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
143.243.55.1 0:0:0:0:0:ffff:8ff3:3701
143.243.55.2 0:0:0:0:0:ffff:8ff3:3702
143.243.55.3 0:0:0:0:0:ffff:8ff3:3703
143.243.55.4 0:0:0:0:0:ffff:8ff3:3704
143.243.55.5 0:0:0:0:0:ffff:8ff3:3705
143.243.55.6 0:0:0:0:0:ffff:8ff3:3706
143.243.55.7 0:0:0:0:0:ffff:8ff3:3707
143.243.55.8 0:0:0:0:0:ffff:8ff3:3708
143.243.55.9 0:0:0:0:0:ffff:8ff3:3709
143.243.55.10 0:0:0:0:0:ffff:8ff3:370a
143.243.55.11 0:0:0:0:0:ffff:8ff3:370b
143.243.55.12 0:0:0:0:0:ffff:8ff3:370c
143.243.55.13 0:0:0:0:0:ffff:8ff3:370d
143.243.55.14 0:0:0:0:0:ffff:8ff3:370e
143.243.55.15 0:0:0:0:0:ffff:8ff3:370f
143.243.55.16 0:0:0:0:0:ffff:8ff3:3710
143.243.55.17 0:0:0:0:0:ffff:8ff3:3711
143.243.55.18 0:0:0:0:0:ffff:8ff3:3712
143.243.55.19 0:0:0:0:0:ffff:8ff3:3713
143.243.55.20 0:0:0:0:0:ffff:8ff3:3714
143.243.55.21 0:0:0:0:0:ffff:8ff3:3715
143.243.55.22 0:0:0:0:0:ffff:8ff3:3716
143.243.55.23 0:0:0:0:0:ffff:8ff3:3717
143.243.55.24 0:0:0:0:0:ffff:8ff3:3718
143.243.55.25 0:0:0:0:0:ffff:8ff3:3719
143.243.55.26 0:0:0:0:0:ffff:8ff3:371a
143.243.55.27 0:0:0:0:0:ffff:8ff3:371b
143.243.55.28 0:0:0:0:0:ffff:8ff3:371c
143.243.55.29 0:0:0:0:0:ffff:8ff3:371d
143.243.55.30 0:0:0:0:0:ffff:8ff3:371e
143.243.55.31 0:0:0:0:0:ffff:8ff3:371f
143.243.55.32 0:0:0:0:0:ffff:8ff3:3720
143.243.55.33 0:0:0:0:0:ffff:8ff3:3721
143.243.55.34 0:0:0:0:0:ffff:8ff3:3722
143.243.55.35 0:0:0:0:0:ffff:8ff3:3723
143.243.55.36 0:0:0:0:0:ffff:8ff3:3724
143.243.55.37 0:0:0:0:0:ffff:8ff3:3725
143.243.55.38 0:0:0:0:0:ffff:8ff3:3726
143.243.55.39 0:0:0:0:0:ffff:8ff3:3727
143.243.55.40 0:0:0:0:0:ffff:8ff3:3728
143.243.55.41 0:0:0:0:0:ffff:8ff3:3729
143.243.55.42 0:0:0:0:0:ffff:8ff3:372a
143.243.55.43 0:0:0:0:0:ffff:8ff3:372b
143.243.55.44 0:0:0:0:0:ffff:8ff3:372c
143.243.55.45 0:0:0:0:0:ffff:8ff3:372d
143.243.55.46 0:0:0:0:0:ffff:8ff3:372e
143.243.55.47 0:0:0:0:0:ffff:8ff3:372f
143.243.55.48 0:0:0:0:0:ffff:8ff3:3730
143.243.55.49 0:0:0:0:0:ffff:8ff3:3731
143.243.55.50 0:0:0:0:0:ffff:8ff3:3732
143.243.55.51 0:0:0:0:0:ffff:8ff3:3733
