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
37.153.18.1 0:0:0:0:0:ffff:2599:1201
37.153.18.2 0:0:0:0:0:ffff:2599:1202
37.153.18.3 0:0:0:0:0:ffff:2599:1203
37.153.18.4 0:0:0:0:0:ffff:2599:1204
37.153.18.5 0:0:0:0:0:ffff:2599:1205
37.153.18.6 0:0:0:0:0:ffff:2599:1206
37.153.18.7 0:0:0:0:0:ffff:2599:1207
37.153.18.8 0:0:0:0:0:ffff:2599:1208
37.153.18.9 0:0:0:0:0:ffff:2599:1209
37.153.18.10 0:0:0:0:0:ffff:2599:120a
37.153.18.11 0:0:0:0:0:ffff:2599:120b
37.153.18.12 0:0:0:0:0:ffff:2599:120c
37.153.18.13 0:0:0:0:0:ffff:2599:120d
37.153.18.14 0:0:0:0:0:ffff:2599:120e
37.153.18.15 0:0:0:0:0:ffff:2599:120f
37.153.18.16 0:0:0:0:0:ffff:2599:1210
37.153.18.17 0:0:0:0:0:ffff:2599:1211
37.153.18.18 0:0:0:0:0:ffff:2599:1212
37.153.18.19 0:0:0:0:0:ffff:2599:1213
37.153.18.20 0:0:0:0:0:ffff:2599:1214
37.153.18.21 0:0:0:0:0:ffff:2599:1215
37.153.18.22 0:0:0:0:0:ffff:2599:1216
37.153.18.23 0:0:0:0:0:ffff:2599:1217
37.153.18.24 0:0:0:0:0:ffff:2599:1218
37.153.18.25 0:0:0:0:0:ffff:2599:1219
37.153.18.26 0:0:0:0:0:ffff:2599:121a
37.153.18.27 0:0:0:0:0:ffff:2599:121b
37.153.18.28 0:0:0:0:0:ffff:2599:121c
37.153.18.29 0:0:0:0:0:ffff:2599:121d
37.153.18.30 0:0:0:0:0:ffff:2599:121e
37.153.18.31 0:0:0:0:0:ffff:2599:121f
37.153.18.32 0:0:0:0:0:ffff:2599:1220
37.153.18.33 0:0:0:0:0:ffff:2599:1221
37.153.18.34 0:0:0:0:0:ffff:2599:1222
37.153.18.35 0:0:0:0:0:ffff:2599:1223
37.153.18.36 0:0:0:0:0:ffff:2599:1224
37.153.18.37 0:0:0:0:0:ffff:2599:1225
37.153.18.38 0:0:0:0:0:ffff:2599:1226
37.153.18.39 0:0:0:0:0:ffff:2599:1227
37.153.18.40 0:0:0:0:0:ffff:2599:1228
37.153.18.41 0:0:0:0:0:ffff:2599:1229
37.153.18.42 0:0:0:0:0:ffff:2599:122a
37.153.18.43 0:0:0:0:0:ffff:2599:122b
37.153.18.44 0:0:0:0:0:ffff:2599:122c
37.153.18.45 0:0:0:0:0:ffff:2599:122d
37.153.18.46 0:0:0:0:0:ffff:2599:122e
37.153.18.47 0:0:0:0:0:ffff:2599:122f
37.153.18.48 0:0:0:0:0:ffff:2599:1230
37.153.18.49 0:0:0:0:0:ffff:2599:1231
37.153.18.50 0:0:0:0:0:ffff:2599:1232
37.153.18.51 0:0:0:0:0:ffff:2599:1233
37.153.18.52 0:0:0:0:0:ffff:2599:1234
37.153.18.53 0:0:0:0:0:ffff:2599:1235
37.153.18.54 0:0:0:0:0:ffff:2599:1236
37.153.18.55 0:0:0:0:0:ffff:2599:1237
37.153.18.56 0:0:0:0:0:ffff:2599:1238
37.153.18.57 0:0:0:0:0:ffff:2599:1239
37.153.18.58 0:0:0:0:0:ffff:2599:123a
37.153.18.59 0:0:0:0:0:ffff:2599:123b
37.153.18.60 0:0:0:0:0:ffff:2599:123c


37.153.18.61 0:0:0:0:0:ffff:2599:123d
37.153.18.62 0:0:0:0:0:ffff:2599:123e
37.153.18.63 0:0:0:0:0:ffff:2599:123f
37.153.18.64 0:0:0:0:0:ffff:2599:1240
