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
144.21.147.1 0:0:0:0:0:ffff:9015:9301
144.21.147.2 0:0:0:0:0:ffff:9015:9302
144.21.147.3 0:0:0:0:0:ffff:9015:9303
144.21.147.4 0:0:0:0:0:ffff:9015:9304
144.21.147.5 0:0:0:0:0:ffff:9015:9305
144.21.147.6 0:0:0:0:0:ffff:9015:9306
144.21.147.7 0:0:0:0:0:ffff:9015:9307
144.21.147.8 0:0:0:0:0:ffff:9015:9308
144.21.147.9 0:0:0:0:0:ffff:9015:9309
144.21.147.10 0:0:0:0:0:ffff:9015:930a
144.21.147.11 0:0:0:0:0:ffff:9015:930b
144.21.147.12 0:0:0:0:0:ffff:9015:930c
144.21.147.13 0:0:0:0:0:ffff:9015:930d
144.21.147.14 0:0:0:0:0:ffff:9015:930e
144.21.147.15 0:0:0:0:0:ffff:9015:930f
144.21.147.16 0:0:0:0:0:ffff:9015:9310
144.21.147.17 0:0:0:0:0:ffff:9015:9311
144.21.147.18 0:0:0:0:0:ffff:9015:9312
144.21.147.19 0:0:0:0:0:ffff:9015:9313
144.21.147.20 0:0:0:0:0:ffff:9015:9314
144.21.147.21 0:0:0:0:0:ffff:9015:9315
144.21.147.22 0:0:0:0:0:ffff:9015:9316
144.21.147.23 0:0:0:0:0:ffff:9015:9317
144.21.147.24 0:0:0:0:0:ffff:9015:9318
144.21.147.25 0:0:0:0:0:ffff:9015:9319
144.21.147.26 0:0:0:0:0:ffff:9015:931a
144.21.147.27 0:0:0:0:0:ffff:9015:931b
144.21.147.28 0:0:0:0:0:ffff:9015:931c
144.21.147.29 0:0:0:0:0:ffff:9015:931d
144.21.147.30 0:0:0:0:0:ffff:9015:931e
144.21.147.31 0:0:0:0:0:ffff:9015:931f
144.21.147.32 0:0:0:0:0:ffff:9015:9320
144.21.147.33 0:0:0:0:0:ffff:9015:9321
144.21.147.34 0:0:0:0:0:ffff:9015:9322
144.21.147.35 0:0:0:0:0:ffff:9015:9323
144.21.147.36 0:0:0:0:0:ffff:9015:9324
144.21.147.37 0:0:0:0:0:ffff:9015:9325
144.21.147.38 0:0:0:0:0:ffff:9015:9326
144.21.147.39 0:0:0:0:0:ffff:9015:9327
144.21.147.40 0:0:0:0:0:ffff:9015:9328
144.21.147.41 0:0:0:0:0:ffff:9015:9329
144.21.147.42 0:0:0:0:0:ffff:9015:932a
144.21.147.43 0:0:0:0:0:ffff:9015:932b
144.21.147.44 0:0:0:0:0:ffff:9015:932c
144.21.147.45 0:0:0:0:0:ffff:9015:932d
144.21.147.46 0:0:0:0:0:ffff:9015:932e
144.21.147.47 0:0:0:0:0:ffff:9015:932f
144.21.147.48 0:0:0:0:0:ffff:9015:9330
144.21.147.49 0:0:0:0:0:ffff:9015:9331
144.21.147.50 0:0:0:0:0:ffff:9015:9332
144.21.147.51 0:0:0:0:0:ffff:9015:9333
144.21.147.52 0:0:0:0:0:ffff:9015:9334
144.21.147.53 0:0:0:0:0:ffff:9015:9335
144.21.147.54 0:0:0:0:0:ffff:9015:9336
144.21.147.55 0:0:0:0:0:ffff:9015:9337
144.21.147.56 0:0:0:0:0:ffff:9015:9338
144.21.147.57 0:0:0:0:0:ffff:9015:9339
144.21.147.58 0:0:0:0:0:ffff:9015:933a
144.21.147.59 0:0:0:0:0:ffff:9015:933b
144.21.147.60 0:0:0:0:0:ffff:9015:933c


144.21.147.61 0:0:0:0:0:ffff:9015:933d
144.21.147.62 0:0:0:0:0:ffff:9015:933e
144.21.147.63 0:0:0:0:0:ffff:9015:933f
144.21.147.64 0:0:0:0:0:ffff:9015:9340
