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
127.73.165.1 0:0:0:0:0:ffff:7f49:a501
127.73.165.2 0:0:0:0:0:ffff:7f49:a502
127.73.165.3 0:0:0:0:0:ffff:7f49:a503
127.73.165.4 0:0:0:0:0:ffff:7f49:a504
127.73.165.5 0:0:0:0:0:ffff:7f49:a505
127.73.165.6 0:0:0:0:0:ffff:7f49:a506
127.73.165.7 0:0:0:0:0:ffff:7f49:a507
127.73.165.8 0:0:0:0:0:ffff:7f49:a508
127.73.165.9 0:0:0:0:0:ffff:7f49:a509
127.73.165.10 0:0:0:0:0:ffff:7f49:a50a
127.73.165.11 0:0:0:0:0:ffff:7f49:a50b
127.73.165.12 0:0:0:0:0:ffff:7f49:a50c
127.73.165.13 0:0:0:0:0:ffff:7f49:a50d
127.73.165.14 0:0:0:0:0:ffff:7f49:a50e
127.73.165.15 0:0:0:0:0:ffff:7f49:a50f
127.73.165.16 0:0:0:0:0:ffff:7f49:a510
127.73.165.17 0:0:0:0:0:ffff:7f49:a511
127.73.165.18 0:0:0:0:0:ffff:7f49:a512
127.73.165.19 0:0:0:0:0:ffff:7f49:a513
127.73.165.20 0:0:0:0:0:ffff:7f49:a514
127.73.165.21 0:0:0:0:0:ffff:7f49:a515
127.73.165.22 0:0:0:0:0:ffff:7f49:a516
127.73.165.23 0:0:0:0:0:ffff:7f49:a517
127.73.165.24 0:0:0:0:0:ffff:7f49:a518
127.73.165.25 0:0:0:0:0:ffff:7f49:a519
127.73.165.26 0:0:0:0:0:ffff:7f49:a51a
127.73.165.27 0:0:0:0:0:ffff:7f49:a51b
127.73.165.28 0:0:0:0:0:ffff:7f49:a51c
127.73.165.29 0:0:0:0:0:ffff:7f49:a51d
127.73.165.30 0:0:0:0:0:ffff:7f49:a51e
127.73.165.31 0:0:0:0:0:ffff:7f49:a51f
127.73.165.32 0:0:0:0:0:ffff:7f49:a520
127.73.165.33 0:0:0:0:0:ffff:7f49:a521
127.73.165.34 0:0:0:0:0:ffff:7f49:a522
127.73.165.35 0:0:0:0:0:ffff:7f49:a523
127.73.165.36 0:0:0:0:0:ffff:7f49:a524
127.73.165.37 0:0:0:0:0:ffff:7f49:a525
127.73.165.38 0:0:0:0:0:ffff:7f49:a526
127.73.165.39 0:0:0:0:0:ffff:7f49:a527
127.73.165.40 0:0:0:0:0:ffff:7f49:a528
127.73.165.41 0:0:0:0:0:ffff:7f49:a529
127.73.165.42 0:0:0:0:0:ffff:7f49:a52a
127.73.165.43 0:0:0:0:0:ffff:7f49:a52b
127.73.165.44 0:0:0:0:0:ffff:7f49:a52c
127.73.165.45 0:0:0:0:0:ffff:7f49:a52d
127.73.165.46 0:0:0:0:0:ffff:7f49:a52e
127.73.165.47 0:0:0:0:0:ffff:7f49:a52f
127.73.165.48 0:0:0:0:0:ffff:7f49:a530
127.73.165.49 0:0:0:0:0:ffff:7f49:a531
127.73.165.50 0:0:0:0:0:ffff:7f49:a532
127.73.165.51 0:0:0:0:0:ffff:7f49:a533
127.73.165.52 0:0:0:0:0:ffff:7f49:a534
127.73.165.53 0:0:0:0:0:ffff:7f49:a535
127.73.165.54 0:0:0:0:0:ffff:7f49:a536
127.73.165.55 0:0:0:0:0:ffff:7f49:a537
127.73.165.56 0:0:0:0:0:ffff:7f49:a538
127.73.165.57 0:0:0:0:0:ffff:7f49:a539
127.73.165.58 0:0:0:0:0:ffff:7f49:a53a
127.73.165.59 0:0:0:0:0:ffff:7f49:a53b
127.73.165.60 0:0:0:0:0:ffff:7f49:a53c


127.73.165.61 0:0:0:0:0:ffff:7f49:a53d
127.73.165.62 0:0:0:0:0:ffff:7f49:a53e
127.73.165.63 0:0:0:0:0:ffff:7f49:a53f
127.73.165.64 0:0:0:0:0:ffff:7f49:a540
