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
121.82.103.1 0:0:0:0:0:ffff:7952:6701
121.82.103.2 0:0:0:0:0:ffff:7952:6702
121.82.103.3 0:0:0:0:0:ffff:7952:6703
121.82.103.4 0:0:0:0:0:ffff:7952:6704
121.82.103.5 0:0:0:0:0:ffff:7952:6705
121.82.103.6 0:0:0:0:0:ffff:7952:6706
121.82.103.7 0:0:0:0:0:ffff:7952:6707
121.82.103.8 0:0:0:0:0:ffff:7952:6708
121.82.103.9 0:0:0:0:0:ffff:7952:6709
121.82.103.10 0:0:0:0:0:ffff:7952:670a
121.82.103.11 0:0:0:0:0:ffff:7952:670b
121.82.103.12 0:0:0:0:0:ffff:7952:670c
121.82.103.13 0:0:0:0:0:ffff:7952:670d
121.82.103.14 0:0:0:0:0:ffff:7952:670e
121.82.103.15 0:0:0:0:0:ffff:7952:670f
121.82.103.16 0:0:0:0:0:ffff:7952:6710
121.82.103.17 0:0:0:0:0:ffff:7952:6711
121.82.103.18 0:0:0:0:0:ffff:7952:6712
121.82.103.19 0:0:0:0:0:ffff:7952:6713
121.82.103.20 0:0:0:0:0:ffff:7952:6714
121.82.103.21 0:0:0:0:0:ffff:7952:6715
121.82.103.22 0:0:0:0:0:ffff:7952:6716
121.82.103.23 0:0:0:0:0:ffff:7952:6717
121.82.103.24 0:0:0:0:0:ffff:7952:6718
121.82.103.25 0:0:0:0:0:ffff:7952:6719
121.82.103.26 0:0:0:0:0:ffff:7952:671a
121.82.103.27 0:0:0:0:0:ffff:7952:671b
121.82.103.28 0:0:0:0:0:ffff:7952:671c
121.82.103.29 0:0:0:0:0:ffff:7952:671d
121.82.103.30 0:0:0:0:0:ffff:7952:671e
121.82.103.31 0:0:0:0:0:ffff:7952:671f
121.82.103.32 0:0:0:0:0:ffff:7952:6720
121.82.103.33 0:0:0:0:0:ffff:7952:6721
121.82.103.34 0:0:0:0:0:ffff:7952:6722
121.82.103.35 0:0:0:0:0:ffff:7952:6723
121.82.103.36 0:0:0:0:0:ffff:7952:6724
121.82.103.37 0:0:0:0:0:ffff:7952:6725
121.82.103.38 0:0:0:0:0:ffff:7952:6726
121.82.103.39 0:0:0:0:0:ffff:7952:6727
121.82.103.40 0:0:0:0:0:ffff:7952:6728
121.82.103.41 0:0:0:0:0:ffff:7952:6729
121.82.103.42 0:0:0:0:0:ffff:7952:672a
121.82.103.43 0:0:0:0:0:ffff:7952:672b
121.82.103.44 0:0:0:0:0:ffff:7952:672c
121.82.103.45 0:0:0:0:0:ffff:7952:672d
121.82.103.46 0:0:0:0:0:ffff:7952:672e
121.82.103.47 0:0:0:0:0:ffff:7952:672f
121.82.103.48 0:0:0:0:0:ffff:7952:6730
121.82.103.49 0:0:0:0:0:ffff:7952:6731
121.82.103.50 0:0:0:0:0:ffff:7952:6732
121.82.103.51 0:0:0:0:0:ffff:7952:6733
121.82.103.52 0:0:0:0:0:ffff:7952:6734
121.82.103.53 0:0:0:0:0:ffff:7952:6735
121.82.103.54 0:0:0:0:0:ffff:7952:6736
121.82.103.55 0:0:0:0:0:ffff:7952:6737
121.82.103.56 0:0:0:0:0:ffff:7952:6738
121.82.103.57 0:0:0:0:0:ffff:7952:6739
121.82.103.58 0:0:0:0:0:ffff:7952:673a
121.82.103.59 0:0:0:0:0:ffff:7952:673b
121.82.103.60 0:0:0:0:0:ffff:7952:673c


121.82.103.61 0:0:0:0:0:ffff:7952:673d
121.82.103.62 0:0:0:0:0:ffff:7952:673e
121.82.103.63 0:0:0:0:0:ffff:7952:673f
121.82.103.64 0:0:0:0:0:ffff:7952:6740
