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
143.243.197.1 0:0:0:0:0:ffff:8ff3:c501
143.243.197.2 0:0:0:0:0:ffff:8ff3:c502
143.243.197.3 0:0:0:0:0:ffff:8ff3:c503
143.243.197.4 0:0:0:0:0:ffff:8ff3:c504
143.243.197.5 0:0:0:0:0:ffff:8ff3:c505
143.243.197.6 0:0:0:0:0:ffff:8ff3:c506
143.243.197.7 0:0:0:0:0:ffff:8ff3:c507
143.243.197.8 0:0:0:0:0:ffff:8ff3:c508
143.243.197.9 0:0:0:0:0:ffff:8ff3:c509
143.243.197.10 0:0:0:0:0:ffff:8ff3:c50a
143.243.197.11 0:0:0:0:0:ffff:8ff3:c50b
143.243.197.12 0:0:0:0:0:ffff:8ff3:c50c
143.243.197.13 0:0:0:0:0:ffff:8ff3:c50d
143.243.197.14 0:0:0:0:0:ffff:8ff3:c50e
143.243.197.15 0:0:0:0:0:ffff:8ff3:c50f
143.243.197.16 0:0:0:0:0:ffff:8ff3:c510
143.243.197.17 0:0:0:0:0:ffff:8ff3:c511
143.243.197.18 0:0:0:0:0:ffff:8ff3:c512
143.243.197.19 0:0:0:0:0:ffff:8ff3:c513
143.243.197.20 0:0:0:0:0:ffff:8ff3:c514
143.243.197.21 0:0:0:0:0:ffff:8ff3:c515
143.243.197.22 0:0:0:0:0:ffff:8ff3:c516
143.243.197.23 0:0:0:0:0:ffff:8ff3:c517
143.243.197.24 0:0:0:0:0:ffff:8ff3:c518
143.243.197.25 0:0:0:0:0:ffff:8ff3:c519
143.243.197.26 0:0:0:0:0:ffff:8ff3:c51a
143.243.197.27 0:0:0:0:0:ffff:8ff3:c51b
143.243.197.28 0:0:0:0:0:ffff:8ff3:c51c
143.243.197.29 0:0:0:0:0:ffff:8ff3:c51d
143.243.197.30 0:0:0:0:0:ffff:8ff3:c51e
143.243.197.31 0:0:0:0:0:ffff:8ff3:c51f
143.243.197.32 0:0:0:0:0:ffff:8ff3:c520
143.243.197.33 0:0:0:0:0:ffff:8ff3:c521
143.243.197.34 0:0:0:0:0:ffff:8ff3:c522
143.243.197.35 0:0:0:0:0:ffff:8ff3:c523
143.243.197.36 0:0:0:0:0:ffff:8ff3:c524
143.243.197.37 0:0:0:0:0:ffff:8ff3:c525
143.243.197.38 0:0:0:0:0:ffff:8ff3:c526
143.243.197.39 0:0:0:0:0:ffff:8ff3:c527
143.243.197.40 0:0:0:0:0:ffff:8ff3:c528
143.243.197.41 0:0:0:0:0:ffff:8ff3:c529
143.243.197.42 0:0:0:0:0:ffff:8ff3:c52a
143.243.197.43 0:0:0:0:0:ffff:8ff3:c52b
143.243.197.44 0:0:0:0:0:ffff:8ff3:c52c
143.243.197.45 0:0:0:0:0:ffff:8ff3:c52d
143.243.197.46 0:0:0:0:0:ffff:8ff3:c52e
143.243.197.47 0:0:0:0:0:ffff:8ff3:c52f
143.243.197.48 0:0:0:0:0:ffff:8ff3:c530
143.243.197.49 0:0:0:0:0:ffff:8ff3:c531
143.243.197.50 0:0:0:0:0:ffff:8ff3:c532
143.243.197.51 0:0:0:0:0:ffff:8ff3:c533
