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
99.77.37.1 0:0:0:0:0:ffff:634d:2501
99.77.37.2 0:0:0:0:0:ffff:634d:2502
99.77.37.3 0:0:0:0:0:ffff:634d:2503
99.77.37.4 0:0:0:0:0:ffff:634d:2504
99.77.37.5 0:0:0:0:0:ffff:634d:2505
99.77.37.6 0:0:0:0:0:ffff:634d:2506
99.77.37.7 0:0:0:0:0:ffff:634d:2507
99.77.37.8 0:0:0:0:0:ffff:634d:2508
99.77.37.9 0:0:0:0:0:ffff:634d:2509
99.77.37.10 0:0:0:0:0:ffff:634d:250a
99.77.37.11 0:0:0:0:0:ffff:634d:250b
99.77.37.12 0:0:0:0:0:ffff:634d:250c
99.77.37.13 0:0:0:0:0:ffff:634d:250d
99.77.37.14 0:0:0:0:0:ffff:634d:250e
99.77.37.15 0:0:0:0:0:ffff:634d:250f
99.77.37.16 0:0:0:0:0:ffff:634d:2510
99.77.37.17 0:0:0:0:0:ffff:634d:2511
99.77.37.18 0:0:0:0:0:ffff:634d:2512
99.77.37.19 0:0:0:0:0:ffff:634d:2513
99.77.37.20 0:0:0:0:0:ffff:634d:2514
99.77.37.21 0:0:0:0:0:ffff:634d:2515
99.77.37.22 0:0:0:0:0:ffff:634d:2516
99.77.37.23 0:0:0:0:0:ffff:634d:2517
99.77.37.24 0:0:0:0:0:ffff:634d:2518
99.77.37.25 0:0:0:0:0:ffff:634d:2519
99.77.37.26 0:0:0:0:0:ffff:634d:251a
99.77.37.27 0:0:0:0:0:ffff:634d:251b
99.77.37.28 0:0:0:0:0:ffff:634d:251c
99.77.37.29 0:0:0:0:0:ffff:634d:251d
99.77.37.30 0:0:0:0:0:ffff:634d:251e
99.77.37.31 0:0:0:0:0:ffff:634d:251f
99.77.37.32 0:0:0:0:0:ffff:634d:2520
99.77.37.33 0:0:0:0:0:ffff:634d:2521
99.77.37.34 0:0:0:0:0:ffff:634d:2522
99.77.37.35 0:0:0:0:0:ffff:634d:2523
99.77.37.36 0:0:0:0:0:ffff:634d:2524
99.77.37.37 0:0:0:0:0:ffff:634d:2525
99.77.37.38 0:0:0:0:0:ffff:634d:2526
99.77.37.39 0:0:0:0:0:ffff:634d:2527
99.77.37.40 0:0:0:0:0:ffff:634d:2528
99.77.37.41 0:0:0:0:0:ffff:634d:2529
99.77.37.42 0:0:0:0:0:ffff:634d:252a
99.77.37.43 0:0:0:0:0:ffff:634d:252b
99.77.37.44 0:0:0:0:0:ffff:634d:252c
99.77.37.45 0:0:0:0:0:ffff:634d:252d
99.77.37.46 0:0:0:0:0:ffff:634d:252e
99.77.37.47 0:0:0:0:0:ffff:634d:252f
99.77.37.48 0:0:0:0:0:ffff:634d:2530
99.77.37.49 0:0:0:0:0:ffff:634d:2531
99.77.37.50 0:0:0:0:0:ffff:634d:2532
99.77.37.51 0:0:0:0:0:ffff:634d:2533
99.77.37.52 0:0:0:0:0:ffff:634d:2534
99.77.37.53 0:0:0:0:0:ffff:634d:2535
99.77.37.54 0:0:0:0:0:ffff:634d:2536
99.77.37.55 0:0:0:0:0:ffff:634d:2537
99.77.37.56 0:0:0:0:0:ffff:634d:2538
99.77.37.57 0:0:0:0:0:ffff:634d:2539
99.77.37.58 0:0:0:0:0:ffff:634d:253a
99.77.37.59 0:0:0:0:0:ffff:634d:253b
99.77.37.60 0:0:0:0:0:ffff:634d:253c


99.77.37.61 0:0:0:0:0:ffff:634d:253d
99.77.37.62 0:0:0:0:0:ffff:634d:253e
99.77.37.63 0:0:0:0:0:ffff:634d:253f
99.77.37.64 0:0:0:0:0:ffff:634d:2540