144.21.147.65 0:0:0:0:0:ffff:9015:9341
144.21.147.66 0:0:0:0:0:ffff:9015:9342
144.21.147.67 0:0:0:0:0:ffff:9015:9343
144.21.147.68 0:0:0:0:0:ffff:9015:9344
144.21.147.69 0:0:0:0:0:ffff:9015:9345
144.21.147.70 0:0:0:0:0:ffff:9015:9346
144.21.147.71 0:0:0:0:0:ffff:9015:9347
144.21.147.72 0:0:0:0:0:ffff:9015:9348
144.21.147.73 0:0:0:0:0:ffff:9015:9349
144.21.147.74 0:0:0:0:0:ffff:9015:934a
144.21.147.75 0:0:0:0:0:ffff:9015:934b
144.21.147.76 0:0:0:0:0:ffff:9015:934c
144.21.147.77 0:0:0:0:0:ffff:9015:934d
144.21.147.78 0:0:0:0:0:ffff:9015:934e
144.21.147.79 0:0:0:0:0:ffff:9015:934f
144.21.147.80 0:0:0:0:0:ffff:9015:9350
144.21.147.81 0:0:0:0:0:ffff:9015:9351
144.21.147.82 0:0:0:0:0:ffff:9015:9352
144.21.147.83 0:0:0:0:0:ffff:9015:9353
144.21.147.84 0:0:0:0:0:ffff:9015:9354
144.21.147.85 0:0:0:0:0:ffff:9015:9355
144.21.147.86 0:0:0:0:0:ffff:9015:9356
144.21.147.87 0:0:0:0:0:ffff:9015:9357
144.21.147.88 0:0:0:0:0:ffff:9015:9358
144.21.147.89 0:0:0:0:0:ffff:9015:9359
144.21.147.90 0:0:0:0:0:ffff:9015:935a
144.21.147.91 0:0:0:0:0:ffff:9015:935b
144.21.147.92 0:0:0:0:0:ffff:9015:935c
144.21.147.93 0:0:0:0:0:ffff:9015:935d
144.21.147.94 0:0:0:0:0:ffff:9015:935e
144.21.147.95 0:0:0:0:0:ffff:9015:935f
144.21.147.96 0:0:0:0:0:ffff:9015:9360
144.21.147.97 0:0:0:0:0:ffff:9015:9361
144.21.147.98 0:0:0:0:0:ffff:9015:9362
144.21.147.99 0:0:0:0:0:ffff:9015:9363
144.21.147.100 0:0:0:0:0:ffff:9015:9364
144.21.147.101 0:0:0:0:0:ffff:9015:9365
144.21.147.102 0:0:0:0:0:ffff:9015:9366
144.21.147.103 0:0:0:0:0:ffff:9015:9367
144.21.147.104 0:0:0:0:0:ffff:9015:9368
144.21.147.105 0:0:0:0:0:ffff:9015:9369
144.21.147.106 0:0:0:0:0:ffff:9015:936a
144.21.147.107 0:0:0:0:0:ffff:9015:936b
144.21.147.108 0:0:0:0:0:ffff:9015:936c
144.21.147.109 0:0:0:0:0:ffff:9015:936d
144.21.147.110 0:0:0:0:0:ffff:9015:936e
144.21.147.111 0:0:0:0:0:ffff:9015:936f
144.21.147.112 0:0:0:0:0:ffff:9015:9370
144.21.147.113 0:0:0:0:0:ffff:9015:9371
144.21.147.114 0:0:0:0:0:ffff:9015:9372
144.21.147.115 0:0:0:0:0:ffff:9015:9373
144.21.147.116 0:0:0:0:0:ffff:9015:9374
144.21.147.117 0:0:0:0:0:ffff:9015:9375
144.21.147.118 0:0:0:0:0:ffff:9015:9376
144.21.147.119 0:0:0:0:0:ffff:9015:9377
144.21.147.120 0:0:0:0:0:ffff:9015:9378


144.21.147.121 0:0:0:0:0:ffff:9015:9379
144.21.147.122 0:0:0:0:0:ffff:9015:937a
144.21.147.123 0:0:0:0:0:ffff:9015:937b
144.21.147.124 0:0:0:0:0:ffff:9015:937c
144.21.147.125 0:0:0:0:0:ffff:9015:937d
144.21.147.126 0:0:0:0:0:ffff:9015:937e
144.21.147.127 0:0:0:0:0:ffff:9015:937f
144.21.147.128 0:0:0:0:0:ffff:9015:9380
144.21.147.129 0:0:0:0:0:ffff:9015:9381
