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
118.142.37.1 0:0:0:0:0:ffff:768e:2501
118.142.37.2 0:0:0:0:0:ffff:768e:2502
118.142.37.3 0:0:0:0:0:ffff:768e:2503
118.142.37.4 0:0:0:0:0:ffff:768e:2504
118.142.37.5 0:0:0:0:0:ffff:768e:2505
118.142.37.6 0:0:0:0:0:ffff:768e:2506
118.142.37.7 0:0:0:0:0:ffff:768e:2507
118.142.37.8 0:0:0:0:0:ffff:768e:2508
118.142.37.9 0:0:0:0:0:ffff:768e:2509
118.142.37.10 0:0:0:0:0:ffff:768e:250a
118.142.37.11 0:0:0:0:0:ffff:768e:250b
118.142.37.12 0:0:0:0:0:ffff:768e:250c
118.142.37.13 0:0:0:0:0:ffff:768e:250d
118.142.37.14 0:0:0:0:0:ffff:768e:250e
118.142.37.15 0:0:0:0:0:ffff:768e:250f
118.142.37.16 0:0:0:0:0:ffff:768e:2510
118.142.37.17 0:0:0:0:0:ffff:768e:2511
118.142.37.18 0:0:0:0:0:ffff:768e:2512
118.142.37.19 0:0:0:0:0:ffff:768e:2513
118.142.37.20 0:0:0:0:0:ffff:768e:2514
118.142.37.21 0:0:0:0:0:ffff:768e:2515
118.142.37.22 0:0:0:0:0:ffff:768e:2516
118.142.37.23 0:0:0:0:0:ffff:768e:2517
118.142.37.24 0:0:0:0:0:ffff:768e:2518
118.142.37.25 0:0:0:0:0:ffff:768e:2519
118.142.37.26 0:0:0:0:0:ffff:768e:251a
118.142.37.27 0:0:0:0:0:ffff:768e:251b
118.142.37.28 0:0:0:0:0:ffff:768e:251c
118.142.37.29 0:0:0:0:0:ffff:768e:251d
118.142.37.30 0:0:0:0:0:ffff:768e:251e
118.142.37.31 0:0:0:0:0:ffff:768e:251f
118.142.37.32 0:0:0:0:0:ffff:768e:2520
118.142.37.33 0:0:0:0:0:ffff:768e:2521
118.142.37.34 0:0:0:0:0:ffff:768e:2522
118.142.37.35 0:0:0:0:0:ffff:768e:2523
118.142.37.36 0:0:0:0:0:ffff:768e:2524
118.142.37.37 0:0:0:0:0:ffff:768e:2525
118.142.37.38 0:0:0:0:0:ffff:768e:2526
118.142.37.39 0:0:0:0:0:ffff:768e:2527
118.142.37.40 0:0:0:0:0:ffff:768e:2528
118.142.37.41 0:0:0:0:0:ffff:768e:2529
118.142.37.42 0:0:0:0:0:ffff:768e:252a
118.142.37.43 0:0:0:0:0:ffff:768e:252b
118.142.37.44 0:0:0:0:0:ffff:768e:252c
118.142.37.45 0:0:0:0:0:ffff:768e:252d
118.142.37.46 0:0:0:0:0:ffff:768e:252e
118.142.37.47 0:0:0:0:0:ffff:768e:252f
118.142.37.48 0:0:0:0:0:ffff:768e:2530
118.142.37.49 0:0:0:0:0:ffff:768e:2531
118.142.37.50 0:0:0:0:0:ffff:768e:2532
118.142.37.51 0:0:0:0:0:ffff:768e:2533
118.142.37.52 0:0:0:0:0:ffff:768e:2534
118.142.37.53 0:0:0:0:0:ffff:768e:2535
118.142.37.54 0:0:0:0:0:ffff:768e:2536
118.142.37.55 0:0:0:0:0:ffff:768e:2537
118.142.37.56 0:0:0:0:0:ffff:768e:2538
118.142.37.57 0:0:0:0:0:ffff:768e:2539
118.142.37.58 0:0:0:0:0:ffff:768e:253a
118.142.37.59 0:0:0:0:0:ffff:768e:253b
118.142.37.60 0:0:0:0:0:ffff:768e:253c


118.142.37.61 0:0:0:0:0:ffff:768e:253d
118.142.37.62 0:0:0:0:0:ffff:768e:253e
118.142.37.63 0:0:0:0:0:ffff:768e:253f
118.142.37.64 0:0:0:0:0:ffff:768e:2540