37.153.18.65 0:0:0:0:0:ffff:2599:1241
37.153.18.66 0:0:0:0:0:ffff:2599:1242
37.153.18.67 0:0:0:0:0:ffff:2599:1243
37.153.18.68 0:0:0:0:0:ffff:2599:1244
37.153.18.69 0:0:0:0:0:ffff:2599:1245
37.153.18.70 0:0:0:0:0:ffff:2599:1246
37.153.18.71 0:0:0:0:0:ffff:2599:1247
37.153.18.72 0:0:0:0:0:ffff:2599:1248
37.153.18.73 0:0:0:0:0:ffff:2599:1249
37.153.18.74 0:0:0:0:0:ffff:2599:124a
37.153.18.75 0:0:0:0:0:ffff:2599:124b
37.153.18.76 0:0:0:0:0:ffff:2599:124c
37.153.18.77 0:0:0:0:0:ffff:2599:124d
37.153.18.78 0:0:0:0:0:ffff:2599:124e
37.153.18.79 0:0:0:0:0:ffff:2599:124f
37.153.18.80 0:0:0:0:0:ffff:2599:1250
37.153.18.81 0:0:0:0:0:ffff:2599:1251
37.153.18.82 0:0:0:0:0:ffff:2599:1252
37.153.18.83 0:0:0:0:0:ffff:2599:1253
37.153.18.84 0:0:0:0:0:ffff:2599:1254
37.153.18.85 0:0:0:0:0:ffff:2599:1255
37.153.18.86 0:0:0:0:0:ffff:2599:1256
37.153.18.87 0:0:0:0:0:ffff:2599:1257
37.153.18.88 0:0:0:0:0:ffff:2599:1258
37.153.18.89 0:0:0:0:0:ffff:2599:1259
37.153.18.90 0:0:0:0:0:ffff:2599:125a
37.153.18.91 0:0:0:0:0:ffff:2599:125b
37.153.18.92 0:0:0:0:0:ffff:2599:125c
37.153.18.93 0:0:0:0:0:ffff:2599:125d
37.153.18.94 0:0:0:0:0:ffff:2599:125e
37.153.18.95 0:0:0:0:0:ffff:2599:125f
37.153.18.96 0:0:0:0:0:ffff:2599:1260
37.153.18.97 0:0:0:0:0:ffff:2599:1261
37.153.18.98 0:0:0:0:0:ffff:2599:1262
37.153.18.99 0:0:0:0:0:ffff:2599:1263
37.153.18.100 0:0:0:0:0:ffff:2599:1264
37.153.18.101 0:0:0:0:0:ffff:2599:1265
37.153.18.102 0:0:0:0:0:ffff:2599:1266
37.153.18.103 0:0:0:0:0:ffff:2599:1267
37.153.18.104 0:0:0:0:0:ffff:2599:1268
37.153.18.105 0:0:0:0:0:ffff:2599:1269
37.153.18.106 0:0:0:0:0:ffff:2599:126a
37.153.18.107 0:0:0:0:0:ffff:2599:126b
37.153.18.108 0:0:0:0:0:ffff:2599:126c
37.153.18.109 0:0:0:0:0:ffff:2599:126d
37.153.18.110 0:0:0:0:0:ffff:2599:126e
37.153.18.111 0:0:0:0:0:ffff:2599:126f
37.153.18.112 0:0:0:0:0:ffff:2599:1270
37.153.18.113 0:0:0:0:0:ffff:2599:1271
37.153.18.114 0:0:0:0:0:ffff:2599:1272
37.153.18.115 0:0:0:0:0:ffff:2599:1273
37.153.18.116 0:0:0:0:0:ffff:2599:1274
37.153.18.117 0:0:0:0:0:ffff:2599:1275
37.153.18.118 0:0:0:0:0:ffff:2599:1276
37.153.18.119 0:0:0:0:0:ffff:2599:1277
37.153.18.120 0:0:0:0:0:ffff:2599:1278


37.153.18.121 0:0:0:0:0:ffff:2599:1279
37.153.18.122 0:0:0:0:0:ffff:2599:127a
37.153.18.123 0:0:0:0:0:ffff:2599:127b
37.153.18.124 0:0:0:0:0:ffff:2599:127c
37.153.18.125 0:0:0:0:0:ffff:2599:127d
37.153.18.126 0:0:0:0:0:ffff:2599:127e
37.153.18.127 0:0:0:0:0:ffff:2599:127f
37.153.18.128 0:0:0:0:0:ffff:2599:1280
37.153.18.129 0:0:0:0:0:ffff:2599:1281
