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
31.223.18.1 0:0:0:0:0:ffff:1fdf:1201
31.223.18.2 0:0:0:0:0:ffff:1fdf:1202
31.223.18.3 0:0:0:0:0:ffff:1fdf:1203
31.223.18.4 0:0:0:0:0:ffff:1fdf:1204
31.223.18.5 0:0:0:0:0:ffff:1fdf:1205
31.223.18.6 0:0:0:0:0:ffff:1fdf:1206
31.223.18.7 0:0:0:0:0:ffff:1fdf:1207
31.223.18.8 0:0:0:0:0:ffff:1fdf:1208
31.223.18.9 0:0:0:0:0:ffff:1fdf:1209
31.223.18.10 0:0:0:0:0:ffff:1fdf:120a
31.223.18.11 0:0:0:0:0:ffff:1fdf:120b
31.223.18.12 0:0:0:0:0:ffff:1fdf:120c
31.223.18.13 0:0:0:0:0:ffff:1fdf:120d
31.223.18.14 0:0:0:0:0:ffff:1fdf:120e
31.223.18.15 0:0:0:0:0:ffff:1fdf:120f
31.223.18.16 0:0:0:0:0:ffff:1fdf:1210
31.223.18.17 0:0:0:0:0:ffff:1fdf:1211
31.223.18.18 0:0:0:0:0:ffff:1fdf:1212
31.223.18.19 0:0:0:0:0:ffff:1fdf:1213
31.223.18.20 0:0:0:0:0:ffff:1fdf:1214
31.223.18.21 0:0:0:0:0:ffff:1fdf:1215
31.223.18.22 0:0:0:0:0:ffff:1fdf:1216
31.223.18.23 0:0:0:0:0:ffff:1fdf:1217
31.223.18.24 0:0:0:0:0:ffff:1fdf:1218
31.223.18.25 0:0:0:0:0:ffff:1fdf:1219
31.223.18.26 0:0:0:0:0:ffff:1fdf:121a
31.223.18.27 0:0:0:0:0:ffff:1fdf:121b
31.223.18.28 0:0:0:0:0:ffff:1fdf:121c
31.223.18.29 0:0:0:0:0:ffff:1fdf:121d
31.223.18.30 0:0:0:0:0:ffff:1fdf:121e
31.223.18.31 0:0:0:0:0:ffff:1fdf:121f
31.223.18.32 0:0:0:0:0:ffff:1fdf:1220
31.223.18.33 0:0:0:0:0:ffff:1fdf:1221
31.223.18.34 0:0:0:0:0:ffff:1fdf:1222
31.223.18.35 0:0:0:0:0:ffff:1fdf:1223
31.223.18.36 0:0:0:0:0:ffff:1fdf:1224
31.223.18.37 0:0:0:0:0:ffff:1fdf:1225
31.223.18.38 0:0:0:0:0:ffff:1fdf:1226
31.223.18.39 0:0:0:0:0:ffff:1fdf:1227
31.223.18.40 0:0:0:0:0:ffff:1fdf:1228
31.223.18.41 0:0:0:0:0:ffff:1fdf:1229
31.223.18.42 0:0:0:0:0:ffff:1fdf:122a
31.223.18.43 0:0:0:0:0:ffff:1fdf:122b
31.223.18.44 0:0:0:0:0:ffff:1fdf:122c
31.223.18.45 0:0:0:0:0:ffff:1fdf:122d
31.223.18.46 0:0:0:0:0:ffff:1fdf:122e
31.223.18.47 0:0:0:0:0:ffff:1fdf:122f
31.223.18.48 0:0:0:0:0:ffff:1fdf:1230
31.223.18.49 0:0:0:0:0:ffff:1fdf:1231
31.223.18.50 0:0:0:0:0:ffff:1fdf:1232
31.223.18.51 0:0:0:0:0:ffff:1fdf:1233