127.73.165.65 0:0:0:0:0:ffff:7f49:a541
127.73.165.66 0:0:0:0:0:ffff:7f49:a542
127.73.165.67 0:0:0:0:0:ffff:7f49:a543
127.73.165.68 0:0:0:0:0:ffff:7f49:a544
127.73.165.69 0:0:0:0:0:ffff:7f49:a545
127.73.165.70 0:0:0:0:0:ffff:7f49:a546
127.73.165.71 0:0:0:0:0:ffff:7f49:a547
127.73.165.72 0:0:0:0:0:ffff:7f49:a548
127.73.165.73 0:0:0:0:0:ffff:7f49:a549
127.73.165.74 0:0:0:0:0:ffff:7f49:a54a
127.73.165.75 0:0:0:0:0:ffff:7f49:a54b
127.73.165.76 0:0:0:0:0:ffff:7f49:a54c
127.73.165.77 0:0:0:0:0:ffff:7f49:a54d
127.73.165.78 0:0:0:0:0:ffff:7f49:a54e
127.73.165.79 0:0:0:0:0:ffff:7f49:a54f
127.73.165.80 0:0:0:0:0:ffff:7f49:a550
127.73.165.81 0:0:0:0:0:ffff:7f49:a551
127.73.165.82 0:0:0:0:0:ffff:7f49:a552
127.73.165.83 0:0:0:0:0:ffff:7f49:a553
127.73.165.84 0:0:0:0:0:ffff:7f49:a554
127.73.165.85 0:0:0:0:0:ffff:7f49:a555
127.73.165.86 0:0:0:0:0:ffff:7f49:a556
127.73.165.87 0:0:0:0:0:ffff:7f49:a557
127.73.165.88 0:0:0:0:0:ffff:7f49:a558
127.73.165.89 0:0:0:0:0:ffff:7f49:a559
127.73.165.90 0:0:0:0:0:ffff:7f49:a55a
127.73.165.91 0:0:0:0:0:ffff:7f49:a55b
127.73.165.92 0:0:0:0:0:ffff:7f49:a55c
127.73.165.93 0:0:0:0:0:ffff:7f49:a55d
127.73.165.94 0:0:0:0:0:ffff:7f49:a55e
127.73.165.95 0:0:0:0:0:ffff:7f49:a55f
127.73.165.96 0:0:0:0:0:ffff:7f49:a560
127.73.165.97 0:0:0:0:0:ffff:7f49:a561
127.73.165.98 0:0:0:0:0:ffff:7f49:a562
127.73.165.99 0:0:0:0:0:ffff:7f49:a563
127.73.165.100 0:0:0:0:0:ffff:7f49:a564
127.73.165.101 0:0:0:0:0:ffff:7f49:a565
127.73.165.102 0:0:0:0:0:ffff:7f49:a566
127.73.165.103 0:0:0:0:0:ffff:7f49:a567
127.73.165.104 0:0:0:0:0:ffff:7f49:a568
127.73.165.105 0:0:0:0:0:ffff:7f49:a569
127.73.165.106 0:0:0:0:0:ffff:7f49:a56a
127.73.165.107 0:0:0:0:0:ffff:7f49:a56b
127.73.165.108 0:0:0:0:0:ffff:7f49:a56c
127.73.165.109 0:0:0:0:0:ffff:7f49:a56d
127.73.165.110 0:0:0:0:0:ffff:7f49:a56e
127.73.165.111 0:0:0:0:0:ffff:7f49:a56f
127.73.165.112 0:0:0:0:0:ffff:7f49:a570
127.73.165.113 0:0:0:0:0:ffff:7f49:a571
127.73.165.114 0:0:0:0:0:ffff:7f49:a572
127.73.165.115 0:0:0:0:0:ffff:7f49:a573
127.73.165.116 0:0:0:0:0:ffff:7f49:a574
127.73.165.117 0:0:0:0:0:ffff:7f49:a575
127.73.165.118 0:0:0:0:0:ffff:7f49:a576
127.73.165.119 0:0:0:0:0:ffff:7f49:a577
127.73.165.120 0:0:0:0:0:ffff:7f49:a578


127.73.165.121 0:0:0:0:0:ffff:7f49:a579
127.73.165.122 0:0:0:0:0:ffff:7f49:a57a
127.73.165.123 0:0:0:0:0:ffff:7f49:a57b
127.73.165.124 0:0:0:0:0:ffff:7f49:a57c
127.73.165.125 0:0:0:0:0:ffff:7f49:a57d
127.73.165.126 0:0:0:0:0:ffff:7f49:a57e
127.73.165.127 0:0:0:0:0:ffff:7f49:a57f
127.73.165.128 0:0:0:0:0:ffff:7f49:a580
127.73.165.129 0:0:0:0:0:ffff:7f49:a581
