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
100.67.37.1 0:0:0:0:0:ffff:6443:2501
100.67.37.2 0:0:0:0:0:ffff:6443:2502
100.67.37.3 0:0:0:0:0:ffff:6443:2503
100.67.37.4 0:0:0:0:0:ffff:6443:2504
100.67.37.5 0:0:0:0:0:ffff:6443:2505
100.67.37.6 0:0:0:0:0:ffff:6443:2506
100.67.37.7 0:0:0:0:0:ffff:6443:2507
100.67.37.8 0:0:0:0:0:ffff:6443:2508
100.67.37.9 0:0:0:0:0:ffff:6443:2509
100.67.37.10 0:0:0:0:0:ffff:6443:250a
100.67.37.11 0:0:0:0:0:ffff:6443:250b
100.67.37.12 0:0:0:0:0:ffff:6443:250c
100.67.37.13 0:0:0:0:0:ffff:6443:250d
100.67.37.14 0:0:0:0:0:ffff:6443:250e
100.67.37.15 0:0:0:0:0:ffff:6443:250f
100.67.37.16 0:0:0:0:0:ffff:6443:2510
100.67.37.17 0:0:0:0:0:ffff:6443:2511
100.67.37.18 0:0:0:0:0:ffff:6443:2512
100.67.37.19 0:0:0:0:0:ffff:6443:2513
100.67.37.20 0:0:0:0:0:ffff:6443:2514
100.67.37.21 0:0:0:0:0:ffff:6443:2515
100.67.37.22 0:0:0:0:0:ffff:6443:2516
100.67.37.23 0:0:0:0:0:ffff:6443:2517
100.67.37.24 0:0:0:0:0:ffff:6443:2518
100.67.37.25 0:0:0:0:0:ffff:6443:2519
100.67.37.26 0:0:0:0:0:ffff:6443:251a
100.67.37.27 0:0:0:0:0:ffff:6443:251b
100.67.37.28 0:0:0:0:0:ffff:6443:251c
100.67.37.29 0:0:0:0:0:ffff:6443:251d
100.67.37.30 0:0:0:0:0:ffff:6443:251e
100.67.37.31 0:0:0:0:0:ffff:6443:251f
100.67.37.32 0:0:0:0:0:ffff:6443:2520
100.67.37.33 0:0:0:0:0:ffff:6443:2521
100.67.37.34 0:0:0:0:0:ffff:6443:2522
100.67.37.35 0:0:0:0:0:ffff:6443:2523
100.67.37.36 0:0:0:0:0:ffff:6443:2524
100.67.37.37 0:0:0:0:0:ffff:6443:2525
100.67.37.38 0:0:0:0:0:ffff:6443:2526
100.67.37.39 0:0:0:0:0:ffff:6443:2527
100.67.37.40 0:0:0:0:0:ffff:6443:2528
100.67.37.41 0:0:0:0:0:ffff:6443:2529
100.67.37.42 0:0:0:0:0:ffff:6443:252a
100.67.37.43 0:0:0:0:0:ffff:6443:252b
100.67.37.44 0:0:0:0:0:ffff:6443:252c
100.67.37.45 0:0:0:0:0:ffff:6443:252d
100.67.37.46 0:0:0:0:0:ffff:6443:252e
100.67.37.47 0:0:0:0:0:ffff:6443:252f
100.67.37.48 0:0:0:0:0:ffff:6443:2530
100.67.37.49 0:0:0:0:0:ffff:6443:2531
100.67.37.50 0:0:0:0:0:ffff:6443:2532
100.67.37.51 0:0:0:0:0:ffff:6443:2533
100.67.37.52 0:0:0:0:0:ffff:6443:2534
100.67.37.53 0:0:0:0:0:ffff:6443:2535
100.67.37.54 0:0:0:0:0:ffff:6443:2536
100.67.37.55 0:0:0:0:0:ffff:6443:2537
100.67.37.56 0:0:0:0:0:ffff:6443:2538
100.67.37.57 0:0:0:0:0:ffff:6443:2539
100.67.37.58 0:0:0:0:0:ffff:6443:253a
100.67.37.59 0:0:0:0:0:ffff:6443:253b
100.67.37.60 0:0:0:0:0:ffff:6443:253c


100.67.37.61 0:0:0:0:0:ffff:6443:253d
100.67.37.62 0:0:0:0:0:ffff:6443:253e
100.67.37.63 0:0:0:0:0:ffff:6443:253f
100.67.37.64 0:0:0:0:0:ffff:6443:2540