31.223.18.52 0:0:0:0:0:ffff:1fdf:1234
31.223.18.53 0:0:0:0:0:ffff:1fdf:1235
31.223.18.54 0:0:0:0:0:ffff:1fdf:1236
31.223.18.55 0:0:0:0:0:ffff:1fdf:1237
31.223.18.56 0:0:0:0:0:ffff:1fdf:1238
31.223.18.57 0:0:0:0:0:ffff:1fdf:1239
31.223.18.58 0:0:0:0:0:ffff:1fdf:123a
31.223.18.59 0:0:0:0:0:ffff:1fdf:123b
31.223.18.60 0:0:0:0:0:ffff:1fdf:123c


31.223.18.61 0:0:0:0:0:ffff:1fdf:123d
31.223.18.62 0:0:0:0:0:ffff:1fdf:123e
31.223.18.63 0:0:0:0:0:ffff:1fdf:123f
31.223.18.64 0:0:0:0:0:ffff:1fdf:1240
31.223.18.65 0:0:0:0:0:ffff:1fdf:1241
31.223.18.66 0:0:0:0:0:ffff:1fdf:1242
31.223.18.67 0:0:0:0:0:ffff:1fdf:1243
31.223.18.68 0:0:0:0:0:ffff:1fdf:1244
31.223.18.69 0:0:0:0:0:ffff:1fdf:1245
31.223.18.70 0:0:0:0:0:ffff:1fdf:1246
31.223.18.71 0:0:0:0:0:ffff:1fdf:1247
31.223.18.72 0:0:0:0:0:ffff:1fdf:1248
31.223.18.73 0:0:0:0:0:ffff:1fdf:1249
31.223.18.74 0:0:0:0:0:ffff:1fdf:124a
31.223.18.75 0:0:0:0:0:ffff:1fdf:124b
31.223.18.76 0:0:0:0:0:ffff:1fdf:124c
31.223.18.77 0:0:0:0:0:ffff:1fdf:124d
31.223.18.78 0:0:0:0:0:ffff:1fdf:124e
31.223.18.79 0:0:0:0:0:ffff:1fdf:124f
31.223.18.80 0:0:0:0:0:ffff:1fdf:1250
31.223.18.81 0:0:0:0:0:ffff:1fdf:1251
31.223.18.82 0:0:0:0:0:ffff:1fdf:1252
31.223.18.83 0:0:0:0:0:ffff:1fdf:1253
31.223.18.84 0:0:0:0:0:ffff:1fdf:1254
31.223.18.85 0:0:0:0:0:ffff:1fdf:1255
31.223.18.86 0:0:0:0:0:ffff:1fdf:1256
31.223.18.87 0:0:0:0:0:ffff:1fdf:1257
31.223.18.88 0:0:0:0:0:ffff:1fdf:1258
31.223.18.89 0:0:0:0:0:ffff:1fdf:1259
31.223.18.90 0:0:0:0:0:ffff:1fdf:125a
31.223.18.91 0:0:0:0:0:ffff:1fdf:125b
31.223.18.92 0:0:0:0:0:ffff:1fdf:125c
31.223.18.93 0:0:0:0:0:ffff:1fdf:125d
31.223.18.94 0:0:0:0:0:ffff:1fdf:125e
31.223.18.95 0:0:0:0:0:ffff:1fdf:125f
31.223.18.96 0:0:0:0:0:ffff:1fdf:1260
31.223.18.97 0:0:0:0:0:ffff:1fdf:1261
31.223.18.98 0:0:0:0:0:ffff:1fdf:1262
31.223.18.99 0:0:0:0:0:ffff:1fdf:1263
31.223.18.100 0:0:0:0:0:ffff:1fdf:1264
31.223.18.101 0:0:0:0:0:ffff:1fdf:1265
31.223.18.102 0:0:0:0:0:ffff:1fdf:1266
31.223.18.103 0:0:0:0:0:ffff:1fdf:1267
