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
143.243.243.1 0:0:0:0:0:ffff:8ff3:f301
143.243.243.2 0:0:0:0:0:ffff:8ff3:f302
143.243.243.3 0:0:0:0:0:ffff:8ff3:f303
143.243.243.4 0:0:0:0:0:ffff:8ff3:f304
143.243.243.5 0:0:0:0:0:ffff:8ff3:f305
143.243.243.6 0:0:0:0:0:ffff:8ff3:f306
143.243.243.7 0:0:0:0:0:ffff:8ff3:f307
143.243.243.8 0:0:0:0:0:ffff:8ff3:f308
143.243.243.9 0:0:0:0:0:ffff:8ff3:f309
143.243.243.10 0:0:0:0:0:ffff:8ff3:f30a
143.243.243.11 0:0:0:0:0:ffff:8ff3:f30b
143.243.243.12 0:0:0:0:0:ffff:8ff3:f30c
143.243.243.13 0:0:0:0:0:ffff:8ff3:f30d
143.243.243.14 0:0:0:0:0:ffff:8ff3:f30e
143.243.243.15 0:0:0:0:0:ffff:8ff3:f30f
143.243.243.16 0:0:0:0:0:ffff:8ff3:f310
143.243.243.17 0:0:0:0:0:ffff:8ff3:f311
143.243.243.18 0:0:0:0:0:ffff:8ff3:f312
143.243.243.19 0:0:0:0:0:ffff:8ff3:f313
143.243.243.20 0:0:0:0:0:ffff:8ff3:f314
143.243.243.21 0:0:0:0:0:ffff:8ff3:f315
143.243.243.22 0:0:0:0:0:ffff:8ff3:f316
143.243.243.23 0:0:0:0:0:ffff:8ff3:f317
143.243.243.24 0:0:0:0:0:ffff:8ff3:f318
143.243.243.25 0:0:0:0:0:ffff:8ff3:f319
143.243.243.26 0:0:0:0:0:ffff:8ff3:f31a
143.243.243.27 0:0:0:0:0:ffff:8ff3:f31b
143.243.243.28 0:0:0:0:0:ffff:8ff3:f31c
143.243.243.29 0:0:0:0:0:ffff:8ff3:f31d
143.243.243.30 0:0:0:0:0:ffff:8ff3:f31e
143.243.243.31 0:0:0:0:0:ffff:8ff3:f31f
143.243.243.32 0:0:0:0:0:ffff:8ff3:f320
143.243.243.33 0:0:0:0:0:ffff:8ff3:f321
143.243.243.34 0:0:0:0:0:ffff:8ff3:f322
143.243.243.35 0:0:0:0:0:ffff:8ff3:f323
143.243.243.36 0:0:0:0:0:ffff:8ff3:f324
143.243.243.37 0:0:0:0:0:ffff:8ff3:f325
143.243.243.38 0:0:0:0:0:ffff:8ff3:f326
143.243.243.39 0:0:0:0:0:ffff:8ff3:f327
143.243.243.40 0:0:0:0:0:ffff:8ff3:f328
143.243.243.41 0:0:0:0:0:ffff:8ff3:f329
143.243.243.42 0:0:0:0:0:ffff:8ff3:f32a
143.243.243.43 0:0:0:0:0:ffff:8ff3:f32b
143.243.243.44 0:0:0:0:0:ffff:8ff3:f32c
143.243.243.45 0:0:0:0:0:ffff:8ff3:f32d
143.243.243.46 0:0:0:0:0:ffff:8ff3:f32e
143.243.243.47 0:0:0:0:0:ffff:8ff3:f32f
143.243.243.48 0:0:0:0:0:ffff:8ff3:f330
143.243.243.49 0:0:0:0:0:ffff:8ff3:f331
143.243.243.50 0:0:0:0:0:ffff:8ff3:f332
143.243.243.51 0:0:0:0:0:ffff:8ff3:f333
