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
19.73.165.1 0:0:0:0:0:ffff:1349:a501
19.73.165.2 0:0:0:0:0:ffff:1349:a502
19.73.165.3 0:0:0:0:0:ffff:1349:a503
19.73.165.4 0:0:0:0:0:ffff:1349:a504
19.73.165.5 0:0:0:0:0:ffff:1349:a505
19.73.165.6 0:0:0:0:0:ffff:1349:a506
19.73.165.7 0:0:0:0:0:ffff:1349:a507
19.73.165.8 0:0:0:0:0:ffff:1349:a508
19.73.165.9 0:0:0:0:0:ffff:1349:a509
19.73.165.10 0:0:0:0:0:ffff:1349:a50a
19.73.165.11 0:0:0:0:0:ffff:1349:a50b
19.73.165.12 0:0:0:0:0:ffff:1349:a50c
19.73.165.13 0:0:0:0:0:ffff:1349:a50d
19.73.165.14 0:0:0:0:0:ffff:1349:a50e
19.73.165.15 0:0:0:0:0:ffff:1349:a50f
19.73.165.16 0:0:0:0:0:ffff:1349:a510
19.73.165.17 0:0:0:0:0:ffff:1349:a511
19.73.165.18 0:0:0:0:0:ffff:1349:a512
19.73.165.19 0:0:0:0:0:ffff:1349:a513
19.73.165.20 0:0:0:0:0:ffff:1349:a514
19.73.165.21 0:0:0:0:0:ffff:1349:a515
19.73.165.22 0:0:0:0:0:ffff:1349:a516
19.73.165.23 0:0:0:0:0:ffff:1349:a517
19.73.165.24 0:0:0:0:0:ffff:1349:a518
19.73.165.25 0:0:0:0:0:ffff:1349:a519
19.73.165.26 0:0:0:0:0:ffff:1349:a51a
19.73.165.27 0:0:0:0:0:ffff:1349:a51b
19.73.165.28 0:0:0:0:0:ffff:1349:a51c
19.73.165.29 0:0:0:0:0:ffff:1349:a51d
19.73.165.30 0:0:0:0:0:ffff:1349:a51e
19.73.165.31 0:0:0:0:0:ffff:1349:a51f
19.73.165.32 0:0:0:0:0:ffff:1349:a520
19.73.165.33 0:0:0:0:0:ffff:1349:a521
19.73.165.34 0:0:0:0:0:ffff:1349:a522
19.73.165.35 0:0:0:0:0:ffff:1349:a523
19.73.165.36 0:0:0:0:0:ffff:1349:a524
19.73.165.37 0:0:0:0:0:ffff:1349:a525
19.73.165.38 0:0:0:0:0:ffff:1349:a526
19.73.165.39 0:0:0:0:0:ffff:1349:a527
19.73.165.40 0:0:0:0:0:ffff:1349:a528
19.73.165.41 0:0:0:0:0:ffff:1349:a529
19.73.165.42 0:0:0:0:0:ffff:1349:a52a
19.73.165.43 0:0:0:0:0:ffff:1349:a52b
19.73.165.44 0:0:0:0:0:ffff:1349:a52c
19.73.165.45 0:0:0:0:0:ffff:1349:a52d
19.73.165.46 0:0:0:0:0:ffff:1349:a52e
19.73.165.47 0:0:0:0:0:ffff:1349:a52f
19.73.165.48 0:0:0:0:0:ffff:1349:a530
19.73.165.49 0:0:0:0:0:ffff:1349:a531
19.73.165.50 0:0:0:0:0:ffff:1349:a532
19.73.165.51 0:0:0:0:0:ffff:1349:a533
19.73.165.52 0:0:0:0:0:ffff:1349:a534
19.73.165.53 0:0:0:0:0:ffff:1349:a535
19.73.165.54 0:0:0:0:0:ffff:1349:a536
19.73.165.55 0:0:0:0:0:ffff:1349:a537
19.73.165.56 0:0:0:0:0:ffff:1349:a538
19.73.165.57 0:0:0:0:0:ffff:1349:a539
19.73.165.58 0:0:0:0:0:ffff:1349:a53a
19.73.165.59 0:0:0:0:0:ffff:1349:a53b
19.73.165.60 0:0:0:0:0:ffff:1349:a53c


19.73.165.61 0:0:0:0:0:ffff:1349:a53d
19.73.165.62 0:0:0:0:0:ffff:1349:a53e
19.73.165.63 0:0:0:0:0:ffff:1349:a53f
19.73.165.64 0:0:0:0:0:ffff:1349:a540
