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
15.71.103.1 0:0:0:0:0:ffff:f47:6701
15.71.103.2 0:0:0:0:0:ffff:f47:6702
15.71.103.3 0:0:0:0:0:ffff:f47:6703
15.71.103.4 0:0:0:0:0:ffff:f47:6704
15.71.103.5 0:0:0:0:0:ffff:f47:6705
15.71.103.6 0:0:0:0:0:ffff:f47:6706
15.71.103.7 0:0:0:0:0:ffff:f47:6707
15.71.103.8 0:0:0:0:0:ffff:f47:6708
15.71.103.9 0:0:0:0:0:ffff:f47:6709
15.71.103.10 0:0:0:0:0:ffff:f47:670a
15.71.103.11 0:0:0:0:0:ffff:f47:670b
15.71.103.12 0:0:0:0:0:ffff:f47:670c
15.71.103.13 0:0:0:0:0:ffff:f47:670d
15.71.103.14 0:0:0:0:0:ffff:f47:670e
15.71.103.15 0:0:0:0:0:ffff:f47:670f
15.71.103.16 0:0:0:0:0:ffff:f47:6710
15.71.103.17 0:0:0:0:0:ffff:f47:6711
15.71.103.18 0:0:0:0:0:ffff:f47:6712
15.71.103.19 0:0:0:0:0:ffff:f47:6713
15.71.103.20 0:0:0:0:0:ffff:f47:6714
15.71.103.21 0:0:0:0:0:ffff:f47:6715
15.71.103.22 0:0:0:0:0:ffff:f47:6716
15.71.103.23 0:0:0:0:0:ffff:f47:6717
15.71.103.24 0:0:0:0:0:ffff:f47:6718
15.71.103.25 0:0:0:0:0:ffff:f47:6719
15.71.103.26 0:0:0:0:0:ffff:f47:671a
15.71.103.27 0:0:0:0:0:ffff:f47:671b
15.71.103.28 0:0:0:0:0:ffff:f47:671c
15.71.103.29 0:0:0:0:0:ffff:f47:671d
15.71.103.30 0:0:0:0:0:ffff:f47:671e
15.71.103.31 0:0:0:0:0:ffff:f47:671f
15.71.103.32 0:0:0:0:0:ffff:f47:6720
15.71.103.33 0:0:0:0:0:ffff:f47:6721
15.71.103.34 0:0:0:0:0:ffff:f47:6722
15.71.103.35 0:0:0:0:0:ffff:f47:6723
15.71.103.36 0:0:0:0:0:ffff:f47:6724
15.71.103.37 0:0:0:0:0:ffff:f47:6725
15.71.103.38 0:0:0:0:0:ffff:f47:6726
15.71.103.39 0:0:0:0:0:ffff:f47:6727
15.71.103.40 0:0:0:0:0:ffff:f47:6728
15.71.103.41 0:0:0:0:0:ffff:f47:6729
15.71.103.42 0:0:0:0:0:ffff:f47:672a
15.71.103.43 0:0:0:0:0:ffff:f47:672b
15.71.103.44 0:0:0:0:0:ffff:f47:672c
15.71.103.45 0:0:0:0:0:ffff:f47:672d
15.71.103.46 0:0:0:0:0:ffff:f47:672e
15.71.103.47 0:0:0:0:0:ffff:f47:672f
15.71.103.48 0:0:0:0:0:ffff:f47:6730
15.71.103.49 0:0:0:0:0:ffff:f47:6731
15.71.103.50 0:0:0:0:0:ffff:f47:6732
15.71.103.51 0:0:0:0:0:ffff:f47:6733
15.71.103.52 0:0:0:0:0:ffff:f47:6734
15.71.103.53 0:0:0:0:0:ffff:f47:6735
15.71.103.54 0:0:0:0:0:ffff:f47:6736
15.71.103.55 0:0:0:0:0:ffff:f47:6737
15.71.103.56 0:0:0:0:0:ffff:f47:6738
15.71.103.57 0:0:0:0:0:ffff:f47:6739
15.71.103.58 0:0:0:0:0:ffff:f47:673a
15.71.103.59 0:0:0:0:0:ffff:f47:673b
15.71.103.60 0:0:0:0:0:ffff:f47:673c


15.71.103.61 0:0:0:0:0:ffff:f47:673d
15.71.103.62 0:0:0:0:0:ffff:f47:673e
15.71.103.63 0:0:0:0:0:ffff:f47:673f
15.71.103.64 0:0:0:0:0:ffff:f47:6740