31.223.18.104 0:0:0:0:0:ffff:1fdf:1268
31.223.18.105 0:0:0:0:0:ffff:1fdf:1269
31.223.18.106 0:0:0:0:0:ffff:1fdf:126a
31.223.18.107 0:0:0:0:0:ffff:1fdf:126b
31.223.18.108 0:0:0:0:0:ffff:1fdf:126c
31.223.18.109 0:0:0:0:0:ffff:1fdf:126d
31.223.18.110 0:0:0:0:0:ffff:1fdf:126e
31.223.18.111 0:0:0:0:0:ffff:1fdf:126f
31.223.18.112 0:0:0:0:0:ffff:1fdf:1270
31.223.18.113 0:0:0:0:0:ffff:1fdf:1271
31.223.18.114 0:0:0:0:0:ffff:1fdf:1272
31.223.18.115 0:0:0:0:0:ffff:1fdf:1273
31.223.18.116 0:0:0:0:0:ffff:1fdf:1274
31.223.18.117 0:0:0:0:0:ffff:1fdf:1275
31.223.18.118 0:0:0:0:0:ffff:1fdf:1276
31.223.18.119 0:0:0:0:0:ffff:1fdf:1277
31.223.18.120 0:0:0:0:0:ffff:1fdf:1278


31.223.18.121 0:0:0:0:0:ffff:1fdf:1279
31.223.18.122 0:0:0:0:0:ffff:1fdf:127a
31.223.18.123 0:0:0:0:0:ffff:1fdf:127b
31.223.18.124 0:0:0:0:0:ffff:1fdf:127c
31.223.18.125 0:0:0:0:0:ffff:1fdf:127d
31.223.18.126 0:0:0:0:0:ffff:1fdf:127e
31.223.18.127 0:0:0:0:0:ffff:1fdf:127f
31.223.18.128 0:0:0:0:0:ffff:1fdf:1280
31.223.18.129 0:0:0:0:0:ffff:1fdf:1281
31.223.18.130 0:0:0:0:0:ffff:1fdf:1282
31.223.18.131 0:0:0:0:0:ffff:1fdf:1283
31.223.18.132 0:0:0:0:0:ffff:1fdf:1284
31.223.18.133 0:0:0:0:0:ffff:1fdf:1285
31.223.18.134 0:0:0:0:0:ffff:1fdf:1286
31.223.18.135 0:0:0:0:0:ffff:1fdf:1287
31.223.18.136 0:0:0:0:0:ffff:1fdf:1288
31.223.18.137 0:0:0:0:0:ffff:1fdf:1289
31.223.18.138 0:0:0:0:0:ffff:1fdf:128a
31.223.18.139 0:0:0:0:0:ffff:1fdf:128b
31.223.18.140 0:0:0:0:0:ffff:1fdf:128c
31.223.18.141 0:0:0:0:0:ffff:1fdf:128d
31.223.18.142 0:0:0:0:0:ffff:1fdf:128e
31.223.18.143 0:0:0:0:0:ffff:1fdf:128f
31.223.18.144 0:0:0:0:0:ffff:1fdf:1290
31.223.18.145 0:0:0:0:0:ffff:1fdf:1291
31.223.18.146 0:0:0:0:0:ffff:1fdf:1292
31.223.18.147 0:0:0:0:0:ffff:1fdf:1293
31.223.18.148 0:0:0:0:0:ffff:1fdf:1294
31.223.18.149 0:0:0:0:0:ffff:1fdf:1295
31.223.18.150 0:0:0:0:0:ffff:1fdf:1296
31.223.18.151 0:0:0:0:0:ffff:1fdf:1297
31.223.18.152 0:0:0:0:0:ffff:1fdf:1298
31.223.18.153 0:0:0:0:0:ffff:1fdf:1299
31.223.18.154 0:0:0:0:0:ffff:1fdf:129a
