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
51.209.7.1 0:0:0:0:0:ffff:33d1:701
51.209.7.2 0:0:0:0:0:ffff:33d1:702
51.209.7.3 0:0:0:0:0:ffff:33d1:703
51.209.7.4 0:0:0:0:0:ffff:33d1:704
51.209.7.5 0:0:0:0:0:ffff:33d1:705
51.209.7.6 0:0:0:0:0:ffff:33d1:706
51.209.7.7 0:0:0:0:0:ffff:33d1:707
51.209.7.8 0:0:0:0:0:ffff:33d1:708
51.209.7.9 0:0:0:0:0:ffff:33d1:709
51.209.7.10 0:0:0:0:0:ffff:33d1:70a
51.209.7.11 0:0:0:0:0:ffff:33d1:70b
51.209.7.12 0:0:0:0:0:ffff:33d1:70c
51.209.7.13 0:0:0:0:0:ffff:33d1:70d
51.209.7.14 0:0:0:0:0:ffff:33d1:70e
51.209.7.15 0:0:0:0:0:ffff:33d1:70f
51.209.7.16 0:0:0:0:0:ffff:33d1:710
51.209.7.17 0:0:0:0:0:ffff:33d1:711
51.209.7.18 0:0:0:0:0:ffff:33d1:712
51.209.7.19 0:0:0:0:0:ffff:33d1:713
51.209.7.20 0:0:0:0:0:ffff:33d1:714
51.209.7.21 0:0:0:0:0:ffff:33d1:715
51.209.7.22 0:0:0:0:0:ffff:33d1:716
51.209.7.23 0:0:0:0:0:ffff:33d1:717
51.209.7.24 0:0:0:0:0:ffff:33d1:718
51.209.7.25 0:0:0:0:0:ffff:33d1:719
51.209.7.26 0:0:0:0:0:ffff:33d1:71a
51.209.7.27 0:0:0:0:0:ffff:33d1:71b
51.209.7.28 0:0:0:0:0:ffff:33d1:71c
51.209.7.29 0:0:0:0:0:ffff:33d1:71d
51.209.7.30 0:0:0:0:0:ffff:33d1:71e
51.209.7.31 0:0:0:0:0:ffff:33d1:71f
51.209.7.32 0:0:0:0:0:ffff:33d1:720
51.209.7.33 0:0:0:0:0:ffff:33d1:721
51.209.7.34 0:0:0:0:0:ffff:33d1:722
51.209.7.35 0:0:0:0:0:ffff:33d1:723
51.209.7.36 0:0:0:0:0:ffff:33d1:724
51.209.7.37 0:0:0:0:0:ffff:33d1:725
51.209.7.38 0:0:0:0:0:ffff:33d1:726
51.209.7.39 0:0:0:0:0:ffff:33d1:727
51.209.7.40 0:0:0:0:0:ffff:33d1:728
51.209.7.41 0:0:0:0:0:ffff:33d1:729
51.209.7.42 0:0:0:0:0:ffff:33d1:72a
51.209.7.43 0:0:0:0:0:ffff:33d1:72b
51.209.7.44 0:0:0:0:0:ffff:33d1:72c
51.209.7.45 0:0:0:0:0:ffff:33d1:72d
51.209.7.46 0:0:0:0:0:ffff:33d1:72e
51.209.7.47 0:0:0:0:0:ffff:33d1:72f
51.209.7.48 0:0:0:0:0:ffff:33d1:730
51.209.7.49 0:0:0:0:0:ffff:33d1:731
51.209.7.50 0:0:0:0:0:ffff:33d1:732
51.209.7.51 0:0:0:0:0:ffff:33d1:733
51.209.7.52 0:0:0:0:0:ffff:33d1:734
51.209.7.53 0:0:0:0:0:ffff:33d1:735
51.209.7.54 0:0:0:0:0:ffff:33d1:736
51.209.7.55 0:0:0:0:0:ffff:33d1:737
51.209.7.56 0:0:0:0:0:ffff:33d1:738
51.209.7.57 0:0:0:0:0:ffff:33d1:739
51.209.7.58 0:0:0:0:0:ffff:33d1:73a
51.209.7.59 0:0:0:0:0:ffff:33d1:73b
51.209.7.60 0:0:0:0:0:ffff:33d1:73c


51.209.7.61 0:0:0:0:0:ffff:33d1:73d
51.209.7.62 0:0:0:0:0:ffff:33d1:73e
51.209.7.63 0:0:0:0:0:ffff:33d1:73f
51.209.7.64 0:0:0:0:0:ffff:33d1:740
