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
199.138.213.1 0:0:0:0:0:ffff:c78a:d501
199.138.213.2 0:0:0:0:0:ffff:c78a:d502
199.138.213.3 0:0:0:0:0:ffff:c78a:d503
199.138.213.4 0:0:0:0:0:ffff:c78a:d504
199.138.213.5 0:0:0:0:0:ffff:c78a:d505
199.138.213.6 0:0:0:0:0:ffff:c78a:d506
199.138.213.7 0:0:0:0:0:ffff:c78a:d507
199.138.213.8 0:0:0:0:0:ffff:c78a:d508
199.138.213.9 0:0:0:0:0:ffff:c78a:d509
199.138.213.10 0:0:0:0:0:ffff:c78a:d50a
199.138.213.11 0:0:0:0:0:ffff:c78a:d50b
199.138.213.12 0:0:0:0:0:ffff:c78a:d50c
199.138.213.13 0:0:0:0:0:ffff:c78a:d50d
199.138.213.14 0:0:0:0:0:ffff:c78a:d50e
199.138.213.15 0:0:0:0:0:ffff:c78a:d50f
199.138.213.16 0:0:0:0:0:ffff:c78a:d510
199.138.213.17 0:0:0:0:0:ffff:c78a:d511
199.138.213.18 0:0:0:0:0:ffff:c78a:d512
199.138.213.19 0:0:0:0:0:ffff:c78a:d513
199.138.213.20 0:0:0:0:0:ffff:c78a:d514
199.138.213.21 0:0:0:0:0:ffff:c78a:d515
199.138.213.22 0:0:0:0:0:ffff:c78a:d516
199.138.213.23 0:0:0:0:0:ffff:c78a:d517
199.138.213.24 0:0:0:0:0:ffff:c78a:d518
199.138.213.25 0:0:0:0:0:ffff:c78a:d519
199.138.213.26 0:0:0:0:0:ffff:c78a:d51a
199.138.213.27 0:0:0:0:0:ffff:c78a:d51b
199.138.213.28 0:0:0:0:0:ffff:c78a:d51c
199.138.213.29 0:0:0:0:0:ffff:c78a:d51d
199.138.213.30 0:0:0:0:0:ffff:c78a:d51e
199.138.213.31 0:0:0:0:0:ffff:c78a:d51f
199.138.213.32 0:0:0:0:0:ffff:c78a:d520
199.138.213.33 0:0:0:0:0:ffff:c78a:d521
199.138.213.34 0:0:0:0:0:ffff:c78a:d522
199.138.213.35 0:0:0:0:0:ffff:c78a:d523
199.138.213.36 0:0:0:0:0:ffff:c78a:d524
199.138.213.37 0:0:0:0:0:ffff:c78a:d525
199.138.213.38 0:0:0:0:0:ffff:c78a:d526
199.138.213.39 0:0:0:0:0:ffff:c78a:d527
199.138.213.40 0:0:0:0:0:ffff:c78a:d528
199.138.213.41 0:0:0:0:0:ffff:c78a:d529
199.138.213.42 0:0:0:0:0:ffff:c78a:d52a
199.138.213.43 0:0:0:0:0:ffff:c78a:d52b
199.138.213.44 0:0:0:0:0:ffff:c78a:d52c
199.138.213.45 0:0:0:0:0:ffff:c78a:d52d
199.138.213.46 0:0:0:0:0:ffff:c78a:d52e
199.138.213.47 0:0:0:0:0:ffff:c78a:d52f
199.138.213.48 0:0:0:0:0:ffff:c78a:d530
199.138.213.49 0:0:0:0:0:ffff:c78a:d531
199.138.213.50 0:0:0:0:0:ffff:c78a:d532
199.138.213.51 0:0:0:0:0:ffff:c78a:d533
199.138.213.52 0:0:0:0:0:ffff:c78a:d534
199.138.213.53 0:0:0:0:0:ffff:c78a:d535
199.138.213.54 0:0:0:0:0:ffff:c78a:d536
199.138.213.55 0:0:0:0:0:ffff:c78a:d537
199.138.213.56 0:0:0:0:0:ffff:c78a:d538
199.138.213.57 0:0:0:0:0:ffff:c78a:d539
199.138.213.58 0:0:0:0:0:ffff:c78a:d53a
199.138.213.59 0:0:0:0:0:ffff:c78a:d53b
199.138.213.60 0:0:0:0:0:ffff:c78a:d53c


199.138.213.61 0:0:0:0:0:ffff:c78a:d53d
199.138.213.62 0:0:0:0:0:ffff:c78a:d53e
199.138.213.63 0:0:0:0:0:ffff:c78a:d53f
199.138.213.64 0:0:0:0:0:ffff:c78a:d540
