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
65.121.117.1 0:0:0:0:0:ffff:4179:7501
65.121.117.2 0:0:0:0:0:ffff:4179:7502
65.121.117.3 0:0:0:0:0:ffff:4179:7503
65.121.117.4 0:0:0:0:0:ffff:4179:7504
65.121.117.5 0:0:0:0:0:ffff:4179:7505
65.121.117.6 0:0:0:0:0:ffff:4179:7506
65.121.117.7 0:0:0:0:0:ffff:4179:7507
65.121.117.8 0:0:0:0:0:ffff:4179:7508
65.121.117.9 0:0:0:0:0:ffff:4179:7509
65.121.117.10 0:0:0:0:0:ffff:4179:750a
65.121.117.11 0:0:0:0:0:ffff:4179:750b
65.121.117.12 0:0:0:0:0:ffff:4179:750c
65.121.117.13 0:0:0:0:0:ffff:4179:750d
65.121.117.14 0:0:0:0:0:ffff:4179:750e
65.121.117.15 0:0:0:0:0:ffff:4179:750f
65.121.117.16 0:0:0:0:0:ffff:4179:7510
65.121.117.17 0:0:0:0:0:ffff:4179:7511
65.121.117.18 0:0:0:0:0:ffff:4179:7512
65.121.117.19 0:0:0:0:0:ffff:4179:7513
65.121.117.20 0:0:0:0:0:ffff:4179:7514
65.121.117.21 0:0:0:0:0:ffff:4179:7515
65.121.117.22 0:0:0:0:0:ffff:4179:7516
65.121.117.23 0:0:0:0:0:ffff:4179:7517
65.121.117.24 0:0:0:0:0:ffff:4179:7518
65.121.117.25 0:0:0:0:0:ffff:4179:7519
65.121.117.26 0:0:0:0:0:ffff:4179:751a
65.121.117.27 0:0:0:0:0:ffff:4179:751b
65.121.117.28 0:0:0:0:0:ffff:4179:751c
65.121.117.29 0:0:0:0:0:ffff:4179:751d
65.121.117.30 0:0:0:0:0:ffff:4179:751e
65.121.117.31 0:0:0:0:0:ffff:4179:751f
65.121.117.32 0:0:0:0:0:ffff:4179:7520
65.121.117.33 0:0:0:0:0:ffff:4179:7521
65.121.117.34 0:0:0:0:0:ffff:4179:7522
65.121.117.35 0:0:0:0:0:ffff:4179:7523
65.121.117.36 0:0:0:0:0:ffff:4179:7524
65.121.117.37 0:0:0:0:0:ffff:4179:7525
65.121.117.38 0:0:0:0:0:ffff:4179:7526
65.121.117.39 0:0:0:0:0:ffff:4179:7527
65.121.117.40 0:0:0:0:0:ffff:4179:7528
65.121.117.41 0:0:0:0:0:ffff:4179:7529
65.121.117.42 0:0:0:0:0:ffff:4179:752a
65.121.117.43 0:0:0:0:0:ffff:4179:752b
65.121.117.44 0:0:0:0:0:ffff:4179:752c
65.121.117.45 0:0:0:0:0:ffff:4179:752d
65.121.117.46 0:0:0:0:0:ffff:4179:752e
65.121.117.47 0:0:0:0:0:ffff:4179:752f
65.121.117.48 0:0:0:0:0:ffff:4179:7530
65.121.117.49 0:0:0:0:0:ffff:4179:7531
65.121.117.50 0:0:0:0:0:ffff:4179:7532
65.121.117.51 0:0:0:0:0:ffff:4179:7533
65.121.117.52 0:0:0:0:0:ffff:4179:7534
65.121.117.53 0:0:0:0:0:ffff:4179:7535
65.121.117.54 0:0:0:0:0:ffff:4179:7536
65.121.117.55 0:0:0:0:0:ffff:4179:7537
65.121.117.56 0:0:0:0:0:ffff:4179:7538
65.121.117.57 0:0:0:0:0:ffff:4179:7539
65.121.117.58 0:0:0:0:0:ffff:4179:753a
65.121.117.59 0:0:0:0:0:ffff:4179:753b
65.121.117.60 0:0:0:0:0:ffff:4179:753c


65.121.117.61 0:0:0:0:0:ffff:4179:753d
65.121.117.62 0:0:0:0:0:ffff:4179:753e
65.121.117.63 0:0:0:0:0:ffff:4179:753f
65.121.117.64 0:0:0:0:0:ffff:4179:7540