99.77.37.65 0:0:0:0:0:ffff:634d:2541
99.77.37.66 0:0:0:0:0:ffff:634d:2542
99.77.37.67 0:0:0:0:0:ffff:634d:2543
99.77.37.68 0:0:0:0:0:ffff:634d:2544
99.77.37.69 0:0:0:0:0:ffff:634d:2545
99.77.37.70 0:0:0:0:0:ffff:634d:2546
99.77.37.71 0:0:0:0:0:ffff:634d:2547
99.77.37.72 0:0:0:0:0:ffff:634d:2548
99.77.37.73 0:0:0:0:0:ffff:634d:2549
99.77.37.74 0:0:0:0:0:ffff:634d:254a
99.77.37.75 0:0:0:0:0:ffff:634d:254b
99.77.37.76 0:0:0:0:0:ffff:634d:254c
99.77.37.77 0:0:0:0:0:ffff:634d:254d
99.77.37.78 0:0:0:0:0:ffff:634d:254e
99.77.37.79 0:0:0:0:0:ffff:634d:254f
99.77.37.80 0:0:0:0:0:ffff:634d:2550
99.77.37.81 0:0:0:0:0:ffff:634d:2551
99.77.37.82 0:0:0:0:0:ffff:634d:2552
99.77.37.83 0:0:0:0:0:ffff:634d:2553
99.77.37.84 0:0:0:0:0:ffff:634d:2554
99.77.37.85 0:0:0:0:0:ffff:634d:2555
99.77.37.86 0:0:0:0:0:ffff:634d:2556
99.77.37.87 0:0:0:0:0:ffff:634d:2557
99.77.37.88 0:0:0:0:0:ffff:634d:2558
99.77.37.89 0:0:0:0:0:ffff:634d:2559
99.77.37.90 0:0:0:0:0:ffff:634d:255a
99.77.37.91 0:0:0:0:0:ffff:634d:255b
99.77.37.92 0:0:0:0:0:ffff:634d:255c
99.77.37.93 0:0:0:0:0:ffff:634d:255d
99.77.37.94 0:0:0:0:0:ffff:634d:255e
99.77.37.95 0:0:0:0:0:ffff:634d:255f
99.77.37.96 0:0:0:0:0:ffff:634d:2560
99.77.37.97 0:0:0:0:0:ffff:634d:2561
99.77.37.98 0:0:0:0:0:ffff:634d:2562
99.77.37.99 0:0:0:0:0:ffff:634d:2563
99.77.37.100 0:0:0:0:0:ffff:634d:2564
99.77.37.101 0:0:0:0:0:ffff:634d:2565
99.77.37.102 0:0:0:0:0:ffff:634d:2566
99.77.37.103 0:0:0:0:0:ffff:634d:2567
99.77.37.104 0:0:0:0:0:ffff:634d:2568
99.77.37.105 0:0:0:0:0:ffff:634d:2569
99.77.37.106 0:0:0:0:0:ffff:634d:256a
99.77.37.107 0:0:0:0:0:ffff:634d:256b
99.77.37.108 0:0:0:0:0:ffff:634d:256c
99.77.37.109 0:0:0:0:0:ffff:634d:256d
99.77.37.110 0:0:0:0:0:ffff:634d:256e
99.77.37.111 0:0:0:0:0:ffff:634d:256f
99.77.37.112 0:0:0:0:0:ffff:634d:2570
99.77.37.113 0:0:0:0:0:ffff:634d:2571
99.77.37.114 0:0:0:0:0:ffff:634d:2572
99.77.37.115 0:0:0:0:0:ffff:634d:2573
99.77.37.116 0:0:0:0:0:ffff:634d:2574
99.77.37.117 0:0:0:0:0:ffff:634d:2575
99.77.37.118 0:0:0:0:0:ffff:634d:2576
99.77.37.119 0:0:0:0:0:ffff:634d:2577
99.77.37.120 0:0:0:0:0:ffff:634d:2578


99.77.37.121 0:0:0:0:0:ffff:634d:2579
99.77.37.122 0:0:0:0:0:ffff:634d:257a
99.77.37.123 0:0:0:0:0:ffff:634d:257b
99.77.37.124 0:0:0:0:0:ffff:634d:257c
99.77.37.125 0:0:0:0:0:ffff:634d:257d
99.77.37.126 0:0:0:0:0:ffff:634d:257e
99.77.37.127 0:0:0:0:0:ffff:634d:257f
99.77.37.128 0:0:0:0:0:ffff:634d:2580
99.77.37.129 0:0:0:0:0:ffff:634d:2581
