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
2.101.103.1 0:0:0:0:0:ffff:265:6701
2.101.103.2 0:0:0:0:0:ffff:265:6702
2.101.103.3 0:0:0:0:0:ffff:265:6703
2.101.103.4 0:0:0:0:0:ffff:265:6704
2.101.103.5 0:0:0:0:0:ffff:265:6705
2.101.103.6 0:0:0:0:0:ffff:265:6706
2.101.103.7 0:0:0:0:0:ffff:265:6707
2.101.103.8 0:0:0:0:0:ffff:265:6708
2.101.103.9 0:0:0:0:0:ffff:265:6709
2.101.103.10 0:0:0:0:0:ffff:265:670a
2.101.103.11 0:0:0:0:0:ffff:265:670b
2.101.103.12 0:0:0:0:0:ffff:265:670c
2.101.103.13 0:0:0:0:0:ffff:265:670d
2.101.103.14 0:0:0:0:0:ffff:265:670e
2.101.103.15 0:0:0:0:0:ffff:265:670f
2.101.103.16 0:0:0:0:0:ffff:265:6710
2.101.103.17 0:0:0:0:0:ffff:265:6711
2.101.103.18 0:0:0:0:0:ffff:265:6712
2.101.103.19 0:0:0:0:0:ffff:265:6713
2.101.103.20 0:0:0:0:0:ffff:265:6714
2.101.103.21 0:0:0:0:0:ffff:265:6715
2.101.103.22 0:0:0:0:0:ffff:265:6716
2.101.103.23 0:0:0:0:0:ffff:265:6717
2.101.103.24 0:0:0:0:0:ffff:265:6718
2.101.103.25 0:0:0:0:0:ffff:265:6719
2.101.103.26 0:0:0:0:0:ffff:265:671a
2.101.103.27 0:0:0:0:0:ffff:265:671b
2.101.103.28 0:0:0:0:0:ffff:265:671c
2.101.103.29 0:0:0:0:0:ffff:265:671d
2.101.103.30 0:0:0:0:0:ffff:265:671e
2.101.103.31 0:0:0:0:0:ffff:265:671f
2.101.103.32 0:0:0:0:0:ffff:265:6720
2.101.103.33 0:0:0:0:0:ffff:265:6721
2.101.103.34 0:0:0:0:0:ffff:265:6722
2.101.103.35 0:0:0:0:0:ffff:265:6723
2.101.103.36 0:0:0:0:0:ffff:265:6724
2.101.103.37 0:0:0:0:0:ffff:265:6725
2.101.103.38 0:0:0:0:0:ffff:265:6726
2.101.103.39 0:0:0:0:0:ffff:265:6727
2.101.103.40 0:0:0:0:0:ffff:265:6728
2.101.103.41 0:0:0:0:0:ffff:265:6729
2.101.103.42 0:0:0:0:0:ffff:265:672a
2.101.103.43 0:0:0:0:0:ffff:265:672b
2.101.103.44 0:0:0:0:0:ffff:265:672c
2.101.103.45 0:0:0:0:0:ffff:265:672d
2.101.103.46 0:0:0:0:0:ffff:265:672e
2.101.103.47 0:0:0:0:0:ffff:265:672f
2.101.103.48 0:0:0:0:0:ffff:265:6730
2.101.103.49 0:0:0:0:0:ffff:265:6731
2.101.103.50 0:0:0:0:0:ffff:265:6732
2.101.103.51 0:0:0:0:0:ffff:265:6733
2.101.103.52 0:0:0:0:0:ffff:265:6734
2.101.103.53 0:0:0:0:0:ffff:265:6735
2.101.103.54 0:0:0:0:0:ffff:265:6736
2.101.103.55 0:0:0:0:0:ffff:265:6737
2.101.103.56 0:0:0:0:0:ffff:265:6738
2.101.103.57 0:0:0:0:0:ffff:265:6739
2.101.103.58 0:0:0:0:0:ffff:265:673a
2.101.103.59 0:0:0:0:0:ffff:265:673b
2.101.103.60 0:0:0:0:0:ffff:265:673c


2.101.103.61 0:0:0:0:0:ffff:265:673d
2.101.103.62 0:0:0:0:0:ffff:265:673e
2.101.103.63 0:0:0:0:0:ffff:265:673f
2.101.103.64 0:0:0:0:0:ffff:265:6740
