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
36.128.18.1 0:0:0:0:0:ffff:2480:1201
36.128.18.2 0:0:0:0:0:ffff:2480:1202
36.128.18.3 0:0:0:0:0:ffff:2480:1203
36.128.18.4 0:0:0:0:0:ffff:2480:1204
36.128.18.5 0:0:0:0:0:ffff:2480:1205
36.128.18.6 0:0:0:0:0:ffff:2480:1206
36.128.18.7 0:0:0:0:0:ffff:2480:1207
36.128.18.8 0:0:0:0:0:ffff:2480:1208
36.128.18.9 0:0:0:0:0:ffff:2480:1209
36.128.18.10 0:0:0:0:0:ffff:2480:120a
36.128.18.11 0:0:0:0:0:ffff:2480:120b
36.128.18.12 0:0:0:0:0:ffff:2480:120c
36.128.18.13 0:0:0:0:0:ffff:2480:120d
36.128.18.14 0:0:0:0:0:ffff:2480:120e
36.128.18.15 0:0:0:0:0:ffff:2480:120f
36.128.18.16 0:0:0:0:0:ffff:2480:1210
36.128.18.17 0:0:0:0:0:ffff:2480:1211
36.128.18.18 0:0:0:0:0:ffff:2480:1212
36.128.18.19 0:0:0:0:0:ffff:2480:1213
36.128.18.20 0:0:0:0:0:ffff:2480:1214
36.128.18.21 0:0:0:0:0:ffff:2480:1215
36.128.18.22 0:0:0:0:0:ffff:2480:1216
36.128.18.23 0:0:0:0:0:ffff:2480:1217
36.128.18.24 0:0:0:0:0:ffff:2480:1218
36.128.18.25 0:0:0:0:0:ffff:2480:1219
36.128.18.26 0:0:0:0:0:ffff:2480:121a
36.128.18.27 0:0:0:0:0:ffff:2480:121b
36.128.18.28 0:0:0:0:0:ffff:2480:121c
36.128.18.29 0:0:0:0:0:ffff:2480:121d
36.128.18.30 0:0:0:0:0:ffff:2480:121e
36.128.18.31 0:0:0:0:0:ffff:2480:121f
36.128.18.32 0:0:0:0:0:ffff:2480:1220
36.128.18.33 0:0:0:0:0:ffff:2480:1221
36.128.18.34 0:0:0:0:0:ffff:2480:1222
36.128.18.35 0:0:0:0:0:ffff:2480:1223
36.128.18.36 0:0:0:0:0:ffff:2480:1224
36.128.18.37 0:0:0:0:0:ffff:2480:1225
36.128.18.38 0:0:0:0:0:ffff:2480:1226
36.128.18.39 0:0:0:0:0:ffff:2480:1227
36.128.18.40 0:0:0:0:0:ffff:2480:1228
36.128.18.41 0:0:0:0:0:ffff:2480:1229
36.128.18.42 0:0:0:0:0:ffff:2480:122a
36.128.18.43 0:0:0:0:0:ffff:2480:122b
36.128.18.44 0:0:0:0:0:ffff:2480:122c
36.128.18.45 0:0:0:0:0:ffff:2480:122d
36.128.18.46 0:0:0:0:0:ffff:2480:122e
36.128.18.47 0:0:0:0:0:ffff:2480:122f
36.128.18.48 0:0:0:0:0:ffff:2480:1230
36.128.18.49 0:0:0:0:0:ffff:2480:1231
36.128.18.50 0:0:0:0:0:ffff:2480:1232
36.128.18.51 0:0:0:0:0:ffff:2480:1233
36.128.18.52 0:0:0:0:0:ffff:2480:1234
36.128.18.53 0:0:0:0:0:ffff:2480:1235
36.128.18.54 0:0:0:0:0:ffff:2480:1236
36.128.18.55 0:0:0:0:0:ffff:2480:1237
36.128.18.56 0:0:0:0:0:ffff:2480:1238
36.128.18.57 0:0:0:0:0:ffff:2480:1239
36.128.18.58 0:0:0:0:0:ffff:2480:123a
36.128.18.59 0:0:0:0:0:ffff:2480:123b
36.128.18.60 0:0:0:0:0:ffff:2480:123c


36.128.18.61 0:0:0:0:0:ffff:2480:123d
36.128.18.62 0:0:0:0:0:ffff:2480:123e
36.128.18.63 0:0:0:0:0:ffff:2480:123f
36.128.18.64 0:0:0:0:0:ffff:2480:1240