19.73.165.65 0:0:0:0:0:ffff:1349:a541
19.73.165.66 0:0:0:0:0:ffff:1349:a542
19.73.165.67 0:0:0:0:0:ffff:1349:a543
19.73.165.68 0:0:0:0:0:ffff:1349:a544
19.73.165.69 0:0:0:0:0:ffff:1349:a545
19.73.165.70 0:0:0:0:0:ffff:1349:a546
19.73.165.71 0:0:0:0:0:ffff:1349:a547
19.73.165.72 0:0:0:0:0:ffff:1349:a548
19.73.165.73 0:0:0:0:0:ffff:1349:a549
19.73.165.74 0:0:0:0:0:ffff:1349:a54a
19.73.165.75 0:0:0:0:0:ffff:1349:a54b
19.73.165.76 0:0:0:0:0:ffff:1349:a54c
19.73.165.77 0:0:0:0:0:ffff:1349:a54d
19.73.165.78 0:0:0:0:0:ffff:1349:a54e
19.73.165.79 0:0:0:0:0:ffff:1349:a54f
19.73.165.80 0:0:0:0:0:ffff:1349:a550
19.73.165.81 0:0:0:0:0:ffff:1349:a551
19.73.165.82 0:0:0:0:0:ffff:1349:a552
19.73.165.83 0:0:0:0:0:ffff:1349:a553
19.73.165.84 0:0:0:0:0:ffff:1349:a554
19.73.165.85 0:0:0:0:0:ffff:1349:a555
19.73.165.86 0:0:0:0:0:ffff:1349:a556
19.73.165.87 0:0:0:0:0:ffff:1349:a557
19.73.165.88 0:0:0:0:0:ffff:1349:a558
19.73.165.89 0:0:0:0:0:ffff:1349:a559
19.73.165.90 0:0:0:0:0:ffff:1349:a55a
19.73.165.91 0:0:0:0:0:ffff:1349:a55b
19.73.165.92 0:0:0:0:0:ffff:1349:a55c
19.73.165.93 0:0:0:0:0:ffff:1349:a55d
19.73.165.94 0:0:0:0:0:ffff:1349:a55e
19.73.165.95 0:0:0:0:0:ffff:1349:a55f
19.73.165.96 0:0:0:0:0:ffff:1349:a560
19.73.165.97 0:0:0:0:0:ffff:1349:a561
19.73.165.98 0:0:0:0:0:ffff:1349:a562
19.73.165.99 0:0:0:0:0:ffff:1349:a563
19.73.165.100 0:0:0:0:0:ffff:1349:a564
19.73.165.101 0:0:0:0:0:ffff:1349:a565
19.73.165.102 0:0:0:0:0:ffff:1349:a566
19.73.165.103 0:0:0:0:0:ffff:1349:a567
19.73.165.104 0:0:0:0:0:ffff:1349:a568
19.73.165.105 0:0:0:0:0:ffff:1349:a569
19.73.165.106 0:0:0:0:0:ffff:1349:a56a
19.73.165.107 0:0:0:0:0:ffff:1349:a56b
19.73.165.108 0:0:0:0:0:ffff:1349:a56c
19.73.165.109 0:0:0:0:0:ffff:1349:a56d
19.73.165.110 0:0:0:0:0:ffff:1349:a56e
19.73.165.111 0:0:0:0:0:ffff:1349:a56f
19.73.165.112 0:0:0:0:0:ffff:1349:a570
19.73.165.113 0:0:0:0:0:ffff:1349:a571
19.73.165.114 0:0:0:0:0:ffff:1349:a572
19.73.165.115 0:0:0:0:0:ffff:1349:a573
19.73.165.116 0:0:0:0:0:ffff:1349:a574
19.73.165.117 0:0:0:0:0:ffff:1349:a575
19.73.165.118 0:0:0:0:0:ffff:1349:a576
19.73.165.119 0:0:0:0:0:ffff:1349:a577
19.73.165.120 0:0:0:0:0:ffff:1349:a578


19.73.165.121 0:0:0:0:0:ffff:1349:a579
19.73.165.122 0:0:0:0:0:ffff:1349:a57a
19.73.165.123 0:0:0:0:0:ffff:1349:a57b
19.73.165.124 0:0:0:0:0:ffff:1349:a57c
19.73.165.125 0:0:0:0:0:ffff:1349:a57d
19.73.165.126 0:0:0:0:0:ffff:1349:a57e
19.73.165.127 0:0:0:0:0:ffff:1349:a57f
19.73.165.128 0:0:0:0:0:ffff:1349:a580
19.73.165.129 0:0:0:0:0:ffff:1349:a581