143.243.197.52 0:0:0:0:0:ffff:8ff3:c534
143.243.197.53 0:0:0:0:0:ffff:8ff3:c535
143.243.197.54 0:0:0:0:0:ffff:8ff3:c536
143.243.197.55 0:0:0:0:0:ffff:8ff3:c537
143.243.197.56 0:0:0:0:0:ffff:8ff3:c538
143.243.197.57 0:0:0:0:0:ffff:8ff3:c539
143.243.197.58 0:0:0:0:0:ffff:8ff3:c53a
143.243.197.59 0:0:0:0:0:ffff:8ff3:c53b
143.243.197.60 0:0:0:0:0:ffff:8ff3:c53c


143.243.197.61 0:0:0:0:0:ffff:8ff3:c53d
143.243.197.62 0:0:0:0:0:ffff:8ff3:c53e
143.243.197.63 0:0:0:0:0:ffff:8ff3:c53f
143.243.197.64 0:0:0:0:0:ffff:8ff3:c540
143.243.197.65 0:0:0:0:0:ffff:8ff3:c541
143.243.197.66 0:0:0:0:0:ffff:8ff3:c542
143.243.197.67 0:0:0:0:0:ffff:8ff3:c543
143.243.197.68 0:0:0:0:0:ffff:8ff3:c544
143.243.197.69 0:0:0:0:0:ffff:8ff3:c545
143.243.197.70 0:0:0:0:0:ffff:8ff3:c546
143.243.197.71 0:0:0:0:0:ffff:8ff3:c547
143.243.197.72 0:0:0:0:0:ffff:8ff3:c548
143.243.197.73 0:0:0:0:0:ffff:8ff3:c549
143.243.197.74 0:0:0:0:0:ffff:8ff3:c54a
143.243.197.75 0:0:0:0:0:ffff:8ff3:c54b
143.243.197.76 0:0:0:0:0:ffff:8ff3:c54c
143.243.197.77 0:0:0:0:0:ffff:8ff3:c54d
143.243.197.78 0:0:0:0:0:ffff:8ff3:c54e
143.243.197.79 0:0:0:0:0:ffff:8ff3:c54f
143.243.197.80 0:0:0:0:0:ffff:8ff3:c550
143.243.197.81 0:0:0:0:0:ffff:8ff3:c551
143.243.197.82 0:0:0:0:0:ffff:8ff3:c552
143.243.197.83 0:0:0:0:0:ffff:8ff3:c553
143.243.197.84 0:0:0:0:0:ffff:8ff3:c554
143.243.197.85 0:0:0:0:0:ffff:8ff3:c555
143.243.197.86 0:0:0:0:0:ffff:8ff3:c556
143.243.197.87 0:0:0:0:0:ffff:8ff3:c557
143.243.197.88 0:0:0:0:0:ffff:8ff3:c558
143.243.197.89 0:0:0:0:0:ffff:8ff3:c559
143.243.197.90 0:0:0:0:0:ffff:8ff3:c55a
143.243.197.91 0:0:0:0:0:ffff:8ff3:c55b
143.243.197.92 0:0:0:0:0:ffff:8ff3:c55c
143.243.197.93 0:0:0:0:0:ffff:8ff3:c55d
143.243.197.94 0:0:0:0:0:ffff:8ff3:c55e
143.243.197.95 0:0:0:0:0:ffff:8ff3:c55f
143.243.197.96 0:0:0:0:0:ffff:8ff3:c560
143.243.197.97 0:0:0:0:0:ffff:8ff3:c561
143.243.197.98 0:0:0:0:0:ffff:8ff3:c562
143.243.197.99 0:0:0:0:0:ffff:8ff3:c563
143.243.197.100 0:0:0:0:0:ffff:8ff3:c564
143.243.197.101 0:0:0:0:0:ffff:8ff3:c565
143.243.197.102 0:0:0:0:0:ffff:8ff3:c566
143.243.197.103 0:0:0:0:0:ffff:8ff3:c567