143.243.55.52 0:0:0:0:0:ffff:8ff3:3734
143.243.55.53 0:0:0:0:0:ffff:8ff3:3735
143.243.55.54 0:0:0:0:0:ffff:8ff3:3736
143.243.55.55 0:0:0:0:0:ffff:8ff3:3737
143.243.55.56 0:0:0:0:0:ffff:8ff3:3738
143.243.55.57 0:0:0:0:0:ffff:8ff3:3739
143.243.55.58 0:0:0:0:0:ffff:8ff3:373a
143.243.55.59 0:0:0:0:0:ffff:8ff3:373b
143.243.55.60 0:0:0:0:0:ffff:8ff3:373c


143.243.55.61 0:0:0:0:0:ffff:8ff3:373d
143.243.55.62 0:0:0:0:0:ffff:8ff3:373e
143.243.55.63 0:0:0:0:0:ffff:8ff3:373f
143.243.55.64 0:0:0:0:0:ffff:8ff3:3740
143.243.55.65 0:0:0:0:0:ffff:8ff3:3741
143.243.55.66 0:0:0:0:0:ffff:8ff3:3742
143.243.55.67 0:0:0:0:0:ffff:8ff3:3743
143.243.55.68 0:0:0:0:0:ffff:8ff3:3744
143.243.55.69 0:0:0:0:0:ffff:8ff3:3745
143.243.55.70 0:0:0:0:0:ffff:8ff3:3746
143.243.55.71 0:0:0:0:0:ffff:8ff3:3747
143.243.55.72 0:0:0:0:0:ffff:8ff3:3748
143.243.55.73 0:0:0:0:0:ffff:8ff3:3749
143.243.55.74 0:0:0:0:0:ffff:8ff3:374a
143.243.55.75 0:0:0:0:0:ffff:8ff3:374b
143.243.55.76 0:0:0:0:0:ffff:8ff3:374c
143.243.55.77 0:0:0:0:0:ffff:8ff3:374d
143.243.55.78 0:0:0:0:0:ffff:8ff3:374e
143.243.55.79 0:0:0:0:0:ffff:8ff3:374f
143.243.55.80 0:0:0:0:0:ffff:8ff3:3750
143.243.55.81 0:0:0:0:0:ffff:8ff3:3751
143.243.55.82 0:0:0:0:0:ffff:8ff3:3752
143.243.55.83 0:0:0:0:0:ffff:8ff3:3753
143.243.55.84 0:0:0:0:0:ffff:8ff3:3754
143.243.55.85 0:0:0:0:0:ffff:8ff3:3755
143.243.55.86 0:0:0:0:0:ffff:8ff3:3756
143.243.55.87 0:0:0:0:0:ffff:8ff3:3757
143.243.55.88 0:0:0:0:0:ffff:8ff3:3758
143.243.55.89 0:0:0:0:0:ffff:8ff3:3759
143.243.55.90 0:0:0:0:0:ffff:8ff3:375a
143.243.55.91 0:0:0:0:0:ffff:8ff3:375b
143.243.55.92 0:0:0:0:0:ffff:8ff3:375c
143.243.55.93 0:0:0:0:0:ffff:8ff3:375d
143.243.55.94 0:0:0:0:0:ffff:8ff3:375e
143.243.55.95 0:0:0:0:0:ffff:8ff3:375f
143.243.55.96 0:0:0:0:0:ffff:8ff3:3760
143.243.55.97 0:0:0:0:0:ffff:8ff3:3761
143.243.55.98 0:0:0:0:0:ffff:8ff3:3762
143.243.55.99 0:0:0:0:0:ffff:8ff3:3763
143.243.55.100 0:0:0:0:0:ffff:8ff3:3764
143.243.55.101 0:0:0:0:0:ffff:8ff3:3765
143.243.55.102 0:0:0:0:0:ffff:8ff3:3766
143.243.55.103 0:0:0:0:0:ffff:8ff3:3767