100.67.37.65 0:0:0:0:0:ffff:6443:2541
100.67.37.66 0:0:0:0:0:ffff:6443:2542
100.67.37.67 0:0:0:0:0:ffff:6443:2543
100.67.37.68 0:0:0:0:0:ffff:6443:2544
100.67.37.69 0:0:0:0:0:ffff:6443:2545
100.67.37.70 0:0:0:0:0:ffff:6443:2546
100.67.37.71 0:0:0:0:0:ffff:6443:2547
100.67.37.72 0:0:0:0:0:ffff:6443:2548
100.67.37.73 0:0:0:0:0:ffff:6443:2549
100.67.37.74 0:0:0:0:0:ffff:6443:254a
100.67.37.75 0:0:0:0:0:ffff:6443:254b
100.67.37.76 0:0:0:0:0:ffff:6443:254c
100.67.37.77 0:0:0:0:0:ffff:6443:254d
100.67.37.78 0:0:0:0:0:ffff:6443:254e
100.67.37.79 0:0:0:0:0:ffff:6443:254f
100.67.37.80 0:0:0:0:0:ffff:6443:2550
100.67.37.81 0:0:0:0:0:ffff:6443:2551
100.67.37.82 0:0:0:0:0:ffff:6443:2552
100.67.37.83 0:0:0:0:0:ffff:6443:2553
100.67.37.84 0:0:0:0:0:ffff:6443:2554
100.67.37.85 0:0:0:0:0:ffff:6443:2555
100.67.37.86 0:0:0:0:0:ffff:6443:2556
100.67.37.87 0:0:0:0:0:ffff:6443:2557
100.67.37.88 0:0:0:0:0:ffff:6443:2558
100.67.37.89 0:0:0:0:0:ffff:6443:2559
100.67.37.90 0:0:0:0:0:ffff:6443:255a
100.67.37.91 0:0:0:0:0:ffff:6443:255b
100.67.37.92 0:0:0:0:0:ffff:6443:255c
100.67.37.93 0:0:0:0:0:ffff:6443:255d
100.67.37.94 0:0:0:0:0:ffff:6443:255e
100.67.37.95 0:0:0:0:0:ffff:6443:255f
100.67.37.96 0:0:0:0:0:ffff:6443:2560
100.67.37.97 0:0:0:0:0:ffff:6443:2561
100.67.37.98 0:0:0:0:0:ffff:6443:2562
100.67.37.99 0:0:0:0:0:ffff:6443:2563
100.67.37.100 0:0:0:0:0:ffff:6443:2564
100.67.37.101 0:0:0:0:0:ffff:6443:2565
100.67.37.102 0:0:0:0:0:ffff:6443:2566
100.67.37.103 0:0:0:0:0:ffff:6443:2567
100.67.37.104 0:0:0:0:0:ffff:6443:2568
100.67.37.105 0:0:0:0:0:ffff:6443:2569
100.67.37.106 0:0:0:0:0:ffff:6443:256a
100.67.37.107 0:0:0:0:0:ffff:6443:256b
100.67.37.108 0:0:0:0:0:ffff:6443:256c
100.67.37.109 0:0:0:0:0:ffff:6443:256d
100.67.37.110 0:0:0:0:0:ffff:6443:256e
100.67.37.111 0:0:0:0:0:ffff:6443:256f
100.67.37.112 0:0:0:0:0:ffff:6443:2570
100.67.37.113 0:0:0:0:0:ffff:6443:2571
100.67.37.114 0:0:0:0:0:ffff:6443:2572
100.67.37.115 0:0:0:0:0:ffff:6443:2573
100.67.37.116 0:0:0:0:0:ffff:6443:2574
100.67.37.117 0:0:0:0:0:ffff:6443:2575
100.67.37.118 0:0:0:0:0:ffff:6443:2576
100.67.37.119 0:0:0:0:0:ffff:6443:2577
100.67.37.120 0:0:0:0:0:ffff:6443:2578


100.67.37.121 0:0:0:0:0:ffff:6443:2579
100.67.37.122 0:0:0:0:0:ffff:6443:257a
100.67.37.123 0:0:0:0:0:ffff:6443:257b
100.67.37.124 0:0:0:0:0:ffff:6443:257c
100.67.37.125 0:0:0:0:0:ffff:6443:257d
100.67.37.126 0:0:0:0:0:ffff:6443:257e
100.67.37.127 0:0:0:0:0:ffff:6443:257f
100.67.37.128 0:0:0:0:0:ffff:6443:2580
100.67.37.129 0:0:0:0:0:ffff:6443:2581