143.243.197.104 0:0:0:0:0:ffff:8ff3:c568
143.243.197.105 0:0:0:0:0:ffff:8ff3:c569
143.243.197.106 0:0:0:0:0:ffff:8ff3:c56a
143.243.197.107 0:0:0:0:0:ffff:8ff3:c56b
143.243.197.108 0:0:0:0:0:ffff:8ff3:c56c
143.243.197.109 0:0:0:0:0:ffff:8ff3:c56d
143.243.197.110 0:0:0:0:0:ffff:8ff3:c56e
143.243.197.111 0:0:0:0:0:ffff:8ff3:c56f
143.243.197.112 0:0:0:0:0:ffff:8ff3:c570
143.243.197.113 0:0:0:0:0:ffff:8ff3:c571
143.243.197.114 0:0:0:0:0:ffff:8ff3:c572
143.243.197.115 0:0:0:0:0:ffff:8ff3:c573
143.243.197.116 0:0:0:0:0:ffff:8ff3:c574
143.243.197.117 0:0:0:0:0:ffff:8ff3:c575
143.243.197.118 0:0:0:0:0:ffff:8ff3:c576
143.243.197.119 0:0:0:0:0:ffff:8ff3:c577
143.243.197.120 0:0:0:0:0:ffff:8ff3:c578


143.243.197.121 0:0:0:0:0:ffff:8ff3:c579
143.243.197.122 0:0:0:0:0:ffff:8ff3:c57a
143.243.197.123 0:0:0:0:0:ffff:8ff3:c57b
143.243.197.124 0:0:0:0:0:ffff:8ff3:c57c
143.243.197.125 0:0:0:0:0:ffff:8ff3:c57d
143.243.197.126 0:0:0:0:0:ffff:8ff3:c57e
143.243.197.127 0:0:0:0:0:ffff:8ff3:c57f
143.243.197.128 0:0:0:0:0:ffff:8ff3:c580
143.243.197.129 0:0:0:0:0:ffff:8ff3:c581
143.243.197.130 0:0:0:0:0:ffff:8ff3:c582
143.243.197.131 0:0:0:0:0:ffff:8ff3:c583
143.243.197.132 0:0:0:0:0:ffff:8ff3:c584
143.243.197.133 0:0:0:0:0:ffff:8ff3:c585
143.243.197.134 0:0:0:0:0:ffff:8ff3:c586
143.243.197.135 0:0:0:0:0:ffff:8ff3:c587
143.243.197.136 0:0:0:0:0:ffff:8ff3:c588
143.243.197.137 0:0:0:0:0:ffff:8ff3:c589
143.243.197.138 0:0:0:0:0:ffff:8ff3:c58a
143.243.197.139 0:0:0:0:0:ffff:8ff3:c58b
143.243.197.140 0:0:0:0:0:ffff:8ff3:c58c
143.243.197.141 0:0:0:0:0:ffff:8ff3:c58d
143.243.197.142 0:0:0:0:0:ffff:8ff3:c58e
143.243.197.143 0:0:0:0:0:ffff:8ff3:c58f
143.243.197.144 0:0:0:0:0:ffff:8ff3:c590
143.243.197.145 0:0:0:0:0:ffff:8ff3:c591
143.243.197.146 0:0:0:0:0:ffff:8ff3:c592
143.243.197.147 0:0:0:0:0:ffff:8ff3:c593
143.243.197.148 0:0:0:0:0:ffff:8ff3:c594
143.243.197.149 0:0:0:0:0:ffff:8ff3:c595
143.243.197.150 0:0:0:0:0:ffff:8ff3:c596
143.243.197.151 0:0:0:0:0:ffff:8ff3:c597
143.243.197.152 0:0:0:0:0:ffff:8ff3:c598
143.243.197.153 0:0:0:0:0:ffff:8ff3:c599
143.243.197.154 0:0:0:0:0:ffff:8ff3:c59a
