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
65.76.85.1 0:0:0:0:0:ffff:414c:5501
65.76.85.2 0:0:0:0:0:ffff:414c:5502
65.76.85.3 0:0:0:0:0:ffff:414c:5503
65.76.85.4 0:0:0:0:0:ffff:414c:5504
65.76.85.5 0:0:0:0:0:ffff:414c:5505
65.76.85.6 0:0:0:0:0:ffff:414c:5506
65.76.85.7 0:0:0:0:0:ffff:414c:5507
65.76.85.8 0:0:0:0:0:ffff:414c:5508
65.76.85.9 0:0:0:0:0:ffff:414c:5509
65.76.85.10 0:0:0:0:0:ffff:414c:550a
65.76.85.11 0:0:0:0:0:ffff:414c:550b
65.76.85.12 0:0:0:0:0:ffff:414c:550c
65.76.85.13 0:0:0:0:0:ffff:414c:550d
65.76.85.14 0:0:0:0:0:ffff:414c:550e
65.76.85.15 0:0:0:0:0:ffff:414c:550f
65.76.85.16 0:0:0:0:0:ffff:414c:5510
65.76.85.17 0:0:0:0:0:ffff:414c:5511
65.76.85.18 0:0:0:0:0:ffff:414c:5512
65.76.85.19 0:0:0:0:0:ffff:414c:5513
65.76.85.20 0:0:0:0:0:ffff:414c:5514
65.76.85.21 0:0:0:0:0:ffff:414c:5515
65.76.85.22 0:0:0:0:0:ffff:414c:5516
65.76.85.23 0:0:0:0:0:ffff:414c:5517
65.76.85.24 0:0:0:0:0:ffff:414c:5518
65.76.85.25 0:0:0:0:0:ffff:414c:5519
65.76.85.26 0:0:0:0:0:ffff:414c:551a
65.76.85.27 0:0:0:0:0:ffff:414c:551b
65.76.85.28 0:0:0:0:0:ffff:414c:551c
65.76.85.29 0:0:0:0:0:ffff:414c:551d
65.76.85.30 0:0:0:0:0:ffff:414c:551e
65.76.85.31 0:0:0:0:0:ffff:414c:551f
65.76.85.32 0:0:0:0:0:ffff:414c:5520
65.76.85.33 0:0:0:0:0:ffff:414c:5521
65.76.85.34 0:0:0:0:0:ffff:414c:5522
65.76.85.35 0:0:0:0:0:ffff:414c:5523
65.76.85.36 0:0:0:0:0:ffff:414c:5524
65.76.85.37 0:0:0:0:0:ffff:414c:5525
65.76.85.38 0:0:0:0:0:ffff:414c:5526
65.76.85.39 0:0:0:0:0:ffff:414c:5527
65.76.85.40 0:0:0:0:0:ffff:414c:5528
65.76.85.41 0:0:0:0:0:ffff:414c:5529
65.76.85.42 0:0:0:0:0:ffff:414c:552a
65.76.85.43 0:0:0:0:0:ffff:414c:552b
65.76.85.44 0:0:0:0:0:ffff:414c:552c
65.76.85.45 0:0:0:0:0:ffff:414c:552d
65.76.85.46 0:0:0:0:0:ffff:414c:552e
65.76.85.47 0:0:0:0:0:ffff:414c:552f
65.76.85.48 0:0:0:0:0:ffff:414c:5530
65.76.85.49 0:0:0:0:0:ffff:414c:5531
65.76.85.50 0:0:0:0:0:ffff:414c:5532
65.76.85.51 0:0:0:0:0:ffff:414c:5533
65.76.85.52 0:0:0:0:0:ffff:414c:5534
65.76.85.53 0:0:0:0:0:ffff:414c:5535
65.76.85.54 0:0:0:0:0:ffff:414c:5536
65.76.85.55 0:0:0:0:0:ffff:414c:5537
65.76.85.56 0:0:0:0:0:ffff:414c:5538
65.76.85.57 0:0:0:0:0:ffff:414c:5539
65.76.85.58 0:0:0:0:0:ffff:414c:553a
65.76.85.59 0:0:0:0:0:ffff:414c:553b
65.76.85.60 0:0:0:0:0:ffff:414c:553c


65.76.85.61 0:0:0:0:0:ffff:414c:553d
65.76.85.62 0:0:0:0:0:ffff:414c:553e
65.76.85.63 0:0:0:0:0:ffff:414c:553f
65.76.85.64 0:0:0:0:0:ffff:414c:5540