100.67.37.130 0:0:0:0:0:ffff:6443:2582
100.67.37.131 0:0:0:0:0:ffff:6443:2583
100.67.37.132 0:0:0:0:0:ffff:6443:2584
100.67.37.133 0:0:0:0:0:ffff:6443:2585
100.67.37.134 0:0:0:0:0:ffff:6443:2586
100.67.37.135 0:0:0:0:0:ffff:6443:2587
100.67.37.136 0:0:0:0:0:ffff:6443:2588
100.67.37.137 0:0:0:0:0:ffff:6443:2589
100.67.37.138 0:0:0:0:0:ffff:6443:258a
100.67.37.139 0:0:0:0:0:ffff:6443:258b
100.67.37.140 0:0:0:0:0:ffff:6443:258c
100.67.37.141 0:0:0:0:0:ffff:6443:258d
100.67.37.142 0:0:0:0:0:ffff:6443:258e
100.67.37.143 0:0:0:0:0:ffff:6443:258f
100.67.37.144 0:0:0:0:0:ffff:6443:2590
100.67.37.145 0:0:0:0:0:ffff:6443:2591
100.67.37.146 0:0:0:0:0:ffff:6443:2592
100.67.37.147 0:0:0:0:0:ffff:6443:2593
100.67.37.148 0:0:0:0:0:ffff:6443:2594
100.67.37.149 0:0:0:0:0:ffff:6443:2595
100.67.37.150 0:0:0:0:0:ffff:6443:2596
100.67.37.151 0:0:0:0:0:ffff:6443:2597
100.67.37.152 0:0:0:0:0:ffff:6443:2598
100.67.37.153 0:0:0:0:0:ffff:6443:2599
100.67.37.154 0:0:0:0:0:ffff:6443:259a
100.67.37.155 0:0:0:0:0:ffff:6443:259b
100.67.37.156 0:0:0:0:0:ffff:6443:259c
100.67.37.157 0:0:0:0:0:ffff:6443:259d
100.67.37.158 0:0:0:0:0:ffff:6443:259e
100.67.37.159 0:0:0:0:0:ffff:6443:259f
100.67.37.160 0:0:0:0:0:ffff:6443:25a0
100.67.37.161 0:0:0:0:0:ffff:6443:25a1
100.67.37.162 0:0:0:0:0:ffff:6443:25a2
100.67.37.163 0:0:0:0:0:ffff:6443:25a3
100.67.37.164 0:0:0:0:0:ffff:6443:25a4
100.67.37.165 0:0:0:0:0:ffff:6443:25a5
100.67.37.166 0:0:0:0:0:ffff:6443:25a6
100.67.37.167 0:0:0:0:0:ffff:6443:25a7
100.67.37.168 0:0:0:0:0:ffff:6443:25a8
100.67.37.169 0:0:0:0:0:ffff:6443:25a9
100.67.37.170 0:0:0:0:0:ffff:6443:25aa
100.67.37.171 0:0:0:0:0:ffff:6443:25ab
100.67.37.172 0:0:0:0:0:ffff:6443:25ac
100.67.37.173 0:0:0:0:0:ffff:6443:25ad
100.67.37.174 0:0:0:0:0:ffff:6443:25ae
100.67.37.175 0:0:0:0:0:ffff:6443:25af
100.67.37.176 0:0:0:0:0:ffff:6443:25b0
100.67.37.177 0:0:0:0:0:ffff:6443:25b1
100.67.37.178 0:0:0:0:0:ffff:6443:25b2
100.67.37.179 0:0:0:0:0:ffff:6443:25b3
100.67.37.180 0:0:0:0:0:ffff:6443:25b4


100.67.37.181 0:0:0:0:0:ffff:6443:25b5
100.67.37.182 0:0:0:0:0:ffff:6443:25b6
100.67.37.183 0:0:0:0:0:ffff:6443:25b7
100.67.37.184 0:0:0:0:0:ffff:6443:25b8
100.67.37.185 0:0:0:0:0:ffff:6443:25b9
100.67.37.186 0:0:0:0:0:ffff:6443:25ba
100.67.37.187 0:0:0:0:0:ffff:6443:25bb
100.67.37.188 0:0:0:0:0:ffff:6443:25bc
100.67.37.189 0:0:0:0:0:ffff:6443:25bd
100.67.37.190 0:0:0:0:0:ffff:6443:25be
100.67.37.191 0:0:0:0:0:ffff:6443:25bf
100.67.37.192 0:0:0:0:0:ffff:6443:25c0
100.67.37.193 0:0:0:0:0:ffff:6443:25c1