144.21.147.130 0:0:0:0:0:ffff:9015:9382
144.21.147.131 0:0:0:0:0:ffff:9015:9383
144.21.147.132 0:0:0:0:0:ffff:9015:9384
144.21.147.133 0:0:0:0:0:ffff:9015:9385
144.21.147.134 0:0:0:0:0:ffff:9015:9386
144.21.147.135 0:0:0:0:0:ffff:9015:9387
144.21.147.136 0:0:0:0:0:ffff:9015:9388
144.21.147.137 0:0:0:0:0:ffff:9015:9389
144.21.147.138 0:0:0:0:0:ffff:9015:938a
144.21.147.139 0:0:0:0:0:ffff:9015:938b
144.21.147.140 0:0:0:0:0:ffff:9015:938c
144.21.147.141 0:0:0:0:0:ffff:9015:938d
144.21.147.142 0:0:0:0:0:ffff:9015:938e
144.21.147.143 0:0:0:0:0:ffff:9015:938f
144.21.147.144 0:0:0:0:0:ffff:9015:9390
144.21.147.145 0:0:0:0:0:ffff:9015:9391
144.21.147.146 0:0:0:0:0:ffff:9015:9392
144.21.147.147 0:0:0:0:0:ffff:9015:9393
144.21.147.148 0:0:0:0:0:ffff:9015:9394
144.21.147.149 0:0:0:0:0:ffff:9015:9395
144.21.147.150 0:0:0:0:0:ffff:9015:9396
144.21.147.151 0:0:0:0:0:ffff:9015:9397
144.21.147.152 0:0:0:0:0:ffff:9015:9398
144.21.147.153 0:0:0:0:0:ffff:9015:9399
144.21.147.154 0:0:0:0:0:ffff:9015:939a
144.21.147.155 0:0:0:0:0:ffff:9015:939b
144.21.147.156 0:0:0:0:0:ffff:9015:939c
144.21.147.157 0:0:0:0:0:ffff:9015:939d
144.21.147.158 0:0:0:0:0:ffff:9015:939e
144.21.147.159 0:0:0:0:0:ffff:9015:939f
144.21.147.160 0:0:0:0:0:ffff:9015:93a0
144.21.147.161 0:0:0:0:0:ffff:9015:93a1
144.21.147.162 0:0:0:0:0:ffff:9015:93a2
144.21.147.163 0:0:0:0:0:ffff:9015:93a3
144.21.147.164 0:0:0:0:0:ffff:9015:93a4
144.21.147.165 0:0:0:0:0:ffff:9015:93a5
144.21.147.166 0:0:0:0:0:ffff:9015:93a6
144.21.147.167 0:0:0:0:0:ffff:9015:93a7
144.21.147.168 0:0:0:0:0:ffff:9015:93a8
144.21.147.169 0:0:0:0:0:ffff:9015:93a9
144.21.147.170 0:0:0:0:0:ffff:9015:93aa
144.21.147.171 0:0:0:0:0:ffff:9015:93ab
144.21.147.172 0:0:0:0:0:ffff:9015:93ac
144.21.147.173 0:0:0:0:0:ffff:9015:93ad
144.21.147.174 0:0:0:0:0:ffff:9015:93ae
144.21.147.175 0:0:0:0:0:ffff:9015:93af
144.21.147.176 0:0:0:0:0:ffff:9015:93b0
144.21.147.177 0:0:0:0:0:ffff:9015:93b1
144.21.147.178 0:0:0:0:0:ffff:9015:93b2
144.21.147.179 0:0:0:0:0:ffff:9015:93b3
144.21.147.180 0:0:0:0:0:ffff:9015:93b4


144.21.147.181 0:0:0:0:0:ffff:9015:93b5
144.21.147.182 0:0:0:0:0:ffff:9015:93b6
144.21.147.183 0:0:0:0:0:ffff:9015:93b7
144.21.147.184 0:0:0:0:0:ffff:9015:93b8
144.21.147.185 0:0:0:0:0:ffff:9015:93b9
144.21.147.186 0:0:0:0:0:ffff:9015:93ba
144.21.147.187 0:0:0:0:0:ffff:9015:93bb
144.21.147.188 0:0:0:0:0:ffff:9015:93bc
144.21.147.189 0:0:0:0:0:ffff:9015:93bd
144.21.147.190 0:0:0:0:0:ffff:9015:93be
144.21.147.191 0:0:0:0:0:ffff:9015:93bf
144.21.147.192 0:0:0:0:0:ffff:9015:93c0
144.21.147.193 0:0:0:0:0:ffff:9015:93c1
