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
72.72.133.1 0:0:0:0:0:ffff:4848:8501
72.72.133.2 0:0:0:0:0:ffff:4848:8502
72.72.133.3 0:0:0:0:0:ffff:4848:8503
72.72.133.4 0:0:0:0:0:ffff:4848:8504
72.72.133.5 0:0:0:0:0:ffff:4848:8505
72.72.133.6 0:0:0:0:0:ffff:4848:8506
72.72.133.7 0:0:0:0:0:ffff:4848:8507
72.72.133.8 0:0:0:0:0:ffff:4848:8508
72.72.133.9 0:0:0:0:0:ffff:4848:8509
72.72.133.10 0:0:0:0:0:ffff:4848:850a
72.72.133.11 0:0:0:0:0:ffff:4848:850b
72.72.133.12 0:0:0:0:0:ffff:4848:850c
72.72.133.13 0:0:0:0:0:ffff:4848:850d
72.72.133.14 0:0:0:0:0:ffff:4848:850e
72.72.133.15 0:0:0:0:0:ffff:4848:850f
72.72.133.16 0:0:0:0:0:ffff:4848:8510
72.72.133.17 0:0:0:0:0:ffff:4848:8511
72.72.133.18 0:0:0:0:0:ffff:4848:8512
72.72.133.19 0:0:0:0:0:ffff:4848:8513
72.72.133.20 0:0:0:0:0:ffff:4848:8514
72.72.133.21 0:0:0:0:0:ffff:4848:8515
72.72.133.22 0:0:0:0:0:ffff:4848:8516
72.72.133.23 0:0:0:0:0:ffff:4848:8517
72.72.133.24 0:0:0:0:0:ffff:4848:8518
72.72.133.25 0:0:0:0:0:ffff:4848:8519
72.72.133.26 0:0:0:0:0:ffff:4848:851a
72.72.133.27 0:0:0:0:0:ffff:4848:851b
72.72.133.28 0:0:0:0:0:ffff:4848:851c
72.72.133.29 0:0:0:0:0:ffff:4848:851d
72.72.133.30 0:0:0:0:0:ffff:4848:851e
72.72.133.31 0:0:0:0:0:ffff:4848:851f
72.72.133.32 0:0:0:0:0:ffff:4848:8520
72.72.133.33 0:0:0:0:0:ffff:4848:8521
72.72.133.34 0:0:0:0:0:ffff:4848:8522
72.72.133.35 0:0:0:0:0:ffff:4848:8523
72.72.133.36 0:0:0:0:0:ffff:4848:8524
72.72.133.37 0:0:0:0:0:ffff:4848:8525
72.72.133.38 0:0:0:0:0:ffff:4848:8526
72.72.133.39 0:0:0:0:0:ffff:4848:8527
72.72.133.40 0:0:0:0:0:ffff:4848:8528
72.72.133.41 0:0:0:0:0:ffff:4848:8529
72.72.133.42 0:0:0:0:0:ffff:4848:852a
72.72.133.43 0:0:0:0:0:ffff:4848:852b
72.72.133.44 0:0:0:0:0:ffff:4848:852c
72.72.133.45 0:0:0:0:0:ffff:4848:852d
72.72.133.46 0:0:0:0:0:ffff:4848:852e
72.72.133.47 0:0:0:0:0:ffff:4848:852f
72.72.133.48 0:0:0:0:0:ffff:4848:8530
72.72.133.49 0:0:0:0:0:ffff:4848:8531
72.72.133.50 0:0:0:0:0:ffff:4848:8532
72.72.133.51 0:0:0:0:0:ffff:4848:8533
72.72.133.52 0:0:0:0:0:ffff:4848:8534
72.72.133.53 0:0:0:0:0:ffff:4848:8535
72.72.133.54 0:0:0:0:0:ffff:4848:8536
72.72.133.55 0:0:0:0:0:ffff:4848:8537
72.72.133.56 0:0:0:0:0:ffff:4848:8538
72.72.133.57 0:0:0:0:0:ffff:4848:8539
72.72.133.58 0:0:0:0:0:ffff:4848:853a
72.72.133.59 0:0:0:0:0:ffff:4848:853b
72.72.133.60 0:0:0:0:0:ffff:4848:853c


72.72.133.61 0:0:0:0:0:ffff:4848:853d
72.72.133.62 0:0:0:0:0:ffff:4848:853e
72.72.133.63 0:0:0:0:0:ffff:4848:853f
72.72.133.64 0:0:0:0:0:ffff:4848:8540