100.67.37.194 0:0:0:0:0:ffff:6443:25c2
100.67.37.195 0:0:0:0:0:ffff:6443:25c3
100.67.37.196 0:0:0:0:0:ffff:6443:25c4
100.67.37.197 0:0:0:0:0:ffff:6443:25c5
100.67.37.198 0:0:0:0:0:ffff:6443:25c6
100.67.37.199 0:0:0:0:0:ffff:6443:25c7
100.67.37.200 0:0:0:0:0:ffff:6443:25c8
100.67.37.201 0:0:0:0:0:ffff:6443:25c9
100.67.37.202 0:0:0:0:0:ffff:6443:25ca
100.67.37.203 0:0:0:0:0:ffff:6443:25cb
100.67.37.204 0:0:0:0:0:ffff:6443:25cc
100.67.37.205 0:0:0:0:0:ffff:6443:25cd
100.67.37.206 0:0:0:0:0:ffff:6443:25ce
100.67.37.207 0:0:0:0:0:ffff:6443:25cf
100.67.37.208 0:0:0:0:0:ffff:6443:25d0
100.67.37.209 0:0:0:0:0:ffff:6443:25d1
100.67.37.210 0:0:0:0:0:ffff:6443:25d2
100.67.37.211 0:0:0:0:0:ffff:6443:25d3
100.67.37.212 0:0:0:0:0:ffff:6443:25d4
100.67.37.213 0:0:0:0:0:ffff:6443:25d5
100.67.37.214 0:0:0:0:0:ffff:6443:25d6
100.67.37.215 0:0:0:0:0:ffff:6443:25d7
100.67.37.216 0:0:0:0:0:ffff:6443:25d8
100.67.37.217 0:0:0:0:0:ffff:6443:25d9
100.67.37.218 0:0:0:0:0:ffff:6443:25da
100.67.37.219 0:0:0:0:0:ffff:6443:25db
100.67.37.220 0:0:0:0:0:ffff:6443:25dc
100.67.37.221 0:0:0:0:0:ffff:6443:25dd
100.67.37.222 0:0:0:0:0:ffff:6443:25de
100.67.37.223 0:0:0:0:0:ffff:6443:25df
100.67.37.224 0:0:0:0:0:ffff:6443:25e0
100.67.37.225 0:0:0:0:0:ffff:6443:25e1
100.67.37.226 0:0:0:0:0:ffff:6443:25e2
100.67.37.227 0:0:0:0:0:ffff:6443:25e3
100.67.37.228 0:0:0:0:0:ffff:6443:25e4
100.67.37.229 0:0:0:0:0:ffff:6443:25e5
100.67.37.230 0:0:0:0:0:ffff:6443:25e6
100.67.37.231 0:0:0:0:0:ffff:6443:25e7
100.67.37.232 0:0:0:0:0:ffff:6443:25e8
100.67.37.233 0:0:0:0:0:ffff:6443:25e9
100.67.37.234 0:0:0:0:0:ffff:6443:25ea
100.67.37.235 0:0:0:0:0:ffff:6443:25eb
100.67.37.236 0:0:0:0:0:ffff:6443:25ec
100.67.37.237 0:0:0:0:0:ffff:6443:25ed
100.67.37.238 0:0:0:0:0:ffff:6443:25ee
100.67.37.239 0:0:0:0:0:ffff:6443:25ef
100.67.37.240 0:0:0:0:0:ffff:6443:25f0
100.67.37.241 0:0:0:0:0:ffff:6443:25f1
100.67.37.242 0:0:0:0:0:ffff:6443:25f2
100.67.37.243 0:0:0:0:0:ffff:6443:25f3
100.67.37.244 0:0:0:0:0:ffff:6443:25f4
100.67.37.245 0:0:0:0:0:ffff:6443:25f5
100.67.37.246 0:0:0:0:0:ffff:6443:25f6
100.67.37.247 0:0:0:0:0:ffff:6443:25f7
100.67.37.248 0:0:0:0:0:ffff:6443:25f8
100.67.37.249 0:0:0:0:0:ffff:6443:25f9
100.67.37.250 0:0:0:0:0:ffff:6443:25fa
100.67.37.251 0:0:0:0:0:ffff:6443:25fb
100.67.37.252 0:0:0:0:0:ffff:6443:25fc
100.67.37.253 0:0:0:0:0:ffff:6443:25fd
100.67.37.254 0:0:0:0:0:ffff:6443:25fe
100.67.37.255 0:0:0:0:0:ffff:6443:25ff


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.