65.121.117.65 0:0:0:0:0:ffff:4179:7541
65.121.117.66 0:0:0:0:0:ffff:4179:7542
65.121.117.67 0:0:0:0:0:ffff:4179:7543
65.121.117.68 0:0:0:0:0:ffff:4179:7544
65.121.117.69 0:0:0:0:0:ffff:4179:7545
65.121.117.70 0:0:0:0:0:ffff:4179:7546
65.121.117.71 0:0:0:0:0:ffff:4179:7547
65.121.117.72 0:0:0:0:0:ffff:4179:7548
65.121.117.73 0:0:0:0:0:ffff:4179:7549
65.121.117.74 0:0:0:0:0:ffff:4179:754a
65.121.117.75 0:0:0:0:0:ffff:4179:754b
65.121.117.76 0:0:0:0:0:ffff:4179:754c
65.121.117.77 0:0:0:0:0:ffff:4179:754d
65.121.117.78 0:0:0:0:0:ffff:4179:754e
65.121.117.79 0:0:0:0:0:ffff:4179:754f
65.121.117.80 0:0:0:0:0:ffff:4179:7550
65.121.117.81 0:0:0:0:0:ffff:4179:7551
65.121.117.82 0:0:0:0:0:ffff:4179:7552
65.121.117.83 0:0:0:0:0:ffff:4179:7553
65.121.117.84 0:0:0:0:0:ffff:4179:7554
65.121.117.85 0:0:0:0:0:ffff:4179:7555
65.121.117.86 0:0:0:0:0:ffff:4179:7556
65.121.117.87 0:0:0:0:0:ffff:4179:7557
65.121.117.88 0:0:0:0:0:ffff:4179:7558
65.121.117.89 0:0:0:0:0:ffff:4179:7559
65.121.117.90 0:0:0:0:0:ffff:4179:755a
65.121.117.91 0:0:0:0:0:ffff:4179:755b
65.121.117.92 0:0:0:0:0:ffff:4179:755c
65.121.117.93 0:0:0:0:0:ffff:4179:755d
65.121.117.94 0:0:0:0:0:ffff:4179:755e
65.121.117.95 0:0:0:0:0:ffff:4179:755f
65.121.117.96 0:0:0:0:0:ffff:4179:7560
65.121.117.97 0:0:0:0:0:ffff:4179:7561
65.121.117.98 0:0:0:0:0:ffff:4179:7562
65.121.117.99 0:0:0:0:0:ffff:4179:7563
65.121.117.100 0:0:0:0:0:ffff:4179:7564
65.121.117.101 0:0:0:0:0:ffff:4179:7565
65.121.117.102 0:0:0:0:0:ffff:4179:7566
65.121.117.103 0:0:0:0:0:ffff:4179:7567
65.121.117.104 0:0:0:0:0:ffff:4179:7568
65.121.117.105 0:0:0:0:0:ffff:4179:7569
65.121.117.106 0:0:0:0:0:ffff:4179:756a
65.121.117.107 0:0:0:0:0:ffff:4179:756b
65.121.117.108 0:0:0:0:0:ffff:4179:756c
65.121.117.109 0:0:0:0:0:ffff:4179:756d
65.121.117.110 0:0:0:0:0:ffff:4179:756e
65.121.117.111 0:0:0:0:0:ffff:4179:756f
65.121.117.112 0:0:0:0:0:ffff:4179:7570
65.121.117.113 0:0:0:0:0:ffff:4179:7571
65.121.117.114 0:0:0:0:0:ffff:4179:7572
65.121.117.115 0:0:0:0:0:ffff:4179:7573
65.121.117.116 0:0:0:0:0:ffff:4179:7574
65.121.117.117 0:0:0:0:0:ffff:4179:7575
65.121.117.118 0:0:0:0:0:ffff:4179:7576
65.121.117.119 0:0:0:0:0:ffff:4179:7577
65.121.117.120 0:0:0:0:0:ffff:4179:7578


65.121.117.121 0:0:0:0:0:ffff:4179:7579
65.121.117.122 0:0:0:0:0:ffff:4179:757a
65.121.117.123 0:0:0:0:0:ffff:4179:757b
65.121.117.124 0:0:0:0:0:ffff:4179:757c
65.121.117.125 0:0:0:0:0:ffff:4179:757d
65.121.117.126 0:0:0:0:0:ffff:4179:757e
65.121.117.127 0:0:0:0:0:ffff:4179:757f
65.121.117.128 0:0:0:0:0:ffff:4179:7580
65.121.117.129 0:0:0:0:0:ffff:4179:7581