121.82.103.65 0:0:0:0:0:ffff:7952:6741
121.82.103.66 0:0:0:0:0:ffff:7952:6742
121.82.103.67 0:0:0:0:0:ffff:7952:6743
121.82.103.68 0:0:0:0:0:ffff:7952:6744
121.82.103.69 0:0:0:0:0:ffff:7952:6745
121.82.103.70 0:0:0:0:0:ffff:7952:6746
121.82.103.71 0:0:0:0:0:ffff:7952:6747
121.82.103.72 0:0:0:0:0:ffff:7952:6748
121.82.103.73 0:0:0:0:0:ffff:7952:6749
121.82.103.74 0:0:0:0:0:ffff:7952:674a
121.82.103.75 0:0:0:0:0:ffff:7952:674b
121.82.103.76 0:0:0:0:0:ffff:7952:674c
121.82.103.77 0:0:0:0:0:ffff:7952:674d
121.82.103.78 0:0:0:0:0:ffff:7952:674e
121.82.103.79 0:0:0:0:0:ffff:7952:674f
121.82.103.80 0:0:0:0:0:ffff:7952:6750
121.82.103.81 0:0:0:0:0:ffff:7952:6751
121.82.103.82 0:0:0:0:0:ffff:7952:6752
121.82.103.83 0:0:0:0:0:ffff:7952:6753
121.82.103.84 0:0:0:0:0:ffff:7952:6754
121.82.103.85 0:0:0:0:0:ffff:7952:6755
121.82.103.86 0:0:0:0:0:ffff:7952:6756
121.82.103.87 0:0:0:0:0:ffff:7952:6757
121.82.103.88 0:0:0:0:0:ffff:7952:6758
121.82.103.89 0:0:0:0:0:ffff:7952:6759
121.82.103.90 0:0:0:0:0:ffff:7952:675a
121.82.103.91 0:0:0:0:0:ffff:7952:675b
121.82.103.92 0:0:0:0:0:ffff:7952:675c
121.82.103.93 0:0:0:0:0:ffff:7952:675d
121.82.103.94 0:0:0:0:0:ffff:7952:675e
121.82.103.95 0:0:0:0:0:ffff:7952:675f
121.82.103.96 0:0:0:0:0:ffff:7952:6760
121.82.103.97 0:0:0:0:0:ffff:7952:6761
121.82.103.98 0:0:0:0:0:ffff:7952:6762
121.82.103.99 0:0:0:0:0:ffff:7952:6763
121.82.103.100 0:0:0:0:0:ffff:7952:6764
121.82.103.101 0:0:0:0:0:ffff:7952:6765
121.82.103.102 0:0:0:0:0:ffff:7952:6766
121.82.103.103 0:0:0:0:0:ffff:7952:6767
121.82.103.104 0:0:0:0:0:ffff:7952:6768
121.82.103.105 0:0:0:0:0:ffff:7952:6769
121.82.103.106 0:0:0:0:0:ffff:7952:676a
121.82.103.107 0:0:0:0:0:ffff:7952:676b
121.82.103.108 0:0:0:0:0:ffff:7952:676c
121.82.103.109 0:0:0:0:0:ffff:7952:676d
121.82.103.110 0:0:0:0:0:ffff:7952:676e
121.82.103.111 0:0:0:0:0:ffff:7952:676f
121.82.103.112 0:0:0:0:0:ffff:7952:6770
121.82.103.113 0:0:0:0:0:ffff:7952:6771
121.82.103.114 0:0:0:0:0:ffff:7952:6772
121.82.103.115 0:0:0:0:0:ffff:7952:6773
121.82.103.116 0:0:0:0:0:ffff:7952:6774
121.82.103.117 0:0:0:0:0:ffff:7952:6775
121.82.103.118 0:0:0:0:0:ffff:7952:6776
121.82.103.119 0:0:0:0:0:ffff:7952:6777
121.82.103.120 0:0:0:0:0:ffff:7952:6778


121.82.103.121 0:0:0:0:0:ffff:7952:6779
121.82.103.122 0:0:0:0:0:ffff:7952:677a
121.82.103.123 0:0:0:0:0:ffff:7952:677b
121.82.103.124 0:0:0:0:0:ffff:7952:677c
121.82.103.125 0:0:0:0:0:ffff:7952:677d
121.82.103.126 0:0:0:0:0:ffff:7952:677e
121.82.103.127 0:0:0:0:0:ffff:7952:677f
121.82.103.128 0:0:0:0:0:ffff:7952:6780
121.82.103.129 0:0:0:0:0:ffff:7952:6781