36.128.18.65 0:0:0:0:0:ffff:2480:1241
36.128.18.66 0:0:0:0:0:ffff:2480:1242
36.128.18.67 0:0:0:0:0:ffff:2480:1243
36.128.18.68 0:0:0:0:0:ffff:2480:1244
36.128.18.69 0:0:0:0:0:ffff:2480:1245
36.128.18.70 0:0:0:0:0:ffff:2480:1246
36.128.18.71 0:0:0:0:0:ffff:2480:1247
36.128.18.72 0:0:0:0:0:ffff:2480:1248
36.128.18.73 0:0:0:0:0:ffff:2480:1249
36.128.18.74 0:0:0:0:0:ffff:2480:124a
36.128.18.75 0:0:0:0:0:ffff:2480:124b
36.128.18.76 0:0:0:0:0:ffff:2480:124c
36.128.18.77 0:0:0:0:0:ffff:2480:124d
36.128.18.78 0:0:0:0:0:ffff:2480:124e
36.128.18.79 0:0:0:0:0:ffff:2480:124f
36.128.18.80 0:0:0:0:0:ffff:2480:1250
36.128.18.81 0:0:0:0:0:ffff:2480:1251
36.128.18.82 0:0:0:0:0:ffff:2480:1252
36.128.18.83 0:0:0:0:0:ffff:2480:1253
36.128.18.84 0:0:0:0:0:ffff:2480:1254
36.128.18.85 0:0:0:0:0:ffff:2480:1255
36.128.18.86 0:0:0:0:0:ffff:2480:1256
36.128.18.87 0:0:0:0:0:ffff:2480:1257
36.128.18.88 0:0:0:0:0:ffff:2480:1258
36.128.18.89 0:0:0:0:0:ffff:2480:1259
36.128.18.90 0:0:0:0:0:ffff:2480:125a
36.128.18.91 0:0:0:0:0:ffff:2480:125b
36.128.18.92 0:0:0:0:0:ffff:2480:125c
36.128.18.93 0:0:0:0:0:ffff:2480:125d
36.128.18.94 0:0:0:0:0:ffff:2480:125e
36.128.18.95 0:0:0:0:0:ffff:2480:125f
36.128.18.96 0:0:0:0:0:ffff:2480:1260
36.128.18.97 0:0:0:0:0:ffff:2480:1261
36.128.18.98 0:0:0:0:0:ffff:2480:1262
36.128.18.99 0:0:0:0:0:ffff:2480:1263
36.128.18.100 0:0:0:0:0:ffff:2480:1264
36.128.18.101 0:0:0:0:0:ffff:2480:1265
36.128.18.102 0:0:0:0:0:ffff:2480:1266
36.128.18.103 0:0:0:0:0:ffff:2480:1267
36.128.18.104 0:0:0:0:0:ffff:2480:1268
36.128.18.105 0:0:0:0:0:ffff:2480:1269
36.128.18.106 0:0:0:0:0:ffff:2480:126a
36.128.18.107 0:0:0:0:0:ffff:2480:126b
36.128.18.108 0:0:0:0:0:ffff:2480:126c
36.128.18.109 0:0:0:0:0:ffff:2480:126d
36.128.18.110 0:0:0:0:0:ffff:2480:126e
36.128.18.111 0:0:0:0:0:ffff:2480:126f
36.128.18.112 0:0:0:0:0:ffff:2480:1270
36.128.18.113 0:0:0:0:0:ffff:2480:1271
36.128.18.114 0:0:0:0:0:ffff:2480:1272
36.128.18.115 0:0:0:0:0:ffff:2480:1273
36.128.18.116 0:0:0:0:0:ffff:2480:1274
36.128.18.117 0:0:0:0:0:ffff:2480:1275
36.128.18.118 0:0:0:0:0:ffff:2480:1276
36.128.18.119 0:0:0:0:0:ffff:2480:1277
36.128.18.120 0:0:0:0:0:ffff:2480:1278


36.128.18.121 0:0:0:0:0:ffff:2480:1279
36.128.18.122 0:0:0:0:0:ffff:2480:127a
36.128.18.123 0:0:0:0:0:ffff:2480:127b
36.128.18.124 0:0:0:0:0:ffff:2480:127c
36.128.18.125 0:0:0:0:0:ffff:2480:127d
36.128.18.126 0:0:0:0:0:ffff:2480:127e
36.128.18.127 0:0:0:0:0:ffff:2480:127f
36.128.18.128 0:0:0:0:0:ffff:2480:1280
36.128.18.129 0:0:0:0:0:ffff:2480:1281