65.76.85.65 0:0:0:0:0:ffff:414c:5541
65.76.85.66 0:0:0:0:0:ffff:414c:5542
65.76.85.67 0:0:0:0:0:ffff:414c:5543
65.76.85.68 0:0:0:0:0:ffff:414c:5544
65.76.85.69 0:0:0:0:0:ffff:414c:5545
65.76.85.70 0:0:0:0:0:ffff:414c:5546
65.76.85.71 0:0:0:0:0:ffff:414c:5547
65.76.85.72 0:0:0:0:0:ffff:414c:5548
65.76.85.73 0:0:0:0:0:ffff:414c:5549
65.76.85.74 0:0:0:0:0:ffff:414c:554a
65.76.85.75 0:0:0:0:0:ffff:414c:554b
65.76.85.76 0:0:0:0:0:ffff:414c:554c
65.76.85.77 0:0:0:0:0:ffff:414c:554d
65.76.85.78 0:0:0:0:0:ffff:414c:554e
65.76.85.79 0:0:0:0:0:ffff:414c:554f
65.76.85.80 0:0:0:0:0:ffff:414c:5550
65.76.85.81 0:0:0:0:0:ffff:414c:5551
65.76.85.82 0:0:0:0:0:ffff:414c:5552
65.76.85.83 0:0:0:0:0:ffff:414c:5553
65.76.85.84 0:0:0:0:0:ffff:414c:5554
65.76.85.85 0:0:0:0:0:ffff:414c:5555
65.76.85.86 0:0:0:0:0:ffff:414c:5556
65.76.85.87 0:0:0:0:0:ffff:414c:5557
65.76.85.88 0:0:0:0:0:ffff:414c:5558
65.76.85.89 0:0:0:0:0:ffff:414c:5559
65.76.85.90 0:0:0:0:0:ffff:414c:555a
65.76.85.91 0:0:0:0:0:ffff:414c:555b
65.76.85.92 0:0:0:0:0:ffff:414c:555c
65.76.85.93 0:0:0:0:0:ffff:414c:555d
65.76.85.94 0:0:0:0:0:ffff:414c:555e
65.76.85.95 0:0:0:0:0:ffff:414c:555f
65.76.85.96 0:0:0:0:0:ffff:414c:5560
65.76.85.97 0:0:0:0:0:ffff:414c:5561
65.76.85.98 0:0:0:0:0:ffff:414c:5562
65.76.85.99 0:0:0:0:0:ffff:414c:5563
65.76.85.100 0:0:0:0:0:ffff:414c:5564
65.76.85.101 0:0:0:0:0:ffff:414c:5565
65.76.85.102 0:0:0:0:0:ffff:414c:5566
65.76.85.103 0:0:0:0:0:ffff:414c:5567
65.76.85.104 0:0:0:0:0:ffff:414c:5568
65.76.85.105 0:0:0:0:0:ffff:414c:5569
65.76.85.106 0:0:0:0:0:ffff:414c:556a
65.76.85.107 0:0:0:0:0:ffff:414c:556b
65.76.85.108 0:0:0:0:0:ffff:414c:556c
65.76.85.109 0:0:0:0:0:ffff:414c:556d
65.76.85.110 0:0:0:0:0:ffff:414c:556e
65.76.85.111 0:0:0:0:0:ffff:414c:556f
65.76.85.112 0:0:0:0:0:ffff:414c:5570
65.76.85.113 0:0:0:0:0:ffff:414c:5571
65.76.85.114 0:0:0:0:0:ffff:414c:5572
65.76.85.115 0:0:0:0:0:ffff:414c:5573
65.76.85.116 0:0:0:0:0:ffff:414c:5574
65.76.85.117 0:0:0:0:0:ffff:414c:5575
65.76.85.118 0:0:0:0:0:ffff:414c:5576
65.76.85.119 0:0:0:0:0:ffff:414c:5577
65.76.85.120 0:0:0:0:0:ffff:414c:5578


65.76.85.121 0:0:0:0:0:ffff:414c:5579
65.76.85.122 0:0:0:0:0:ffff:414c:557a
65.76.85.123 0:0:0:0:0:ffff:414c:557b
65.76.85.124 0:0:0:0:0:ffff:414c:557c
65.76.85.125 0:0:0:0:0:ffff:414c:557d
65.76.85.126 0:0:0:0:0:ffff:414c:557e
65.76.85.127 0:0:0:0:0:ffff:414c:557f
65.76.85.128 0:0:0:0:0:ffff:414c:5580
65.76.85.129 0:0:0:0:0:ffff:414c:5581