143.243.197.155 0:0:0:0:0:ffff:8ff3:c59b
143.243.197.156 0:0:0:0:0:ffff:8ff3:c59c
143.243.197.157 0:0:0:0:0:ffff:8ff3:c59d
143.243.197.158 0:0:0:0:0:ffff:8ff3:c59e
143.243.197.159 0:0:0:0:0:ffff:8ff3:c59f
143.243.197.160 0:0:0:0:0:ffff:8ff3:c5a0
143.243.197.161 0:0:0:0:0:ffff:8ff3:c5a1
143.243.197.162 0:0:0:0:0:ffff:8ff3:c5a2
143.243.197.163 0:0:0:0:0:ffff:8ff3:c5a3
143.243.197.164 0:0:0:0:0:ffff:8ff3:c5a4
143.243.197.165 0:0:0:0:0:ffff:8ff3:c5a5
143.243.197.166 0:0:0:0:0:ffff:8ff3:c5a6
143.243.197.167 0:0:0:0:0:ffff:8ff3:c5a7
143.243.197.168 0:0:0:0:0:ffff:8ff3:c5a8
143.243.197.169 0:0:0:0:0:ffff:8ff3:c5a9
143.243.197.170 0:0:0:0:0:ffff:8ff3:c5aa
143.243.197.171 0:0:0:0:0:ffff:8ff3:c5ab
143.243.197.172 0:0:0:0:0:ffff:8ff3:c5ac
143.243.197.173 0:0:0:0:0:ffff:8ff3:c5ad
143.243.197.174 0:0:0:0:0:ffff:8ff3:c5ae
143.243.197.175 0:0:0:0:0:ffff:8ff3:c5af
143.243.197.176 0:0:0:0:0:ffff:8ff3:c5b0
143.243.197.177 0:0:0:0:0:ffff:8ff3:c5b1
143.243.197.178 0:0:0:0:0:ffff:8ff3:c5b2
143.243.197.179 0:0:0:0:0:ffff:8ff3:c5b3
143.243.197.180 0:0:0:0:0:ffff:8ff3:c5b4


143.243.197.181 0:0:0:0:0:ffff:8ff3:c5b5
143.243.197.182 0:0:0:0:0:ffff:8ff3:c5b6
143.243.197.183 0:0:0:0:0:ffff:8ff3:c5b7
143.243.197.184 0:0:0:0:0:ffff:8ff3:c5b8
143.243.197.185 0:0:0:0:0:ffff:8ff3:c5b9
143.243.197.186 0:0:0:0:0:ffff:8ff3:c5ba
143.243.197.187 0:0:0:0:0:ffff:8ff3:c5bb
143.243.197.188 0:0:0:0:0:ffff:8ff3:c5bc
143.243.197.189 0:0:0:0:0:ffff:8ff3:c5bd
143.243.197.190 0:0:0:0:0:ffff:8ff3:c5be
143.243.197.191 0:0:0:0:0:ffff:8ff3:c5bf
143.243.197.192 0:0:0:0:0:ffff:8ff3:c5c0
143.243.197.193 0:0:0:0:0:ffff:8ff3:c5c1
143.243.197.194 0:0:0:0:0:ffff:8ff3:c5c2
143.243.197.195 0:0:0:0:0:ffff:8ff3:c5c3
143.243.197.196 0:0:0:0:0:ffff:8ff3:c5c4
143.243.197.197 0:0:0:0:0:ffff:8ff3:c5c5
143.243.197.198 0:0:0:0:0:ffff:8ff3:c5c6
143.243.197.199 0:0:0:0:0:ffff:8ff3:c5c7
143.243.197.200 0:0:0:0:0:ffff:8ff3:c5c8
143.243.197.201 0:0:0:0:0:ffff:8ff3:c5c9
143.243.197.202 0:0:0:0:0:ffff:8ff3:c5ca
143.243.197.203 0:0:0:0:0:ffff:8ff3:c5cb
143.243.197.204 0:0:0:0:0:ffff:8ff3:c5cc
143.243.197.205 0:0:0:0:0:ffff:8ff3:c5cd