51.209.7.65 0:0:0:0:0:ffff:33d1:741
51.209.7.66 0:0:0:0:0:ffff:33d1:742
51.209.7.67 0:0:0:0:0:ffff:33d1:743
51.209.7.68 0:0:0:0:0:ffff:33d1:744
51.209.7.69 0:0:0:0:0:ffff:33d1:745
51.209.7.70 0:0:0:0:0:ffff:33d1:746
51.209.7.71 0:0:0:0:0:ffff:33d1:747
51.209.7.72 0:0:0:0:0:ffff:33d1:748
51.209.7.73 0:0:0:0:0:ffff:33d1:749
51.209.7.74 0:0:0:0:0:ffff:33d1:74a
51.209.7.75 0:0:0:0:0:ffff:33d1:74b
51.209.7.76 0:0:0:0:0:ffff:33d1:74c
51.209.7.77 0:0:0:0:0:ffff:33d1:74d
51.209.7.78 0:0:0:0:0:ffff:33d1:74e
51.209.7.79 0:0:0:0:0:ffff:33d1:74f
51.209.7.80 0:0:0:0:0:ffff:33d1:750
51.209.7.81 0:0:0:0:0:ffff:33d1:751
51.209.7.82 0:0:0:0:0:ffff:33d1:752
51.209.7.83 0:0:0:0:0:ffff:33d1:753
51.209.7.84 0:0:0:0:0:ffff:33d1:754
51.209.7.85 0:0:0:0:0:ffff:33d1:755
51.209.7.86 0:0:0:0:0:ffff:33d1:756
51.209.7.87 0:0:0:0:0:ffff:33d1:757
51.209.7.88 0:0:0:0:0:ffff:33d1:758
51.209.7.89 0:0:0:0:0:ffff:33d1:759
51.209.7.90 0:0:0:0:0:ffff:33d1:75a
51.209.7.91 0:0:0:0:0:ffff:33d1:75b
51.209.7.92 0:0:0:0:0:ffff:33d1:75c
51.209.7.93 0:0:0:0:0:ffff:33d1:75d
51.209.7.94 0:0:0:0:0:ffff:33d1:75e
51.209.7.95 0:0:0:0:0:ffff:33d1:75f
51.209.7.96 0:0:0:0:0:ffff:33d1:760
51.209.7.97 0:0:0:0:0:ffff:33d1:761
51.209.7.98 0:0:0:0:0:ffff:33d1:762
51.209.7.99 0:0:0:0:0:ffff:33d1:763
51.209.7.100 0:0:0:0:0:ffff:33d1:764
51.209.7.101 0:0:0:0:0:ffff:33d1:765
51.209.7.102 0:0:0:0:0:ffff:33d1:766
51.209.7.103 0:0:0:0:0:ffff:33d1:767
51.209.7.104 0:0:0:0:0:ffff:33d1:768
51.209.7.105 0:0:0:0:0:ffff:33d1:769
51.209.7.106 0:0:0:0:0:ffff:33d1:76a
51.209.7.107 0:0:0:0:0:ffff:33d1:76b
51.209.7.108 0:0:0:0:0:ffff:33d1:76c
51.209.7.109 0:0:0:0:0:ffff:33d1:76d
51.209.7.110 0:0:0:0:0:ffff:33d1:76e
51.209.7.111 0:0:0:0:0:ffff:33d1:76f
51.209.7.112 0:0:0:0:0:ffff:33d1:770
51.209.7.113 0:0:0:0:0:ffff:33d1:771
51.209.7.114 0:0:0:0:0:ffff:33d1:772
51.209.7.115 0:0:0:0:0:ffff:33d1:773
51.209.7.116 0:0:0:0:0:ffff:33d1:774
51.209.7.117 0:0:0:0:0:ffff:33d1:775
51.209.7.118 0:0:0:0:0:ffff:33d1:776
51.209.7.119 0:0:0:0:0:ffff:33d1:777
51.209.7.120 0:0:0:0:0:ffff:33d1:778


51.209.7.121 0:0:0:0:0:ffff:33d1:779
51.209.7.122 0:0:0:0:0:ffff:33d1:77a
51.209.7.123 0:0:0:0:0:ffff:33d1:77b
51.209.7.124 0:0:0:0:0:ffff:33d1:77c
51.209.7.125 0:0:0:0:0:ffff:33d1:77d
51.209.7.126 0:0:0:0:0:ffff:33d1:77e
51.209.7.127 0:0:0:0:0:ffff:33d1:77f
51.209.7.128 0:0:0:0:0:ffff:33d1:780
51.209.7.129 0:0:0:0:0:ffff:33d1:781