121.82.103.130 0:0:0:0:0:ffff:7952:6782
121.82.103.131 0:0:0:0:0:ffff:7952:6783
121.82.103.132 0:0:0:0:0:ffff:7952:6784
121.82.103.133 0:0:0:0:0:ffff:7952:6785
121.82.103.134 0:0:0:0:0:ffff:7952:6786
121.82.103.135 0:0:0:0:0:ffff:7952:6787
121.82.103.136 0:0:0:0:0:ffff:7952:6788
121.82.103.137 0:0:0:0:0:ffff:7952:6789
121.82.103.138 0:0:0:0:0:ffff:7952:678a
121.82.103.139 0:0:0:0:0:ffff:7952:678b
121.82.103.140 0:0:0:0:0:ffff:7952:678c
121.82.103.141 0:0:0:0:0:ffff:7952:678d
121.82.103.142 0:0:0:0:0:ffff:7952:678e
121.82.103.143 0:0:0:0:0:ffff:7952:678f
121.82.103.144 0:0:0:0:0:ffff:7952:6790
121.82.103.145 0:0:0:0:0:ffff:7952:6791
121.82.103.146 0:0:0:0:0:ffff:7952:6792
121.82.103.147 0:0:0:0:0:ffff:7952:6793
121.82.103.148 0:0:0:0:0:ffff:7952:6794
121.82.103.149 0:0:0:0:0:ffff:7952:6795
121.82.103.150 0:0:0:0:0:ffff:7952:6796
121.82.103.151 0:0:0:0:0:ffff:7952:6797
121.82.103.152 0:0:0:0:0:ffff:7952:6798
121.82.103.153 0:0:0:0:0:ffff:7952:6799
121.82.103.154 0:0:0:0:0:ffff:7952:679a
121.82.103.155 0:0:0:0:0:ffff:7952:679b
121.82.103.156 0:0:0:0:0:ffff:7952:679c
121.82.103.157 0:0:0:0:0:ffff:7952:679d
121.82.103.158 0:0:0:0:0:ffff:7952:679e
121.82.103.159 0:0:0:0:0:ffff:7952:679f
121.82.103.160 0:0:0:0:0:ffff:7952:67a0
121.82.103.161 0:0:0:0:0:ffff:7952:67a1
121.82.103.162 0:0:0:0:0:ffff:7952:67a2
121.82.103.163 0:0:0:0:0:ffff:7952:67a3
121.82.103.164 0:0:0:0:0:ffff:7952:67a4
121.82.103.165 0:0:0:0:0:ffff:7952:67a5
121.82.103.166 0:0:0:0:0:ffff:7952:67a6
121.82.103.167 0:0:0:0:0:ffff:7952:67a7
121.82.103.168 0:0:0:0:0:ffff:7952:67a8
121.82.103.169 0:0:0:0:0:ffff:7952:67a9
121.82.103.170 0:0:0:0:0:ffff:7952:67aa
121.82.103.171 0:0:0:0:0:ffff:7952:67ab
121.82.103.172 0:0:0:0:0:ffff:7952:67ac
121.82.103.173 0:0:0:0:0:ffff:7952:67ad
121.82.103.174 0:0:0:0:0:ffff:7952:67ae
121.82.103.175 0:0:0:0:0:ffff:7952:67af
121.82.103.176 0:0:0:0:0:ffff:7952:67b0
121.82.103.177 0:0:0:0:0:ffff:7952:67b1
121.82.103.178 0:0:0:0:0:ffff:7952:67b2
121.82.103.179 0:0:0:0:0:ffff:7952:67b3
121.82.103.180 0:0:0:0:0:ffff:7952:67b4


121.82.103.181 0:0:0:0:0:ffff:7952:67b5
121.82.103.182 0:0:0:0:0:ffff:7952:67b6
121.82.103.183 0:0:0:0:0:ffff:7952:67b7
121.82.103.184 0:0:0:0:0:ffff:7952:67b8
121.82.103.185 0:0:0:0:0:ffff:7952:67b9
121.82.103.186 0:0:0:0:0:ffff:7952:67ba
121.82.103.187 0:0:0:0:0:ffff:7952:67bb
121.82.103.188 0:0:0:0:0:ffff:7952:67bc
121.82.103.189 0:0:0:0:0:ffff:7952:67bd
121.82.103.190 0:0:0:0:0:ffff:7952:67be
121.82.103.191 0:0:0:0:0:ffff:7952:67bf
121.82.103.192 0:0:0:0:0:ffff:7952:67c0
121.82.103.193 0:0:0:0:0:ffff:7952:67c1