37.153.18.130 0:0:0:0:0:ffff:2599:1282
37.153.18.131 0:0:0:0:0:ffff:2599:1283
37.153.18.132 0:0:0:0:0:ffff:2599:1284
37.153.18.133 0:0:0:0:0:ffff:2599:1285
37.153.18.134 0:0:0:0:0:ffff:2599:1286
37.153.18.135 0:0:0:0:0:ffff:2599:1287
37.153.18.136 0:0:0:0:0:ffff:2599:1288
37.153.18.137 0:0:0:0:0:ffff:2599:1289
37.153.18.138 0:0:0:0:0:ffff:2599:128a
37.153.18.139 0:0:0:0:0:ffff:2599:128b
37.153.18.140 0:0:0:0:0:ffff:2599:128c
37.153.18.141 0:0:0:0:0:ffff:2599:128d
37.153.18.142 0:0:0:0:0:ffff:2599:128e
37.153.18.143 0:0:0:0:0:ffff:2599:128f
37.153.18.144 0:0:0:0:0:ffff:2599:1290
37.153.18.145 0:0:0:0:0:ffff:2599:1291
37.153.18.146 0:0:0:0:0:ffff:2599:1292
37.153.18.147 0:0:0:0:0:ffff:2599:1293
37.153.18.148 0:0:0:0:0:ffff:2599:1294
37.153.18.149 0:0:0:0:0:ffff:2599:1295
37.153.18.150 0:0:0:0:0:ffff:2599:1296
37.153.18.151 0:0:0:0:0:ffff:2599:1297
37.153.18.152 0:0:0:0:0:ffff:2599:1298
37.153.18.153 0:0:0:0:0:ffff:2599:1299
37.153.18.154 0:0:0:0:0:ffff:2599:129a
37.153.18.155 0:0:0:0:0:ffff:2599:129b
37.153.18.156 0:0:0:0:0:ffff:2599:129c
37.153.18.157 0:0:0:0:0:ffff:2599:129d
37.153.18.158 0:0:0:0:0:ffff:2599:129e
37.153.18.159 0:0:0:0:0:ffff:2599:129f
37.153.18.160 0:0:0:0:0:ffff:2599:12a0
37.153.18.161 0:0:0:0:0:ffff:2599:12a1
37.153.18.162 0:0:0:0:0:ffff:2599:12a2
37.153.18.163 0:0:0:0:0:ffff:2599:12a3
37.153.18.164 0:0:0:0:0:ffff:2599:12a4
37.153.18.165 0:0:0:0:0:ffff:2599:12a5
37.153.18.166 0:0:0:0:0:ffff:2599:12a6
37.153.18.167 0:0:0:0:0:ffff:2599:12a7
37.153.18.168 0:0:0:0:0:ffff:2599:12a8
37.153.18.169 0:0:0:0:0:ffff:2599:12a9
37.153.18.170 0:0:0:0:0:ffff:2599:12aa
37.153.18.171 0:0:0:0:0:ffff:2599:12ab
37.153.18.172 0:0:0:0:0:ffff:2599:12ac
37.153.18.173 0:0:0:0:0:ffff:2599:12ad
37.153.18.174 0:0:0:0:0:ffff:2599:12ae
37.153.18.175 0:0:0:0:0:ffff:2599:12af
37.153.18.176 0:0:0:0:0:ffff:2599:12b0
37.153.18.177 0:0:0:0:0:ffff:2599:12b1
37.153.18.178 0:0:0:0:0:ffff:2599:12b2
37.153.18.179 0:0:0:0:0:ffff:2599:12b3
37.153.18.180 0:0:0:0:0:ffff:2599:12b4


37.153.18.181 0:0:0:0:0:ffff:2599:12b5
37.153.18.182 0:0:0:0:0:ffff:2599:12b6
37.153.18.183 0:0:0:0:0:ffff:2599:12b7
37.153.18.184 0:0:0:0:0:ffff:2599:12b8
37.153.18.185 0:0:0:0:0:ffff:2599:12b9
37.153.18.186 0:0:0:0:0:ffff:2599:12ba
37.153.18.187 0:0:0:0:0:ffff:2599:12bb
37.153.18.188 0:0:0:0:0:ffff:2599:12bc
37.153.18.189 0:0:0:0:0:ffff:2599:12bd
37.153.18.190 0:0:0:0:0:ffff:2599:12be
37.153.18.191 0:0:0:0:0:ffff:2599:12bf
37.153.18.192 0:0:0:0:0:ffff:2599:12c0
37.153.18.193 0:0:0:0:0:ffff:2599:12c1
