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
100.136.85.1 0:0:0:0:0:ffff:6488:5501
100.136.85.2 0:0:0:0:0:ffff:6488:5502
100.136.85.3 0:0:0:0:0:ffff:6488:5503
100.136.85.4 0:0:0:0:0:ffff:6488:5504
100.136.85.5 0:0:0:0:0:ffff:6488:5505
100.136.85.6 0:0:0:0:0:ffff:6488:5506
100.136.85.7 0:0:0:0:0:ffff:6488:5507
100.136.85.8 0:0:0:0:0:ffff:6488:5508
100.136.85.9 0:0:0:0:0:ffff:6488:5509
100.136.85.10 0:0:0:0:0:ffff:6488:550a
100.136.85.11 0:0:0:0:0:ffff:6488:550b
100.136.85.12 0:0:0:0:0:ffff:6488:550c
100.136.85.13 0:0:0:0:0:ffff:6488:550d
100.136.85.14 0:0:0:0:0:ffff:6488:550e
100.136.85.15 0:0:0:0:0:ffff:6488:550f
100.136.85.16 0:0:0:0:0:ffff:6488:5510
100.136.85.17 0:0:0:0:0:ffff:6488:5511
100.136.85.18 0:0:0:0:0:ffff:6488:5512
100.136.85.19 0:0:0:0:0:ffff:6488:5513
100.136.85.20 0:0:0:0:0:ffff:6488:5514
100.136.85.21 0:0:0:0:0:ffff:6488:5515
100.136.85.22 0:0:0:0:0:ffff:6488:5516
100.136.85.23 0:0:0:0:0:ffff:6488:5517
100.136.85.24 0:0:0:0:0:ffff:6488:5518
100.136.85.25 0:0:0:0:0:ffff:6488:5519
100.136.85.26 0:0:0:0:0:ffff:6488:551a
100.136.85.27 0:0:0:0:0:ffff:6488:551b
100.136.85.28 0:0:0:0:0:ffff:6488:551c
100.136.85.29 0:0:0:0:0:ffff:6488:551d
100.136.85.30 0:0:0:0:0:ffff:6488:551e
100.136.85.31 0:0:0:0:0:ffff:6488:551f
100.136.85.32 0:0:0:0:0:ffff:6488:5520
100.136.85.33 0:0:0:0:0:ffff:6488:5521
100.136.85.34 0:0:0:0:0:ffff:6488:5522
100.136.85.35 0:0:0:0:0:ffff:6488:5523
100.136.85.36 0:0:0:0:0:ffff:6488:5524
100.136.85.37 0:0:0:0:0:ffff:6488:5525
100.136.85.38 0:0:0:0:0:ffff:6488:5526
100.136.85.39 0:0:0:0:0:ffff:6488:5527
100.136.85.40 0:0:0:0:0:ffff:6488:5528
100.136.85.41 0:0:0:0:0:ffff:6488:5529
100.136.85.42 0:0:0:0:0:ffff:6488:552a
100.136.85.43 0:0:0:0:0:ffff:6488:552b
100.136.85.44 0:0:0:0:0:ffff:6488:552c
100.136.85.45 0:0:0:0:0:ffff:6488:552d
100.136.85.46 0:0:0:0:0:ffff:6488:552e
100.136.85.47 0:0:0:0:0:ffff:6488:552f
100.136.85.48 0:0:0:0:0:ffff:6488:5530
100.136.85.49 0:0:0:0:0:ffff:6488:5531
100.136.85.50 0:0:0:0:0:ffff:6488:5532
100.136.85.51 0:0:0:0:0:ffff:6488:5533
100.136.85.52 0:0:0:0:0:ffff:6488:5534
100.136.85.53 0:0:0:0:0:ffff:6488:5535
100.136.85.54 0:0:0:0:0:ffff:6488:5536
100.136.85.55 0:0:0:0:0:ffff:6488:5537
100.136.85.56 0:0:0:0:0:ffff:6488:5538
100.136.85.57 0:0:0:0:0:ffff:6488:5539
100.136.85.58 0:0:0:0:0:ffff:6488:553a
100.136.85.59 0:0:0:0:0:ffff:6488:553b
100.136.85.60 0:0:0:0:0:ffff:6488:553c


100.136.85.61 0:0:0:0:0:ffff:6488:553d
100.136.85.62 0:0:0:0:0:ffff:6488:553e
100.136.85.63 0:0:0:0:0:ffff:6488:553f
100.136.85.64 0:0:0:0:0:ffff:6488:5540