118.142.37.65 0:0:0:0:0:ffff:768e:2541
118.142.37.66 0:0:0:0:0:ffff:768e:2542
118.142.37.67 0:0:0:0:0:ffff:768e:2543
118.142.37.68 0:0:0:0:0:ffff:768e:2544
118.142.37.69 0:0:0:0:0:ffff:768e:2545
118.142.37.70 0:0:0:0:0:ffff:768e:2546
118.142.37.71 0:0:0:0:0:ffff:768e:2547
118.142.37.72 0:0:0:0:0:ffff:768e:2548
118.142.37.73 0:0:0:0:0:ffff:768e:2549
118.142.37.74 0:0:0:0:0:ffff:768e:254a
118.142.37.75 0:0:0:0:0:ffff:768e:254b
118.142.37.76 0:0:0:0:0:ffff:768e:254c
118.142.37.77 0:0:0:0:0:ffff:768e:254d
118.142.37.78 0:0:0:0:0:ffff:768e:254e
118.142.37.79 0:0:0:0:0:ffff:768e:254f
118.142.37.80 0:0:0:0:0:ffff:768e:2550
118.142.37.81 0:0:0:0:0:ffff:768e:2551
118.142.37.82 0:0:0:0:0:ffff:768e:2552
118.142.37.83 0:0:0:0:0:ffff:768e:2553
118.142.37.84 0:0:0:0:0:ffff:768e:2554
118.142.37.85 0:0:0:0:0:ffff:768e:2555
118.142.37.86 0:0:0:0:0:ffff:768e:2556
118.142.37.87 0:0:0:0:0:ffff:768e:2557
118.142.37.88 0:0:0:0:0:ffff:768e:2558
118.142.37.89 0:0:0:0:0:ffff:768e:2559
118.142.37.90 0:0:0:0:0:ffff:768e:255a
118.142.37.91 0:0:0:0:0:ffff:768e:255b
118.142.37.92 0:0:0:0:0:ffff:768e:255c
118.142.37.93 0:0:0:0:0:ffff:768e:255d
118.142.37.94 0:0:0:0:0:ffff:768e:255e
118.142.37.95 0:0:0:0:0:ffff:768e:255f
118.142.37.96 0:0:0:0:0:ffff:768e:2560
118.142.37.97 0:0:0:0:0:ffff:768e:2561
118.142.37.98 0:0:0:0:0:ffff:768e:2562
118.142.37.99 0:0:0:0:0:ffff:768e:2563
118.142.37.100 0:0:0:0:0:ffff:768e:2564
118.142.37.101 0:0:0:0:0:ffff:768e:2565
118.142.37.102 0:0:0:0:0:ffff:768e:2566
118.142.37.103 0:0:0:0:0:ffff:768e:2567
118.142.37.104 0:0:0:0:0:ffff:768e:2568
118.142.37.105 0:0:0:0:0:ffff:768e:2569
118.142.37.106 0:0:0:0:0:ffff:768e:256a
118.142.37.107 0:0:0:0:0:ffff:768e:256b
118.142.37.108 0:0:0:0:0:ffff:768e:256c
118.142.37.109 0:0:0:0:0:ffff:768e:256d
118.142.37.110 0:0:0:0:0:ffff:768e:256e
118.142.37.111 0:0:0:0:0:ffff:768e:256f
118.142.37.112 0:0:0:0:0:ffff:768e:2570
118.142.37.113 0:0:0:0:0:ffff:768e:2571
118.142.37.114 0:0:0:0:0:ffff:768e:2572
118.142.37.115 0:0:0:0:0:ffff:768e:2573
118.142.37.116 0:0:0:0:0:ffff:768e:2574
118.142.37.117 0:0:0:0:0:ffff:768e:2575
118.142.37.118 0:0:0:0:0:ffff:768e:2576
118.142.37.119 0:0:0:0:0:ffff:768e:2577
118.142.37.120 0:0:0:0:0:ffff:768e:2578


118.142.37.121 0:0:0:0:0:ffff:768e:2579
118.142.37.122 0:0:0:0:0:ffff:768e:257a
118.142.37.123 0:0:0:0:0:ffff:768e:257b
118.142.37.124 0:0:0:0:0:ffff:768e:257c
118.142.37.125 0:0:0:0:0:ffff:768e:257d
118.142.37.126 0:0:0:0:0:ffff:768e:257e
118.142.37.127 0:0:0:0:0:ffff:768e:257f
118.142.37.128 0:0:0:0:0:ffff:768e:2580
118.142.37.129 0:0:0:0:0:ffff:768e:2581