65.76.85.130 0:0:0:0:0:ffff:414c:5582
65.76.85.131 0:0:0:0:0:ffff:414c:5583
65.76.85.132 0:0:0:0:0:ffff:414c:5584
65.76.85.133 0:0:0:0:0:ffff:414c:5585
65.76.85.134 0:0:0:0:0:ffff:414c:5586
65.76.85.135 0:0:0:0:0:ffff:414c:5587
65.76.85.136 0:0:0:0:0:ffff:414c:5588
65.76.85.137 0:0:0:0:0:ffff:414c:5589
65.76.85.138 0:0:0:0:0:ffff:414c:558a
65.76.85.139 0:0:0:0:0:ffff:414c:558b
65.76.85.140 0:0:0:0:0:ffff:414c:558c
65.76.85.141 0:0:0:0:0:ffff:414c:558d
65.76.85.142 0:0:0:0:0:ffff:414c:558e
65.76.85.143 0:0:0:0:0:ffff:414c:558f
65.76.85.144 0:0:0:0:0:ffff:414c:5590
65.76.85.145 0:0:0:0:0:ffff:414c:5591
65.76.85.146 0:0:0:0:0:ffff:414c:5592
65.76.85.147 0:0:0:0:0:ffff:414c:5593
65.76.85.148 0:0:0:0:0:ffff:414c:5594
65.76.85.149 0:0:0:0:0:ffff:414c:5595
65.76.85.150 0:0:0:0:0:ffff:414c:5596
65.76.85.151 0:0:0:0:0:ffff:414c:5597
65.76.85.152 0:0:0:0:0:ffff:414c:5598
65.76.85.153 0:0:0:0:0:ffff:414c:5599
65.76.85.154 0:0:0:0:0:ffff:414c:559a
65.76.85.155 0:0:0:0:0:ffff:414c:559b
65.76.85.156 0:0:0:0:0:ffff:414c:559c
65.76.85.157 0:0:0:0:0:ffff:414c:559d
65.76.85.158 0:0:0:0:0:ffff:414c:559e
65.76.85.159 0:0:0:0:0:ffff:414c:559f
65.76.85.160 0:0:0:0:0:ffff:414c:55a0
65.76.85.161 0:0:0:0:0:ffff:414c:55a1
65.76.85.162 0:0:0:0:0:ffff:414c:55a2
65.76.85.163 0:0:0:0:0:ffff:414c:55a3
65.76.85.164 0:0:0:0:0:ffff:414c:55a4
65.76.85.165 0:0:0:0:0:ffff:414c:55a5
65.76.85.166 0:0:0:0:0:ffff:414c:55a6
65.76.85.167 0:0:0:0:0:ffff:414c:55a7
65.76.85.168 0:0:0:0:0:ffff:414c:55a8
65.76.85.169 0:0:0:0:0:ffff:414c:55a9
65.76.85.170 0:0:0:0:0:ffff:414c:55aa
65.76.85.171 0:0:0:0:0:ffff:414c:55ab
65.76.85.172 0:0:0:0:0:ffff:414c:55ac
65.76.85.173 0:0:0:0:0:ffff:414c:55ad
65.76.85.174 0:0:0:0:0:ffff:414c:55ae
65.76.85.175 0:0:0:0:0:ffff:414c:55af
65.76.85.176 0:0:0:0:0:ffff:414c:55b0
65.76.85.177 0:0:0:0:0:ffff:414c:55b1
65.76.85.178 0:0:0:0:0:ffff:414c:55b2
65.76.85.179 0:0:0:0:0:ffff:414c:55b3
65.76.85.180 0:0:0:0:0:ffff:414c:55b4


65.76.85.181 0:0:0:0:0:ffff:414c:55b5
65.76.85.182 0:0:0:0:0:ffff:414c:55b6
65.76.85.183 0:0:0:0:0:ffff:414c:55b7
65.76.85.184 0:0:0:0:0:ffff:414c:55b8
65.76.85.185 0:0:0:0:0:ffff:414c:55b9
65.76.85.186 0:0:0:0:0:ffff:414c:55ba
65.76.85.187 0:0:0:0:0:ffff:414c:55bb
65.76.85.188 0:0:0:0:0:ffff:414c:55bc
65.76.85.189 0:0:0:0:0:ffff:414c:55bd
65.76.85.190 0:0:0:0:0:ffff:414c:55be
65.76.85.191 0:0:0:0:0:ffff:414c:55bf
65.76.85.192 0:0:0:0:0:ffff:414c:55c0
65.76.85.193 0:0:0:0:0:ffff:414c:55c1