143.243.197.206 0:0:0:0:0:ffff:8ff3:c5ce
143.243.197.207 0:0:0:0:0:ffff:8ff3:c5cf
143.243.197.208 0:0:0:0:0:ffff:8ff3:c5d0
143.243.197.209 0:0:0:0:0:ffff:8ff3:c5d1
143.243.197.210 0:0:0:0:0:ffff:8ff3:c5d2
143.243.197.211 0:0:0:0:0:ffff:8ff3:c5d3
143.243.197.212 0:0:0:0:0:ffff:8ff3:c5d4
143.243.197.213 0:0:0:0:0:ffff:8ff3:c5d5
143.243.197.214 0:0:0:0:0:ffff:8ff3:c5d6
143.243.197.215 0:0:0:0:0:ffff:8ff3:c5d7
143.243.197.216 0:0:0:0:0:ffff:8ff3:c5d8
143.243.197.217 0:0:0:0:0:ffff:8ff3:c5d9
143.243.197.218 0:0:0:0:0:ffff:8ff3:c5da
143.243.197.219 0:0:0:0:0:ffff:8ff3:c5db
143.243.197.220 0:0:0:0:0:ffff:8ff3:c5dc
143.243.197.221 0:0:0:0:0:ffff:8ff3:c5dd
143.243.197.222 0:0:0:0:0:ffff:8ff3:c5de
143.243.197.223 0:0:0:0:0:ffff:8ff3:c5df
143.243.197.224 0:0:0:0:0:ffff:8ff3:c5e0
143.243.197.225 0:0:0:0:0:ffff:8ff3:c5e1
143.243.197.226 0:0:0:0:0:ffff:8ff3:c5e2
143.243.197.227 0:0:0:0:0:ffff:8ff3:c5e3
143.243.197.228 0:0:0:0:0:ffff:8ff3:c5e4
143.243.197.229 0:0:0:0:0:ffff:8ff3:c5e5
143.243.197.230 0:0:0:0:0:ffff:8ff3:c5e6
143.243.197.231 0:0:0:0:0:ffff:8ff3:c5e7
143.243.197.232 0:0:0:0:0:ffff:8ff3:c5e8
143.243.197.233 0:0:0:0:0:ffff:8ff3:c5e9
143.243.197.234 0:0:0:0:0:ffff:8ff3:c5ea
143.243.197.235 0:0:0:0:0:ffff:8ff3:c5eb
143.243.197.236 0:0:0:0:0:ffff:8ff3:c5ec
143.243.197.237 0:0:0:0:0:ffff:8ff3:c5ed
143.243.197.238 0:0:0:0:0:ffff:8ff3:c5ee
143.243.197.239 0:0:0:0:0:ffff:8ff3:c5ef
143.243.197.240 0:0:0:0:0:ffff:8ff3:c5f0
143.243.197.241 0:0:0:0:0:ffff:8ff3:c5f1
143.243.197.242 0:0:0:0:0:ffff:8ff3:c5f2
143.243.197.243 0:0:0:0:0:ffff:8ff3:c5f3
143.243.197.244 0:0:0:0:0:ffff:8ff3:c5f4
143.243.197.245 0:0:0:0:0:ffff:8ff3:c5f5
143.243.197.246 0:0:0:0:0:ffff:8ff3:c5f6
143.243.197.247 0:0:0:0:0:ffff:8ff3:c5f7
143.243.197.248 0:0:0:0:0:ffff:8ff3:c5f8
143.243.197.249 0:0:0:0:0:ffff:8ff3:c5f9
143.243.197.250 0:0:0:0:0:ffff:8ff3:c5fa
143.243.197.251 0:0:0:0:0:ffff:8ff3:c5fb
143.243.197.252 0:0:0:0:0:ffff:8ff3:c5fc
143.243.197.253 0:0:0:0:0:ffff:8ff3:c5fd
143.243.197.254 0:0:0:0:0:ffff:8ff3:c5fe
143.243.197.255 0:0:0:0:0:ffff:8ff3:c5ff


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.