65.121.117.130 0:0:0:0:0:ffff:4179:7582
65.121.117.131 0:0:0:0:0:ffff:4179:7583
65.121.117.132 0:0:0:0:0:ffff:4179:7584
65.121.117.133 0:0:0:0:0:ffff:4179:7585
65.121.117.134 0:0:0:0:0:ffff:4179:7586
65.121.117.135 0:0:0:0:0:ffff:4179:7587
65.121.117.136 0:0:0:0:0:ffff:4179:7588
65.121.117.137 0:0:0:0:0:ffff:4179:7589
65.121.117.138 0:0:0:0:0:ffff:4179:758a
65.121.117.139 0:0:0:0:0:ffff:4179:758b
65.121.117.140 0:0:0:0:0:ffff:4179:758c
65.121.117.141 0:0:0:0:0:ffff:4179:758d
65.121.117.142 0:0:0:0:0:ffff:4179:758e
65.121.117.143 0:0:0:0:0:ffff:4179:758f
65.121.117.144 0:0:0:0:0:ffff:4179:7590
65.121.117.145 0:0:0:0:0:ffff:4179:7591
65.121.117.146 0:0:0:0:0:ffff:4179:7592
65.121.117.147 0:0:0:0:0:ffff:4179:7593
65.121.117.148 0:0:0:0:0:ffff:4179:7594
65.121.117.149 0:0:0:0:0:ffff:4179:7595
65.121.117.150 0:0:0:0:0:ffff:4179:7596
65.121.117.151 0:0:0:0:0:ffff:4179:7597
65.121.117.152 0:0:0:0:0:ffff:4179:7598
65.121.117.153 0:0:0:0:0:ffff:4179:7599
65.121.117.154 0:0:0:0:0:ffff:4179:759a
65.121.117.155 0:0:0:0:0:ffff:4179:759b
65.121.117.156 0:0:0:0:0:ffff:4179:759c
65.121.117.157 0:0:0:0:0:ffff:4179:759d
65.121.117.158 0:0:0:0:0:ffff:4179:759e
65.121.117.159 0:0:0:0:0:ffff:4179:759f
65.121.117.160 0:0:0:0:0:ffff:4179:75a0
65.121.117.161 0:0:0:0:0:ffff:4179:75a1
65.121.117.162 0:0:0:0:0:ffff:4179:75a2
65.121.117.163 0:0:0:0:0:ffff:4179:75a3
65.121.117.164 0:0:0:0:0:ffff:4179:75a4
65.121.117.165 0:0:0:0:0:ffff:4179:75a5
65.121.117.166 0:0:0:0:0:ffff:4179:75a6
65.121.117.167 0:0:0:0:0:ffff:4179:75a7
65.121.117.168 0:0:0:0:0:ffff:4179:75a8
65.121.117.169 0:0:0:0:0:ffff:4179:75a9
65.121.117.170 0:0:0:0:0:ffff:4179:75aa
65.121.117.171 0:0:0:0:0:ffff:4179:75ab
65.121.117.172 0:0:0:0:0:ffff:4179:75ac
65.121.117.173 0:0:0:0:0:ffff:4179:75ad
65.121.117.174 0:0:0:0:0:ffff:4179:75ae
65.121.117.175 0:0:0:0:0:ffff:4179:75af
65.121.117.176 0:0:0:0:0:ffff:4179:75b0
65.121.117.177 0:0:0:0:0:ffff:4179:75b1
65.121.117.178 0:0:0:0:0:ffff:4179:75b2
65.121.117.179 0:0:0:0:0:ffff:4179:75b3
65.121.117.180 0:0:0:0:0:ffff:4179:75b4


65.121.117.181 0:0:0:0:0:ffff:4179:75b5
65.121.117.182 0:0:0:0:0:ffff:4179:75b6
65.121.117.183 0:0:0:0:0:ffff:4179:75b7
65.121.117.184 0:0:0:0:0:ffff:4179:75b8
65.121.117.185 0:0:0:0:0:ffff:4179:75b9
65.121.117.186 0:0:0:0:0:ffff:4179:75ba
65.121.117.187 0:0:0:0:0:ffff:4179:75bb
65.121.117.188 0:0:0:0:0:ffff:4179:75bc
65.121.117.189 0:0:0:0:0:ffff:4179:75bd
65.121.117.190 0:0:0:0:0:ffff:4179:75be
65.121.117.191 0:0:0:0:0:ffff:4179:75bf
65.121.117.192 0:0:0:0:0:ffff:4179:75c0
65.121.117.193 0:0:0:0:0:ffff:4179:75c1