143.243.243.52 0:0:0:0:0:ffff:8ff3:f334
143.243.243.53 0:0:0:0:0:ffff:8ff3:f335
143.243.243.54 0:0:0:0:0:ffff:8ff3:f336
143.243.243.55 0:0:0:0:0:ffff:8ff3:f337
143.243.243.56 0:0:0:0:0:ffff:8ff3:f338
143.243.243.57 0:0:0:0:0:ffff:8ff3:f339
143.243.243.58 0:0:0:0:0:ffff:8ff3:f33a
143.243.243.59 0:0:0:0:0:ffff:8ff3:f33b
143.243.243.60 0:0:0:0:0:ffff:8ff3:f33c


143.243.243.61 0:0:0:0:0:ffff:8ff3:f33d
143.243.243.62 0:0:0:0:0:ffff:8ff3:f33e
143.243.243.63 0:0:0:0:0:ffff:8ff3:f33f
143.243.243.64 0:0:0:0:0:ffff:8ff3:f340
143.243.243.65 0:0:0:0:0:ffff:8ff3:f341
143.243.243.66 0:0:0:0:0:ffff:8ff3:f342
143.243.243.67 0:0:0:0:0:ffff:8ff3:f343
143.243.243.68 0:0:0:0:0:ffff:8ff3:f344
143.243.243.69 0:0:0:0:0:ffff:8ff3:f345
143.243.243.70 0:0:0:0:0:ffff:8ff3:f346
143.243.243.71 0:0:0:0:0:ffff:8ff3:f347
143.243.243.72 0:0:0:0:0:ffff:8ff3:f348
143.243.243.73 0:0:0:0:0:ffff:8ff3:f349
143.243.243.74 0:0:0:0:0:ffff:8ff3:f34a
143.243.243.75 0:0:0:0:0:ffff:8ff3:f34b
143.243.243.76 0:0:0:0:0:ffff:8ff3:f34c
143.243.243.77 0:0:0:0:0:ffff:8ff3:f34d
143.243.243.78 0:0:0:0:0:ffff:8ff3:f34e
143.243.243.79 0:0:0:0:0:ffff:8ff3:f34f
143.243.243.80 0:0:0:0:0:ffff:8ff3:f350
143.243.243.81 0:0:0:0:0:ffff:8ff3:f351
143.243.243.82 0:0:0:0:0:ffff:8ff3:f352
143.243.243.83 0:0:0:0:0:ffff:8ff3:f353
143.243.243.84 0:0:0:0:0:ffff:8ff3:f354
143.243.243.85 0:0:0:0:0:ffff:8ff3:f355
143.243.243.86 0:0:0:0:0:ffff:8ff3:f356
143.243.243.87 0:0:0:0:0:ffff:8ff3:f357
143.243.243.88 0:0:0:0:0:ffff:8ff3:f358
143.243.243.89 0:0:0:0:0:ffff:8ff3:f359
143.243.243.90 0:0:0:0:0:ffff:8ff3:f35a
143.243.243.91 0:0:0:0:0:ffff:8ff3:f35b
143.243.243.92 0:0:0:0:0:ffff:8ff3:f35c
143.243.243.93 0:0:0:0:0:ffff:8ff3:f35d
143.243.243.94 0:0:0:0:0:ffff:8ff3:f35e
143.243.243.95 0:0:0:0:0:ffff:8ff3:f35f
143.243.243.96 0:0:0:0:0:ffff:8ff3:f360
143.243.243.97 0:0:0:0:0:ffff:8ff3:f361
143.243.243.98 0:0:0:0:0:ffff:8ff3:f362
143.243.243.99 0:0:0:0:0:ffff:8ff3:f363
143.243.243.100 0:0:0:0:0:ffff:8ff3:f364
143.243.243.101 0:0:0:0:0:ffff:8ff3:f365
143.243.243.102 0:0:0:0:0:ffff:8ff3:f366
143.243.243.103 0:0:0:0:0:ffff:8ff3:f367