127.73.165.130 0:0:0:0:0:ffff:7f49:a582
127.73.165.131 0:0:0:0:0:ffff:7f49:a583
127.73.165.132 0:0:0:0:0:ffff:7f49:a584
127.73.165.133 0:0:0:0:0:ffff:7f49:a585
127.73.165.134 0:0:0:0:0:ffff:7f49:a586
127.73.165.135 0:0:0:0:0:ffff:7f49:a587
127.73.165.136 0:0:0:0:0:ffff:7f49:a588
127.73.165.137 0:0:0:0:0:ffff:7f49:a589
127.73.165.138 0:0:0:0:0:ffff:7f49:a58a
127.73.165.139 0:0:0:0:0:ffff:7f49:a58b
127.73.165.140 0:0:0:0:0:ffff:7f49:a58c
127.73.165.141 0:0:0:0:0:ffff:7f49:a58d
127.73.165.142 0:0:0:0:0:ffff:7f49:a58e
127.73.165.143 0:0:0:0:0:ffff:7f49:a58f
127.73.165.144 0:0:0:0:0:ffff:7f49:a590
127.73.165.145 0:0:0:0:0:ffff:7f49:a591
127.73.165.146 0:0:0:0:0:ffff:7f49:a592
127.73.165.147 0:0:0:0:0:ffff:7f49:a593
127.73.165.148 0:0:0:0:0:ffff:7f49:a594
127.73.165.149 0:0:0:0:0:ffff:7f49:a595
127.73.165.150 0:0:0:0:0:ffff:7f49:a596
127.73.165.151 0:0:0:0:0:ffff:7f49:a597
127.73.165.152 0:0:0:0:0:ffff:7f49:a598
127.73.165.153 0:0:0:0:0:ffff:7f49:a599
127.73.165.154 0:0:0:0:0:ffff:7f49:a59a
127.73.165.155 0:0:0:0:0:ffff:7f49:a59b
127.73.165.156 0:0:0:0:0:ffff:7f49:a59c
127.73.165.157 0:0:0:0:0:ffff:7f49:a59d
127.73.165.158 0:0:0:0:0:ffff:7f49:a59e
127.73.165.159 0:0:0:0:0:ffff:7f49:a59f
127.73.165.160 0:0:0:0:0:ffff:7f49:a5a0
127.73.165.161 0:0:0:0:0:ffff:7f49:a5a1
127.73.165.162 0:0:0:0:0:ffff:7f49:a5a2
127.73.165.163 0:0:0:0:0:ffff:7f49:a5a3
127.73.165.164 0:0:0:0:0:ffff:7f49:a5a4
127.73.165.165 0:0:0:0:0:ffff:7f49:a5a5
127.73.165.166 0:0:0:0:0:ffff:7f49:a5a6
127.73.165.167 0:0:0:0:0:ffff:7f49:a5a7
127.73.165.168 0:0:0:0:0:ffff:7f49:a5a8
127.73.165.169 0:0:0:0:0:ffff:7f49:a5a9
127.73.165.170 0:0:0:0:0:ffff:7f49:a5aa
127.73.165.171 0:0:0:0:0:ffff:7f49:a5ab
127.73.165.172 0:0:0:0:0:ffff:7f49:a5ac
127.73.165.173 0:0:0:0:0:ffff:7f49:a5ad
127.73.165.174 0:0:0:0:0:ffff:7f49:a5ae
127.73.165.175 0:0:0:0:0:ffff:7f49:a5af
127.73.165.176 0:0:0:0:0:ffff:7f49:a5b0
127.73.165.177 0:0:0:0:0:ffff:7f49:a5b1
127.73.165.178 0:0:0:0:0:ffff:7f49:a5b2
127.73.165.179 0:0:0:0:0:ffff:7f49:a5b3
127.73.165.180 0:0:0:0:0:ffff:7f49:a5b4


127.73.165.181 0:0:0:0:0:ffff:7f49:a5b5
127.73.165.182 0:0:0:0:0:ffff:7f49:a5b6
127.73.165.183 0:0:0:0:0:ffff:7f49:a5b7
127.73.165.184 0:0:0:0:0:ffff:7f49:a5b8
127.73.165.185 0:0:0:0:0:ffff:7f49:a5b9
127.73.165.186 0:0:0:0:0:ffff:7f49:a5ba
127.73.165.187 0:0:0:0:0:ffff:7f49:a5bb
127.73.165.188 0:0:0:0:0:ffff:7f49:a5bc
127.73.165.189 0:0:0:0:0:ffff:7f49:a5bd
127.73.165.190 0:0:0:0:0:ffff:7f49:a5be
127.73.165.191 0:0:0:0:0:ffff:7f49:a5bf
127.73.165.192 0:0:0:0:0:ffff:7f49:a5c0