19.73.165.130 0:0:0:0:0:ffff:1349:a582
19.73.165.131 0:0:0:0:0:ffff:1349:a583
19.73.165.132 0:0:0:0:0:ffff:1349:a584
19.73.165.133 0:0:0:0:0:ffff:1349:a585
19.73.165.134 0:0:0:0:0:ffff:1349:a586
19.73.165.135 0:0:0:0:0:ffff:1349:a587
19.73.165.136 0:0:0:0:0:ffff:1349:a588
19.73.165.137 0:0:0:0:0:ffff:1349:a589
19.73.165.138 0:0:0:0:0:ffff:1349:a58a
19.73.165.139 0:0:0:0:0:ffff:1349:a58b
19.73.165.140 0:0:0:0:0:ffff:1349:a58c
19.73.165.141 0:0:0:0:0:ffff:1349:a58d
19.73.165.142 0:0:0:0:0:ffff:1349:a58e
19.73.165.143 0:0:0:0:0:ffff:1349:a58f
19.73.165.144 0:0:0:0:0:ffff:1349:a590
19.73.165.145 0:0:0:0:0:ffff:1349:a591
19.73.165.146 0:0:0:0:0:ffff:1349:a592
19.73.165.147 0:0:0:0:0:ffff:1349:a593
19.73.165.148 0:0:0:0:0:ffff:1349:a594
19.73.165.149 0:0:0:0:0:ffff:1349:a595
19.73.165.150 0:0:0:0:0:ffff:1349:a596
19.73.165.151 0:0:0:0:0:ffff:1349:a597
19.73.165.152 0:0:0:0:0:ffff:1349:a598
19.73.165.153 0:0:0:0:0:ffff:1349:a599
19.73.165.154 0:0:0:0:0:ffff:1349:a59a
19.73.165.155 0:0:0:0:0:ffff:1349:a59b
19.73.165.156 0:0:0:0:0:ffff:1349:a59c
19.73.165.157 0:0:0:0:0:ffff:1349:a59d
19.73.165.158 0:0:0:0:0:ffff:1349:a59e
19.73.165.159 0:0:0:0:0:ffff:1349:a59f
19.73.165.160 0:0:0:0:0:ffff:1349:a5a0
19.73.165.161 0:0:0:0:0:ffff:1349:a5a1
19.73.165.162 0:0:0:0:0:ffff:1349:a5a2
19.73.165.163 0:0:0:0:0:ffff:1349:a5a3
19.73.165.164 0:0:0:0:0:ffff:1349:a5a4
19.73.165.165 0:0:0:0:0:ffff:1349:a5a5
19.73.165.166 0:0:0:0:0:ffff:1349:a5a6
19.73.165.167 0:0:0:0:0:ffff:1349:a5a7
19.73.165.168 0:0:0:0:0:ffff:1349:a5a8
19.73.165.169 0:0:0:0:0:ffff:1349:a5a9
19.73.165.170 0:0:0:0:0:ffff:1349:a5aa
19.73.165.171 0:0:0:0:0:ffff:1349:a5ab
19.73.165.172 0:0:0:0:0:ffff:1349:a5ac
19.73.165.173 0:0:0:0:0:ffff:1349:a5ad
19.73.165.174 0:0:0:0:0:ffff:1349:a5ae
19.73.165.175 0:0:0:0:0:ffff:1349:a5af
19.73.165.176 0:0:0:0:0:ffff:1349:a5b0
19.73.165.177 0:0:0:0:0:ffff:1349:a5b1
19.73.165.178 0:0:0:0:0:ffff:1349:a5b2
19.73.165.179 0:0:0:0:0:ffff:1349:a5b3
19.73.165.180 0:0:0:0:0:ffff:1349:a5b4


19.73.165.181 0:0:0:0:0:ffff:1349:a5b5
19.73.165.182 0:0:0:0:0:ffff:1349:a5b6
19.73.165.183 0:0:0:0:0:ffff:1349:a5b7
19.73.165.184 0:0:0:0:0:ffff:1349:a5b8
19.73.165.185 0:0:0:0:0:ffff:1349:a5b9
19.73.165.186 0:0:0:0:0:ffff:1349:a5ba
19.73.165.187 0:0:0:0:0:ffff:1349:a5bb
19.73.165.188 0:0:0:0:0:ffff:1349:a5bc
19.73.165.189 0:0:0:0:0:ffff:1349:a5bd
19.73.165.190 0:0:0:0:0:ffff:1349:a5be
19.73.165.191 0:0:0:0:0:ffff:1349:a5bf
19.73.165.192 0:0:0:0:0:ffff:1349:a5c0
19.73.165.193 0:0:0:0:0:ffff:1349:a5c1