143.243.243.104 0:0:0:0:0:ffff:8ff3:f368
143.243.243.105 0:0:0:0:0:ffff:8ff3:f369
143.243.243.106 0:0:0:0:0:ffff:8ff3:f36a
143.243.243.107 0:0:0:0:0:ffff:8ff3:f36b
143.243.243.108 0:0:0:0:0:ffff:8ff3:f36c
143.243.243.109 0:0:0:0:0:ffff:8ff3:f36d
143.243.243.110 0:0:0:0:0:ffff:8ff3:f36e
143.243.243.111 0:0:0:0:0:ffff:8ff3:f36f
143.243.243.112 0:0:0:0:0:ffff:8ff3:f370
143.243.243.113 0:0:0:0:0:ffff:8ff3:f371
143.243.243.114 0:0:0:0:0:ffff:8ff3:f372
143.243.243.115 0:0:0:0:0:ffff:8ff3:f373
143.243.243.116 0:0:0:0:0:ffff:8ff3:f374
143.243.243.117 0:0:0:0:0:ffff:8ff3:f375
143.243.243.118 0:0:0:0:0:ffff:8ff3:f376
143.243.243.119 0:0:0:0:0:ffff:8ff3:f377
143.243.243.120 0:0:0:0:0:ffff:8ff3:f378


143.243.243.121 0:0:0:0:0:ffff:8ff3:f379
143.243.243.122 0:0:0:0:0:ffff:8ff3:f37a
143.243.243.123 0:0:0:0:0:ffff:8ff3:f37b
143.243.243.124 0:0:0:0:0:ffff:8ff3:f37c
143.243.243.125 0:0:0:0:0:ffff:8ff3:f37d
143.243.243.126 0:0:0:0:0:ffff:8ff3:f37e
143.243.243.127 0:0:0:0:0:ffff:8ff3:f37f
143.243.243.128 0:0:0:0:0:ffff:8ff3:f380
143.243.243.129 0:0:0:0:0:ffff:8ff3:f381
143.243.243.130 0:0:0:0:0:ffff:8ff3:f382
143.243.243.131 0:0:0:0:0:ffff:8ff3:f383
143.243.243.132 0:0:0:0:0:ffff:8ff3:f384
143.243.243.133 0:0:0:0:0:ffff:8ff3:f385
143.243.243.134 0:0:0:0:0:ffff:8ff3:f386
143.243.243.135 0:0:0:0:0:ffff:8ff3:f387
143.243.243.136 0:0:0:0:0:ffff:8ff3:f388
143.243.243.137 0:0:0:0:0:ffff:8ff3:f389
143.243.243.138 0:0:0:0:0:ffff:8ff3:f38a
143.243.243.139 0:0:0:0:0:ffff:8ff3:f38b
143.243.243.140 0:0:0:0:0:ffff:8ff3:f38c
143.243.243.141 0:0:0:0:0:ffff:8ff3:f38d
143.243.243.142 0:0:0:0:0:ffff:8ff3:f38e
143.243.243.143 0:0:0:0:0:ffff:8ff3:f38f
143.243.243.144 0:0:0:0:0:ffff:8ff3:f390
143.243.243.145 0:0:0:0:0:ffff:8ff3:f391
143.243.243.146 0:0:0:0:0:ffff:8ff3:f392
143.243.243.147 0:0:0:0:0:ffff:8ff3:f393
143.243.243.148 0:0:0:0:0:ffff:8ff3:f394
143.243.243.149 0:0:0:0:0:ffff:8ff3:f395
143.243.243.150 0:0:0:0:0:ffff:8ff3:f396
143.243.243.151 0:0:0:0:0:ffff:8ff3:f397
143.243.243.152 0:0:0:0:0:ffff:8ff3:f398
143.243.243.153 0:0:0:0:0:ffff:8ff3:f399
143.243.243.154 0:0:0:0:0:ffff:8ff3:f39a