199.138.213.65 0:0:0:0:0:ffff:c78a:d541
199.138.213.66 0:0:0:0:0:ffff:c78a:d542
199.138.213.67 0:0:0:0:0:ffff:c78a:d543
199.138.213.68 0:0:0:0:0:ffff:c78a:d544
199.138.213.69 0:0:0:0:0:ffff:c78a:d545
199.138.213.70 0:0:0:0:0:ffff:c78a:d546
199.138.213.71 0:0:0:0:0:ffff:c78a:d547
199.138.213.72 0:0:0:0:0:ffff:c78a:d548
199.138.213.73 0:0:0:0:0:ffff:c78a:d549
199.138.213.74 0:0:0:0:0:ffff:c78a:d54a
199.138.213.75 0:0:0:0:0:ffff:c78a:d54b
199.138.213.76 0:0:0:0:0:ffff:c78a:d54c
199.138.213.77 0:0:0:0:0:ffff:c78a:d54d
199.138.213.78 0:0:0:0:0:ffff:c78a:d54e
199.138.213.79 0:0:0:0:0:ffff:c78a:d54f
199.138.213.80 0:0:0:0:0:ffff:c78a:d550
199.138.213.81 0:0:0:0:0:ffff:c78a:d551
199.138.213.82 0:0:0:0:0:ffff:c78a:d552
199.138.213.83 0:0:0:0:0:ffff:c78a:d553
199.138.213.84 0:0:0:0:0:ffff:c78a:d554
199.138.213.85 0:0:0:0:0:ffff:c78a:d555
199.138.213.86 0:0:0:0:0:ffff:c78a:d556
199.138.213.87 0:0:0:0:0:ffff:c78a:d557
199.138.213.88 0:0:0:0:0:ffff:c78a:d558
199.138.213.89 0:0:0:0:0:ffff:c78a:d559
199.138.213.90 0:0:0:0:0:ffff:c78a:d55a
199.138.213.91 0:0:0:0:0:ffff:c78a:d55b
199.138.213.92 0:0:0:0:0:ffff:c78a:d55c
199.138.213.93 0:0:0:0:0:ffff:c78a:d55d
199.138.213.94 0:0:0:0:0:ffff:c78a:d55e
199.138.213.95 0:0:0:0:0:ffff:c78a:d55f
199.138.213.96 0:0:0:0:0:ffff:c78a:d560
199.138.213.97 0:0:0:0:0:ffff:c78a:d561
199.138.213.98 0:0:0:0:0:ffff:c78a:d562
199.138.213.99 0:0:0:0:0:ffff:c78a:d563
199.138.213.100 0:0:0:0:0:ffff:c78a:d564
199.138.213.101 0:0:0:0:0:ffff:c78a:d565
199.138.213.102 0:0:0:0:0:ffff:c78a:d566
199.138.213.103 0:0:0:0:0:ffff:c78a:d567
199.138.213.104 0:0:0:0:0:ffff:c78a:d568
199.138.213.105 0:0:0:0:0:ffff:c78a:d569
199.138.213.106 0:0:0:0:0:ffff:c78a:d56a
199.138.213.107 0:0:0:0:0:ffff:c78a:d56b
199.138.213.108 0:0:0:0:0:ffff:c78a:d56c
199.138.213.109 0:0:0:0:0:ffff:c78a:d56d
199.138.213.110 0:0:0:0:0:ffff:c78a:d56e
199.138.213.111 0:0:0:0:0:ffff:c78a:d56f
199.138.213.112 0:0:0:0:0:ffff:c78a:d570
199.138.213.113 0:0:0:0:0:ffff:c78a:d571
199.138.213.114 0:0:0:0:0:ffff:c78a:d572
199.138.213.115 0:0:0:0:0:ffff:c78a:d573
199.138.213.116 0:0:0:0:0:ffff:c78a:d574
199.138.213.117 0:0:0:0:0:ffff:c78a:d575
199.138.213.118 0:0:0:0:0:ffff:c78a:d576
199.138.213.119 0:0:0:0:0:ffff:c78a:d577
199.138.213.120 0:0:0:0:0:ffff:c78a:d578


199.138.213.121 0:0:0:0:0:ffff:c78a:d579
199.138.213.122 0:0:0:0:0:ffff:c78a:d57a
199.138.213.123 0:0:0:0:0:ffff:c78a:d57b
199.138.213.124 0:0:0:0:0:ffff:c78a:d57c
199.138.213.125 0:0:0:0:0:ffff:c78a:d57d
199.138.213.126 0:0:0:0:0:ffff:c78a:d57e
199.138.213.127 0:0:0:0:0:ffff:c78a:d57f
199.138.213.128 0:0:0:0:0:ffff:c78a:d580
199.138.213.129 0:0:0:0:0:ffff:c78a:d581