19.73.165.194 0:0:0:0:0:ffff:1349:a5c2
19.73.165.195 0:0:0:0:0:ffff:1349:a5c3
19.73.165.196 0:0:0:0:0:ffff:1349:a5c4
19.73.165.197 0:0:0:0:0:ffff:1349:a5c5
19.73.165.198 0:0:0:0:0:ffff:1349:a5c6
19.73.165.199 0:0:0:0:0:ffff:1349:a5c7
19.73.165.200 0:0:0:0:0:ffff:1349:a5c8
19.73.165.201 0:0:0:0:0:ffff:1349:a5c9
19.73.165.202 0:0:0:0:0:ffff:1349:a5ca
19.73.165.203 0:0:0:0:0:ffff:1349:a5cb
19.73.165.204 0:0:0:0:0:ffff:1349:a5cc
19.73.165.205 0:0:0:0:0:ffff:1349:a5cd
19.73.165.206 0:0:0:0:0:ffff:1349:a5ce
19.73.165.207 0:0:0:0:0:ffff:1349:a5cf
19.73.165.208 0:0:0:0:0:ffff:1349:a5d0
19.73.165.209 0:0:0:0:0:ffff:1349:a5d1
19.73.165.210 0:0:0:0:0:ffff:1349:a5d2
19.73.165.211 0:0:0:0:0:ffff:1349:a5d3
19.73.165.212 0:0:0:0:0:ffff:1349:a5d4
19.73.165.213 0:0:0:0:0:ffff:1349:a5d5
19.73.165.214 0:0:0:0:0:ffff:1349:a5d6
19.73.165.215 0:0:0:0:0:ffff:1349:a5d7
19.73.165.216 0:0:0:0:0:ffff:1349:a5d8
19.73.165.217 0:0:0:0:0:ffff:1349:a5d9
19.73.165.218 0:0:0:0:0:ffff:1349:a5da
19.73.165.219 0:0:0:0:0:ffff:1349:a5db
19.73.165.220 0:0:0:0:0:ffff:1349:a5dc
19.73.165.221 0:0:0:0:0:ffff:1349:a5dd
19.73.165.222 0:0:0:0:0:ffff:1349:a5de
19.73.165.223 0:0:0:0:0:ffff:1349:a5df
19.73.165.224 0:0:0:0:0:ffff:1349:a5e0
19.73.165.225 0:0:0:0:0:ffff:1349:a5e1
19.73.165.226 0:0:0:0:0:ffff:1349:a5e2
19.73.165.227 0:0:0:0:0:ffff:1349:a5e3
19.73.165.228 0:0:0:0:0:ffff:1349:a5e4
19.73.165.229 0:0:0:0:0:ffff:1349:a5e5
19.73.165.230 0:0:0:0:0:ffff:1349:a5e6
19.73.165.231 0:0:0:0:0:ffff:1349:a5e7
19.73.165.232 0:0:0:0:0:ffff:1349:a5e8
19.73.165.233 0:0:0:0:0:ffff:1349:a5e9
19.73.165.234 0:0:0:0:0:ffff:1349:a5ea
19.73.165.235 0:0:0:0:0:ffff:1349:a5eb
19.73.165.236 0:0:0:0:0:ffff:1349:a5ec
19.73.165.237 0:0:0:0:0:ffff:1349:a5ed
19.73.165.238 0:0:0:0:0:ffff:1349:a5ee
19.73.165.239 0:0:0:0:0:ffff:1349:a5ef
19.73.165.240 0:0:0:0:0:ffff:1349:a5f0
19.73.165.241 0:0:0:0:0:ffff:1349:a5f1
19.73.165.242 0:0:0:0:0:ffff:1349:a5f2
19.73.165.243 0:0:0:0:0:ffff:1349:a5f3
19.73.165.244 0:0:0:0:0:ffff:1349:a5f4
19.73.165.245 0:0:0:0:0:ffff:1349:a5f5
19.73.165.246 0:0:0:0:0:ffff:1349:a5f6
19.73.165.247 0:0:0:0:0:ffff:1349:a5f7
19.73.165.248 0:0:0:0:0:ffff:1349:a5f8
19.73.165.249 0:0:0:0:0:ffff:1349:a5f9
19.73.165.250 0:0:0:0:0:ffff:1349:a5fa
19.73.165.251 0:0:0:0:0:ffff:1349:a5fb
19.73.165.252 0:0:0:0:0:ffff:1349:a5fc
19.73.165.253 0:0:0:0:0:ffff:1349:a5fd
19.73.165.254 0:0:0:0:0:ffff:1349:a5fe
19.73.165.255 0:0:0:0:0:ffff:1349:a5ff


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.