100.136.85.65 0:0:0:0:0:ffff:6488:5541
100.136.85.66 0:0:0:0:0:ffff:6488:5542
100.136.85.67 0:0:0:0:0:ffff:6488:5543
100.136.85.68 0:0:0:0:0:ffff:6488:5544
100.136.85.69 0:0:0:0:0:ffff:6488:5545
100.136.85.70 0:0:0:0:0:ffff:6488:5546
100.136.85.71 0:0:0:0:0:ffff:6488:5547
100.136.85.72 0:0:0:0:0:ffff:6488:5548
100.136.85.73 0:0:0:0:0:ffff:6488:5549
100.136.85.74 0:0:0:0:0:ffff:6488:554a
100.136.85.75 0:0:0:0:0:ffff:6488:554b
100.136.85.76 0:0:0:0:0:ffff:6488:554c
100.136.85.77 0:0:0:0:0:ffff:6488:554d
100.136.85.78 0:0:0:0:0:ffff:6488:554e
100.136.85.79 0:0:0:0:0:ffff:6488:554f
100.136.85.80 0:0:0:0:0:ffff:6488:5550
100.136.85.81 0:0:0:0:0:ffff:6488:5551
100.136.85.82 0:0:0:0:0:ffff:6488:5552
100.136.85.83 0:0:0:0:0:ffff:6488:5553
100.136.85.84 0:0:0:0:0:ffff:6488:5554
100.136.85.85 0:0:0:0:0:ffff:6488:5555
100.136.85.86 0:0:0:0:0:ffff:6488:5556
100.136.85.87 0:0:0:0:0:ffff:6488:5557
100.136.85.88 0:0:0:0:0:ffff:6488:5558
100.136.85.89 0:0:0:0:0:ffff:6488:5559
100.136.85.90 0:0:0:0:0:ffff:6488:555a
100.136.85.91 0:0:0:0:0:ffff:6488:555b
100.136.85.92 0:0:0:0:0:ffff:6488:555c
100.136.85.93 0:0:0:0:0:ffff:6488:555d
100.136.85.94 0:0:0:0:0:ffff:6488:555e
100.136.85.95 0:0:0:0:0:ffff:6488:555f
100.136.85.96 0:0:0:0:0:ffff:6488:5560
100.136.85.97 0:0:0:0:0:ffff:6488:5561
100.136.85.98 0:0:0:0:0:ffff:6488:5562
100.136.85.99 0:0:0:0:0:ffff:6488:5563
100.136.85.100 0:0:0:0:0:ffff:6488:5564
100.136.85.101 0:0:0:0:0:ffff:6488:5565
100.136.85.102 0:0:0:0:0:ffff:6488:5566
100.136.85.103 0:0:0:0:0:ffff:6488:5567
100.136.85.104 0:0:0:0:0:ffff:6488:5568
100.136.85.105 0:0:0:0:0:ffff:6488:5569
100.136.85.106 0:0:0:0:0:ffff:6488:556a
100.136.85.107 0:0:0:0:0:ffff:6488:556b
100.136.85.108 0:0:0:0:0:ffff:6488:556c
100.136.85.109 0:0:0:0:0:ffff:6488:556d
100.136.85.110 0:0:0:0:0:ffff:6488:556e
100.136.85.111 0:0:0:0:0:ffff:6488:556f
100.136.85.112 0:0:0:0:0:ffff:6488:5570
100.136.85.113 0:0:0:0:0:ffff:6488:5571
100.136.85.114 0:0:0:0:0:ffff:6488:5572
100.136.85.115 0:0:0:0:0:ffff:6488:5573
100.136.85.116 0:0:0:0:0:ffff:6488:5574
100.136.85.117 0:0:0:0:0:ffff:6488:5575
100.136.85.118 0:0:0:0:0:ffff:6488:5576
100.136.85.119 0:0:0:0:0:ffff:6488:5577
100.136.85.120 0:0:0:0:0:ffff:6488:5578


100.136.85.121 0:0:0:0:0:ffff:6488:5579
100.136.85.122 0:0:0:0:0:ffff:6488:557a
100.136.85.123 0:0:0:0:0:ffff:6488:557b
100.136.85.124 0:0:0:0:0:ffff:6488:557c
100.136.85.125 0:0:0:0:0:ffff:6488:557d
100.136.85.126 0:0:0:0:0:ffff:6488:557e
100.136.85.127 0:0:0:0:0:ffff:6488:557f
100.136.85.128 0:0:0:0:0:ffff:6488:5580
100.136.85.129 0:0:0:0:0:ffff:6488:5581
