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
144.21.131.1 0:0:0:0:0:ffff:9015:8301
144.21.131.2 0:0:0:0:0:ffff:9015:8302
144.21.131.3 0:0:0:0:0:ffff:9015:8303
144.21.131.4 0:0:0:0:0:ffff:9015:8304
144.21.131.5 0:0:0:0:0:ffff:9015:8305
144.21.131.6 0:0:0:0:0:ffff:9015:8306
144.21.131.7 0:0:0:0:0:ffff:9015:8307
144.21.131.8 0:0:0:0:0:ffff:9015:8308
144.21.131.9 0:0:0:0:0:ffff:9015:8309
144.21.131.10 0:0:0:0:0:ffff:9015:830a
144.21.131.11 0:0:0:0:0:ffff:9015:830b
144.21.131.12 0:0:0:0:0:ffff:9015:830c
144.21.131.13 0:0:0:0:0:ffff:9015:830d
144.21.131.14 0:0:0:0:0:ffff:9015:830e
144.21.131.15 0:0:0:0:0:ffff:9015:830f
144.21.131.16 0:0:0:0:0:ffff:9015:8310
144.21.131.17 0:0:0:0:0:ffff:9015:8311
144.21.131.18 0:0:0:0:0:ffff:9015:8312
144.21.131.19 0:0:0:0:0:ffff:9015:8313
144.21.131.20 0:0:0:0:0:ffff:9015:8314
144.21.131.21 0:0:0:0:0:ffff:9015:8315
144.21.131.22 0:0:0:0:0:ffff:9015:8316
144.21.131.23 0:0:0:0:0:ffff:9015:8317
144.21.131.24 0:0:0:0:0:ffff:9015:8318
144.21.131.25 0:0:0:0:0:ffff:9015:8319
144.21.131.26 0:0:0:0:0:ffff:9015:831a
144.21.131.27 0:0:0:0:0:ffff:9015:831b
144.21.131.28 0:0:0:0:0:ffff:9015:831c
144.21.131.29 0:0:0:0:0:ffff:9015:831d
144.21.131.30 0:0:0:0:0:ffff:9015:831e
144.21.131.31 0:0:0:0:0:ffff:9015:831f
144.21.131.32 0:0:0:0:0:ffff:9015:8320
144.21.131.33 0:0:0:0:0:ffff:9015:8321
144.21.131.34 0:0:0:0:0:ffff:9015:8322
144.21.131.35 0:0:0:0:0:ffff:9015:8323
144.21.131.36 0:0:0:0:0:ffff:9015:8324
144.21.131.37 0:0:0:0:0:ffff:9015:8325
144.21.131.38 0:0:0:0:0:ffff:9015:8326
144.21.131.39 0:0:0:0:0:ffff:9015:8327
144.21.131.40 0:0:0:0:0:ffff:9015:8328
144.21.131.41 0:0:0:0:0:ffff:9015:8329
144.21.131.42 0:0:0:0:0:ffff:9015:832a
144.21.131.43 0:0:0:0:0:ffff:9015:832b
144.21.131.44 0:0:0:0:0:ffff:9015:832c
144.21.131.45 0:0:0:0:0:ffff:9015:832d
144.21.131.46 0:0:0:0:0:ffff:9015:832e
144.21.131.47 0:0:0:0:0:ffff:9015:832f
144.21.131.48 0:0:0:0:0:ffff:9015:8330
144.21.131.49 0:0:0:0:0:ffff:9015:8331
144.21.131.50 0:0:0:0:0:ffff:9015:8332
144.21.131.51 0:0:0:0:0:ffff:9015:8333
144.21.131.52 0:0:0:0:0:ffff:9015:8334
144.21.131.53 0:0:0:0:0:ffff:9015:8335
144.21.131.54 0:0:0:0:0:ffff:9015:8336
144.21.131.55 0:0:0:0:0:ffff:9015:8337
144.21.131.56 0:0:0:0:0:ffff:9015:8338
144.21.131.57 0:0:0:0:0:ffff:9015:8339
144.21.131.58 0:0:0:0:0:ffff:9015:833a
144.21.131.59 0:0:0:0:0:ffff:9015:833b
144.21.131.60 0:0:0:0:0:ffff:9015:833c


144.21.131.61 0:0:0:0:0:ffff:9015:833d
144.21.131.62 0:0:0:0:0:ffff:9015:833e
144.21.131.63 0:0:0:0:0:ffff:9015:833f
144.21.131.64 0:0:0:0:0:ffff:9015:8340