36.128.18.130 0:0:0:0:0:ffff:2480:1282
36.128.18.131 0:0:0:0:0:ffff:2480:1283
36.128.18.132 0:0:0:0:0:ffff:2480:1284
36.128.18.133 0:0:0:0:0:ffff:2480:1285
36.128.18.134 0:0:0:0:0:ffff:2480:1286
36.128.18.135 0:0:0:0:0:ffff:2480:1287
36.128.18.136 0:0:0:0:0:ffff:2480:1288
36.128.18.137 0:0:0:0:0:ffff:2480:1289
36.128.18.138 0:0:0:0:0:ffff:2480:128a
36.128.18.139 0:0:0:0:0:ffff:2480:128b
36.128.18.140 0:0:0:0:0:ffff:2480:128c
36.128.18.141 0:0:0:0:0:ffff:2480:128d
36.128.18.142 0:0:0:0:0:ffff:2480:128e
36.128.18.143 0:0:0:0:0:ffff:2480:128f
36.128.18.144 0:0:0:0:0:ffff:2480:1290
36.128.18.145 0:0:0:0:0:ffff:2480:1291
36.128.18.146 0:0:0:0:0:ffff:2480:1292
36.128.18.147 0:0:0:0:0:ffff:2480:1293
36.128.18.148 0:0:0:0:0:ffff:2480:1294
36.128.18.149 0:0:0:0:0:ffff:2480:1295
36.128.18.150 0:0:0:0:0:ffff:2480:1296
36.128.18.151 0:0:0:0:0:ffff:2480:1297
36.128.18.152 0:0:0:0:0:ffff:2480:1298
36.128.18.153 0:0:0:0:0:ffff:2480:1299
36.128.18.154 0:0:0:0:0:ffff:2480:129a
36.128.18.155 0:0:0:0:0:ffff:2480:129b
36.128.18.156 0:0:0:0:0:ffff:2480:129c
36.128.18.157 0:0:0:0:0:ffff:2480:129d
36.128.18.158 0:0:0:0:0:ffff:2480:129e
36.128.18.159 0:0:0:0:0:ffff:2480:129f
36.128.18.160 0:0:0:0:0:ffff:2480:12a0
36.128.18.161 0:0:0:0:0:ffff:2480:12a1
36.128.18.162 0:0:0:0:0:ffff:2480:12a2
36.128.18.163 0:0:0:0:0:ffff:2480:12a3
36.128.18.164 0:0:0:0:0:ffff:2480:12a4
36.128.18.165 0:0:0:0:0:ffff:2480:12a5
36.128.18.166 0:0:0:0:0:ffff:2480:12a6
36.128.18.167 0:0:0:0:0:ffff:2480:12a7
36.128.18.168 0:0:0:0:0:ffff:2480:12a8
36.128.18.169 0:0:0:0:0:ffff:2480:12a9
36.128.18.170 0:0:0:0:0:ffff:2480:12aa
36.128.18.171 0:0:0:0:0:ffff:2480:12ab
36.128.18.172 0:0:0:0:0:ffff:2480:12ac
36.128.18.173 0:0:0:0:0:ffff:2480:12ad
36.128.18.174 0:0:0:0:0:ffff:2480:12ae
36.128.18.175 0:0:0:0:0:ffff:2480:12af
36.128.18.176 0:0:0:0:0:ffff:2480:12b0
36.128.18.177 0:0:0:0:0:ffff:2480:12b1
36.128.18.178 0:0:0:0:0:ffff:2480:12b2
36.128.18.179 0:0:0:0:0:ffff:2480:12b3
36.128.18.180 0:0:0:0:0:ffff:2480:12b4


36.128.18.181 0:0:0:0:0:ffff:2480:12b5
36.128.18.182 0:0:0:0:0:ffff:2480:12b6
36.128.18.183 0:0:0:0:0:ffff:2480:12b7
36.128.18.184 0:0:0:0:0:ffff:2480:12b8
36.128.18.185 0:0:0:0:0:ffff:2480:12b9
36.128.18.186 0:0:0:0:0:ffff:2480:12ba
36.128.18.187 0:0:0:0:0:ffff:2480:12bb
36.128.18.188 0:0:0:0:0:ffff:2480:12bc
36.128.18.189 0:0:0:0:0:ffff:2480:12bd
36.128.18.190 0:0:0:0:0:ffff:2480:12be
36.128.18.191 0:0:0:0:0:ffff:2480:12bf
36.128.18.192 0:0:0:0:0:ffff:2480:12c0
36.128.18.193 0:0:0:0:0:ffff:2480:12c1