121.82.103.194 0:0:0:0:0:ffff:7952:67c2
121.82.103.195 0:0:0:0:0:ffff:7952:67c3
121.82.103.196 0:0:0:0:0:ffff:7952:67c4
121.82.103.197 0:0:0:0:0:ffff:7952:67c5
121.82.103.198 0:0:0:0:0:ffff:7952:67c6
121.82.103.199 0:0:0:0:0:ffff:7952:67c7
121.82.103.200 0:0:0:0:0:ffff:7952:67c8
121.82.103.201 0:0:0:0:0:ffff:7952:67c9
121.82.103.202 0:0:0:0:0:ffff:7952:67ca
121.82.103.203 0:0:0:0:0:ffff:7952:67cb
121.82.103.204 0:0:0:0:0:ffff:7952:67cc
121.82.103.205 0:0:0:0:0:ffff:7952:67cd
121.82.103.206 0:0:0:0:0:ffff:7952:67ce
121.82.103.207 0:0:0:0:0:ffff:7952:67cf
121.82.103.208 0:0:0:0:0:ffff:7952:67d0
121.82.103.209 0:0:0:0:0:ffff:7952:67d1
121.82.103.210 0:0:0:0:0:ffff:7952:67d2
121.82.103.211 0:0:0:0:0:ffff:7952:67d3
121.82.103.212 0:0:0:0:0:ffff:7952:67d4
121.82.103.213 0:0:0:0:0:ffff:7952:67d5
121.82.103.214 0:0:0:0:0:ffff:7952:67d6
121.82.103.215 0:0:0:0:0:ffff:7952:67d7
121.82.103.216 0:0:0:0:0:ffff:7952:67d8
121.82.103.217 0:0:0:0:0:ffff:7952:67d9
121.82.103.218 0:0:0:0:0:ffff:7952:67da
121.82.103.219 0:0:0:0:0:ffff:7952:67db
121.82.103.220 0:0:0:0:0:ffff:7952:67dc
121.82.103.221 0:0:0:0:0:ffff:7952:67dd
121.82.103.222 0:0:0:0:0:ffff:7952:67de
121.82.103.223 0:0:0:0:0:ffff:7952:67df
121.82.103.224 0:0:0:0:0:ffff:7952:67e0
121.82.103.225 0:0:0:0:0:ffff:7952:67e1
121.82.103.226 0:0:0:0:0:ffff:7952:67e2
121.82.103.227 0:0:0:0:0:ffff:7952:67e3
121.82.103.228 0:0:0:0:0:ffff:7952:67e4
121.82.103.229 0:0:0:0:0:ffff:7952:67e5
121.82.103.230 0:0:0:0:0:ffff:7952:67e6
121.82.103.231 0:0:0:0:0:ffff:7952:67e7
121.82.103.232 0:0:0:0:0:ffff:7952:67e8
121.82.103.233 0:0:0:0:0:ffff:7952:67e9
121.82.103.234 0:0:0:0:0:ffff:7952:67ea
121.82.103.235 0:0:0:0:0:ffff:7952:67eb
121.82.103.236 0:0:0:0:0:ffff:7952:67ec
121.82.103.237 0:0:0:0:0:ffff:7952:67ed
121.82.103.238 0:0:0:0:0:ffff:7952:67ee
121.82.103.239 0:0:0:0:0:ffff:7952:67ef
121.82.103.240 0:0:0:0:0:ffff:7952:67f0
121.82.103.241 0:0:0:0:0:ffff:7952:67f1
121.82.103.242 0:0:0:0:0:ffff:7952:67f2
121.82.103.243 0:0:0:0:0:ffff:7952:67f3
121.82.103.244 0:0:0:0:0:ffff:7952:67f4
121.82.103.245 0:0:0:0:0:ffff:7952:67f5
121.82.103.246 0:0:0:0:0:ffff:7952:67f6
121.82.103.247 0:0:0:0:0:ffff:7952:67f7
121.82.103.248 0:0:0:0:0:ffff:7952:67f8
121.82.103.249 0:0:0:0:0:ffff:7952:67f9
121.82.103.250 0:0:0:0:0:ffff:7952:67fa
121.82.103.251 0:0:0:0:0:ffff:7952:67fb
121.82.103.252 0:0:0:0:0:ffff:7952:67fc
121.82.103.253 0:0:0:0:0:ffff:7952:67fd
121.82.103.254 0:0:0:0:0:ffff:7952:67fe
121.82.103.255 0:0:0:0:0:ffff:7952:67ff


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.