31.223.18.155 0:0:0:0:0:ffff:1fdf:129b
31.223.18.156 0:0:0:0:0:ffff:1fdf:129c
31.223.18.157 0:0:0:0:0:ffff:1fdf:129d
31.223.18.158 0:0:0:0:0:ffff:1fdf:129e
31.223.18.159 0:0:0:0:0:ffff:1fdf:129f
31.223.18.160 0:0:0:0:0:ffff:1fdf:12a0
31.223.18.161 0:0:0:0:0:ffff:1fdf:12a1
31.223.18.162 0:0:0:0:0:ffff:1fdf:12a2
31.223.18.163 0:0:0:0:0:ffff:1fdf:12a3
31.223.18.164 0:0:0:0:0:ffff:1fdf:12a4
31.223.18.165 0:0:0:0:0:ffff:1fdf:12a5
31.223.18.166 0:0:0:0:0:ffff:1fdf:12a6
31.223.18.167 0:0:0:0:0:ffff:1fdf:12a7
31.223.18.168 0:0:0:0:0:ffff:1fdf:12a8
31.223.18.169 0:0:0:0:0:ffff:1fdf:12a9
31.223.18.170 0:0:0:0:0:ffff:1fdf:12aa
31.223.18.171 0:0:0:0:0:ffff:1fdf:12ab
31.223.18.172 0:0:0:0:0:ffff:1fdf:12ac
31.223.18.173 0:0:0:0:0:ffff:1fdf:12ad
31.223.18.174 0:0:0:0:0:ffff:1fdf:12ae
31.223.18.175 0:0:0:0:0:ffff:1fdf:12af
31.223.18.176 0:0:0:0:0:ffff:1fdf:12b0
31.223.18.177 0:0:0:0:0:ffff:1fdf:12b1
31.223.18.178 0:0:0:0:0:ffff:1fdf:12b2
31.223.18.179 0:0:0:0:0:ffff:1fdf:12b3
31.223.18.180 0:0:0:0:0:ffff:1fdf:12b4


31.223.18.181 0:0:0:0:0:ffff:1fdf:12b5
31.223.18.182 0:0:0:0:0:ffff:1fdf:12b6
31.223.18.183 0:0:0:0:0:ffff:1fdf:12b7
31.223.18.184 0:0:0:0:0:ffff:1fdf:12b8
31.223.18.185 0:0:0:0:0:ffff:1fdf:12b9
31.223.18.186 0:0:0:0:0:ffff:1fdf:12ba
31.223.18.187 0:0:0:0:0:ffff:1fdf:12bb
31.223.18.188 0:0:0:0:0:ffff:1fdf:12bc
31.223.18.189 0:0:0:0:0:ffff:1fdf:12bd
31.223.18.190 0:0:0:0:0:ffff:1fdf:12be
31.223.18.191 0:0:0:0:0:ffff:1fdf:12bf
31.223.18.192 0:0:0:0:0:ffff:1fdf:12c0
31.223.18.193 0:0:0:0:0:ffff:1fdf:12c1
31.223.18.194 0:0:0:0:0:ffff:1fdf:12c2
31.223.18.195 0:0:0:0:0:ffff:1fdf:12c3
31.223.18.196 0:0:0:0:0:ffff:1fdf:12c4
31.223.18.197 0:0:0:0:0:ffff:1fdf:12c5
31.223.18.198 0:0:0:0:0:ffff:1fdf:12c6
31.223.18.199 0:0:0:0:0:ffff:1fdf:12c7
31.223.18.200 0:0:0:0:0:ffff:1fdf:12c8
31.223.18.201 0:0:0:0:0:ffff:1fdf:12c9
31.223.18.202 0:0:0:0:0:ffff:1fdf:12ca
31.223.18.203 0:0:0:0:0:ffff:1fdf:12cb
31.223.18.204 0:0:0:0:0:ffff:1fdf:12cc
31.223.18.205 0:0:0:0:0:ffff:1fdf:12cd