99.77.37.130 0:0:0:0:0:ffff:634d:2582
99.77.37.131 0:0:0:0:0:ffff:634d:2583
99.77.37.132 0:0:0:0:0:ffff:634d:2584
99.77.37.133 0:0:0:0:0:ffff:634d:2585
99.77.37.134 0:0:0:0:0:ffff:634d:2586
99.77.37.135 0:0:0:0:0:ffff:634d:2587
99.77.37.136 0:0:0:0:0:ffff:634d:2588
99.77.37.137 0:0:0:0:0:ffff:634d:2589
99.77.37.138 0:0:0:0:0:ffff:634d:258a
99.77.37.139 0:0:0:0:0:ffff:634d:258b
99.77.37.140 0:0:0:0:0:ffff:634d:258c
99.77.37.141 0:0:0:0:0:ffff:634d:258d
99.77.37.142 0:0:0:0:0:ffff:634d:258e
99.77.37.143 0:0:0:0:0:ffff:634d:258f
99.77.37.144 0:0:0:0:0:ffff:634d:2590
99.77.37.145 0:0:0:0:0:ffff:634d:2591
99.77.37.146 0:0:0:0:0:ffff:634d:2592
99.77.37.147 0:0:0:0:0:ffff:634d:2593
99.77.37.148 0:0:0:0:0:ffff:634d:2594
99.77.37.149 0:0:0:0:0:ffff:634d:2595
99.77.37.150 0:0:0:0:0:ffff:634d:2596
99.77.37.151 0:0:0:0:0:ffff:634d:2597
99.77.37.152 0:0:0:0:0:ffff:634d:2598
99.77.37.153 0:0:0:0:0:ffff:634d:2599
99.77.37.154 0:0:0:0:0:ffff:634d:259a
99.77.37.155 0:0:0:0:0:ffff:634d:259b
99.77.37.156 0:0:0:0:0:ffff:634d:259c
99.77.37.157 0:0:0:0:0:ffff:634d:259d
99.77.37.158 0:0:0:0:0:ffff:634d:259e
99.77.37.159 0:0:0:0:0:ffff:634d:259f
99.77.37.160 0:0:0:0:0:ffff:634d:25a0
99.77.37.161 0:0:0:0:0:ffff:634d:25a1
99.77.37.162 0:0:0:0:0:ffff:634d:25a2
99.77.37.163 0:0:0:0:0:ffff:634d:25a3
99.77.37.164 0:0:0:0:0:ffff:634d:25a4
99.77.37.165 0:0:0:0:0:ffff:634d:25a5
99.77.37.166 0:0:0:0:0:ffff:634d:25a6
99.77.37.167 0:0:0:0:0:ffff:634d:25a7
99.77.37.168 0:0:0:0:0:ffff:634d:25a8
99.77.37.169 0:0:0:0:0:ffff:634d:25a9
99.77.37.170 0:0:0:0:0:ffff:634d:25aa
99.77.37.171 0:0:0:0:0:ffff:634d:25ab
99.77.37.172 0:0:0:0:0:ffff:634d:25ac
99.77.37.173 0:0:0:0:0:ffff:634d:25ad
99.77.37.174 0:0:0:0:0:ffff:634d:25ae
99.77.37.175 0:0:0:0:0:ffff:634d:25af
99.77.37.176 0:0:0:0:0:ffff:634d:25b0
99.77.37.177 0:0:0:0:0:ffff:634d:25b1
99.77.37.178 0:0:0:0:0:ffff:634d:25b2
99.77.37.179 0:0:0:0:0:ffff:634d:25b3
99.77.37.180 0:0:0:0:0:ffff:634d:25b4


99.77.37.181 0:0:0:0:0:ffff:634d:25b5
99.77.37.182 0:0:0:0:0:ffff:634d:25b6
99.77.37.183 0:0:0:0:0:ffff:634d:25b7
99.77.37.184 0:0:0:0:0:ffff:634d:25b8
99.77.37.185 0:0:0:0:0:ffff:634d:25b9
99.77.37.186 0:0:0:0:0:ffff:634d:25ba
99.77.37.187 0:0:0:0:0:ffff:634d:25bb
99.77.37.188 0:0:0:0:0:ffff:634d:25bc
99.77.37.189 0:0:0:0:0:ffff:634d:25bd
99.77.37.190 0:0:0:0:0:ffff:634d:25be
99.77.37.191 0:0:0:0:0:ffff:634d:25bf
99.77.37.192 0:0:0:0:0:ffff:634d:25c0
99.77.37.193 0:0:0:0:0:ffff:634d:25c1