143.243.55.104 0:0:0:0:0:ffff:8ff3:3768
143.243.55.105 0:0:0:0:0:ffff:8ff3:3769
143.243.55.106 0:0:0:0:0:ffff:8ff3:376a
143.243.55.107 0:0:0:0:0:ffff:8ff3:376b
143.243.55.108 0:0:0:0:0:ffff:8ff3:376c
143.243.55.109 0:0:0:0:0:ffff:8ff3:376d
143.243.55.110 0:0:0:0:0:ffff:8ff3:376e
143.243.55.111 0:0:0:0:0:ffff:8ff3:376f
143.243.55.112 0:0:0:0:0:ffff:8ff3:3770
143.243.55.113 0:0:0:0:0:ffff:8ff3:3771
143.243.55.114 0:0:0:0:0:ffff:8ff3:3772
143.243.55.115 0:0:0:0:0:ffff:8ff3:3773
143.243.55.116 0:0:0:0:0:ffff:8ff3:3774
143.243.55.117 0:0:0:0:0:ffff:8ff3:3775
143.243.55.118 0:0:0:0:0:ffff:8ff3:3776
143.243.55.119 0:0:0:0:0:ffff:8ff3:3777
143.243.55.120 0:0:0:0:0:ffff:8ff3:3778


143.243.55.121 0:0:0:0:0:ffff:8ff3:3779
143.243.55.122 0:0:0:0:0:ffff:8ff3:377a
143.243.55.123 0:0:0:0:0:ffff:8ff3:377b
143.243.55.124 0:0:0:0:0:ffff:8ff3:377c
143.243.55.125 0:0:0:0:0:ffff:8ff3:377d
143.243.55.126 0:0:0:0:0:ffff:8ff3:377e
143.243.55.127 0:0:0:0:0:ffff:8ff3:377f
143.243.55.128 0:0:0:0:0:ffff:8ff3:3780
143.243.55.129 0:0:0:0:0:ffff:8ff3:3781
143.243.55.130 0:0:0:0:0:ffff:8ff3:3782
143.243.55.131 0:0:0:0:0:ffff:8ff3:3783
143.243.55.132 0:0:0:0:0:ffff:8ff3:3784
143.243.55.133 0:0:0:0:0:ffff:8ff3:3785
143.243.55.134 0:0:0:0:0:ffff:8ff3:3786
143.243.55.135 0:0:0:0:0:ffff:8ff3:3787
143.243.55.136 0:0:0:0:0:ffff:8ff3:3788
143.243.55.137 0:0:0:0:0:ffff:8ff3:3789
143.243.55.138 0:0:0:0:0:ffff:8ff3:378a
143.243.55.139 0:0:0:0:0:ffff:8ff3:378b
143.243.55.140 0:0:0:0:0:ffff:8ff3:378c
143.243.55.141 0:0:0:0:0:ffff:8ff3:378d
143.243.55.142 0:0:0:0:0:ffff:8ff3:378e
143.243.55.143 0:0:0:0:0:ffff:8ff3:378f
143.243.55.144 0:0:0:0:0:ffff:8ff3:3790
143.243.55.145 0:0:0:0:0:ffff:8ff3:3791
143.243.55.146 0:0:0:0:0:ffff:8ff3:3792
143.243.55.147 0:0:0:0:0:ffff:8ff3:3793
143.243.55.148 0:0:0:0:0:ffff:8ff3:3794
143.243.55.149 0:0:0:0:0:ffff:8ff3:3795
143.243.55.150 0:0:0:0:0:ffff:8ff3:3796
143.243.55.151 0:0:0:0:0:ffff:8ff3:3797
143.243.55.152 0:0:0:0:0:ffff:8ff3:3798
143.243.55.153 0:0:0:0:0:ffff:8ff3:3799
143.243.55.154 0:0:0:0:0:ffff:8ff3:379a