31.223.18.206 0:0:0:0:0:ffff:1fdf:12ce
31.223.18.207 0:0:0:0:0:ffff:1fdf:12cf
31.223.18.208 0:0:0:0:0:ffff:1fdf:12d0
31.223.18.209 0:0:0:0:0:ffff:1fdf:12d1
31.223.18.210 0:0:0:0:0:ffff:1fdf:12d2
31.223.18.211 0:0:0:0:0:ffff:1fdf:12d3
31.223.18.212 0:0:0:0:0:ffff:1fdf:12d4
31.223.18.213 0:0:0:0:0:ffff:1fdf:12d5
31.223.18.214 0:0:0:0:0:ffff:1fdf:12d6
31.223.18.215 0:0:0:0:0:ffff:1fdf:12d7
31.223.18.216 0:0:0:0:0:ffff:1fdf:12d8
31.223.18.217 0:0:0:0:0:ffff:1fdf:12d9
31.223.18.218 0:0:0:0:0:ffff:1fdf:12da
31.223.18.219 0:0:0:0:0:ffff:1fdf:12db
31.223.18.220 0:0:0:0:0:ffff:1fdf:12dc
31.223.18.221 0:0:0:0:0:ffff:1fdf:12dd
31.223.18.222 0:0:0:0:0:ffff:1fdf:12de
31.223.18.223 0:0:0:0:0:ffff:1fdf:12df
31.223.18.224 0:0:0:0:0:ffff:1fdf:12e0
31.223.18.225 0:0:0:0:0:ffff:1fdf:12e1
31.223.18.226 0:0:0:0:0:ffff:1fdf:12e2
31.223.18.227 0:0:0:0:0:ffff:1fdf:12e3
31.223.18.228 0:0:0:0:0:ffff:1fdf:12e4
31.223.18.229 0:0:0:0:0:ffff:1fdf:12e5
31.223.18.230 0:0:0:0:0:ffff:1fdf:12e6
31.223.18.231 0:0:0:0:0:ffff:1fdf:12e7
31.223.18.232 0:0:0:0:0:ffff:1fdf:12e8
31.223.18.233 0:0:0:0:0:ffff:1fdf:12e9
31.223.18.234 0:0:0:0:0:ffff:1fdf:12ea
31.223.18.235 0:0:0:0:0:ffff:1fdf:12eb
31.223.18.236 0:0:0:0:0:ffff:1fdf:12ec
31.223.18.237 0:0:0:0:0:ffff:1fdf:12ed
31.223.18.238 0:0:0:0:0:ffff:1fdf:12ee
31.223.18.239 0:0:0:0:0:ffff:1fdf:12ef
31.223.18.240 0:0:0:0:0:ffff:1fdf:12f0
31.223.18.241 0:0:0:0:0:ffff:1fdf:12f1
31.223.18.242 0:0:0:0:0:ffff:1fdf:12f2
31.223.18.243 0:0:0:0:0:ffff:1fdf:12f3
31.223.18.244 0:0:0:0:0:ffff:1fdf:12f4
31.223.18.245 0:0:0:0:0:ffff:1fdf:12f5
31.223.18.246 0:0:0:0:0:ffff:1fdf:12f6
31.223.18.247 0:0:0:0:0:ffff:1fdf:12f7
31.223.18.248 0:0:0:0:0:ffff:1fdf:12f8
31.223.18.249 0:0:0:0:0:ffff:1fdf:12f9
31.223.18.250 0:0:0:0:0:ffff:1fdf:12fa
31.223.18.251 0:0:0:0:0:ffff:1fdf:12fb
31.223.18.252 0:0:0:0:0:ffff:1fdf:12fc
31.223.18.253 0:0:0:0:0:ffff:1fdf:12fd
31.223.18.254 0:0:0:0:0:ffff:1fdf:12fe
31.223.18.255 0:0:0:0:0:ffff:1fdf: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.