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
145.43.55.1 0:0:0:0:0:ffff:912b:3701
145.43.55.2 0:0:0:0:0:ffff:912b:3702
145.43.55.3 0:0:0:0:0:ffff:912b:3703
145.43.55.4 0:0:0:0:0:ffff:912b:3704
145.43.55.5 0:0:0:0:0:ffff:912b:3705
145.43.55.6 0:0:0:0:0:ffff:912b:3706
145.43.55.7 0:0:0:0:0:ffff:912b:3707
145.43.55.8 0:0:0:0:0:ffff:912b:3708
145.43.55.9 0:0:0:0:0:ffff:912b:3709
145.43.55.10 0:0:0:0:0:ffff:912b:370a
145.43.55.11 0:0:0:0:0:ffff:912b:370b
145.43.55.12 0:0:0:0:0:ffff:912b:370c
145.43.55.13 0:0:0:0:0:ffff:912b:370d
145.43.55.14 0:0:0:0:0:ffff:912b:370e
145.43.55.15 0:0:0:0:0:ffff:912b:370f
145.43.55.16 0:0:0:0:0:ffff:912b:3710
145.43.55.17 0:0:0:0:0:ffff:912b:3711
145.43.55.18 0:0:0:0:0:ffff:912b:3712
145.43.55.19 0:0:0:0:0:ffff:912b:3713
145.43.55.20 0:0:0:0:0:ffff:912b:3714
145.43.55.21 0:0:0:0:0:ffff:912b:3715
145.43.55.22 0:0:0:0:0:ffff:912b:3716
145.43.55.23 0:0:0:0:0:ffff:912b:3717
145.43.55.24 0:0:0:0:0:ffff:912b:3718
145.43.55.25 0:0:0:0:0:ffff:912b:3719
145.43.55.26 0:0:0:0:0:ffff:912b:371a
145.43.55.27 0:0:0:0:0:ffff:912b:371b
145.43.55.28 0:0:0:0:0:ffff:912b:371c
145.43.55.29 0:0:0:0:0:ffff:912b:371d
145.43.55.30 0:0:0:0:0:ffff:912b:371e
145.43.55.31 0:0:0:0:0:ffff:912b:371f
145.43.55.32 0:0:0:0:0:ffff:912b:3720
145.43.55.33 0:0:0:0:0:ffff:912b:3721
145.43.55.34 0:0:0:0:0:ffff:912b:3722
145.43.55.35 0:0:0:0:0:ffff:912b:3723
145.43.55.36 0:0:0:0:0:ffff:912b:3724
145.43.55.37 0:0:0:0:0:ffff:912b:3725
145.43.55.38 0:0:0:0:0:ffff:912b:3726
145.43.55.39 0:0:0:0:0:ffff:912b:3727
145.43.55.40 0:0:0:0:0:ffff:912b:3728
145.43.55.41 0:0:0:0:0:ffff:912b:3729
145.43.55.42 0:0:0:0:0:ffff:912b:372a
145.43.55.43 0:0:0:0:0:ffff:912b:372b
145.43.55.44 0:0:0:0:0:ffff:912b:372c
145.43.55.45 0:0:0:0:0:ffff:912b:372d
145.43.55.46 0:0:0:0:0:ffff:912b:372e
145.43.55.47 0:0:0:0:0:ffff:912b:372f
145.43.55.48 0:0:0:0:0:ffff:912b:3730
145.43.55.49 0:0:0:0:0:ffff:912b:3731
145.43.55.50 0:0:0:0:0:ffff:912b:3732
145.43.55.51 0:0:0:0:0:ffff:912b:3733
145.43.55.52 0:0:0:0:0:ffff:912b:3734
145.43.55.53 0:0:0:0:0:ffff:912b:3735
145.43.55.54 0:0:0:0:0:ffff:912b:3736
145.43.55.55 0:0:0:0:0:ffff:912b:3737
145.43.55.56 0:0:0:0:0:ffff:912b:3738
145.43.55.57 0:0:0:0:0:ffff:912b:3739
145.43.55.58 0:0:0:0:0:ffff:912b:373a
145.43.55.59 0:0:0:0:0:ffff:912b:373b
145.43.55.60 0:0:0:0:0:ffff:912b:373c


145.43.55.61 0:0:0:0:0:ffff:912b:373d
145.43.55.62 0:0:0:0:0:ffff:912b:373e
145.43.55.63 0:0:0:0:0:ffff:912b:373f
145.43.55.64 0:0:0:0:0:ffff:912b:3740