143.243.55.155 0:0:0:0:0:ffff:8ff3:379b
143.243.55.156 0:0:0:0:0:ffff:8ff3:379c
143.243.55.157 0:0:0:0:0:ffff:8ff3:379d
143.243.55.158 0:0:0:0:0:ffff:8ff3:379e
143.243.55.159 0:0:0:0:0:ffff:8ff3:379f
143.243.55.160 0:0:0:0:0:ffff:8ff3:37a0
143.243.55.161 0:0:0:0:0:ffff:8ff3:37a1
143.243.55.162 0:0:0:0:0:ffff:8ff3:37a2
143.243.55.163 0:0:0:0:0:ffff:8ff3:37a3
143.243.55.164 0:0:0:0:0:ffff:8ff3:37a4
143.243.55.165 0:0:0:0:0:ffff:8ff3:37a5
143.243.55.166 0:0:0:0:0:ffff:8ff3:37a6
143.243.55.167 0:0:0:0:0:ffff:8ff3:37a7
143.243.55.168 0:0:0:0:0:ffff:8ff3:37a8
143.243.55.169 0:0:0:0:0:ffff:8ff3:37a9
143.243.55.170 0:0:0:0:0:ffff:8ff3:37aa
143.243.55.171 0:0:0:0:0:ffff:8ff3:37ab
143.243.55.172 0:0:0:0:0:ffff:8ff3:37ac
143.243.55.173 0:0:0:0:0:ffff:8ff3:37ad
143.243.55.174 0:0:0:0:0:ffff:8ff3:37ae
143.243.55.175 0:0:0:0:0:ffff:8ff3:37af
143.243.55.176 0:0:0:0:0:ffff:8ff3:37b0
143.243.55.177 0:0:0:0:0:ffff:8ff3:37b1
143.243.55.178 0:0:0:0:0:ffff:8ff3:37b2
143.243.55.179 0:0:0:0:0:ffff:8ff3:37b3
143.243.55.180 0:0:0:0:0:ffff:8ff3:37b4


143.243.55.181 0:0:0:0:0:ffff:8ff3:37b5
143.243.55.182 0:0:0:0:0:ffff:8ff3:37b6
143.243.55.183 0:0:0:0:0:ffff:8ff3:37b7
143.243.55.184 0:0:0:0:0:ffff:8ff3:37b8
143.243.55.185 0:0:0:0:0:ffff:8ff3:37b9
143.243.55.186 0:0:0:0:0:ffff:8ff3:37ba
143.243.55.187 0:0:0:0:0:ffff:8ff3:37bb
143.243.55.188 0:0:0:0:0:ffff:8ff3:37bc
143.243.55.189 0:0:0:0:0:ffff:8ff3:37bd
143.243.55.190 0:0:0:0:0:ffff:8ff3:37be
143.243.55.191 0:0:0:0:0:ffff:8ff3:37bf
143.243.55.192 0:0:0:0:0:ffff:8ff3:37c0
143.243.55.193 0:0:0:0:0:ffff:8ff3:37c1
143.243.55.194 0:0:0:0:0:ffff:8ff3:37c2
143.243.55.195 0:0:0:0:0:ffff:8ff3:37c3
143.243.55.196 0:0:0:0:0:ffff:8ff3:37c4
143.243.55.197 0:0:0:0:0:ffff:8ff3:37c5
143.243.55.198 0:0:0:0:0:ffff:8ff3:37c6
143.243.55.199 0:0:0:0:0:ffff:8ff3:37c7
143.243.55.200 0:0:0:0:0:ffff:8ff3:37c8
143.243.55.201 0:0:0:0:0:ffff:8ff3:37c9
143.243.55.202 0:0:0:0:0:ffff:8ff3:37ca
143.243.55.203 0:0:0:0:0:ffff:8ff3:37cb
143.243.55.204 0:0:0:0:0:ffff:8ff3:37cc
143.243.55.205 0:0:0:0:0:ffff:8ff3:37cd