37.153.18.194 0:0:0:0:0:ffff:2599:12c2
37.153.18.195 0:0:0:0:0:ffff:2599:12c3
37.153.18.196 0:0:0:0:0:ffff:2599:12c4
37.153.18.197 0:0:0:0:0:ffff:2599:12c5
37.153.18.198 0:0:0:0:0:ffff:2599:12c6
37.153.18.199 0:0:0:0:0:ffff:2599:12c7
37.153.18.200 0:0:0:0:0:ffff:2599:12c8
37.153.18.201 0:0:0:0:0:ffff:2599:12c9
37.153.18.202 0:0:0:0:0:ffff:2599:12ca
37.153.18.203 0:0:0:0:0:ffff:2599:12cb
37.153.18.204 0:0:0:0:0:ffff:2599:12cc
37.153.18.205 0:0:0:0:0:ffff:2599:12cd
37.153.18.206 0:0:0:0:0:ffff:2599:12ce
37.153.18.207 0:0:0:0:0:ffff:2599:12cf
37.153.18.208 0:0:0:0:0:ffff:2599:12d0
37.153.18.209 0:0:0:0:0:ffff:2599:12d1
37.153.18.210 0:0:0:0:0:ffff:2599:12d2
37.153.18.211 0:0:0:0:0:ffff:2599:12d3
37.153.18.212 0:0:0:0:0:ffff:2599:12d4
37.153.18.213 0:0:0:0:0:ffff:2599:12d5
37.153.18.214 0:0:0:0:0:ffff:2599:12d6
37.153.18.215 0:0:0:0:0:ffff:2599:12d7
37.153.18.216 0:0:0:0:0:ffff:2599:12d8
37.153.18.217 0:0:0:0:0:ffff:2599:12d9
37.153.18.218 0:0:0:0:0:ffff:2599:12da
37.153.18.219 0:0:0:0:0:ffff:2599:12db
37.153.18.220 0:0:0:0:0:ffff:2599:12dc
37.153.18.221 0:0:0:0:0:ffff:2599:12dd
37.153.18.222 0:0:0:0:0:ffff:2599:12de
37.153.18.223 0:0:0:0:0:ffff:2599:12df
37.153.18.224 0:0:0:0:0:ffff:2599:12e0
37.153.18.225 0:0:0:0:0:ffff:2599:12e1
37.153.18.226 0:0:0:0:0:ffff:2599:12e2
37.153.18.227 0:0:0:0:0:ffff:2599:12e3
37.153.18.228 0:0:0:0:0:ffff:2599:12e4
37.153.18.229 0:0:0:0:0:ffff:2599:12e5
37.153.18.230 0:0:0:0:0:ffff:2599:12e6
37.153.18.231 0:0:0:0:0:ffff:2599:12e7
37.153.18.232 0:0:0:0:0:ffff:2599:12e8
37.153.18.233 0:0:0:0:0:ffff:2599:12e9
37.153.18.234 0:0:0:0:0:ffff:2599:12ea
37.153.18.235 0:0:0:0:0:ffff:2599:12eb
37.153.18.236 0:0:0:0:0:ffff:2599:12ec
37.153.18.237 0:0:0:0:0:ffff:2599:12ed
37.153.18.238 0:0:0:0:0:ffff:2599:12ee
37.153.18.239 0:0:0:0:0:ffff:2599:12ef
37.153.18.240 0:0:0:0:0:ffff:2599:12f0
37.153.18.241 0:0:0:0:0:ffff:2599:12f1
37.153.18.242 0:0:0:0:0:ffff:2599:12f2
37.153.18.243 0:0:0:0:0:ffff:2599:12f3
37.153.18.244 0:0:0:0:0:ffff:2599:12f4
37.153.18.245 0:0:0:0:0:ffff:2599:12f5
37.153.18.246 0:0:0:0:0:ffff:2599:12f6
37.153.18.247 0:0:0:0:0:ffff:2599:12f7
37.153.18.248 0:0:0:0:0:ffff:2599:12f8
37.153.18.249 0:0:0:0:0:ffff:2599:12f9
37.153.18.250 0:0:0:0:0:ffff:2599:12fa
37.153.18.251 0:0:0:0:0:ffff:2599:12fb
37.153.18.252 0:0:0:0:0:ffff:2599:12fc
37.153.18.253 0:0:0:0:0:ffff:2599:12fd
37.153.18.254 0:0:0:0:0:ffff:2599:12fe
37.153.18.255 0:0:0:0:0:ffff:2599:12ff


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.