143.243.243.155 0:0:0:0:0:ffff:8ff3:f39b
143.243.243.156 0:0:0:0:0:ffff:8ff3:f39c
143.243.243.157 0:0:0:0:0:ffff:8ff3:f39d
143.243.243.158 0:0:0:0:0:ffff:8ff3:f39e
143.243.243.159 0:0:0:0:0:ffff:8ff3:f39f
143.243.243.160 0:0:0:0:0:ffff:8ff3:f3a0
143.243.243.161 0:0:0:0:0:ffff:8ff3:f3a1
143.243.243.162 0:0:0:0:0:ffff:8ff3:f3a2
143.243.243.163 0:0:0:0:0:ffff:8ff3:f3a3
143.243.243.164 0:0:0:0:0:ffff:8ff3:f3a4
143.243.243.165 0:0:0:0:0:ffff:8ff3:f3a5
143.243.243.166 0:0:0:0:0:ffff:8ff3:f3a6
143.243.243.167 0:0:0:0:0:ffff:8ff3:f3a7
143.243.243.168 0:0:0:0:0:ffff:8ff3:f3a8
143.243.243.169 0:0:0:0:0:ffff:8ff3:f3a9
143.243.243.170 0:0:0:0:0:ffff:8ff3:f3aa
143.243.243.171 0:0:0:0:0:ffff:8ff3:f3ab
143.243.243.172 0:0:0:0:0:ffff:8ff3:f3ac
143.243.243.173 0:0:0:0:0:ffff:8ff3:f3ad
143.243.243.174 0:0:0:0:0:ffff:8ff3:f3ae
143.243.243.175 0:0:0:0:0:ffff:8ff3:f3af
143.243.243.176 0:0:0:0:0:ffff:8ff3:f3b0
143.243.243.177 0:0:0:0:0:ffff:8ff3:f3b1
143.243.243.178 0:0:0:0:0:ffff:8ff3:f3b2
143.243.243.179 0:0:0:0:0:ffff:8ff3:f3b3
143.243.243.180 0:0:0:0:0:ffff:8ff3:f3b4


143.243.243.181 0:0:0:0:0:ffff:8ff3:f3b5
143.243.243.182 0:0:0:0:0:ffff:8ff3:f3b6
143.243.243.183 0:0:0:0:0:ffff:8ff3:f3b7
143.243.243.184 0:0:0:0:0:ffff:8ff3:f3b8
143.243.243.185 0:0:0:0:0:ffff:8ff3:f3b9
143.243.243.186 0:0:0:0:0:ffff:8ff3:f3ba
143.243.243.187 0:0:0:0:0:ffff:8ff3:f3bb
143.243.243.188 0:0:0:0:0:ffff:8ff3:f3bc
143.243.243.189 0:0:0:0:0:ffff:8ff3:f3bd
143.243.243.190 0:0:0:0:0:ffff:8ff3:f3be
143.243.243.191 0:0:0:0:0:ffff:8ff3:f3bf
143.243.243.192 0:0:0:0:0:ffff:8ff3:f3c0
143.243.243.193 0:0:0:0:0:ffff:8ff3:f3c1
143.243.243.194 0:0:0:0:0:ffff:8ff3:f3c2
143.243.243.195 0:0:0:0:0:ffff:8ff3:f3c3
143.243.243.196 0:0:0:0:0:ffff:8ff3:f3c4
143.243.243.197 0:0:0:0:0:ffff:8ff3:f3c5
143.243.243.198 0:0:0:0:0:ffff:8ff3:f3c6
143.243.243.199 0:0:0:0:0:ffff:8ff3:f3c7
143.243.243.200 0:0:0:0:0:ffff:8ff3:f3c8
143.243.243.201 0:0:0:0:0:ffff:8ff3:f3c9
143.243.243.202 0:0:0:0:0:ffff:8ff3:f3ca
143.243.243.203 0:0:0:0:0:ffff:8ff3:f3cb
143.243.243.204 0:0:0:0:0:ffff:8ff3:f3cc
143.243.243.205 0:0:0:0:0:ffff:8ff3:f3cd