143.243.55.206 0:0:0:0:0:ffff:8ff3:37ce
143.243.55.207 0:0:0:0:0:ffff:8ff3:37cf
143.243.55.208 0:0:0:0:0:ffff:8ff3:37d0
143.243.55.209 0:0:0:0:0:ffff:8ff3:37d1
143.243.55.210 0:0:0:0:0:ffff:8ff3:37d2
143.243.55.211 0:0:0:0:0:ffff:8ff3:37d3
143.243.55.212 0:0:0:0:0:ffff:8ff3:37d4
143.243.55.213 0:0:0:0:0:ffff:8ff3:37d5
143.243.55.214 0:0:0:0:0:ffff:8ff3:37d6
143.243.55.215 0:0:0:0:0:ffff:8ff3:37d7
143.243.55.216 0:0:0:0:0:ffff:8ff3:37d8
143.243.55.217 0:0:0:0:0:ffff:8ff3:37d9
143.243.55.218 0:0:0:0:0:ffff:8ff3:37da
143.243.55.219 0:0:0:0:0:ffff:8ff3:37db
143.243.55.220 0:0:0:0:0:ffff:8ff3:37dc
143.243.55.221 0:0:0:0:0:ffff:8ff3:37dd
143.243.55.222 0:0:0:0:0:ffff:8ff3:37de
143.243.55.223 0:0:0:0:0:ffff:8ff3:37df
143.243.55.224 0:0:0:0:0:ffff:8ff3:37e0
143.243.55.225 0:0:0:0:0:ffff:8ff3:37e1
143.243.55.226 0:0:0:0:0:ffff:8ff3:37e2
143.243.55.227 0:0:0:0:0:ffff:8ff3:37e3
143.243.55.228 0:0:0:0:0:ffff:8ff3:37e4
143.243.55.229 0:0:0:0:0:ffff:8ff3:37e5
143.243.55.230 0:0:0:0:0:ffff:8ff3:37e6
143.243.55.231 0:0:0:0:0:ffff:8ff3:37e7
143.243.55.232 0:0:0:0:0:ffff:8ff3:37e8
143.243.55.233 0:0:0:0:0:ffff:8ff3:37e9
143.243.55.234 0:0:0:0:0:ffff:8ff3:37ea
143.243.55.235 0:0:0:0:0:ffff:8ff3:37eb
143.243.55.236 0:0:0:0:0:ffff:8ff3:37ec
143.243.55.237 0:0:0:0:0:ffff:8ff3:37ed
143.243.55.238 0:0:0:0:0:ffff:8ff3:37ee
143.243.55.239 0:0:0:0:0:ffff:8ff3:37ef
143.243.55.240 0:0:0:0:0:ffff:8ff3:37f0
143.243.55.241 0:0:0:0:0:ffff:8ff3:37f1
143.243.55.242 0:0:0:0:0:ffff:8ff3:37f2
143.243.55.243 0:0:0:0:0:ffff:8ff3:37f3
143.243.55.244 0:0:0:0:0:ffff:8ff3:37f4
143.243.55.245 0:0:0:0:0:ffff:8ff3:37f5
143.243.55.246 0:0:0:0:0:ffff:8ff3:37f6
143.243.55.247 0:0:0:0:0:ffff:8ff3:37f7
143.243.55.248 0:0:0:0:0:ffff:8ff3:37f8
143.243.55.249 0:0:0:0:0:ffff:8ff3:37f9
143.243.55.250 0:0:0:0:0:ffff:8ff3:37fa
143.243.55.251 0:0:0:0:0:ffff:8ff3:37fb
143.243.55.252 0:0:0:0:0:ffff:8ff3:37fc
143.243.55.253 0:0:0:0:0:ffff:8ff3:37fd
143.243.55.254 0:0:0:0:0:ffff:8ff3:37fe
143.243.55.255 0:0:0:0:0:ffff:8ff3:37ff


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.