144.21.131.65 0:0:0:0:0:ffff:9015:8341
144.21.131.66 0:0:0:0:0:ffff:9015:8342
144.21.131.67 0:0:0:0:0:ffff:9015:8343
144.21.131.68 0:0:0:0:0:ffff:9015:8344
144.21.131.69 0:0:0:0:0:ffff:9015:8345
144.21.131.70 0:0:0:0:0:ffff:9015:8346
144.21.131.71 0:0:0:0:0:ffff:9015:8347
144.21.131.72 0:0:0:0:0:ffff:9015:8348
144.21.131.73 0:0:0:0:0:ffff:9015:8349
144.21.131.74 0:0:0:0:0:ffff:9015:834a
144.21.131.75 0:0:0:0:0:ffff:9015:834b
144.21.131.76 0:0:0:0:0:ffff:9015:834c
144.21.131.77 0:0:0:0:0:ffff:9015:834d
144.21.131.78 0:0:0:0:0:ffff:9015:834e
144.21.131.79 0:0:0:0:0:ffff:9015:834f
144.21.131.80 0:0:0:0:0:ffff:9015:8350
144.21.131.81 0:0:0:0:0:ffff:9015:8351
144.21.131.82 0:0:0:0:0:ffff:9015:8352
144.21.131.83 0:0:0:0:0:ffff:9015:8353
144.21.131.84 0:0:0:0:0:ffff:9015:8354
144.21.131.85 0:0:0:0:0:ffff:9015:8355
144.21.131.86 0:0:0:0:0:ffff:9015:8356
144.21.131.87 0:0:0:0:0:ffff:9015:8357
144.21.131.88 0:0:0:0:0:ffff:9015:8358
144.21.131.89 0:0:0:0:0:ffff:9015:8359
144.21.131.90 0:0:0:0:0:ffff:9015:835a
144.21.131.91 0:0:0:0:0:ffff:9015:835b
144.21.131.92 0:0:0:0:0:ffff:9015:835c
144.21.131.93 0:0:0:0:0:ffff:9015:835d
144.21.131.94 0:0:0:0:0:ffff:9015:835e
144.21.131.95 0:0:0:0:0:ffff:9015:835f
144.21.131.96 0:0:0:0:0:ffff:9015:8360
144.21.131.97 0:0:0:0:0:ffff:9015:8361
144.21.131.98 0:0:0:0:0:ffff:9015:8362
144.21.131.99 0:0:0:0:0:ffff:9015:8363
144.21.131.100 0:0:0:0:0:ffff:9015:8364
144.21.131.101 0:0:0:0:0:ffff:9015:8365
144.21.131.102 0:0:0:0:0:ffff:9015:8366
144.21.131.103 0:0:0:0:0:ffff:9015:8367
144.21.131.104 0:0:0:0:0:ffff:9015:8368
144.21.131.105 0:0:0:0:0:ffff:9015:8369
144.21.131.106 0:0:0:0:0:ffff:9015:836a
144.21.131.107 0:0:0:0:0:ffff:9015:836b
144.21.131.108 0:0:0:0:0:ffff:9015:836c
144.21.131.109 0:0:0:0:0:ffff:9015:836d
144.21.131.110 0:0:0:0:0:ffff:9015:836e
144.21.131.111 0:0:0:0:0:ffff:9015:836f
144.21.131.112 0:0:0:0:0:ffff:9015:8370
144.21.131.113 0:0:0:0:0:ffff:9015:8371
144.21.131.114 0:0:0:0:0:ffff:9015:8372
144.21.131.115 0:0:0:0:0:ffff:9015:8373
144.21.131.116 0:0:0:0:0:ffff:9015:8374
144.21.131.117 0:0:0:0:0:ffff:9015:8375
144.21.131.118 0:0:0:0:0:ffff:9015:8376
144.21.131.119 0:0:0:0:0:ffff:9015:8377
144.21.131.120 0:0:0:0:0:ffff:9015:8378


144.21.131.121 0:0:0:0:0:ffff:9015:8379
144.21.131.122 0:0:0:0:0:ffff:9015:837a
144.21.131.123 0:0:0:0:0:ffff:9015:837b
144.21.131.124 0:0:0:0:0:ffff:9015:837c
144.21.131.125 0:0:0:0:0:ffff:9015:837d
144.21.131.126 0:0:0:0:0:ffff:9015:837e
144.21.131.127 0:0:0:0:0:ffff:9015:837f
144.21.131.128 0:0:0:0:0:ffff:9015:8380
144.21.131.129 0:0:0:0:0:ffff:9015:8381