65.76.85.194 0:0:0:0:0:ffff:414c:55c2
65.76.85.195 0:0:0:0:0:ffff:414c:55c3
65.76.85.196 0:0:0:0:0:ffff:414c:55c4
65.76.85.197 0:0:0:0:0:ffff:414c:55c5
65.76.85.198 0:0:0:0:0:ffff:414c:55c6
65.76.85.199 0:0:0:0:0:ffff:414c:55c7
65.76.85.200 0:0:0:0:0:ffff:414c:55c8
65.76.85.201 0:0:0:0:0:ffff:414c:55c9
65.76.85.202 0:0:0:0:0:ffff:414c:55ca
65.76.85.203 0:0:0:0:0:ffff:414c:55cb
65.76.85.204 0:0:0:0:0:ffff:414c:55cc
65.76.85.205 0:0:0:0:0:ffff:414c:55cd
65.76.85.206 0:0:0:0:0:ffff:414c:55ce
65.76.85.207 0:0:0:0:0:ffff:414c:55cf
65.76.85.208 0:0:0:0:0:ffff:414c:55d0
65.76.85.209 0:0:0:0:0:ffff:414c:55d1
65.76.85.210 0:0:0:0:0:ffff:414c:55d2
65.76.85.211 0:0:0:0:0:ffff:414c:55d3
65.76.85.212 0:0:0:0:0:ffff:414c:55d4
65.76.85.213 0:0:0:0:0:ffff:414c:55d5
65.76.85.214 0:0:0:0:0:ffff:414c:55d6
65.76.85.215 0:0:0:0:0:ffff:414c:55d7
65.76.85.216 0:0:0:0:0:ffff:414c:55d8
65.76.85.217 0:0:0:0:0:ffff:414c:55d9
65.76.85.218 0:0:0:0:0:ffff:414c:55da
65.76.85.219 0:0:0:0:0:ffff:414c:55db
65.76.85.220 0:0:0:0:0:ffff:414c:55dc
65.76.85.221 0:0:0:0:0:ffff:414c:55dd
65.76.85.222 0:0:0:0:0:ffff:414c:55de
65.76.85.223 0:0:0:0:0:ffff:414c:55df
65.76.85.224 0:0:0:0:0:ffff:414c:55e0
65.76.85.225 0:0:0:0:0:ffff:414c:55e1
65.76.85.226 0:0:0:0:0:ffff:414c:55e2
65.76.85.227 0:0:0:0:0:ffff:414c:55e3
65.76.85.228 0:0:0:0:0:ffff:414c:55e4
65.76.85.229 0:0:0:0:0:ffff:414c:55e5
65.76.85.230 0:0:0:0:0:ffff:414c:55e6
65.76.85.231 0:0:0:0:0:ffff:414c:55e7
65.76.85.232 0:0:0:0:0:ffff:414c:55e8
65.76.85.233 0:0:0:0:0:ffff:414c:55e9
65.76.85.234 0:0:0:0:0:ffff:414c:55ea
65.76.85.235 0:0:0:0:0:ffff:414c:55eb
65.76.85.236 0:0:0:0:0:ffff:414c:55ec
65.76.85.237 0:0:0:0:0:ffff:414c:55ed
65.76.85.238 0:0:0:0:0:ffff:414c:55ee
65.76.85.239 0:0:0:0:0:ffff:414c:55ef
65.76.85.240 0:0:0:0:0:ffff:414c:55f0
65.76.85.241 0:0:0:0:0:ffff:414c:55f1
65.76.85.242 0:0:0:0:0:ffff:414c:55f2
65.76.85.243 0:0:0:0:0:ffff:414c:55f3
65.76.85.244 0:0:0:0:0:ffff:414c:55f4
65.76.85.245 0:0:0:0:0:ffff:414c:55f5
65.76.85.246 0:0:0:0:0:ffff:414c:55f6
65.76.85.247 0:0:0:0:0:ffff:414c:55f7
65.76.85.248 0:0:0:0:0:ffff:414c:55f8
65.76.85.249 0:0:0:0:0:ffff:414c:55f9
65.76.85.250 0:0:0:0:0:ffff:414c:55fa
65.76.85.251 0:0:0:0:0:ffff:414c:55fb
65.76.85.252 0:0:0:0:0:ffff:414c:55fc
65.76.85.253 0:0:0:0:0:ffff:414c:55fd
65.76.85.254 0:0:0:0:0:ffff:414c:55fe
65.76.85.255 0:0:0:0:0:ffff:414c:55ff


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.