72.72.133.65 0:0:0:0:0:ffff:4848:8541
72.72.133.66 0:0:0:0:0:ffff:4848:8542
72.72.133.67 0:0:0:0:0:ffff:4848:8543
72.72.133.68 0:0:0:0:0:ffff:4848:8544
72.72.133.69 0:0:0:0:0:ffff:4848:8545
72.72.133.70 0:0:0:0:0:ffff:4848:8546
72.72.133.71 0:0:0:0:0:ffff:4848:8547
72.72.133.72 0:0:0:0:0:ffff:4848:8548
72.72.133.73 0:0:0:0:0:ffff:4848:8549
72.72.133.74 0:0:0:0:0:ffff:4848:854a
72.72.133.75 0:0:0:0:0:ffff:4848:854b
72.72.133.76 0:0:0:0:0:ffff:4848:854c
72.72.133.77 0:0:0:0:0:ffff:4848:854d
72.72.133.78 0:0:0:0:0:ffff:4848:854e
72.72.133.79 0:0:0:0:0:ffff:4848:854f
72.72.133.80 0:0:0:0:0:ffff:4848:8550
72.72.133.81 0:0:0:0:0:ffff:4848:8551
72.72.133.82 0:0:0:0:0:ffff:4848:8552
72.72.133.83 0:0:0:0:0:ffff:4848:8553
72.72.133.84 0:0:0:0:0:ffff:4848:8554
72.72.133.85 0:0:0:0:0:ffff:4848:8555
72.72.133.86 0:0:0:0:0:ffff:4848:8556
72.72.133.87 0:0:0:0:0:ffff:4848:8557
72.72.133.88 0:0:0:0:0:ffff:4848:8558
72.72.133.89 0:0:0:0:0:ffff:4848:8559
72.72.133.90 0:0:0:0:0:ffff:4848:855a
72.72.133.91 0:0:0:0:0:ffff:4848:855b
72.72.133.92 0:0:0:0:0:ffff:4848:855c
72.72.133.93 0:0:0:0:0:ffff:4848:855d
72.72.133.94 0:0:0:0:0:ffff:4848:855e
72.72.133.95 0:0:0:0:0:ffff:4848:855f
72.72.133.96 0:0:0:0:0:ffff:4848:8560
72.72.133.97 0:0:0:0:0:ffff:4848:8561
72.72.133.98 0:0:0:0:0:ffff:4848:8562
72.72.133.99 0:0:0:0:0:ffff:4848:8563
72.72.133.100 0:0:0:0:0:ffff:4848:8564
72.72.133.101 0:0:0:0:0:ffff:4848:8565
72.72.133.102 0:0:0:0:0:ffff:4848:8566
72.72.133.103 0:0:0:0:0:ffff:4848:8567
72.72.133.104 0:0:0:0:0:ffff:4848:8568
72.72.133.105 0:0:0:0:0:ffff:4848:8569
72.72.133.106 0:0:0:0:0:ffff:4848:856a
72.72.133.107 0:0:0:0:0:ffff:4848:856b
72.72.133.108 0:0:0:0:0:ffff:4848:856c
72.72.133.109 0:0:0:0:0:ffff:4848:856d
72.72.133.110 0:0:0:0:0:ffff:4848:856e
72.72.133.111 0:0:0:0:0:ffff:4848:856f
72.72.133.112 0:0:0:0:0:ffff:4848:8570
72.72.133.113 0:0:0:0:0:ffff:4848:8571
72.72.133.114 0:0:0:0:0:ffff:4848:8572
72.72.133.115 0:0:0:0:0:ffff:4848:8573
72.72.133.116 0:0:0:0:0:ffff:4848:8574
72.72.133.117 0:0:0:0:0:ffff:4848:8575
72.72.133.118 0:0:0:0:0:ffff:4848:8576
72.72.133.119 0:0:0:0:0:ffff:4848:8577
72.72.133.120 0:0:0:0:0:ffff:4848:8578


72.72.133.121 0:0:0:0:0:ffff:4848:8579
72.72.133.122 0:0:0:0:0:ffff:4848:857a
72.72.133.123 0:0:0:0:0:ffff:4848:857b
72.72.133.124 0:0:0:0:0:ffff:4848:857c
72.72.133.125 0:0:0:0:0:ffff:4848:857d
72.72.133.126 0:0:0:0:0:ffff:4848:857e
72.72.133.127 0:0:0:0:0:ffff:4848:857f
72.72.133.128 0:0:0:0:0:ffff:4848:8580
72.72.133.129 0:0:0:0:0:ffff:4848:8581