144.21.131.130 0:0:0:0:0:ffff:9015:8382
144.21.131.131 0:0:0:0:0:ffff:9015:8383
144.21.131.132 0:0:0:0:0:ffff:9015:8384
144.21.131.133 0:0:0:0:0:ffff:9015:8385
144.21.131.134 0:0:0:0:0:ffff:9015:8386
144.21.131.135 0:0:0:0:0:ffff:9015:8387
144.21.131.136 0:0:0:0:0:ffff:9015:8388
144.21.131.137 0:0:0:0:0:ffff:9015:8389
144.21.131.138 0:0:0:0:0:ffff:9015:838a
144.21.131.139 0:0:0:0:0:ffff:9015:838b
144.21.131.140 0:0:0:0:0:ffff:9015:838c
144.21.131.141 0:0:0:0:0:ffff:9015:838d
144.21.131.142 0:0:0:0:0:ffff:9015:838e
144.21.131.143 0:0:0:0:0:ffff:9015:838f
144.21.131.144 0:0:0:0:0:ffff:9015:8390
144.21.131.145 0:0:0:0:0:ffff:9015:8391
144.21.131.146 0:0:0:0:0:ffff:9015:8392
144.21.131.147 0:0:0:0:0:ffff:9015:8393
144.21.131.148 0:0:0:0:0:ffff:9015:8394
144.21.131.149 0:0:0:0:0:ffff:9015:8395
144.21.131.150 0:0:0:0:0:ffff:9015:8396
144.21.131.151 0:0:0:0:0:ffff:9015:8397
144.21.131.152 0:0:0:0:0:ffff:9015:8398
144.21.131.153 0:0:0:0:0:ffff:9015:8399
144.21.131.154 0:0:0:0:0:ffff:9015:839a
144.21.131.155 0:0:0:0:0:ffff:9015:839b
144.21.131.156 0:0:0:0:0:ffff:9015:839c
144.21.131.157 0:0:0:0:0:ffff:9015:839d
144.21.131.158 0:0:0:0:0:ffff:9015:839e
144.21.131.159 0:0:0:0:0:ffff:9015:839f
144.21.131.160 0:0:0:0:0:ffff:9015:83a0
144.21.131.161 0:0:0:0:0:ffff:9015:83a1
144.21.131.162 0:0:0:0:0:ffff:9015:83a2
144.21.131.163 0:0:0:0:0:ffff:9015:83a3
144.21.131.164 0:0:0:0:0:ffff:9015:83a4
144.21.131.165 0:0:0:0:0:ffff:9015:83a5
144.21.131.166 0:0:0:0:0:ffff:9015:83a6
144.21.131.167 0:0:0:0:0:ffff:9015:83a7
144.21.131.168 0:0:0:0:0:ffff:9015:83a8
144.21.131.169 0:0:0:0:0:ffff:9015:83a9
144.21.131.170 0:0:0:0:0:ffff:9015:83aa
144.21.131.171 0:0:0:0:0:ffff:9015:83ab
144.21.131.172 0:0:0:0:0:ffff:9015:83ac
144.21.131.173 0:0:0:0:0:ffff:9015:83ad
144.21.131.174 0:0:0:0:0:ffff:9015:83ae
144.21.131.175 0:0:0:0:0:ffff:9015:83af
144.21.131.176 0:0:0:0:0:ffff:9015:83b0
144.21.131.177 0:0:0:0:0:ffff:9015:83b1
144.21.131.178 0:0:0:0:0:ffff:9015:83b2
144.21.131.179 0:0:0:0:0:ffff:9015:83b3
144.21.131.180 0:0:0:0:0:ffff:9015:83b4


144.21.131.181 0:0:0:0:0:ffff:9015:83b5
144.21.131.182 0:0:0:0:0:ffff:9015:83b6
144.21.131.183 0:0:0:0:0:ffff:9015:83b7
144.21.131.184 0:0:0:0:0:ffff:9015:83b8
144.21.131.185 0:0:0:0:0:ffff:9015:83b9
144.21.131.186 0:0:0:0:0:ffff:9015:83ba
144.21.131.187 0:0:0:0:0:ffff:9015:83bb
144.21.131.188 0:0:0:0:0:ffff:9015:83bc
144.21.131.189 0:0:0:0:0:ffff:9015:83bd
144.21.131.190 0:0:0:0:0:ffff:9015:83be
144.21.131.191 0:0:0:0:0:ffff:9015:83bf
144.21.131.192 0:0:0:0:0:ffff:9015:83c0
144.21.131.193 0:0:0:0:0:ffff:9015:83c1