145.43.55.65 0:0:0:0:0:ffff:912b:3741
145.43.55.66 0:0:0:0:0:ffff:912b:3742
145.43.55.67 0:0:0:0:0:ffff:912b:3743
145.43.55.68 0:0:0:0:0:ffff:912b:3744
145.43.55.69 0:0:0:0:0:ffff:912b:3745
145.43.55.70 0:0:0:0:0:ffff:912b:3746
145.43.55.71 0:0:0:0:0:ffff:912b:3747
145.43.55.72 0:0:0:0:0:ffff:912b:3748
145.43.55.73 0:0:0:0:0:ffff:912b:3749
145.43.55.74 0:0:0:0:0:ffff:912b:374a
145.43.55.75 0:0:0:0:0:ffff:912b:374b
145.43.55.76 0:0:0:0:0:ffff:912b:374c
145.43.55.77 0:0:0:0:0:ffff:912b:374d
145.43.55.78 0:0:0:0:0:ffff:912b:374e
145.43.55.79 0:0:0:0:0:ffff:912b:374f
145.43.55.80 0:0:0:0:0:ffff:912b:3750
145.43.55.81 0:0:0:0:0:ffff:912b:3751
145.43.55.82 0:0:0:0:0:ffff:912b:3752
145.43.55.83 0:0:0:0:0:ffff:912b:3753
145.43.55.84 0:0:0:0:0:ffff:912b:3754
145.43.55.85 0:0:0:0:0:ffff:912b:3755
145.43.55.86 0:0:0:0:0:ffff:912b:3756
145.43.55.87 0:0:0:0:0:ffff:912b:3757
145.43.55.88 0:0:0:0:0:ffff:912b:3758
145.43.55.89 0:0:0:0:0:ffff:912b:3759
145.43.55.90 0:0:0:0:0:ffff:912b:375a
145.43.55.91 0:0:0:0:0:ffff:912b:375b
145.43.55.92 0:0:0:0:0:ffff:912b:375c
145.43.55.93 0:0:0:0:0:ffff:912b:375d
145.43.55.94 0:0:0:0:0:ffff:912b:375e
145.43.55.95 0:0:0:0:0:ffff:912b:375f
145.43.55.96 0:0:0:0:0:ffff:912b:3760
145.43.55.97 0:0:0:0:0:ffff:912b:3761
145.43.55.98 0:0:0:0:0:ffff:912b:3762
145.43.55.99 0:0:0:0:0:ffff:912b:3763
145.43.55.100 0:0:0:0:0:ffff:912b:3764
145.43.55.101 0:0:0:0:0:ffff:912b:3765
145.43.55.102 0:0:0:0:0:ffff:912b:3766
145.43.55.103 0:0:0:0:0:ffff:912b:3767
145.43.55.104 0:0:0:0:0:ffff:912b:3768
145.43.55.105 0:0:0:0:0:ffff:912b:3769
145.43.55.106 0:0:0:0:0:ffff:912b:376a
145.43.55.107 0:0:0:0:0:ffff:912b:376b
145.43.55.108 0:0:0:0:0:ffff:912b:376c
145.43.55.109 0:0:0:0:0:ffff:912b:376d
145.43.55.110 0:0:0:0:0:ffff:912b:376e
145.43.55.111 0:0:0:0:0:ffff:912b:376f
145.43.55.112 0:0:0:0:0:ffff:912b:3770
145.43.55.113 0:0:0:0:0:ffff:912b:3771
145.43.55.114 0:0:0:0:0:ffff:912b:3772
145.43.55.115 0:0:0:0:0:ffff:912b:3773
145.43.55.116 0:0:0:0:0:ffff:912b:3774
145.43.55.117 0:0:0:0:0:ffff:912b:3775
145.43.55.118 0:0:0:0:0:ffff:912b:3776
145.43.55.119 0:0:0:0:0:ffff:912b:3777
145.43.55.120 0:0:0:0:0:ffff:912b:3778


145.43.55.121 0:0:0:0:0:ffff:912b:3779
145.43.55.122 0:0:0:0:0:ffff:912b:377a
145.43.55.123 0:0:0:0:0:ffff:912b:377b
145.43.55.124 0:0:0:0:0:ffff:912b:377c
145.43.55.125 0:0:0:0:0:ffff:912b:377d
145.43.55.126 0:0:0:0:0:ffff:912b:377e
145.43.55.127 0:0:0:0:0:ffff:912b:377f
145.43.55.128 0:0:0:0:0:ffff:912b:3780
145.43.55.129 0:0:0:0:0:ffff:912b:3781