72.72.133.130 0:0:0:0:0:ffff:4848:8582
72.72.133.131 0:0:0:0:0:ffff:4848:8583
72.72.133.132 0:0:0:0:0:ffff:4848:8584
72.72.133.133 0:0:0:0:0:ffff:4848:8585
72.72.133.134 0:0:0:0:0:ffff:4848:8586
72.72.133.135 0:0:0:0:0:ffff:4848:8587
72.72.133.136 0:0:0:0:0:ffff:4848:8588
72.72.133.137 0:0:0:0:0:ffff:4848:8589
72.72.133.138 0:0:0:0:0:ffff:4848:858a
72.72.133.139 0:0:0:0:0:ffff:4848:858b
72.72.133.140 0:0:0:0:0:ffff:4848:858c
72.72.133.141 0:0:0:0:0:ffff:4848:858d
72.72.133.142 0:0:0:0:0:ffff:4848:858e
72.72.133.143 0:0:0:0:0:ffff:4848:858f
72.72.133.144 0:0:0:0:0:ffff:4848:8590
72.72.133.145 0:0:0:0:0:ffff:4848:8591
72.72.133.146 0:0:0:0:0:ffff:4848:8592
72.72.133.147 0:0:0:0:0:ffff:4848:8593
72.72.133.148 0:0:0:0:0:ffff:4848:8594
72.72.133.149 0:0:0:0:0:ffff:4848:8595
72.72.133.150 0:0:0:0:0:ffff:4848:8596
72.72.133.151 0:0:0:0:0:ffff:4848:8597
72.72.133.152 0:0:0:0:0:ffff:4848:8598
72.72.133.153 0:0:0:0:0:ffff:4848:8599
72.72.133.154 0:0:0:0:0:ffff:4848:859a
72.72.133.155 0:0:0:0:0:ffff:4848:859b
72.72.133.156 0:0:0:0:0:ffff:4848:859c
72.72.133.157 0:0:0:0:0:ffff:4848:859d
72.72.133.158 0:0:0:0:0:ffff:4848:859e
72.72.133.159 0:0:0:0:0:ffff:4848:859f
72.72.133.160 0:0:0:0:0:ffff:4848:85a0
72.72.133.161 0:0:0:0:0:ffff:4848:85a1
72.72.133.162 0:0:0:0:0:ffff:4848:85a2
72.72.133.163 0:0:0:0:0:ffff:4848:85a3
72.72.133.164 0:0:0:0:0:ffff:4848:85a4
72.72.133.165 0:0:0:0:0:ffff:4848:85a5
72.72.133.166 0:0:0:0:0:ffff:4848:85a6
72.72.133.167 0:0:0:0:0:ffff:4848:85a7
72.72.133.168 0:0:0:0:0:ffff:4848:85a8
72.72.133.169 0:0:0:0:0:ffff:4848:85a9
72.72.133.170 0:0:0:0:0:ffff:4848:85aa
72.72.133.171 0:0:0:0:0:ffff:4848:85ab
72.72.133.172 0:0:0:0:0:ffff:4848:85ac
72.72.133.173 0:0:0:0:0:ffff:4848:85ad
72.72.133.174 0:0:0:0:0:ffff:4848:85ae
72.72.133.175 0:0:0:0:0:ffff:4848:85af
72.72.133.176 0:0:0:0:0:ffff:4848:85b0
72.72.133.177 0:0:0:0:0:ffff:4848:85b1
72.72.133.178 0:0:0:0:0:ffff:4848:85b2
72.72.133.179 0:0:0:0:0:ffff:4848:85b3
72.72.133.180 0:0:0:0:0:ffff:4848:85b4


72.72.133.181 0:0:0:0:0:ffff:4848:85b5
72.72.133.182 0:0:0:0:0:ffff:4848:85b6
72.72.133.183 0:0:0:0:0:ffff:4848:85b7
72.72.133.184 0:0:0:0:0:ffff:4848:85b8
72.72.133.185 0:0:0:0:0:ffff:4848:85b9
72.72.133.186 0:0:0:0:0:ffff:4848:85ba
72.72.133.187 0:0:0:0:0:ffff:4848:85bb
72.72.133.188 0:0:0:0:0:ffff:4848:85bc
72.72.133.189 0:0:0:0:0:ffff:4848:85bd
72.72.133.190 0:0:0:0:0:ffff:4848:85be
72.72.133.191 0:0:0:0:0:ffff:4848:85bf
72.72.133.192 0:0:0:0:0:ffff:4848:85c0
72.72.133.193 0:0:0:0:0:ffff:4848:85c1