15.71.103.65 0:0:0:0:0:ffff:f47:6741
15.71.103.66 0:0:0:0:0:ffff:f47:6742
15.71.103.67 0:0:0:0:0:ffff:f47:6743
15.71.103.68 0:0:0:0:0:ffff:f47:6744
15.71.103.69 0:0:0:0:0:ffff:f47:6745
15.71.103.70 0:0:0:0:0:ffff:f47:6746
15.71.103.71 0:0:0:0:0:ffff:f47:6747
15.71.103.72 0:0:0:0:0:ffff:f47:6748
15.71.103.73 0:0:0:0:0:ffff:f47:6749
15.71.103.74 0:0:0:0:0:ffff:f47:674a
15.71.103.75 0:0:0:0:0:ffff:f47:674b
15.71.103.76 0:0:0:0:0:ffff:f47:674c
15.71.103.77 0:0:0:0:0:ffff:f47:674d
15.71.103.78 0:0:0:0:0:ffff:f47:674e
15.71.103.79 0:0:0:0:0:ffff:f47:674f
15.71.103.80 0:0:0:0:0:ffff:f47:6750
15.71.103.81 0:0:0:0:0:ffff:f47:6751
15.71.103.82 0:0:0:0:0:ffff:f47:6752
15.71.103.83 0:0:0:0:0:ffff:f47:6753
15.71.103.84 0:0:0:0:0:ffff:f47:6754
15.71.103.85 0:0:0:0:0:ffff:f47:6755
15.71.103.86 0:0:0:0:0:ffff:f47:6756
15.71.103.87 0:0:0:0:0:ffff:f47:6757
15.71.103.88 0:0:0:0:0:ffff:f47:6758
15.71.103.89 0:0:0:0:0:ffff:f47:6759
15.71.103.90 0:0:0:0:0:ffff:f47:675a
15.71.103.91 0:0:0:0:0:ffff:f47:675b
15.71.103.92 0:0:0:0:0:ffff:f47:675c
15.71.103.93 0:0:0:0:0:ffff:f47:675d
15.71.103.94 0:0:0:0:0:ffff:f47:675e
15.71.103.95 0:0:0:0:0:ffff:f47:675f
15.71.103.96 0:0:0:0:0:ffff:f47:6760
15.71.103.97 0:0:0:0:0:ffff:f47:6761
15.71.103.98 0:0:0:0:0:ffff:f47:6762
15.71.103.99 0:0:0:0:0:ffff:f47:6763
15.71.103.100 0:0:0:0:0:ffff:f47:6764
15.71.103.101 0:0:0:0:0:ffff:f47:6765
15.71.103.102 0:0:0:0:0:ffff:f47:6766
15.71.103.103 0:0:0:0:0:ffff:f47:6767
15.71.103.104 0:0:0:0:0:ffff:f47:6768
15.71.103.105 0:0:0:0:0:ffff:f47:6769
15.71.103.106 0:0:0:0:0:ffff:f47:676a
15.71.103.107 0:0:0:0:0:ffff:f47:676b
15.71.103.108 0:0:0:0:0:ffff:f47:676c
15.71.103.109 0:0:0:0:0:ffff:f47:676d
15.71.103.110 0:0:0:0:0:ffff:f47:676e
15.71.103.111 0:0:0:0:0:ffff:f47:676f
15.71.103.112 0:0:0:0:0:ffff:f47:6770
15.71.103.113 0:0:0:0:0:ffff:f47:6771
15.71.103.114 0:0:0:0:0:ffff:f47:6772
15.71.103.115 0:0:0:0:0:ffff:f47:6773
15.71.103.116 0:0:0:0:0:ffff:f47:6774
15.71.103.117 0:0:0:0:0:ffff:f47:6775
15.71.103.118 0:0:0:0:0:ffff:f47:6776
15.71.103.119 0:0:0:0:0:ffff:f47:6777
15.71.103.120 0:0:0:0:0:ffff:f47:6778


15.71.103.121 0:0:0:0:0:ffff:f47:6779
15.71.103.122 0:0:0:0:0:ffff:f47:677a
15.71.103.123 0:0:0:0:0:ffff:f47:677b
15.71.103.124 0:0:0:0:0:ffff:f47:677c
15.71.103.125 0:0:0:0:0:ffff:f47:677d
15.71.103.126 0:0:0:0:0:ffff:f47:677e
15.71.103.127 0:0:0:0:0:ffff:f47:677f
15.71.103.128 0:0:0:0:0:ffff:f47:6780
15.71.103.129 0:0:0:0:0:ffff:f47:6781