145.43.55.130 0:0:0:0:0:ffff:912b:3782
145.43.55.131 0:0:0:0:0:ffff:912b:3783
145.43.55.132 0:0:0:0:0:ffff:912b:3784
145.43.55.133 0:0:0:0:0:ffff:912b:3785
145.43.55.134 0:0:0:0:0:ffff:912b:3786
145.43.55.135 0:0:0:0:0:ffff:912b:3787
145.43.55.136 0:0:0:0:0:ffff:912b:3788
145.43.55.137 0:0:0:0:0:ffff:912b:3789
145.43.55.138 0:0:0:0:0:ffff:912b:378a
145.43.55.139 0:0:0:0:0:ffff:912b:378b
145.43.55.140 0:0:0:0:0:ffff:912b:378c
145.43.55.141 0:0:0:0:0:ffff:912b:378d
145.43.55.142 0:0:0:0:0:ffff:912b:378e
145.43.55.143 0:0:0:0:0:ffff:912b:378f
145.43.55.144 0:0:0:0:0:ffff:912b:3790
145.43.55.145 0:0:0:0:0:ffff:912b:3791
145.43.55.146 0:0:0:0:0:ffff:912b:3792
145.43.55.147 0:0:0:0:0:ffff:912b:3793
145.43.55.148 0:0:0:0:0:ffff:912b:3794
145.43.55.149 0:0:0:0:0:ffff:912b:3795
145.43.55.150 0:0:0:0:0:ffff:912b:3796
145.43.55.151 0:0:0:0:0:ffff:912b:3797
145.43.55.152 0:0:0:0:0:ffff:912b:3798
145.43.55.153 0:0:0:0:0:ffff:912b:3799
145.43.55.154 0:0:0:0:0:ffff:912b:379a
145.43.55.155 0:0:0:0:0:ffff:912b:379b
145.43.55.156 0:0:0:0:0:ffff:912b:379c
145.43.55.157 0:0:0:0:0:ffff:912b:379d
145.43.55.158 0:0:0:0:0:ffff:912b:379e
145.43.55.159 0:0:0:0:0:ffff:912b:379f
145.43.55.160 0:0:0:0:0:ffff:912b:37a0
145.43.55.161 0:0:0:0:0:ffff:912b:37a1
145.43.55.162 0:0:0:0:0:ffff:912b:37a2
145.43.55.163 0:0:0:0:0:ffff:912b:37a3
145.43.55.164 0:0:0:0:0:ffff:912b:37a4
145.43.55.165 0:0:0:0:0:ffff:912b:37a5
145.43.55.166 0:0:0:0:0:ffff:912b:37a6
145.43.55.167 0:0:0:0:0:ffff:912b:37a7
145.43.55.168 0:0:0:0:0:ffff:912b:37a8
145.43.55.169 0:0:0:0:0:ffff:912b:37a9
145.43.55.170 0:0:0:0:0:ffff:912b:37aa
145.43.55.171 0:0:0:0:0:ffff:912b:37ab
145.43.55.172 0:0:0:0:0:ffff:912b:37ac
145.43.55.173 0:0:0:0:0:ffff:912b:37ad
145.43.55.174 0:0:0:0:0:ffff:912b:37ae
145.43.55.175 0:0:0:0:0:ffff:912b:37af
145.43.55.176 0:0:0:0:0:ffff:912b:37b0
145.43.55.177 0:0:0:0:0:ffff:912b:37b1
145.43.55.178 0:0:0:0:0:ffff:912b:37b2
145.43.55.179 0:0:0:0:0:ffff:912b:37b3
145.43.55.180 0:0:0:0:0:ffff:912b:37b4


145.43.55.181 0:0:0:0:0:ffff:912b:37b5
145.43.55.182 0:0:0:0:0:ffff:912b:37b6
145.43.55.183 0:0:0:0:0:ffff:912b:37b7
145.43.55.184 0:0:0:0:0:ffff:912b:37b8
145.43.55.185 0:0:0:0:0:ffff:912b:37b9
145.43.55.186 0:0:0:0:0:ffff:912b:37ba
145.43.55.187 0:0:0:0:0:ffff:912b:37bb
145.43.55.188 0:0:0:0:0:ffff:912b:37bc
145.43.55.189 0:0:0:0:0:ffff:912b:37bd
145.43.55.190 0:0:0:0:0:ffff:912b:37be
145.43.55.191 0:0:0:0:0:ffff:912b:37bf
145.43.55.192 0:0:0:0:0:ffff:912b:37c0