72.72.133.194 0:0:0:0:0:ffff:4848:85c2
72.72.133.195 0:0:0:0:0:ffff:4848:85c3
72.72.133.196 0:0:0:0:0:ffff:4848:85c4
72.72.133.197 0:0:0:0:0:ffff:4848:85c5
72.72.133.198 0:0:0:0:0:ffff:4848:85c6
72.72.133.199 0:0:0:0:0:ffff:4848:85c7
72.72.133.200 0:0:0:0:0:ffff:4848:85c8
72.72.133.201 0:0:0:0:0:ffff:4848:85c9
72.72.133.202 0:0:0:0:0:ffff:4848:85ca
72.72.133.203 0:0:0:0:0:ffff:4848:85cb
72.72.133.204 0:0:0:0:0:ffff:4848:85cc
72.72.133.205 0:0:0:0:0:ffff:4848:85cd
72.72.133.206 0:0:0:0:0:ffff:4848:85ce
72.72.133.207 0:0:0:0:0:ffff:4848:85cf
72.72.133.208 0:0:0:0:0:ffff:4848:85d0
72.72.133.209 0:0:0:0:0:ffff:4848:85d1
72.72.133.210 0:0:0:0:0:ffff:4848:85d2
72.72.133.211 0:0:0:0:0:ffff:4848:85d3
72.72.133.212 0:0:0:0:0:ffff:4848:85d4
72.72.133.213 0:0:0:0:0:ffff:4848:85d5
72.72.133.214 0:0:0:0:0:ffff:4848:85d6
72.72.133.215 0:0:0:0:0:ffff:4848:85d7
72.72.133.216 0:0:0:0:0:ffff:4848:85d8
72.72.133.217 0:0:0:0:0:ffff:4848:85d9
72.72.133.218 0:0:0:0:0:ffff:4848:85da
72.72.133.219 0:0:0:0:0:ffff:4848:85db
72.72.133.220 0:0:0:0:0:ffff:4848:85dc
72.72.133.221 0:0:0:0:0:ffff:4848:85dd
72.72.133.222 0:0:0:0:0:ffff:4848:85de
72.72.133.223 0:0:0:0:0:ffff:4848:85df
72.72.133.224 0:0:0:0:0:ffff:4848:85e0
72.72.133.225 0:0:0:0:0:ffff:4848:85e1
72.72.133.226 0:0:0:0:0:ffff:4848:85e2
72.72.133.227 0:0:0:0:0:ffff:4848:85e3
72.72.133.228 0:0:0:0:0:ffff:4848:85e4
72.72.133.229 0:0:0:0:0:ffff:4848:85e5
72.72.133.230 0:0:0:0:0:ffff:4848:85e6
72.72.133.231 0:0:0:0:0:ffff:4848:85e7
72.72.133.232 0:0:0:0:0:ffff:4848:85e8
72.72.133.233 0:0:0:0:0:ffff:4848:85e9
72.72.133.234 0:0:0:0:0:ffff:4848:85ea
72.72.133.235 0:0:0:0:0:ffff:4848:85eb
72.72.133.236 0:0:0:0:0:ffff:4848:85ec
72.72.133.237 0:0:0:0:0:ffff:4848:85ed
72.72.133.238 0:0:0:0:0:ffff:4848:85ee
72.72.133.239 0:0:0:0:0:ffff:4848:85ef
72.72.133.240 0:0:0:0:0:ffff:4848:85f0
72.72.133.241 0:0:0:0:0:ffff:4848:85f1
72.72.133.242 0:0:0:0:0:ffff:4848:85f2
72.72.133.243 0:0:0:0:0:ffff:4848:85f3
72.72.133.244 0:0:0:0:0:ffff:4848:85f4
72.72.133.245 0:0:0:0:0:ffff:4848:85f5
72.72.133.246 0:0:0:0:0:ffff:4848:85f6
72.72.133.247 0:0:0:0:0:ffff:4848:85f7
72.72.133.248 0:0:0:0:0:ffff:4848:85f8
72.72.133.249 0:0:0:0:0:ffff:4848:85f9
72.72.133.250 0:0:0:0:0:ffff:4848:85fa
72.72.133.251 0:0:0:0:0:ffff:4848:85fb
72.72.133.252 0:0:0:0:0:ffff:4848:85fc
72.72.133.253 0:0:0:0:0:ffff:4848:85fd
72.72.133.254 0:0:0:0:0:ffff:4848:85fe
72.72.133.255 0:0:0:0:0:ffff:4848:85ff


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.