65.121.117.194 0:0:0:0:0:ffff:4179:75c2
65.121.117.195 0:0:0:0:0:ffff:4179:75c3
65.121.117.196 0:0:0:0:0:ffff:4179:75c4
65.121.117.197 0:0:0:0:0:ffff:4179:75c5
65.121.117.198 0:0:0:0:0:ffff:4179:75c6
65.121.117.199 0:0:0:0:0:ffff:4179:75c7
65.121.117.200 0:0:0:0:0:ffff:4179:75c8
65.121.117.201 0:0:0:0:0:ffff:4179:75c9
65.121.117.202 0:0:0:0:0:ffff:4179:75ca
65.121.117.203 0:0:0:0:0:ffff:4179:75cb
65.121.117.204 0:0:0:0:0:ffff:4179:75cc
65.121.117.205 0:0:0:0:0:ffff:4179:75cd
65.121.117.206 0:0:0:0:0:ffff:4179:75ce
65.121.117.207 0:0:0:0:0:ffff:4179:75cf
65.121.117.208 0:0:0:0:0:ffff:4179:75d0
65.121.117.209 0:0:0:0:0:ffff:4179:75d1
65.121.117.210 0:0:0:0:0:ffff:4179:75d2
65.121.117.211 0:0:0:0:0:ffff:4179:75d3
65.121.117.212 0:0:0:0:0:ffff:4179:75d4
65.121.117.213 0:0:0:0:0:ffff:4179:75d5
65.121.117.214 0:0:0:0:0:ffff:4179:75d6
65.121.117.215 0:0:0:0:0:ffff:4179:75d7
65.121.117.216 0:0:0:0:0:ffff:4179:75d8
65.121.117.217 0:0:0:0:0:ffff:4179:75d9
65.121.117.218 0:0:0:0:0:ffff:4179:75da
65.121.117.219 0:0:0:0:0:ffff:4179:75db
65.121.117.220 0:0:0:0:0:ffff:4179:75dc
65.121.117.221 0:0:0:0:0:ffff:4179:75dd
65.121.117.222 0:0:0:0:0:ffff:4179:75de
65.121.117.223 0:0:0:0:0:ffff:4179:75df
65.121.117.224 0:0:0:0:0:ffff:4179:75e0
65.121.117.225 0:0:0:0:0:ffff:4179:75e1
65.121.117.226 0:0:0:0:0:ffff:4179:75e2
65.121.117.227 0:0:0:0:0:ffff:4179:75e3
65.121.117.228 0:0:0:0:0:ffff:4179:75e4
65.121.117.229 0:0:0:0:0:ffff:4179:75e5
65.121.117.230 0:0:0:0:0:ffff:4179:75e6
65.121.117.231 0:0:0:0:0:ffff:4179:75e7
65.121.117.232 0:0:0:0:0:ffff:4179:75e8
65.121.117.233 0:0:0:0:0:ffff:4179:75e9
65.121.117.234 0:0:0:0:0:ffff:4179:75ea
65.121.117.235 0:0:0:0:0:ffff:4179:75eb
65.121.117.236 0:0:0:0:0:ffff:4179:75ec
65.121.117.237 0:0:0:0:0:ffff:4179:75ed
65.121.117.238 0:0:0:0:0:ffff:4179:75ee
65.121.117.239 0:0:0:0:0:ffff:4179:75ef
65.121.117.240 0:0:0:0:0:ffff:4179:75f0
65.121.117.241 0:0:0:0:0:ffff:4179:75f1
65.121.117.242 0:0:0:0:0:ffff:4179:75f2
65.121.117.243 0:0:0:0:0:ffff:4179:75f3
65.121.117.244 0:0:0:0:0:ffff:4179:75f4
65.121.117.245 0:0:0:0:0:ffff:4179:75f5
65.121.117.246 0:0:0:0:0:ffff:4179:75f6
65.121.117.247 0:0:0:0:0:ffff:4179:75f7
65.121.117.248 0:0:0:0:0:ffff:4179:75f8
65.121.117.249 0:0:0:0:0:ffff:4179:75f9
65.121.117.250 0:0:0:0:0:ffff:4179:75fa
65.121.117.251 0:0:0:0:0:ffff:4179:75fb
65.121.117.252 0:0:0:0:0:ffff:4179:75fc
65.121.117.253 0:0:0:0:0:ffff:4179:75fd
65.121.117.254 0:0:0:0:0:ffff:4179:75fe
65.121.117.255 0:0:0:0:0:ffff:4179:75ff


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.