:129a
72.148.18.155 0:0:0:0:0:ffff:4894:129b
72.148.18.156 0:0:0:0:0:ffff:4894:129c
72.148.18.157 0:0:0:0:0:ffff:4894:129d
72.148.18.158 0:0:0:0:0:ffff:4894:129e
72.148.18.159 0:0:0:0:0:ffff:4894:129f
72.148.18.160 0:0:0:0:0:ffff:4894:12a0
72.148.18.161 0:0:0:0:0:ffff:4894:12a1
72.148.18.162 0:0:0:0:0:ffff:4894:12a2
72.148.18.163 0:0:0:0:0:ffff:4894:12a3
72.148.18.164 0:0:0:0:0:ffff:4894:12a4
72.148.18.165 0:0:0:0:0:ffff:4894:12a5
72.148.18.166 0:0:0:0:0:ffff:4894:12a6
72.148.18.167 0:0:0:0:0:ffff:4894:12a7
72.148.18.168 0:0:0:0:0:ffff:4894:12a8
72.148.18.169 0:0:0:0:0:ffff:4894:12a9
72.148.18.170 0:0:0:0:0:ffff:4894:12aa
72.148.18.171 0:0:0:0:0:ffff:4894:12ab
72.148.18.172 0:0:0:0:0:ffff:4894:12ac
72.148.18.173 0:0:0:0:0:ffff:4894:12ad
72.148.18.174 0:0:0:0:0:ffff:4894:12ae
72.148.18.175 0:0:0:0:0:ffff:4894:12af
72.148.18.176 0:0:0:0:0:ffff:4894:12b0
72.148.18.177 0:0:0:0:0:ffff:4894:12b1
72.148.18.178 0:0:0:0:0:ffff:4894:12b2
72.148.18.179 0:0:0:0:0:ffff:4894:12b3
72.148.18.180 0:0:0:0:0:ffff:4894:12b4


72.148.18.181 0:0:0:0:0:ffff:4894:12b5
72.148.18.182 0:0:0:0:0:ffff:4894:12b6
72.148.18.183 0:0:0:0:0:ffff:4894:12b7
72.148.18.184 0:0:0:0:0:ffff:4894:12b8
72.148.18.185 0:0:0:0:0:ffff:4894:12b9
72.148.18.186 0:0:0:0:0:ffff:4894:12ba
72.148.18.187 0:0:0:0:0:ffff:4894:12bb
72.148.18.188 0:0:0:0:0:ffff:4894:12bc
72.148.18.189 0:0:0:0:0:ffff:4894:12bd
72.148.18.190 0:0:0:0:0:ffff:4894:12be
72.148.18.191 0:0:0:0:0:ffff:4894:12bf
72.148.18.192 0:0:0:0:0:ffff:4894:12c0
72.148.18.193 0:0:0:0:0:ffff:4894:12c1
72.148.18.194 0:0:0:0:0:ffff:4894:12c2
72.148.18.195 0:0:0:0:0:ffff:4894:12c3
72.148.18.196 0:0:0:0:0:ffff:4894:12c4
72.148.18.197 0:0:0:0:0:ffff:4894:12c5
72.148.18.198 0:0:0:0:0:ffff:4894:12c6
72.148.18.199 0:0:0:0:0:ffff:4894:12c7
72.148.18.200 0:0:0:0:0:ffff:4894:12c8
72.148.18.201 0:0:0:0:0:ffff:4894:12c9
72.148.18.202 0:0:0:0:0:ffff:4894:12ca
72.148.18.203 0:0:0:0:0:ffff:4894:12cb
72.148.18.204 0:0:0:0:0:ffff:4894:12cc
72.148.18.205 0:0:0:0:0:ffff:4894:12cd
72.148.18.206 0:0:0:0:0:ffff:4894:12ce
72.148.18.207 0:0:0:0:0:ffff:4894:12cf
72.148.18.208 0:0:0:0:0:ffff:4894:12d0
72.148.18.209 0:0:0:0:0:ffff:4894:12d1
72.148.18.210 0:0:0:0:0:ffff:4894:12d2
72.148.18.211 0:0:0:0:0:ffff:4894:12d3
72.148.18.212 0:0:0:0:0:ffff:4894:12d4
72.148.18.213 0:0:0:0:0:ffff:4894:12d5
72.148.18.214 0:0:0:0:0:ffff:4894:12d6
72.148.18.215 0:0:0:0:0:ffff:4894:12d7
72.148.18.216 0:0:0:0:0:ffff:4894:12d8
72.148.18.217 0:0:0:0:0:ffff:4894:12d9
72.148.18.218 0:0:0:0:0:ffff:4894:12da
72.148.18.219 0:0:0:0:0:ffff:4894:12db
72.148.18.220 0:0:0:0:0:ffff:4894:12dc
72.148.18.221 0:0:0:0:0:ffff:4894:12dd
72.148.18.222 0:0:0:0:0:ffff:4894:12de
72.148.18.223 0:0:0:0:0:ffff:4894:12df
72.148.18.224 0:0:0:0:0:ffff:4894:12e0
72.148.18.225 0:0:0:0:0:ffff:4894:12e1
72.148.18.226 0:0:0:0:0:ffff:4894:12e2
72.148.18.227 0:0:0:0:0:ffff:4894:12e3
72.148.18.228 0:0:0:0:0:ffff:4894:12e4
72.148.18.229 0:0:0:0:0:ffff:4894:12e5
72.148.18.230 0:0:0:0:0:ffff:4894:12e6
72.148.18.231 0:0:0:0:0:ffff:4894:12e7
72.148.18.232 0:0:0:0:0:ffff:4894:12e8
72.148.18.233 0:0:0:0:0:ffff:4894:12e9
72.148.18.234 0:0:0:0:0:ffff:4894:12ea
72.148.18.235 0:0:0:0:0:ffff:4894:12eb
72.148.18.236 0:0:0:0:0:ffff:4894:12ec
72.148.18.237 0:0:0:0:0:ffff:4894:12ed
72.148.18.238 0:0:0:0:0:ffff:4894:12ee
72.148.18.239 0:0:0:0:0:ffff:4894:12ef
72.148.18.240 0:0:0:0:0:ffff:4894:12f0
72.148.18.241 0:0:0:0:0:ffff:4894:12f1
72.148.18.242 0:0:0:0:0:ffff:4894:12f2
72.148.18.243 0:0:0:0:0:ffff:4894:12f3
72.148.18.244 0:0:0:0:0:ffff:4894:12f4
72.148.18.245 0:0:0:0:0:ffff:4894:12f5
72.148.18.246 0:0:0:0:0:ffff:4894:12f6
72.148.18.247 0:0:0:0:0:ffff:4894:12f7
72.148.18.248 0:0:0:0:0:ffff:4894:12f8
72.148.18.249 0:0:0:0:0:ffff:4894:12f9
72.148.18.250 0:0:0:0:0:ffff:4894:12fa
72.148.18.251 0:0:0:0:0:ffff:4894:12fb
72.148.18.252 0:0:0:0:0:ffff:4894:12fc
72.148.18.253 0:0:0:0:0:ffff:4894:12fd
72.148.18.254 0:0:0:0:0:ffff:4894:12fe
72.148.18.255 0:0:0:0:0:ffff:4894:12ff


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.