199.138.213.130 0:0:0:0:0:ffff:c78a:d582
199.138.213.131 0:0:0:0:0:ffff:c78a:d583
199.138.213.132 0:0:0:0:0:ffff:c78a:d584
199.138.213.133 0:0:0:0:0:ffff:c78a:d585
199.138.213.134 0:0:0:0:0:ffff:c78a:d586
199.138.213.135 0:0:0:0:0:ffff:c78a:d587
199.138.213.136 0:0:0:0:0:ffff:c78a:d588
199.138.213.137 0:0:0:0:0:ffff:c78a:d589
199.138.213.138 0:0:0:0:0:ffff:c78a:d58a
199.138.213.139 0:0:0:0:0:ffff:c78a:d58b
199.138.213.140 0:0:0:0:0:ffff:c78a:d58c
199.138.213.141 0:0:0:0:0:ffff:c78a:d58d
199.138.213.142 0:0:0:0:0:ffff:c78a:d58e
199.138.213.143 0:0:0:0:0:ffff:c78a:d58f
199.138.213.144 0:0:0:0:0:ffff:c78a:d590
199.138.213.145 0:0:0:0:0:ffff:c78a:d591
199.138.213.146 0:0:0:0:0:ffff:c78a:d592
199.138.213.147 0:0:0:0:0:ffff:c78a:d593
199.138.213.148 0:0:0:0:0:ffff:c78a:d594
199.138.213.149 0:0:0:0:0:ffff:c78a:d595
199.138.213.150 0:0:0:0:0:ffff:c78a:d596
199.138.213.151 0:0:0:0:0:ffff:c78a:d597
199.138.213.152 0:0:0:0:0:ffff:c78a:d598
199.138.213.153 0:0:0:0:0:ffff:c78a:d599
199.138.213.154 0:0:0:0:0:ffff:c78a:d59a
199.138.213.155 0:0:0:0:0:ffff:c78a:d59b
199.138.213.156 0:0:0:0:0:ffff:c78a:d59c
199.138.213.157 0:0:0:0:0:ffff:c78a:d59d
199.138.213.158 0:0:0:0:0:ffff:c78a:d59e
199.138.213.159 0:0:0:0:0:ffff:c78a:d59f
199.138.213.160 0:0:0:0:0:ffff:c78a:d5a0
199.138.213.161 0:0:0:0:0:ffff:c78a:d5a1
199.138.213.162 0:0:0:0:0:ffff:c78a:d5a2
199.138.213.163 0:0:0:0:0:ffff:c78a:d5a3
199.138.213.164 0:0:0:0:0:ffff:c78a:d5a4
199.138.213.165 0:0:0:0:0:ffff:c78a:d5a5
199.138.213.166 0:0:0:0:0:ffff:c78a:d5a6
199.138.213.167 0:0:0:0:0:ffff:c78a:d5a7
199.138.213.168 0:0:0:0:0:ffff:c78a:d5a8
199.138.213.169 0:0:0:0:0:ffff:c78a:d5a9
199.138.213.170 0:0:0:0:0:ffff:c78a:d5aa
199.138.213.171 0:0:0:0:0:ffff:c78a:d5ab
199.138.213.172 0:0:0:0:0:ffff:c78a:d5ac
199.138.213.173 0:0:0:0:0:ffff:c78a:d5ad
199.138.213.174 0:0:0:0:0:ffff:c78a:d5ae
199.138.213.175 0:0:0:0:0:ffff:c78a:d5af
199.138.213.176 0:0:0:0:0:ffff:c78a:d5b0
199.138.213.177 0:0:0:0:0:ffff:c78a:d5b1
199.138.213.178 0:0:0:0:0:ffff:c78a:d5b2
199.138.213.179 0:0:0:0:0:ffff:c78a:d5b3
199.138.213.180 0:0:0:0:0:ffff:c78a:d5b4


199.138.213.181 0:0:0:0:0:ffff:c78a:d5b5
199.138.213.182 0:0:0:0:0:ffff:c78a:d5b6
199.138.213.183 0:0:0:0:0:ffff:c78a:d5b7
199.138.213.184 0:0:0:0:0:ffff:c78a:d5b8
199.138.213.185 0:0:0:0:0:ffff:c78a:d5b9
199.138.213.186 0:0:0:0:0:ffff:c78a:d5ba
199.138.213.187 0:0:0:0:0:ffff:c78a:d5bb
199.138.213.188 0:0:0:0:0:ffff:c78a:d5bc
199.138.213.189 0:0:0:0:0:ffff:c78a:d5bd
199.138.213.190 0:0:0:0:0:ffff:c78a:d5be
199.138.213.191 0:0:0:0:0:ffff:c78a:d5bf
199.138.213.192 0:0:0:0:0:ffff:c78a:d5c0
199.138.213.193 0:0:0:0:0:ffff:c78a:d5c1