100.136.85.130 0:0:0:0:0:ffff:6488:5582
100.136.85.131 0:0:0:0:0:ffff:6488:5583
100.136.85.132 0:0:0:0:0:ffff:6488:5584
100.136.85.133 0:0:0:0:0:ffff:6488:5585
100.136.85.134 0:0:0:0:0:ffff:6488:5586
100.136.85.135 0:0:0:0:0:ffff:6488:5587
100.136.85.136 0:0:0:0:0:ffff:6488:5588
100.136.85.137 0:0:0:0:0:ffff:6488:5589
100.136.85.138 0:0:0:0:0:ffff:6488:558a
100.136.85.139 0:0:0:0:0:ffff:6488:558b
100.136.85.140 0:0:0:0:0:ffff:6488:558c
100.136.85.141 0:0:0:0:0:ffff:6488:558d
100.136.85.142 0:0:0:0:0:ffff:6488:558e
100.136.85.143 0:0:0:0:0:ffff:6488:558f
100.136.85.144 0:0:0:0:0:ffff:6488:5590
100.136.85.145 0:0:0:0:0:ffff:6488:5591
100.136.85.146 0:0:0:0:0:ffff:6488:5592
100.136.85.147 0:0:0:0:0:ffff:6488:5593
100.136.85.148 0:0:0:0:0:ffff:6488:5594
100.136.85.149 0:0:0:0:0:ffff:6488:5595
100.136.85.150 0:0:0:0:0:ffff:6488:5596
100.136.85.151 0:0:0:0:0:ffff:6488:5597
100.136.85.152 0:0:0:0:0:ffff:6488:5598
100.136.85.153 0:0:0:0:0:ffff:6488:5599
100.136.85.154 0:0:0:0:0:ffff:6488:559a
100.136.85.155 0:0:0:0:0:ffff:6488:559b
100.136.85.156 0:0:0:0:0:ffff:6488:559c
100.136.85.157 0:0:0:0:0:ffff:6488:559d
100.136.85.158 0:0:0:0:0:ffff:6488:559e
100.136.85.159 0:0:0:0:0:ffff:6488:559f
100.136.85.160 0:0:0:0:0:ffff:6488:55a0
100.136.85.161 0:0:0:0:0:ffff:6488:55a1
100.136.85.162 0:0:0:0:0:ffff:6488:55a2
100.136.85.163 0:0:0:0:0:ffff:6488:55a3
100.136.85.164 0:0:0:0:0:ffff:6488:55a4
100.136.85.165 0:0:0:0:0:ffff:6488:55a5
100.136.85.166 0:0:0:0:0:ffff:6488:55a6
100.136.85.167 0:0:0:0:0:ffff:6488:55a7
100.136.85.168 0:0:0:0:0:ffff:6488:55a8
100.136.85.169 0:0:0:0:0:ffff:6488:55a9
100.136.85.170 0:0:0:0:0:ffff:6488:55aa
100.136.85.171 0:0:0:0:0:ffff:6488:55ab
100.136.85.172 0:0:0:0:0:ffff:6488:55ac
100.136.85.173 0:0:0:0:0:ffff:6488:55ad
100.136.85.174 0:0:0:0:0:ffff:6488:55ae
100.136.85.175 0:0:0:0:0:ffff:6488:55af
100.136.85.176 0:0:0:0:0:ffff:6488:55b0
100.136.85.177 0:0:0:0:0:ffff:6488:55b1
100.136.85.178 0:0:0:0:0:ffff:6488:55b2
100.136.85.179 0:0:0:0:0:ffff:6488:55b3
100.136.85.180 0:0:0:0:0:ffff:6488:55b4


100.136.85.181 0:0:0:0:0:ffff:6488:55b5
100.136.85.182 0:0:0:0:0:ffff:6488:55b6
100.136.85.183 0:0:0:0:0:ffff:6488:55b7
100.136.85.184 0:0:0:0:0:ffff:6488:55b8
100.136.85.185 0:0:0:0:0:ffff:6488:55b9
100.136.85.186 0:0:0:0:0:ffff:6488:55ba
100.136.85.187 0:0:0:0:0:ffff:6488:55bb
100.136.85.188 0:0:0:0:0:ffff:6488:55bc
100.136.85.189 0:0:0:0:0:ffff:6488:55bd
100.136.85.190 0:0:0:0:0:ffff:6488:55be
100.136.85.191 0:0:0:0:0:ffff:6488:55bf
100.136.85.192 0:0:0:0:0:ffff:6488:55c0
100.136.85.193 0:0:0:0:0:ffff:6488:55c1