51.209.7.130 0:0:0:0:0:ffff:33d1:782
51.209.7.131 0:0:0:0:0:ffff:33d1:783
51.209.7.132 0:0:0:0:0:ffff:33d1:784
51.209.7.133 0:0:0:0:0:ffff:33d1:785
51.209.7.134 0:0:0:0:0:ffff:33d1:786
51.209.7.135 0:0:0:0:0:ffff:33d1:787
51.209.7.136 0:0:0:0:0:ffff:33d1:788
51.209.7.137 0:0:0:0:0:ffff:33d1:789
51.209.7.138 0:0:0:0:0:ffff:33d1:78a
51.209.7.139 0:0:0:0:0:ffff:33d1:78b
51.209.7.140 0:0:0:0:0:ffff:33d1:78c
51.209.7.141 0:0:0:0:0:ffff:33d1:78d
51.209.7.142 0:0:0:0:0:ffff:33d1:78e
51.209.7.143 0:0:0:0:0:ffff:33d1:78f
51.209.7.144 0:0:0:0:0:ffff:33d1:790
51.209.7.145 0:0:0:0:0:ffff:33d1:791
51.209.7.146 0:0:0:0:0:ffff:33d1:792
51.209.7.147 0:0:0:0:0:ffff:33d1:793
51.209.7.148 0:0:0:0:0:ffff:33d1:794
51.209.7.149 0:0:0:0:0:ffff:33d1:795
51.209.7.150 0:0:0:0:0:ffff:33d1:796
51.209.7.151 0:0:0:0:0:ffff:33d1:797
51.209.7.152 0:0:0:0:0:ffff:33d1:798
51.209.7.153 0:0:0:0:0:ffff:33d1:799
51.209.7.154 0:0:0:0:0:ffff:33d1:79a
51.209.7.155 0:0:0:0:0:ffff:33d1:79b
51.209.7.156 0:0:0:0:0:ffff:33d1:79c
51.209.7.157 0:0:0:0:0:ffff:33d1:79d
51.209.7.158 0:0:0:0:0:ffff:33d1:79e
51.209.7.159 0:0:0:0:0:ffff:33d1:79f
51.209.7.160 0:0:0:0:0:ffff:33d1:7a0
51.209.7.161 0:0:0:0:0:ffff:33d1:7a1
51.209.7.162 0:0:0:0:0:ffff:33d1:7a2
51.209.7.163 0:0:0:0:0:ffff:33d1:7a3
51.209.7.164 0:0:0:0:0:ffff:33d1:7a4
51.209.7.165 0:0:0:0:0:ffff:33d1:7a5
51.209.7.166 0:0:0:0:0:ffff:33d1:7a6
51.209.7.167 0:0:0:0:0:ffff:33d1:7a7
51.209.7.168 0:0:0:0:0:ffff:33d1:7a8
51.209.7.169 0:0:0:0:0:ffff:33d1:7a9
51.209.7.170 0:0:0:0:0:ffff:33d1:7aa
51.209.7.171 0:0:0:0:0:ffff:33d1:7ab
51.209.7.172 0:0:0:0:0:ffff:33d1:7ac
51.209.7.173 0:0:0:0:0:ffff:33d1:7ad
51.209.7.174 0:0:0:0:0:ffff:33d1:7ae
51.209.7.175 0:0:0:0:0:ffff:33d1:7af
51.209.7.176 0:0:0:0:0:ffff:33d1:7b0
51.209.7.177 0:0:0:0:0:ffff:33d1:7b1
51.209.7.178 0:0:0:0:0:ffff:33d1:7b2
51.209.7.179 0:0:0:0:0:ffff:33d1:7b3
51.209.7.180 0:0:0:0:0:ffff:33d1:7b4


51.209.7.181 0:0:0:0:0:ffff:33d1:7b5
51.209.7.182 0:0:0:0:0:ffff:33d1:7b6
51.209.7.183 0:0:0:0:0:ffff:33d1:7b7
51.209.7.184 0:0:0:0:0:ffff:33d1:7b8
51.209.7.185 0:0:0:0:0:ffff:33d1:7b9
51.209.7.186 0:0:0:0:0:ffff:33d1:7ba
51.209.7.187 0:0:0:0:0:ffff:33d1:7bb
51.209.7.188 0:0:0:0:0:ffff:33d1:7bc
51.209.7.189 0:0:0:0:0:ffff:33d1:7bd
51.209.7.190 0:0:0:0:0:ffff:33d1:7be
51.209.7.191 0:0:0:0:0:ffff:33d1:7bf
51.209.7.192 0:0:0:0:0:ffff:33d1:7c0
51.209.7.193 0:0:0:0:0:ffff:33d1:7c1