118.142.37.130 0:0:0:0:0:ffff:768e:2582
118.142.37.131 0:0:0:0:0:ffff:768e:2583
118.142.37.132 0:0:0:0:0:ffff:768e:2584
118.142.37.133 0:0:0:0:0:ffff:768e:2585
118.142.37.134 0:0:0:0:0:ffff:768e:2586
118.142.37.135 0:0:0:0:0:ffff:768e:2587
118.142.37.136 0:0:0:0:0:ffff:768e:2588
118.142.37.137 0:0:0:0:0:ffff:768e:2589
118.142.37.138 0:0:0:0:0:ffff:768e:258a
118.142.37.139 0:0:0:0:0:ffff:768e:258b
118.142.37.140 0:0:0:0:0:ffff:768e:258c
118.142.37.141 0:0:0:0:0:ffff:768e:258d
118.142.37.142 0:0:0:0:0:ffff:768e:258e
118.142.37.143 0:0:0:0:0:ffff:768e:258f
118.142.37.144 0:0:0:0:0:ffff:768e:2590
118.142.37.145 0:0:0:0:0:ffff:768e:2591
118.142.37.146 0:0:0:0:0:ffff:768e:2592
118.142.37.147 0:0:0:0:0:ffff:768e:2593
118.142.37.148 0:0:0:0:0:ffff:768e:2594
118.142.37.149 0:0:0:0:0:ffff:768e:2595
118.142.37.150 0:0:0:0:0:ffff:768e:2596
118.142.37.151 0:0:0:0:0:ffff:768e:2597
118.142.37.152 0:0:0:0:0:ffff:768e:2598
118.142.37.153 0:0:0:0:0:ffff:768e:2599
118.142.37.154 0:0:0:0:0:ffff:768e:259a
118.142.37.155 0:0:0:0:0:ffff:768e:259b
118.142.37.156 0:0:0:0:0:ffff:768e:259c
118.142.37.157 0:0:0:0:0:ffff:768e:259d
118.142.37.158 0:0:0:0:0:ffff:768e:259e
118.142.37.159 0:0:0:0:0:ffff:768e:259f
118.142.37.160 0:0:0:0:0:ffff:768e:25a0
118.142.37.161 0:0:0:0:0:ffff:768e:25a1
118.142.37.162 0:0:0:0:0:ffff:768e:25a2
118.142.37.163 0:0:0:0:0:ffff:768e:25a3
118.142.37.164 0:0:0:0:0:ffff:768e:25a4
118.142.37.165 0:0:0:0:0:ffff:768e:25a5
118.142.37.166 0:0:0:0:0:ffff:768e:25a6
118.142.37.167 0:0:0:0:0:ffff:768e:25a7
118.142.37.168 0:0:0:0:0:ffff:768e:25a8
118.142.37.169 0:0:0:0:0:ffff:768e:25a9
118.142.37.170 0:0:0:0:0:ffff:768e:25aa
118.142.37.171 0:0:0:0:0:ffff:768e:25ab
118.142.37.172 0:0:0:0:0:ffff:768e:25ac
118.142.37.173 0:0:0:0:0:ffff:768e:25ad
118.142.37.174 0:0:0:0:0:ffff:768e:25ae
118.142.37.175 0:0:0:0:0:ffff:768e:25af
118.142.37.176 0:0:0:0:0:ffff:768e:25b0
118.142.37.177 0:0:0:0:0:ffff:768e:25b1
118.142.37.178 0:0:0:0:0:ffff:768e:25b2
118.142.37.179 0:0:0:0:0:ffff:768e:25b3
118.142.37.180 0:0:0:0:0:ffff:768e:25b4


118.142.37.181 0:0:0:0:0:ffff:768e:25b5
118.142.37.182 0:0:0:0:0:ffff:768e:25b6
118.142.37.183 0:0:0:0:0:ffff:768e:25b7
118.142.37.184 0:0:0:0:0:ffff:768e:25b8
118.142.37.185 0:0:0:0:0:ffff:768e:25b9
118.142.37.186 0:0:0:0:0:ffff:768e:25ba
118.142.37.187 0:0:0:0:0:ffff:768e:25bb
118.142.37.188 0:0:0:0:0:ffff:768e:25bc
118.142.37.189 0:0:0:0:0:ffff:768e:25bd
118.142.37.190 0:0:0:0:0:ffff:768e:25be
118.142.37.191 0:0:0:0:0:ffff:768e:25bf
118.142.37.192 0:0:0:0:0:ffff:768e:25c0