2.101.103.65 0:0:0:0:0:ffff:265:6741
2.101.103.66 0:0:0:0:0:ffff:265:6742
2.101.103.67 0:0:0:0:0:ffff:265:6743
2.101.103.68 0:0:0:0:0:ffff:265:6744
2.101.103.69 0:0:0:0:0:ffff:265:6745
2.101.103.70 0:0:0:0:0:ffff:265:6746
2.101.103.71 0:0:0:0:0:ffff:265:6747
2.101.103.72 0:0:0:0:0:ffff:265:6748
2.101.103.73 0:0:0:0:0:ffff:265:6749
2.101.103.74 0:0:0:0:0:ffff:265:674a
2.101.103.75 0:0:0:0:0:ffff:265:674b
2.101.103.76 0:0:0:0:0:ffff:265:674c
2.101.103.77 0:0:0:0:0:ffff:265:674d
2.101.103.78 0:0:0:0:0:ffff:265:674e
2.101.103.79 0:0:0:0:0:ffff:265:674f
2.101.103.80 0:0:0:0:0:ffff:265:6750
2.101.103.81 0:0:0:0:0:ffff:265:6751
2.101.103.82 0:0:0:0:0:ffff:265:6752
2.101.103.83 0:0:0:0:0:ffff:265:6753
2.101.103.84 0:0:0:0:0:ffff:265:6754
2.101.103.85 0:0:0:0:0:ffff:265:6755
2.101.103.86 0:0:0:0:0:ffff:265:6756
2.101.103.87 0:0:0:0:0:ffff:265:6757
2.101.103.88 0:0:0:0:0:ffff:265:6758
2.101.103.89 0:0:0:0:0:ffff:265:6759
2.101.103.90 0:0:0:0:0:ffff:265:675a
2.101.103.91 0:0:0:0:0:ffff:265:675b
2.101.103.92 0:0:0:0:0:ffff:265:675c
2.101.103.93 0:0:0:0:0:ffff:265:675d
2.101.103.94 0:0:0:0:0:ffff:265:675e
2.101.103.95 0:0:0:0:0:ffff:265:675f
2.101.103.96 0:0:0:0:0:ffff:265:6760
2.101.103.97 0:0:0:0:0:ffff:265:6761
2.101.103.98 0:0:0:0:0:ffff:265:6762
2.101.103.99 0:0:0:0:0:ffff:265:6763
2.101.103.100 0:0:0:0:0:ffff:265:6764
2.101.103.101 0:0:0:0:0:ffff:265:6765
2.101.103.102 0:0:0:0:0:ffff:265:6766
2.101.103.103 0:0:0:0:0:ffff:265:6767
2.101.103.104 0:0:0:0:0:ffff:265:6768
2.101.103.105 0:0:0:0:0:ffff:265:6769
2.101.103.106 0:0:0:0:0:ffff:265:676a
2.101.103.107 0:0:0:0:0:ffff:265:676b
2.101.103.108 0:0:0:0:0:ffff:265:676c
2.101.103.109 0:0:0:0:0:ffff:265:676d
2.101.103.110 0:0:0:0:0:ffff:265:676e
2.101.103.111 0:0:0:0:0:ffff:265:676f
2.101.103.112 0:0:0:0:0:ffff:265:6770
2.101.103.113 0:0:0:0:0:ffff:265:6771
2.101.103.114 0:0:0:0:0:ffff:265:6772
2.101.103.115 0:0:0:0:0:ffff:265:6773
2.101.103.116 0:0:0:0:0:ffff:265:6774
2.101.103.117 0:0:0:0:0:ffff:265:6775
2.101.103.118 0:0:0:0:0:ffff:265:6776
2.101.103.119 0:0:0:0:0:ffff:265:6777
2.101.103.120 0:0:0:0:0:ffff:265:6778


2.101.103.121 0:0:0:0:0:ffff:265:6779
2.101.103.122 0:0:0:0:0:ffff:265:677a
2.101.103.123 0:0:0:0:0:ffff:265:677b
2.101.103.124 0:0:0:0:0:ffff:265:677c
2.101.103.125 0:0:0:0:0:ffff:265:677d
2.101.103.126 0:0:0:0:0:ffff:265:677e
2.101.103.127 0:0:0:0:0:ffff:265:677f
2.101.103.128 0:0:0:0:0:ffff:265:6780
2.101.103.129 0:0:0:0:0:ffff:265:6781