99.77.37.194 0:0:0:0:0:ffff:634d:25c2
99.77.37.195 0:0:0:0:0:ffff:634d:25c3
99.77.37.196 0:0:0:0:0:ffff:634d:25c4
99.77.37.197 0:0:0:0:0:ffff:634d:25c5
99.77.37.198 0:0:0:0:0:ffff:634d:25c6
99.77.37.199 0:0:0:0:0:ffff:634d:25c7
99.77.37.200 0:0:0:0:0:ffff:634d:25c8
99.77.37.201 0:0:0:0:0:ffff:634d:25c9
99.77.37.202 0:0:0:0:0:ffff:634d:25ca
99.77.37.203 0:0:0:0:0:ffff:634d:25cb
99.77.37.204 0:0:0:0:0:ffff:634d:25cc
99.77.37.205 0:0:0:0:0:ffff:634d:25cd
99.77.37.206 0:0:0:0:0:ffff:634d:25ce
99.77.37.207 0:0:0:0:0:ffff:634d:25cf
99.77.37.208 0:0:0:0:0:ffff:634d:25d0
99.77.37.209 0:0:0:0:0:ffff:634d:25d1
99.77.37.210 0:0:0:0:0:ffff:634d:25d2
99.77.37.211 0:0:0:0:0:ffff:634d:25d3
99.77.37.212 0:0:0:0:0:ffff:634d:25d4
99.77.37.213 0:0:0:0:0:ffff:634d:25d5
99.77.37.214 0:0:0:0:0:ffff:634d:25d6
99.77.37.215 0:0:0:0:0:ffff:634d:25d7
99.77.37.216 0:0:0:0:0:ffff:634d:25d8
99.77.37.217 0:0:0:0:0:ffff:634d:25d9
99.77.37.218 0:0:0:0:0:ffff:634d:25da
99.77.37.219 0:0:0:0:0:ffff:634d:25db
99.77.37.220 0:0:0:0:0:ffff:634d:25dc
99.77.37.221 0:0:0:0:0:ffff:634d:25dd
99.77.37.222 0:0:0:0:0:ffff:634d:25de
99.77.37.223 0:0:0:0:0:ffff:634d:25df
99.77.37.224 0:0:0:0:0:ffff:634d:25e0
99.77.37.225 0:0:0:0:0:ffff:634d:25e1
99.77.37.226 0:0:0:0:0:ffff:634d:25e2
99.77.37.227 0:0:0:0:0:ffff:634d:25e3
99.77.37.228 0:0:0:0:0:ffff:634d:25e4
99.77.37.229 0:0:0:0:0:ffff:634d:25e5
99.77.37.230 0:0:0:0:0:ffff:634d:25e6
99.77.37.231 0:0:0:0:0:ffff:634d:25e7
99.77.37.232 0:0:0:0:0:ffff:634d:25e8
99.77.37.233 0:0:0:0:0:ffff:634d:25e9
99.77.37.234 0:0:0:0:0:ffff:634d:25ea
99.77.37.235 0:0:0:0:0:ffff:634d:25eb
99.77.37.236 0:0:0:0:0:ffff:634d:25ec
99.77.37.237 0:0:0:0:0:ffff:634d:25ed
99.77.37.238 0:0:0:0:0:ffff:634d:25ee
99.77.37.239 0:0:0:0:0:ffff:634d:25ef
99.77.37.240 0:0:0:0:0:ffff:634d:25f0
99.77.37.241 0:0:0:0:0:ffff:634d:25f1
99.77.37.242 0:0:0:0:0:ffff:634d:25f2
99.77.37.243 0:0:0:0:0:ffff:634d:25f3
99.77.37.244 0:0:0:0:0:ffff:634d:25f4
99.77.37.245 0:0:0:0:0:ffff:634d:25f5
99.77.37.246 0:0:0:0:0:ffff:634d:25f6
99.77.37.247 0:0:0:0:0:ffff:634d:25f7
99.77.37.248 0:0:0:0:0:ffff:634d:25f8
99.77.37.249 0:0:0:0:0:ffff:634d:25f9
99.77.37.250 0:0:0:0:0:ffff:634d:25fa
99.77.37.251 0:0:0:0:0:ffff:634d:25fb
99.77.37.252 0:0:0:0:0:ffff:634d:25fc
99.77.37.253 0:0:0:0:0:ffff:634d:25fd
99.77.37.254 0:0:0:0:0:ffff:634d:25fe
99.77.37.255 0:0:0:0:0:ffff:634d: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.