36.128.18.194 0:0:0:0:0:ffff:2480:12c2
36.128.18.195 0:0:0:0:0:ffff:2480:12c3
36.128.18.196 0:0:0:0:0:ffff:2480:12c4
36.128.18.197 0:0:0:0:0:ffff:2480:12c5
36.128.18.198 0:0:0:0:0:ffff:2480:12c6
36.128.18.199 0:0:0:0:0:ffff:2480:12c7
36.128.18.200 0:0:0:0:0:ffff:2480:12c8
36.128.18.201 0:0:0:0:0:ffff:2480:12c9
36.128.18.202 0:0:0:0:0:ffff:2480:12ca
36.128.18.203 0:0:0:0:0:ffff:2480:12cb
36.128.18.204 0:0:0:0:0:ffff:2480:12cc
36.128.18.205 0:0:0:0:0:ffff:2480:12cd
36.128.18.206 0:0:0:0:0:ffff:2480:12ce
36.128.18.207 0:0:0:0:0:ffff:2480:12cf
36.128.18.208 0:0:0:0:0:ffff:2480:12d0
36.128.18.209 0:0:0:0:0:ffff:2480:12d1
36.128.18.210 0:0:0:0:0:ffff:2480:12d2
36.128.18.211 0:0:0:0:0:ffff:2480:12d3
36.128.18.212 0:0:0:0:0:ffff:2480:12d4
36.128.18.213 0:0:0:0:0:ffff:2480:12d5
36.128.18.214 0:0:0:0:0:ffff:2480:12d6
36.128.18.215 0:0:0:0:0:ffff:2480:12d7
36.128.18.216 0:0:0:0:0:ffff:2480:12d8
36.128.18.217 0:0:0:0:0:ffff:2480:12d9
36.128.18.218 0:0:0:0:0:ffff:2480:12da
36.128.18.219 0:0:0:0:0:ffff:2480:12db
36.128.18.220 0:0:0:0:0:ffff:2480:12dc
36.128.18.221 0:0:0:0:0:ffff:2480:12dd
36.128.18.222 0:0:0:0:0:ffff:2480:12de
36.128.18.223 0:0:0:0:0:ffff:2480:12df
36.128.18.224 0:0:0:0:0:ffff:2480:12e0
36.128.18.225 0:0:0:0:0:ffff:2480:12e1
36.128.18.226 0:0:0:0:0:ffff:2480:12e2
36.128.18.227 0:0:0:0:0:ffff:2480:12e3
36.128.18.228 0:0:0:0:0:ffff:2480:12e4
36.128.18.229 0:0:0:0:0:ffff:2480:12e5
36.128.18.230 0:0:0:0:0:ffff:2480:12e6
36.128.18.231 0:0:0:0:0:ffff:2480:12e7
36.128.18.232 0:0:0:0:0:ffff:2480:12e8
36.128.18.233 0:0:0:0:0:ffff:2480:12e9
36.128.18.234 0:0:0:0:0:ffff:2480:12ea
36.128.18.235 0:0:0:0:0:ffff:2480:12eb
36.128.18.236 0:0:0:0:0:ffff:2480:12ec
36.128.18.237 0:0:0:0:0:ffff:2480:12ed
36.128.18.238 0:0:0:0:0:ffff:2480:12ee
36.128.18.239 0:0:0:0:0:ffff:2480:12ef
36.128.18.240 0:0:0:0:0:ffff:2480:12f0
36.128.18.241 0:0:0:0:0:ffff:2480:12f1
36.128.18.242 0:0:0:0:0:ffff:2480:12f2
36.128.18.243 0:0:0:0:0:ffff:2480:12f3
36.128.18.244 0:0:0:0:0:ffff:2480:12f4
36.128.18.245 0:0:0:0:0:ffff:2480:12f5
36.128.18.246 0:0:0:0:0:ffff:2480:12f6
36.128.18.247 0:0:0:0:0:ffff:2480:12f7
36.128.18.248 0:0:0:0:0:ffff:2480:12f8
36.128.18.249 0:0:0:0:0:ffff:2480:12f9
36.128.18.250 0:0:0:0:0:ffff:2480:12fa
36.128.18.251 0:0:0:0:0:ffff:2480:12fb
36.128.18.252 0:0:0:0:0:ffff:2480:12fc
36.128.18.253 0:0:0:0:0:ffff:2480:12fd
36.128.18.254 0:0:0:0:0:ffff:2480:12fe
36.128.18.255 0:0:0:0:0:ffff:2480:12ff


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.