2.101.103.130 0:0:0:0:0:ffff:265:6782
2.101.103.131 0:0:0:0:0:ffff:265:6783
2.101.103.132 0:0:0:0:0:ffff:265:6784
2.101.103.133 0:0:0:0:0:ffff:265:6785
2.101.103.134 0:0:0:0:0:ffff:265:6786
2.101.103.135 0:0:0:0:0:ffff:265:6787
2.101.103.136 0:0:0:0:0:ffff:265:6788
2.101.103.137 0:0:0:0:0:ffff:265:6789
2.101.103.138 0:0:0:0:0:ffff:265:678a
2.101.103.139 0:0:0:0:0:ffff:265:678b
2.101.103.140 0:0:0:0:0:ffff:265:678c
2.101.103.141 0:0:0:0:0:ffff:265:678d
2.101.103.142 0:0:0:0:0:ffff:265:678e
2.101.103.143 0:0:0:0:0:ffff:265:678f
2.101.103.144 0:0:0:0:0:ffff:265:6790
2.101.103.145 0:0:0:0:0:ffff:265:6791
2.101.103.146 0:0:0:0:0:ffff:265:6792
2.101.103.147 0:0:0:0:0:ffff:265:6793
2.101.103.148 0:0:0:0:0:ffff:265:6794
2.101.103.149 0:0:0:0:0:ffff:265:6795
2.101.103.150 0:0:0:0:0:ffff:265:6796
2.101.103.151 0:0:0:0:0:ffff:265:6797
2.101.103.152 0:0:0:0:0:ffff:265:6798
2.101.103.153 0:0:0:0:0:ffff:265:6799
2.101.103.154 0:0:0:0:0:ffff:265:679a
2.101.103.155 0:0:0:0:0:ffff:265:679b
2.101.103.156 0:0:0:0:0:ffff:265:679c
2.101.103.157 0:0:0:0:0:ffff:265:679d
2.101.103.158 0:0:0:0:0:ffff:265:679e
2.101.103.159 0:0:0:0:0:ffff:265:679f
2.101.103.160 0:0:0:0:0:ffff:265:67a0
2.101.103.161 0:0:0:0:0:ffff:265:67a1
2.101.103.162 0:0:0:0:0:ffff:265:67a2
2.101.103.163 0:0:0:0:0:ffff:265:67a3
2.101.103.164 0:0:0:0:0:ffff:265:67a4
2.101.103.165 0:0:0:0:0:ffff:265:67a5
2.101.103.166 0:0:0:0:0:ffff:265:67a6
2.101.103.167 0:0:0:0:0:ffff:265:67a7
2.101.103.168 0:0:0:0:0:ffff:265:67a8
2.101.103.169 0:0:0:0:0:ffff:265:67a9
2.101.103.170 0:0:0:0:0:ffff:265:67aa
2.101.103.171 0:0:0:0:0:ffff:265:67ab
2.101.103.172 0:0:0:0:0:ffff:265:67ac
2.101.103.173 0:0:0:0:0:ffff:265:67ad
2.101.103.174 0:0:0:0:0:ffff:265:67ae
2.101.103.175 0:0:0:0:0:ffff:265:67af
2.101.103.176 0:0:0:0:0:ffff:265:67b0
2.101.103.177 0:0:0:0:0:ffff:265:67b1
2.101.103.178 0:0:0:0:0:ffff:265:67b2
2.101.103.179 0:0:0:0:0:ffff:265:67b3
2.101.103.180 0:0:0:0:0:ffff:265:67b4


2.101.103.181 0:0:0:0:0:ffff:265:67b5
2.101.103.182 0:0:0:0:0:ffff:265:67b6
2.101.103.183 0:0:0:0:0:ffff:265:67b7
2.101.103.184 0:0:0:0:0:ffff:265:67b8
2.101.103.185 0:0:0:0:0:ffff:265:67b9
2.101.103.186 0:0:0:0:0:ffff:265:67ba
2.101.103.187 0:0:0:0:0:ffff:265:67bb
2.101.103.188 0:0:0:0:0:ffff:265:67bc
2.101.103.189 0:0:0:0:0:ffff:265:67bd
2.101.103.190 0:0:0:0:0:ffff:265:67be
2.101.103.191 0:0:0:0:0:ffff:265:67bf
2.101.103.192 0:0:0:0:0:ffff:265:67c0
2.101.103.193 0:0:0:0:0:ffff:265:67c1