143.243.243.206 0:0:0:0:0:ffff:8ff3:f3ce
143.243.243.207 0:0:0:0:0:ffff:8ff3:f3cf
143.243.243.208 0:0:0:0:0:ffff:8ff3:f3d0
143.243.243.209 0:0:0:0:0:ffff:8ff3:f3d1
143.243.243.210 0:0:0:0:0:ffff:8ff3:f3d2
143.243.243.211 0:0:0:0:0:ffff:8ff3:f3d3
143.243.243.212 0:0:0:0:0:ffff:8ff3:f3d4
143.243.243.213 0:0:0:0:0:ffff:8ff3:f3d5
143.243.243.214 0:0:0:0:0:ffff:8ff3:f3d6
143.243.243.215 0:0:0:0:0:ffff:8ff3:f3d7
143.243.243.216 0:0:0:0:0:ffff:8ff3:f3d8
143.243.243.217 0:0:0:0:0:ffff:8ff3:f3d9
143.243.243.218 0:0:0:0:0:ffff:8ff3:f3da
143.243.243.219 0:0:0:0:0:ffff:8ff3:f3db
143.243.243.220 0:0:0:0:0:ffff:8ff3:f3dc
143.243.243.221 0:0:0:0:0:ffff:8ff3:f3dd
143.243.243.222 0:0:0:0:0:ffff:8ff3:f3de
143.243.243.223 0:0:0:0:0:ffff:8ff3:f3df
143.243.243.224 0:0:0:0:0:ffff:8ff3:f3e0
143.243.243.225 0:0:0:0:0:ffff:8ff3:f3e1
143.243.243.226 0:0:0:0:0:ffff:8ff3:f3e2
143.243.243.227 0:0:0:0:0:ffff:8ff3:f3e3
143.243.243.228 0:0:0:0:0:ffff:8ff3:f3e4
143.243.243.229 0:0:0:0:0:ffff:8ff3:f3e5
143.243.243.230 0:0:0:0:0:ffff:8ff3:f3e6
143.243.243.231 0:0:0:0:0:ffff:8ff3:f3e7
143.243.243.232 0:0:0:0:0:ffff:8ff3:f3e8
143.243.243.233 0:0:0:0:0:ffff:8ff3:f3e9
143.243.243.234 0:0:0:0:0:ffff:8ff3:f3ea
143.243.243.235 0:0:0:0:0:ffff:8ff3:f3eb
143.243.243.236 0:0:0:0:0:ffff:8ff3:f3ec
143.243.243.237 0:0:0:0:0:ffff:8ff3:f3ed
143.243.243.238 0:0:0:0:0:ffff:8ff3:f3ee
143.243.243.239 0:0:0:0:0:ffff:8ff3:f3ef
143.243.243.240 0:0:0:0:0:ffff:8ff3:f3f0
143.243.243.241 0:0:0:0:0:ffff:8ff3:f3f1
143.243.243.242 0:0:0:0:0:ffff:8ff3:f3f2
143.243.243.243 0:0:0:0:0:ffff:8ff3:f3f3
143.243.243.244 0:0:0:0:0:ffff:8ff3:f3f4
143.243.243.245 0:0:0:0:0:ffff:8ff3:f3f5
143.243.243.246 0:0:0:0:0:ffff:8ff3:f3f6
143.243.243.247 0:0:0:0:0:ffff:8ff3:f3f7
143.243.243.248 0:0:0:0:0:ffff:8ff3:f3f8
143.243.243.249 0:0:0:0:0:ffff:8ff3:f3f9
143.243.243.250 0:0:0:0:0:ffff:8ff3:f3fa
143.243.243.251 0:0:0:0:0:ffff:8ff3:f3fb
143.243.243.252 0:0:0:0:0:ffff:8ff3:f3fc
143.243.243.253 0:0:0:0:0:ffff:8ff3:f3fd
143.243.243.254 0:0:0:0:0:ffff:8ff3:f3fe
143.243.243.255 0:0:0:0:0:ffff:8ff3:f3ff


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.