199.138.213.194 0:0:0:0:0:ffff:c78a:d5c2
199.138.213.195 0:0:0:0:0:ffff:c78a:d5c3
199.138.213.196 0:0:0:0:0:ffff:c78a:d5c4
199.138.213.197 0:0:0:0:0:ffff:c78a:d5c5
199.138.213.198 0:0:0:0:0:ffff:c78a:d5c6
199.138.213.199 0:0:0:0:0:ffff:c78a:d5c7
199.138.213.200 0:0:0:0:0:ffff:c78a:d5c8
199.138.213.201 0:0:0:0:0:ffff:c78a:d5c9
199.138.213.202 0:0:0:0:0:ffff:c78a:d5ca
199.138.213.203 0:0:0:0:0:ffff:c78a:d5cb
199.138.213.204 0:0:0:0:0:ffff:c78a:d5cc
199.138.213.205 0:0:0:0:0:ffff:c78a:d5cd
199.138.213.206 0:0:0:0:0:ffff:c78a:d5ce
199.138.213.207 0:0:0:0:0:ffff:c78a:d5cf
199.138.213.208 0:0:0:0:0:ffff:c78a:d5d0
199.138.213.209 0:0:0:0:0:ffff:c78a:d5d1
199.138.213.210 0:0:0:0:0:ffff:c78a:d5d2
199.138.213.211 0:0:0:0:0:ffff:c78a:d5d3
199.138.213.212 0:0:0:0:0:ffff:c78a:d5d4
199.138.213.213 0:0:0:0:0:ffff:c78a:d5d5
199.138.213.214 0:0:0:0:0:ffff:c78a:d5d6
199.138.213.215 0:0:0:0:0:ffff:c78a:d5d7
199.138.213.216 0:0:0:0:0:ffff:c78a:d5d8
199.138.213.217 0:0:0:0:0:ffff:c78a:d5d9
199.138.213.218 0:0:0:0:0:ffff:c78a:d5da
199.138.213.219 0:0:0:0:0:ffff:c78a:d5db
199.138.213.220 0:0:0:0:0:ffff:c78a:d5dc
199.138.213.221 0:0:0:0:0:ffff:c78a:d5dd
199.138.213.222 0:0:0:0:0:ffff:c78a:d5de
199.138.213.223 0:0:0:0:0:ffff:c78a:d5df
199.138.213.224 0:0:0:0:0:ffff:c78a:d5e0
199.138.213.225 0:0:0:0:0:ffff:c78a:d5e1
199.138.213.226 0:0:0:0:0:ffff:c78a:d5e2
199.138.213.227 0:0:0:0:0:ffff:c78a:d5e3
199.138.213.228 0:0:0:0:0:ffff:c78a:d5e4
199.138.213.229 0:0:0:0:0:ffff:c78a:d5e5
199.138.213.230 0:0:0:0:0:ffff:c78a:d5e6
199.138.213.231 0:0:0:0:0:ffff:c78a:d5e7
199.138.213.232 0:0:0:0:0:ffff:c78a:d5e8
199.138.213.233 0:0:0:0:0:ffff:c78a:d5e9
199.138.213.234 0:0:0:0:0:ffff:c78a:d5ea
199.138.213.235 0:0:0:0:0:ffff:c78a:d5eb
199.138.213.236 0:0:0:0:0:ffff:c78a:d5ec
199.138.213.237 0:0:0:0:0:ffff:c78a:d5ed
199.138.213.238 0:0:0:0:0:ffff:c78a:d5ee
199.138.213.239 0:0:0:0:0:ffff:c78a:d5ef
199.138.213.240 0:0:0:0:0:ffff:c78a:d5f0
199.138.213.241 0:0:0:0:0:ffff:c78a:d5f1
199.138.213.242 0:0:0:0:0:ffff:c78a:d5f2
199.138.213.243 0:0:0:0:0:ffff:c78a:d5f3
199.138.213.244 0:0:0:0:0:ffff:c78a:d5f4
199.138.213.245 0:0:0:0:0:ffff:c78a:d5f5
199.138.213.246 0:0:0:0:0:ffff:c78a:d5f6
199.138.213.247 0:0:0:0:0:ffff:c78a:d5f7
199.138.213.248 0:0:0:0:0:ffff:c78a:d5f8
199.138.213.249 0:0:0:0:0:ffff:c78a:d5f9
199.138.213.250 0:0:0:0:0:ffff:c78a:d5fa
199.138.213.251 0:0:0:0:0:ffff:c78a:d5fb
199.138.213.252 0:0:0:0:0:ffff:c78a:d5fc
199.138.213.253 0:0:0:0:0:ffff:c78a:d5fd
199.138.213.254 0:0:0:0:0:ffff:c78a:d5fe
199.138.213.255 0:0:0:0:0:ffff:c78a:d5ff


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.