2.101.103.194 0:0:0:0:0:ffff:265:67c2
2.101.103.195 0:0:0:0:0:ffff:265:67c3
2.101.103.196 0:0:0:0:0:ffff:265:67c4
2.101.103.197 0:0:0:0:0:ffff:265:67c5
2.101.103.198 0:0:0:0:0:ffff:265:67c6
2.101.103.199 0:0:0:0:0:ffff:265:67c7
2.101.103.200 0:0:0:0:0:ffff:265:67c8
2.101.103.201 0:0:0:0:0:ffff:265:67c9
2.101.103.202 0:0:0:0:0:ffff:265:67ca
2.101.103.203 0:0:0:0:0:ffff:265:67cb
2.101.103.204 0:0:0:0:0:ffff:265:67cc
2.101.103.205 0:0:0:0:0:ffff:265:67cd
2.101.103.206 0:0:0:0:0:ffff:265:67ce
2.101.103.207 0:0:0:0:0:ffff:265:67cf
2.101.103.208 0:0:0:0:0:ffff:265:67d0
2.101.103.209 0:0:0:0:0:ffff:265:67d1
2.101.103.210 0:0:0:0:0:ffff:265:67d2
2.101.103.211 0:0:0:0:0:ffff:265:67d3
2.101.103.212 0:0:0:0:0:ffff:265:67d4
2.101.103.213 0:0:0:0:0:ffff:265:67d5
2.101.103.214 0:0:0:0:0:ffff:265:67d6
2.101.103.215 0:0:0:0:0:ffff:265:67d7
2.101.103.216 0:0:0:0:0:ffff:265:67d8
2.101.103.217 0:0:0:0:0:ffff:265:67d9
2.101.103.218 0:0:0:0:0:ffff:265:67da
2.101.103.219 0:0:0:0:0:ffff:265:67db
2.101.103.220 0:0:0:0:0:ffff:265:67dc
2.101.103.221 0:0:0:0:0:ffff:265:67dd
2.101.103.222 0:0:0:0:0:ffff:265:67de
2.101.103.223 0:0:0:0:0:ffff:265:67df
2.101.103.224 0:0:0:0:0:ffff:265:67e0
2.101.103.225 0:0:0:0:0:ffff:265:67e1
2.101.103.226 0:0:0:0:0:ffff:265:67e2
2.101.103.227 0:0:0:0:0:ffff:265:67e3
2.101.103.228 0:0:0:0:0:ffff:265:67e4
2.101.103.229 0:0:0:0:0:ffff:265:67e5
2.101.103.230 0:0:0:0:0:ffff:265:67e6
2.101.103.231 0:0:0:0:0:ffff:265:67e7
2.101.103.232 0:0:0:0:0:ffff:265:67e8
2.101.103.233 0:0:0:0:0:ffff:265:67e9
2.101.103.234 0:0:0:0:0:ffff:265:67ea
2.101.103.235 0:0:0:0:0:ffff:265:67eb
2.101.103.236 0:0:0:0:0:ffff:265:67ec
2.101.103.237 0:0:0:0:0:ffff:265:67ed
2.101.103.238 0:0:0:0:0:ffff:265:67ee
2.101.103.239 0:0:0:0:0:ffff:265:67ef
2.101.103.240 0:0:0:0:0:ffff:265:67f0
2.101.103.241 0:0:0:0:0:ffff:265:67f1
2.101.103.242 0:0:0:0:0:ffff:265:67f2
2.101.103.243 0:0:0:0:0:ffff:265:67f3
2.101.103.244 0:0:0:0:0:ffff:265:67f4
2.101.103.245 0:0:0:0:0:ffff:265:67f5
2.101.103.246 0:0:0:0:0:ffff:265:67f6
2.101.103.247 0:0:0:0:0:ffff:265:67f7
2.101.103.248 0:0:0:0:0:ffff:265:67f8
2.101.103.249 0:0:0:0:0:ffff:265:67f9
2.101.103.250 0:0:0:0:0:ffff:265:67fa
2.101.103.251 0:0:0:0:0:ffff:265:67fb
2.101.103.252 0:0:0:0:0:ffff:265:67fc
2.101.103.253 0:0:0:0:0:ffff:265:67fd
2.101.103.254 0:0:0:0:0:ffff:265:67fe
2.101.103.255 0:0:0:0:0:ffff:265:67ff


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.