15.71.103.130 0:0:0:0:0:ffff:f47:6782
15.71.103.131 0:0:0:0:0:ffff:f47:6783
15.71.103.132 0:0:0:0:0:ffff:f47:6784
15.71.103.133 0:0:0:0:0:ffff:f47:6785
15.71.103.134 0:0:0:0:0:ffff:f47:6786
15.71.103.135 0:0:0:0:0:ffff:f47:6787
15.71.103.136 0:0:0:0:0:ffff:f47:6788
15.71.103.137 0:0:0:0:0:ffff:f47:6789
15.71.103.138 0:0:0:0:0:ffff:f47:678a
15.71.103.139 0:0:0:0:0:ffff:f47:678b
15.71.103.140 0:0:0:0:0:ffff:f47:678c
15.71.103.141 0:0:0:0:0:ffff:f47:678d
15.71.103.142 0:0:0:0:0:ffff:f47:678e
15.71.103.143 0:0:0:0:0:ffff:f47:678f
15.71.103.144 0:0:0:0:0:ffff:f47:6790
15.71.103.145 0:0:0:0:0:ffff:f47:6791
15.71.103.146 0:0:0:0:0:ffff:f47:6792
15.71.103.147 0:0:0:0:0:ffff:f47:6793
15.71.103.148 0:0:0:0:0:ffff:f47:6794
15.71.103.149 0:0:0:0:0:ffff:f47:6795
15.71.103.150 0:0:0:0:0:ffff:f47:6796
15.71.103.151 0:0:0:0:0:ffff:f47:6797
15.71.103.152 0:0:0:0:0:ffff:f47:6798
15.71.103.153 0:0:0:0:0:ffff:f47:6799
15.71.103.154 0:0:0:0:0:ffff:f47:679a
15.71.103.155 0:0:0:0:0:ffff:f47:679b
15.71.103.156 0:0:0:0:0:ffff:f47:679c
15.71.103.157 0:0:0:0:0:ffff:f47:679d
15.71.103.158 0:0:0:0:0:ffff:f47:679e
15.71.103.159 0:0:0:0:0:ffff:f47:679f
15.71.103.160 0:0:0:0:0:ffff:f47:67a0
15.71.103.161 0:0:0:0:0:ffff:f47:67a1
15.71.103.162 0:0:0:0:0:ffff:f47:67a2
15.71.103.163 0:0:0:0:0:ffff:f47:67a3
15.71.103.164 0:0:0:0:0:ffff:f47:67a4
15.71.103.165 0:0:0:0:0:ffff:f47:67a5
15.71.103.166 0:0:0:0:0:ffff:f47:67a6
15.71.103.167 0:0:0:0:0:ffff:f47:67a7
15.71.103.168 0:0:0:0:0:ffff:f47:67a8
15.71.103.169 0:0:0:0:0:ffff:f47:67a9
15.71.103.170 0:0:0:0:0:ffff:f47:67aa
15.71.103.171 0:0:0:0:0:ffff:f47:67ab
15.71.103.172 0:0:0:0:0:ffff:f47:67ac
15.71.103.173 0:0:0:0:0:ffff:f47:67ad
15.71.103.174 0:0:0:0:0:ffff:f47:67ae
15.71.103.175 0:0:0:0:0:ffff:f47:67af
15.71.103.176 0:0:0:0:0:ffff:f47:67b0
15.71.103.177 0:0:0:0:0:ffff:f47:67b1
15.71.103.178 0:0:0:0:0:ffff:f47:67b2
15.71.103.179 0:0:0:0:0:ffff:f47:67b3
15.71.103.180 0:0:0:0:0:ffff:f47:67b4


15.71.103.181 0:0:0:0:0:ffff:f47:67b5
15.71.103.182 0:0:0:0:0:ffff:f47:67b6
15.71.103.183 0:0:0:0:0:ffff:f47:67b7
15.71.103.184 0:0:0:0:0:ffff:f47:67b8
15.71.103.185 0:0:0:0:0:ffff:f47:67b9
15.71.103.186 0:0:0:0:0:ffff:f47:67ba
15.71.103.187 0:0:0:0:0:ffff:f47:67bb
15.71.103.188 0:0:0:0:0:ffff:f47:67bc
15.71.103.189 0:0:0:0:0:ffff:f47:67bd
15.71.103.190 0:0:0:0:0:ffff:f47:67be
15.71.103.191 0:0:0:0:0:ffff:f47:67bf
15.71.103.192 0:0:0:0:0:ffff:f47:67c0
15.71.103.193 0:0:0:0:0:ffff:f47:67c1