144.21.131.194 0:0:0:0:0:ffff:9015:83c2
144.21.131.195 0:0:0:0:0:ffff:9015:83c3
144.21.131.196 0:0:0:0:0:ffff:9015:83c4
144.21.131.197 0:0:0:0:0:ffff:9015:83c5
144.21.131.198 0:0:0:0:0:ffff:9015:83c6
144.21.131.199 0:0:0:0:0:ffff:9015:83c7
144.21.131.200 0:0:0:0:0:ffff:9015:83c8
144.21.131.201 0:0:0:0:0:ffff:9015:83c9
144.21.131.202 0:0:0:0:0:ffff:9015:83ca
144.21.131.203 0:0:0:0:0:ffff:9015:83cb
144.21.131.204 0:0:0:0:0:ffff:9015:83cc
144.21.131.205 0:0:0:0:0:ffff:9015:83cd
144.21.131.206 0:0:0:0:0:ffff:9015:83ce
144.21.131.207 0:0:0:0:0:ffff:9015:83cf
144.21.131.208 0:0:0:0:0:ffff:9015:83d0
144.21.131.209 0:0:0:0:0:ffff:9015:83d1
144.21.131.210 0:0:0:0:0:ffff:9015:83d2
144.21.131.211 0:0:0:0:0:ffff:9015:83d3
144.21.131.212 0:0:0:0:0:ffff:9015:83d4
144.21.131.213 0:0:0:0:0:ffff:9015:83d5
144.21.131.214 0:0:0:0:0:ffff:9015:83d6
144.21.131.215 0:0:0:0:0:ffff:9015:83d7
144.21.131.216 0:0:0:0:0:ffff:9015:83d8
144.21.131.217 0:0:0:0:0:ffff:9015:83d9
144.21.131.218 0:0:0:0:0:ffff:9015:83da
144.21.131.219 0:0:0:0:0:ffff:9015:83db
144.21.131.220 0:0:0:0:0:ffff:9015:83dc
144.21.131.221 0:0:0:0:0:ffff:9015:83dd
144.21.131.222 0:0:0:0:0:ffff:9015:83de
144.21.131.223 0:0:0:0:0:ffff:9015:83df
144.21.131.224 0:0:0:0:0:ffff:9015:83e0
144.21.131.225 0:0:0:0:0:ffff:9015:83e1
144.21.131.226 0:0:0:0:0:ffff:9015:83e2
144.21.131.227 0:0:0:0:0:ffff:9015:83e3
144.21.131.228 0:0:0:0:0:ffff:9015:83e4
144.21.131.229 0:0:0:0:0:ffff:9015:83e5
144.21.131.230 0:0:0:0:0:ffff:9015:83e6
144.21.131.231 0:0:0:0:0:ffff:9015:83e7
144.21.131.232 0:0:0:0:0:ffff:9015:83e8
144.21.131.233 0:0:0:0:0:ffff:9015:83e9
144.21.131.234 0:0:0:0:0:ffff:9015:83ea
144.21.131.235 0:0:0:0:0:ffff:9015:83eb
144.21.131.236 0:0:0:0:0:ffff:9015:83ec
144.21.131.237 0:0:0:0:0:ffff:9015:83ed
144.21.131.238 0:0:0:0:0:ffff:9015:83ee
144.21.131.239 0:0:0:0:0:ffff:9015:83ef
144.21.131.240 0:0:0:0:0:ffff:9015:83f0
144.21.131.241 0:0:0:0:0:ffff:9015:83f1
144.21.131.242 0:0:0:0:0:ffff:9015:83f2
144.21.131.243 0:0:0:0:0:ffff:9015:83f3
144.21.131.244 0:0:0:0:0:ffff:9015:83f4
144.21.131.245 0:0:0:0:0:ffff:9015:83f5
144.21.131.246 0:0:0:0:0:ffff:9015:83f6
144.21.131.247 0:0:0:0:0:ffff:9015:83f7
144.21.131.248 0:0:0:0:0:ffff:9015:83f8
144.21.131.249 0:0:0:0:0:ffff:9015:83f9
144.21.131.250 0:0:0:0:0:ffff:9015:83fa
144.21.131.251 0:0:0:0:0:ffff:9015:83fb
144.21.131.252 0:0:0:0:0:ffff:9015:83fc
144.21.131.253 0:0:0:0:0:ffff:9015:83fd
144.21.131.254 0:0:0:0:0:ffff:9015:83fe
144.21.131.255 0:0:0:0:0:ffff:9015:83ff


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.