100.136.85.194 0:0:0:0:0:ffff:6488:55c2
100.136.85.195 0:0:0:0:0:ffff:6488:55c3
100.136.85.196 0:0:0:0:0:ffff:6488:55c4
100.136.85.197 0:0:0:0:0:ffff:6488:55c5
100.136.85.198 0:0:0:0:0:ffff:6488:55c6
100.136.85.199 0:0:0:0:0:ffff:6488:55c7
100.136.85.200 0:0:0:0:0:ffff:6488:55c8
100.136.85.201 0:0:0:0:0:ffff:6488:55c9
100.136.85.202 0:0:0:0:0:ffff:6488:55ca
100.136.85.203 0:0:0:0:0:ffff:6488:55cb
100.136.85.204 0:0:0:0:0:ffff:6488:55cc
100.136.85.205 0:0:0:0:0:ffff:6488:55cd
100.136.85.206 0:0:0:0:0:ffff:6488:55ce
100.136.85.207 0:0:0:0:0:ffff:6488:55cf
100.136.85.208 0:0:0:0:0:ffff:6488:55d0
100.136.85.209 0:0:0:0:0:ffff:6488:55d1
100.136.85.210 0:0:0:0:0:ffff:6488:55d2
100.136.85.211 0:0:0:0:0:ffff:6488:55d3
100.136.85.212 0:0:0:0:0:ffff:6488:55d4
100.136.85.213 0:0:0:0:0:ffff:6488:55d5
100.136.85.214 0:0:0:0:0:ffff:6488:55d6
100.136.85.215 0:0:0:0:0:ffff:6488:55d7
100.136.85.216 0:0:0:0:0:ffff:6488:55d8
100.136.85.217 0:0:0:0:0:ffff:6488:55d9
100.136.85.218 0:0:0:0:0:ffff:6488:55da
100.136.85.219 0:0:0:0:0:ffff:6488:55db
100.136.85.220 0:0:0:0:0:ffff:6488:55dc
100.136.85.221 0:0:0:0:0:ffff:6488:55dd
100.136.85.222 0:0:0:0:0:ffff:6488:55de
100.136.85.223 0:0:0:0:0:ffff:6488:55df
100.136.85.224 0:0:0:0:0:ffff:6488:55e0
100.136.85.225 0:0:0:0:0:ffff:6488:55e1
100.136.85.226 0:0:0:0:0:ffff:6488:55e2
100.136.85.227 0:0:0:0:0:ffff:6488:55e3
100.136.85.228 0:0:0:0:0:ffff:6488:55e4
100.136.85.229 0:0:0:0:0:ffff:6488:55e5
100.136.85.230 0:0:0:0:0:ffff:6488:55e6
100.136.85.231 0:0:0:0:0:ffff:6488:55e7
100.136.85.232 0:0:0:0:0:ffff:6488:55e8
100.136.85.233 0:0:0:0:0:ffff:6488:55e9
100.136.85.234 0:0:0:0:0:ffff:6488:55ea
100.136.85.235 0:0:0:0:0:ffff:6488:55eb
100.136.85.236 0:0:0:0:0:ffff:6488:55ec
100.136.85.237 0:0:0:0:0:ffff:6488:55ed
100.136.85.238 0:0:0:0:0:ffff:6488:55ee
100.136.85.239 0:0:0:0:0:ffff:6488:55ef
100.136.85.240 0:0:0:0:0:ffff:6488:55f0
100.136.85.241 0:0:0:0:0:ffff:6488:55f1
100.136.85.242 0:0:0:0:0:ffff:6488:55f2
100.136.85.243 0:0:0:0:0:ffff:6488:55f3
100.136.85.244 0:0:0:0:0:ffff:6488:55f4
100.136.85.245 0:0:0:0:0:ffff:6488:55f5
100.136.85.246 0:0:0:0:0:ffff:6488:55f6
100.136.85.247 0:0:0:0:0:ffff:6488:55f7
100.136.85.248 0:0:0:0:0:ffff:6488:55f8
100.136.85.249 0:0:0:0:0:ffff:6488:55f9
100.136.85.250 0:0:0:0:0:ffff:6488:55fa
100.136.85.251 0:0:0:0:0:ffff:6488:55fb
100.136.85.252 0:0:0:0:0:ffff:6488:55fc
100.136.85.253 0:0:0:0:0:ffff:6488:55fd
100.136.85.254 0:0:0:0:0:ffff:6488:55fe
100.136.85.255 0:0:0:0:0:ffff:6488:55ff


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.