15.71.103.194 0:0:0:0:0:ffff:f47:67c2
15.71.103.195 0:0:0:0:0:ffff:f47:67c3
15.71.103.196 0:0:0:0:0:ffff:f47:67c4
15.71.103.197 0:0:0:0:0:ffff:f47:67c5
15.71.103.198 0:0:0:0:0:ffff:f47:67c6
15.71.103.199 0:0:0:0:0:ffff:f47:67c7
15.71.103.200 0:0:0:0:0:ffff:f47:67c8
15.71.103.201 0:0:0:0:0:ffff:f47:67c9
15.71.103.202 0:0:0:0:0:ffff:f47:67ca
15.71.103.203 0:0:0:0:0:ffff:f47:67cb
15.71.103.204 0:0:0:0:0:ffff:f47:67cc
15.71.103.205 0:0:0:0:0:ffff:f47:67cd
15.71.103.206 0:0:0:0:0:ffff:f47:67ce
15.71.103.207 0:0:0:0:0:ffff:f47:67cf
15.71.103.208 0:0:0:0:0:ffff:f47:67d0
15.71.103.209 0:0:0:0:0:ffff:f47:67d1
15.71.103.210 0:0:0:0:0:ffff:f47:67d2
15.71.103.211 0:0:0:0:0:ffff:f47:67d3
15.71.103.212 0:0:0:0:0:ffff:f47:67d4
15.71.103.213 0:0:0:0:0:ffff:f47:67d5
15.71.103.214 0:0:0:0:0:ffff:f47:67d6
15.71.103.215 0:0:0:0:0:ffff:f47:67d7
15.71.103.216 0:0:0:0:0:ffff:f47:67d8
15.71.103.217 0:0:0:0:0:ffff:f47:67d9
15.71.103.218 0:0:0:0:0:ffff:f47:67da
15.71.103.219 0:0:0:0:0:ffff:f47:67db
15.71.103.220 0:0:0:0:0:ffff:f47:67dc
15.71.103.221 0:0:0:0:0:ffff:f47:67dd
15.71.103.222 0:0:0:0:0:ffff:f47:67de
15.71.103.223 0:0:0:0:0:ffff:f47:67df
15.71.103.224 0:0:0:0:0:ffff:f47:67e0
15.71.103.225 0:0:0:0:0:ffff:f47:67e1
15.71.103.226 0:0:0:0:0:ffff:f47:67e2
15.71.103.227 0:0:0:0:0:ffff:f47:67e3
15.71.103.228 0:0:0:0:0:ffff:f47:67e4
15.71.103.229 0:0:0:0:0:ffff:f47:67e5
15.71.103.230 0:0:0:0:0:ffff:f47:67e6
15.71.103.231 0:0:0:0:0:ffff:f47:67e7
15.71.103.232 0:0:0:0:0:ffff:f47:67e8
15.71.103.233 0:0:0:0:0:ffff:f47:67e9
15.71.103.234 0:0:0:0:0:ffff:f47:67ea
15.71.103.235 0:0:0:0:0:ffff:f47:67eb
15.71.103.236 0:0:0:0:0:ffff:f47:67ec
15.71.103.237 0:0:0:0:0:ffff:f47:67ed
15.71.103.238 0:0:0:0:0:ffff:f47:67ee
15.71.103.239 0:0:0:0:0:ffff:f47:67ef
15.71.103.240 0:0:0:0:0:ffff:f47:67f0
15.71.103.241 0:0:0:0:0:ffff:f47:67f1
15.71.103.242 0:0:0:0:0:ffff:f47:67f2
15.71.103.243 0:0:0:0:0:ffff:f47:67f3
15.71.103.244 0:0:0:0:0:ffff:f47:67f4
15.71.103.245 0:0:0:0:0:ffff:f47:67f5
15.71.103.246 0:0:0:0:0:ffff:f47:67f6
15.71.103.247 0:0:0:0:0:ffff:f47:67f7
15.71.103.248 0:0:0:0:0:ffff:f47:67f8
15.71.103.249 0:0:0:0:0:ffff:f47:67f9
15.71.103.250 0:0:0:0:0:ffff:f47:67fa
15.71.103.251 0:0:0:0:0:ffff:f47:67fb
15.71.103.252 0:0:0:0:0:ffff:f47:67fc
15.71.103.253 0:0:0:0:0:ffff:f47:67fd
15.71.103.254 0:0:0:0:0:ffff:f47:67fe
15.71.103.255 0:0:0:0:0:ffff:f47:67ff


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.