127.73.165.193 0:0:0:0:0:ffff:7f49:a5c1
127.73.165.194 0:0:0:0:0:ffff:7f49:a5c2
127.73.165.195 0:0:0:0:0:ffff:7f49:a5c3
127.73.165.196 0:0:0:0:0:ffff:7f49:a5c4
127.73.165.197 0:0:0:0:0:ffff:7f49:a5c5
127.73.165.198 0:0:0:0:0:ffff:7f49:a5c6
127.73.165.199 0:0:0:0:0:ffff:7f49:a5c7
127.73.165.200 0:0:0:0:0:ffff:7f49:a5c8
127.73.165.201 0:0:0:0:0:ffff:7f49:a5c9
127.73.165.202 0:0:0:0:0:ffff:7f49:a5ca
127.73.165.203 0:0:0:0:0:ffff:7f49:a5cb
127.73.165.204 0:0:0:0:0:ffff:7f49:a5cc
127.73.165.205 0:0:0:0:0:ffff:7f49:a5cd
127.73.165.206 0:0:0:0:0:ffff:7f49:a5ce
127.73.165.207 0:0:0:0:0:ffff:7f49:a5cf
127.73.165.208 0:0:0:0:0:ffff:7f49:a5d0
127.73.165.209 0:0:0:0:0:ffff:7f49:a5d1
127.73.165.210 0:0:0:0:0:ffff:7f49:a5d2
127.73.165.211 0:0:0:0:0:ffff:7f49:a5d3
127.73.165.212 0:0:0:0:0:ffff:7f49:a5d4
127.73.165.213 0:0:0:0:0:ffff:7f49:a5d5
127.73.165.214 0:0:0:0:0:ffff:7f49:a5d6
127.73.165.215 0:0:0:0:0:ffff:7f49:a5d7
127.73.165.216 0:0:0:0:0:ffff:7f49:a5d8
127.73.165.217 0:0:0:0:0:ffff:7f49:a5d9
127.73.165.218 0:0:0:0:0:ffff:7f49:a5da
127.73.165.219 0:0:0:0:0:ffff:7f49:a5db
127.73.165.220 0:0:0:0:0:ffff:7f49:a5dc
127.73.165.221 0:0:0:0:0:ffff:7f49:a5dd
127.73.165.222 0:0:0:0:0:ffff:7f49:a5de
127.73.165.223 0:0:0:0:0:ffff:7f49:a5df
127.73.165.224 0:0:0:0:0:ffff:7f49:a5e0
127.73.165.225 0:0:0:0:0:ffff:7f49:a5e1
127.73.165.226 0:0:0:0:0:ffff:7f49:a5e2
127.73.165.227 0:0:0:0:0:ffff:7f49:a5e3
127.73.165.228 0:0:0:0:0:ffff:7f49:a5e4
127.73.165.229 0:0:0:0:0:ffff:7f49:a5e5
127.73.165.230 0:0:0:0:0:ffff:7f49:a5e6
127.73.165.231 0:0:0:0:0:ffff:7f49:a5e7
127.73.165.232 0:0:0:0:0:ffff:7f49:a5e8
127.73.165.233 0:0:0:0:0:ffff:7f49:a5e9
127.73.165.234 0:0:0:0:0:ffff:7f49:a5ea
127.73.165.235 0:0:0:0:0:ffff:7f49:a5eb
127.73.165.236 0:0:0:0:0:ffff:7f49:a5ec
127.73.165.237 0:0:0:0:0:ffff:7f49:a5ed
127.73.165.238 0:0:0:0:0:ffff:7f49:a5ee
127.73.165.239 0:0:0:0:0:ffff:7f49:a5ef
127.73.165.240 0:0:0:0:0:ffff:7f49:a5f0
127.73.165.241 0:0:0:0:0:ffff:7f49:a5f1
127.73.165.242 0:0:0:0:0:ffff:7f49:a5f2
127.73.165.243 0:0:0:0:0:ffff:7f49:a5f3
127.73.165.244 0:0:0:0:0:ffff:7f49:a5f4
127.73.165.245 0:0:0:0:0:ffff:7f49:a5f5
127.73.165.246 0:0:0:0:0:ffff:7f49:a5f6
127.73.165.247 0:0:0:0:0:ffff:7f49:a5f7
127.73.165.248 0:0:0:0:0:ffff:7f49:a5f8
127.73.165.249 0:0:0:0:0:ffff:7f49:a5f9
127.73.165.250 0:0:0:0:0:ffff:7f49:a5fa
127.73.165.251 0:0:0:0:0:ffff:7f49:a5fb
127.73.165.252 0:0:0:0:0:ffff:7f49:a5fc
127.73.165.253 0:0:0:0:0:ffff:7f49:a5fd
127.73.165.254 0:0:0:0:0:ffff:7f49:a5fe
127.73.165.255 0:0:0:0:0:ffff:7f49: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.