144.21.147.194 0:0:0:0:0:ffff:9015:93c2
144.21.147.195 0:0:0:0:0:ffff:9015:93c3
144.21.147.196 0:0:0:0:0:ffff:9015:93c4
144.21.147.197 0:0:0:0:0:ffff:9015:93c5
144.21.147.198 0:0:0:0:0:ffff:9015:93c6
144.21.147.199 0:0:0:0:0:ffff:9015:93c7
144.21.147.200 0:0:0:0:0:ffff:9015:93c8
144.21.147.201 0:0:0:0:0:ffff:9015:93c9
144.21.147.202 0:0:0:0:0:ffff:9015:93ca
144.21.147.203 0:0:0:0:0:ffff:9015:93cb
144.21.147.204 0:0:0:0:0:ffff:9015:93cc
144.21.147.205 0:0:0:0:0:ffff:9015:93cd
144.21.147.206 0:0:0:0:0:ffff:9015:93ce
144.21.147.207 0:0:0:0:0:ffff:9015:93cf
144.21.147.208 0:0:0:0:0:ffff:9015:93d0
144.21.147.209 0:0:0:0:0:ffff:9015:93d1
144.21.147.210 0:0:0:0:0:ffff:9015:93d2
144.21.147.211 0:0:0:0:0:ffff:9015:93d3
144.21.147.212 0:0:0:0:0:ffff:9015:93d4
144.21.147.213 0:0:0:0:0:ffff:9015:93d5
144.21.147.214 0:0:0:0:0:ffff:9015:93d6
144.21.147.215 0:0:0:0:0:ffff:9015:93d7
144.21.147.216 0:0:0:0:0:ffff:9015:93d8
144.21.147.217 0:0:0:0:0:ffff:9015:93d9
144.21.147.218 0:0:0:0:0:ffff:9015:93da
144.21.147.219 0:0:0:0:0:ffff:9015:93db
144.21.147.220 0:0:0:0:0:ffff:9015:93dc
144.21.147.221 0:0:0:0:0:ffff:9015:93dd
144.21.147.222 0:0:0:0:0:ffff:9015:93de
144.21.147.223 0:0:0:0:0:ffff:9015:93df
144.21.147.224 0:0:0:0:0:ffff:9015:93e0
144.21.147.225 0:0:0:0:0:ffff:9015:93e1
144.21.147.226 0:0:0:0:0:ffff:9015:93e2
144.21.147.227 0:0:0:0:0:ffff:9015:93e3
144.21.147.228 0:0:0:0:0:ffff:9015:93e4
144.21.147.229 0:0:0:0:0:ffff:9015:93e5
144.21.147.230 0:0:0:0:0:ffff:9015:93e6
144.21.147.231 0:0:0:0:0:ffff:9015:93e7
144.21.147.232 0:0:0:0:0:ffff:9015:93e8
144.21.147.233 0:0:0:0:0:ffff:9015:93e9
144.21.147.234 0:0:0:0:0:ffff:9015:93ea
144.21.147.235 0:0:0:0:0:ffff:9015:93eb
144.21.147.236 0:0:0:0:0:ffff:9015:93ec
144.21.147.237 0:0:0:0:0:ffff:9015:93ed
144.21.147.238 0:0:0:0:0:ffff:9015:93ee
144.21.147.239 0:0:0:0:0:ffff:9015:93ef
144.21.147.240 0:0:0:0:0:ffff:9015:93f0
144.21.147.241 0:0:0:0:0:ffff:9015:93f1
144.21.147.242 0:0:0:0:0:ffff:9015:93f2
144.21.147.243 0:0:0:0:0:ffff:9015:93f3
144.21.147.244 0:0:0:0:0:ffff:9015:93f4
144.21.147.245 0:0:0:0:0:ffff:9015:93f5
144.21.147.246 0:0:0:0:0:ffff:9015:93f6
144.21.147.247 0:0:0:0:0:ffff:9015:93f7
144.21.147.248 0:0:0:0:0:ffff:9015:93f8
144.21.147.249 0:0:0:0:0:ffff:9015:93f9
144.21.147.250 0:0:0:0:0:ffff:9015:93fa
144.21.147.251 0:0:0:0:0:ffff:9015:93fb
144.21.147.252 0:0:0:0:0:ffff:9015:93fc
144.21.147.253 0:0:0:0:0:ffff:9015:93fd
144.21.147.254 0:0:0:0:0:ffff:9015:93fe
144.21.147.255 0:0:0:0:0:ffff:9015:93ff


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.