145.43.55.193 0:0:0:0:0:ffff:912b:37c1
145.43.55.194 0:0:0:0:0:ffff:912b:37c2
145.43.55.195 0:0:0:0:0:ffff:912b:37c3
145.43.55.196 0:0:0:0:0:ffff:912b:37c4
145.43.55.197 0:0:0:0:0:ffff:912b:37c5
145.43.55.198 0:0:0:0:0:ffff:912b:37c6
145.43.55.199 0:0:0:0:0:ffff:912b:37c7
145.43.55.200 0:0:0:0:0:ffff:912b:37c8
145.43.55.201 0:0:0:0:0:ffff:912b:37c9
145.43.55.202 0:0:0:0:0:ffff:912b:37ca
145.43.55.203 0:0:0:0:0:ffff:912b:37cb
145.43.55.204 0:0:0:0:0:ffff:912b:37cc
145.43.55.205 0:0:0:0:0:ffff:912b:37cd
145.43.55.206 0:0:0:0:0:ffff:912b:37ce
145.43.55.207 0:0:0:0:0:ffff:912b:37cf
145.43.55.208 0:0:0:0:0:ffff:912b:37d0
145.43.55.209 0:0:0:0:0:ffff:912b:37d1
145.43.55.210 0:0:0:0:0:ffff:912b:37d2
145.43.55.211 0:0:0:0:0:ffff:912b:37d3
145.43.55.212 0:0:0:0:0:ffff:912b:37d4
145.43.55.213 0:0:0:0:0:ffff:912b:37d5
145.43.55.214 0:0:0:0:0:ffff:912b:37d6
145.43.55.215 0:0:0:0:0:ffff:912b:37d7
145.43.55.216 0:0:0:0:0:ffff:912b:37d8
145.43.55.217 0:0:0:0:0:ffff:912b:37d9
145.43.55.218 0:0:0:0:0:ffff:912b:37da
145.43.55.219 0:0:0:0:0:ffff:912b:37db
145.43.55.220 0:0:0:0:0:ffff:912b:37dc
145.43.55.221 0:0:0:0:0:ffff:912b:37dd
145.43.55.222 0:0:0:0:0:ffff:912b:37de
145.43.55.223 0:0:0:0:0:ffff:912b:37df
145.43.55.224 0:0:0:0:0:ffff:912b:37e0
145.43.55.225 0:0:0:0:0:ffff:912b:37e1
145.43.55.226 0:0:0:0:0:ffff:912b:37e2
145.43.55.227 0:0:0:0:0:ffff:912b:37e3
145.43.55.228 0:0:0:0:0:ffff:912b:37e4
145.43.55.229 0:0:0:0:0:ffff:912b:37e5
145.43.55.230 0:0:0:0:0:ffff:912b:37e6
145.43.55.231 0:0:0:0:0:ffff:912b:37e7
145.43.55.232 0:0:0:0:0:ffff:912b:37e8
145.43.55.233 0:0:0:0:0:ffff:912b:37e9
145.43.55.234 0:0:0:0:0:ffff:912b:37ea
145.43.55.235 0:0:0:0:0:ffff:912b:37eb
145.43.55.236 0:0:0:0:0:ffff:912b:37ec
145.43.55.237 0:0:0:0:0:ffff:912b:37ed
145.43.55.238 0:0:0:0:0:ffff:912b:37ee
145.43.55.239 0:0:0:0:0:ffff:912b:37ef
145.43.55.240 0:0:0:0:0:ffff:912b:37f0
145.43.55.241 0:0:0:0:0:ffff:912b:37f1
145.43.55.242 0:0:0:0:0:ffff:912b:37f2
145.43.55.243 0:0:0:0:0:ffff:912b:37f3
145.43.55.244 0:0:0:0:0:ffff:912b:37f4
145.43.55.245 0:0:0:0:0:ffff:912b:37f5
145.43.55.246 0:0:0:0:0:ffff:912b:37f6
145.43.55.247 0:0:0:0:0:ffff:912b:37f7
145.43.55.248 0:0:0:0:0:ffff:912b:37f8
145.43.55.249 0:0:0:0:0:ffff:912b:37f9
145.43.55.250 0:0:0:0:0:ffff:912b:37fa
145.43.55.251 0:0:0:0:0:ffff:912b:37fb
145.43.55.252 0:0:0:0:0:ffff:912b:37fc
145.43.55.253 0:0:0:0:0:ffff:912b:37fd
145.43.55.254 0:0:0:0:0:ffff:912b:37fe
145.43.55.255 0:0:0:0:0:ffff:912b: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.