118.142.37.193 0:0:0:0:0:ffff:768e:25c1
118.142.37.194 0:0:0:0:0:ffff:768e:25c2
118.142.37.195 0:0:0:0:0:ffff:768e:25c3
118.142.37.196 0:0:0:0:0:ffff:768e:25c4
118.142.37.197 0:0:0:0:0:ffff:768e:25c5
118.142.37.198 0:0:0:0:0:ffff:768e:25c6
118.142.37.199 0:0:0:0:0:ffff:768e:25c7
118.142.37.200 0:0:0:0:0:ffff:768e:25c8
118.142.37.201 0:0:0:0:0:ffff:768e:25c9
118.142.37.202 0:0:0:0:0:ffff:768e:25ca
118.142.37.203 0:0:0:0:0:ffff:768e:25cb
118.142.37.204 0:0:0:0:0:ffff:768e:25cc
118.142.37.205 0:0:0:0:0:ffff:768e:25cd
118.142.37.206 0:0:0:0:0:ffff:768e:25ce
118.142.37.207 0:0:0:0:0:ffff:768e:25cf
118.142.37.208 0:0:0:0:0:ffff:768e:25d0
118.142.37.209 0:0:0:0:0:ffff:768e:25d1
118.142.37.210 0:0:0:0:0:ffff:768e:25d2
118.142.37.211 0:0:0:0:0:ffff:768e:25d3
118.142.37.212 0:0:0:0:0:ffff:768e:25d4
118.142.37.213 0:0:0:0:0:ffff:768e:25d5
118.142.37.214 0:0:0:0:0:ffff:768e:25d6
118.142.37.215 0:0:0:0:0:ffff:768e:25d7
118.142.37.216 0:0:0:0:0:ffff:768e:25d8
118.142.37.217 0:0:0:0:0:ffff:768e:25d9
118.142.37.218 0:0:0:0:0:ffff:768e:25da
118.142.37.219 0:0:0:0:0:ffff:768e:25db
118.142.37.220 0:0:0:0:0:ffff:768e:25dc
118.142.37.221 0:0:0:0:0:ffff:768e:25dd
118.142.37.222 0:0:0:0:0:ffff:768e:25de
118.142.37.223 0:0:0:0:0:ffff:768e:25df
118.142.37.224 0:0:0:0:0:ffff:768e:25e0
118.142.37.225 0:0:0:0:0:ffff:768e:25e1
118.142.37.226 0:0:0:0:0:ffff:768e:25e2
118.142.37.227 0:0:0:0:0:ffff:768e:25e3
118.142.37.228 0:0:0:0:0:ffff:768e:25e4
118.142.37.229 0:0:0:0:0:ffff:768e:25e5
118.142.37.230 0:0:0:0:0:ffff:768e:25e6
118.142.37.231 0:0:0:0:0:ffff:768e:25e7
118.142.37.232 0:0:0:0:0:ffff:768e:25e8
118.142.37.233 0:0:0:0:0:ffff:768e:25e9
118.142.37.234 0:0:0:0:0:ffff:768e:25ea
118.142.37.235 0:0:0:0:0:ffff:768e:25eb
118.142.37.236 0:0:0:0:0:ffff:768e:25ec
118.142.37.237 0:0:0:0:0:ffff:768e:25ed
118.142.37.238 0:0:0:0:0:ffff:768e:25ee
118.142.37.239 0:0:0:0:0:ffff:768e:25ef
118.142.37.240 0:0:0:0:0:ffff:768e:25f0
118.142.37.241 0:0:0:0:0:ffff:768e:25f1
118.142.37.242 0:0:0:0:0:ffff:768e:25f2
118.142.37.243 0:0:0:0:0:ffff:768e:25f3
118.142.37.244 0:0:0:0:0:ffff:768e:25f4
118.142.37.245 0:0:0:0:0:ffff:768e:25f5
118.142.37.246 0:0:0:0:0:ffff:768e:25f6
118.142.37.247 0:0:0:0:0:ffff:768e:25f7
118.142.37.248 0:0:0:0:0:ffff:768e:25f8
118.142.37.249 0:0:0:0:0:ffff:768e:25f9
118.142.37.250 0:0:0:0:0:ffff:768e:25fa
118.142.37.251 0:0:0:0:0:ffff:768e:25fb
118.142.37.252 0:0:0:0:0:ffff:768e:25fc
118.142.37.253 0:0:0:0:0:ffff:768e:25fd
118.142.37.254 0:0:0:0:0:ffff:768e:25fe
118.142.37.255 0:0:0:0:0:ffff:768e: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.