51.209.7.194 0:0:0:0:0:ffff:33d1:7c2
51.209.7.195 0:0:0:0:0:ffff:33d1:7c3
51.209.7.196 0:0:0:0:0:ffff:33d1:7c4
51.209.7.197 0:0:0:0:0:ffff:33d1:7c5
51.209.7.198 0:0:0:0:0:ffff:33d1:7c6
51.209.7.199 0:0:0:0:0:ffff:33d1:7c7
51.209.7.200 0:0:0:0:0:ffff:33d1:7c8
51.209.7.201 0:0:0:0:0:ffff:33d1:7c9
51.209.7.202 0:0:0:0:0:ffff:33d1:7ca
51.209.7.203 0:0:0:0:0:ffff:33d1:7cb
51.209.7.204 0:0:0:0:0:ffff:33d1:7cc
51.209.7.205 0:0:0:0:0:ffff:33d1:7cd
51.209.7.206 0:0:0:0:0:ffff:33d1:7ce
51.209.7.207 0:0:0:0:0:ffff:33d1:7cf
51.209.7.208 0:0:0:0:0:ffff:33d1:7d0
51.209.7.209 0:0:0:0:0:ffff:33d1:7d1
51.209.7.210 0:0:0:0:0:ffff:33d1:7d2
51.209.7.211 0:0:0:0:0:ffff:33d1:7d3
51.209.7.212 0:0:0:0:0:ffff:33d1:7d4
51.209.7.213 0:0:0:0:0:ffff:33d1:7d5
51.209.7.214 0:0:0:0:0:ffff:33d1:7d6
51.209.7.215 0:0:0:0:0:ffff:33d1:7d7
51.209.7.216 0:0:0:0:0:ffff:33d1:7d8
51.209.7.217 0:0:0:0:0:ffff:33d1:7d9
51.209.7.218 0:0:0:0:0:ffff:33d1:7da
51.209.7.219 0:0:0:0:0:ffff:33d1:7db
51.209.7.220 0:0:0:0:0:ffff:33d1:7dc
51.209.7.221 0:0:0:0:0:ffff:33d1:7dd
51.209.7.222 0:0:0:0:0:ffff:33d1:7de
51.209.7.223 0:0:0:0:0:ffff:33d1:7df
51.209.7.224 0:0:0:0:0:ffff:33d1:7e0
51.209.7.225 0:0:0:0:0:ffff:33d1:7e1
51.209.7.226 0:0:0:0:0:ffff:33d1:7e2
51.209.7.227 0:0:0:0:0:ffff:33d1:7e3
51.209.7.228 0:0:0:0:0:ffff:33d1:7e4
51.209.7.229 0:0:0:0:0:ffff:33d1:7e5
51.209.7.230 0:0:0:0:0:ffff:33d1:7e6
51.209.7.231 0:0:0:0:0:ffff:33d1:7e7
51.209.7.232 0:0:0:0:0:ffff:33d1:7e8
51.209.7.233 0:0:0:0:0:ffff:33d1:7e9
51.209.7.234 0:0:0:0:0:ffff:33d1:7ea
51.209.7.235 0:0:0:0:0:ffff:33d1:7eb
51.209.7.236 0:0:0:0:0:ffff:33d1:7ec
51.209.7.237 0:0:0:0:0:ffff:33d1:7ed
51.209.7.238 0:0:0:0:0:ffff:33d1:7ee
51.209.7.239 0:0:0:0:0:ffff:33d1:7ef
51.209.7.240 0:0:0:0:0:ffff:33d1:7f0
51.209.7.241 0:0:0:0:0:ffff:33d1:7f1
51.209.7.242 0:0:0:0:0:ffff:33d1:7f2
51.209.7.243 0:0:0:0:0:ffff:33d1:7f3
51.209.7.244 0:0:0:0:0:ffff:33d1:7f4
51.209.7.245 0:0:0:0:0:ffff:33d1:7f5
51.209.7.246 0:0:0:0:0:ffff:33d1:7f6
51.209.7.247 0:0:0:0:0:ffff:33d1:7f7
51.209.7.248 0:0:0:0:0:ffff:33d1:7f8
51.209.7.249 0:0:0:0:0:ffff:33d1:7f9
51.209.7.250 0:0:0:0:0:ffff:33d1:7fa
51.209.7.251 0:0:0:0:0:ffff:33d1:7fb
51.209.7.252 0:0:0:0:0:ffff:33d1:7fc
51.209.7.253 0:0:0:0:0:ffff:33d1:7fd
51.209.7.254 0:0:0:0:0:ffff:33d1:7fe
51.209.7.255 0:0:0:0:0:ffff:33d1:7ff


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.