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
199.145.55.1 0:0:0:0:0:ffff:c791:3701
199.145.55.2 0:0:0:0:0:ffff:c791:3702
199.145.55.3 0:0:0:0:0:ffff:c791:3703
199.145.55.4 0:0:0:0:0:ffff:c791:3704
199.145.55.5 0:0:0:0:0:ffff:c791:3705
199.145.55.6 0:0:0:0:0:ffff:c791:3706
199.145.55.7 0:0:0:0:0:ffff:c791:3707
199.145.55.8 0:0:0:0:0:ffff:c791:3708
199.145.55.9 0:0:0:0:0:ffff:c791:3709
199.145.55.10 0:0:0:0:0:ffff:c791:370a
199.145.55.11 0:0:0:0:0:ffff:c791:370b
199.145.55.12 0:0:0:0:0:ffff:c791:370c
199.145.55.13 0:0:0:0:0:ffff:c791:370d
199.145.55.14 0:0:0:0:0:ffff:c791:370e
199.145.55.15 0:0:0:0:0:ffff:c791:370f
199.145.55.16 0:0:0:0:0:ffff:c791:3710
199.145.55.17 0:0:0:0:0:ffff:c791:3711
199.145.55.18 0:0:0:0:0:ffff:c791:3712
199.145.55.19 0:0:0:0:0:ffff:c791:3713
199.145.55.20 0:0:0:0:0:ffff:c791:3714
199.145.55.21 0:0:0:0:0:ffff:c791:3715
199.145.55.22 0:0:0:0:0:ffff:c791:3716
199.145.55.23 0:0:0:0:0:ffff:c791:3717
199.145.55.24 0:0:0:0:0:ffff:c791:3718
199.145.55.25 0:0:0:0:0:ffff:c791:3719
199.145.55.26 0:0:0:0:0:ffff:c791:371a
199.145.55.27 0:0:0:0:0:ffff:c791:371b
199.145.55.28 0:0:0:0:0:ffff:c791:371c
199.145.55.29 0:0:0:0:0:ffff:c791:371d
199.145.55.30 0:0:0:0:0:ffff:c791:371e
199.145.55.31 0:0:0:0:0:ffff:c791:371f
199.145.55.32 0:0:0:0:0:ffff:c791:3720
199.145.55.33 0:0:0:0:0:ffff:c791:3721
199.145.55.34 0:0:0:0:0:ffff:c791:3722
199.145.55.35 0:0:0:0:0:ffff:c791:3723
199.145.55.36 0:0:0:0:0:ffff:c791:3724
199.145.55.37 0:0:0:0:0:ffff:c791:3725
199.145.55.38 0:0:0:0:0:ffff:c791:3726
199.145.55.39 0:0:0:0:0:ffff:c791:3727
199.145.55.40 0:0:0:0:0:ffff:c791:3728
199.145.55.41 0:0:0:0:0:ffff:c791:3729
199.145.55.42 0:0:0:0:0:ffff:c791:372a
199.145.55.43 0:0:0:0:0:ffff:c791:372b
199.145.55.44 0:0:0:0:0:ffff:c791:372c
199.145.55.45 0:0:0:0:0:ffff:c791:372d
199.145.55.46 0:0:0:0:0:ffff:c791:372e
199.145.55.47 0:0:0:0:0:ffff:c791:372f
199.145.55.48 0:0:0:0:0:ffff:c791:3730
199.145.55.49 0:0:0:0:0:ffff:c791:3731
199.145.55.50 0:0:0:0:0:ffff:c791:3732
199.145.55.51 0:0:0:0:0:ffff:c791:3733
199.145.55.52 0:0:0:0:0:ffff:c791:3734
199.145.55.53 0:0:0:0:0:ffff:c791:3735
199.145.55.54 0:0:0:0:0:ffff:c791:3736
199.145.55.55 0:0:0:0:0:ffff:c791:3737
199.145.55.56 0:0:0:0:0:ffff:c791:3738
199.145.55.57 0:0:0:0:0:ffff:c791:3739
199.145.55.58 0:0:0:0:0:ffff:c791:373a
199.145.55.59 0:0:0:0:0:ffff:c791:373b
199.145.55.60 0:0:0:0:0:ffff:c791:373c


199.145.55.61 0:0:0:0:0:ffff:c791:373d
199.145.55.62 0:0:0:0:0:ffff:c791:373e
199.145.55.63 0:0:0:0:0:ffff:c791:373f
199.145.55.64 0:0:0:0:0:ffff:c791:3740
199.145.55.65 0:0:0:0:0:ffff:c791:3741
199.145.55.66 0:0:0:0:0:ffff:c791:3742
199.145.55.67 0:0:0:0:0:ffff:c791:3743
199.145.55.68 0:0:0:0:0:ffff:c791:3744
199.145.55.69 0:0:0:0:0:ffff:c791:3745
199.145.55.70 0:0:0:0:0:ffff:c791:3746
199.145.55.71 0:0:0:0:0:ffff:c791:3747
199.145.55.72 0:0:0:0:0:ffff:c791:3748
199.145.55.73 0:0:0:0:0:ffff:c791:3749
199.145.55.74 0:0:0:0:0:ffff:c791:374a
199.145.55.75 0:0:0:0:0:ffff:c791:374b
199.145.55.76 0:0:0:0:0:ffff:c791:374c
199.145.55.77 0:0:0:0:0:ffff:c791:374d
199.145.55.78 0:0:0:0:0:ffff:c791:374e
199.145.55.79 0:0:0:0:0:ffff:c791:374f
199.145.55.80 0:0:0:0:0:ffff:c791:3750
199.145.55.81 0:0:0:0:0:ffff:c791:3751
199.145.55.82 0:0:0:0:0:ffff:c791:3752
199.145.55.83 0:0:0:0:0:ffff:c791:3753
199.145.55.84 0:0:0:0:0:ffff:c791:3754
199.145.55.85 0:0:0:0:0:ffff:c791:3755
199.145.55.86 0:0:0:0:0:ffff:c791:3756
199.145.55.87 0:0:0:0:0:ffff:c791:3757
199.145.55.88 0:0:0:0:0:ffff:c791:3758
199.145.55.89 0:0:0:0:0:ffff:c791:3759
199.145.55.90 0:0:0:0:0:ffff:c791:375a
199.145.55.91 0:0:0:0:0:ffff:c791:375b
199.145.55.92 0:0:0:0:0:ffff:c791:375c
199.145.55.93 0:0:0:0:0:ffff:c791:375d
199.145.55.94 0:0:0:0:0:ffff:c791:375e
199.145.55.95 0:0:0:0:0:ffff:c791:375f
199.145.55.96 0:0:0:0:0:ffff:c791:3760
199.145.55.97 0:0:0:0:0:ffff:c791:3761
199.145.55.98 0:0:0:0:0:ffff:c791:3762
199.145.55.99 0:0:0:0:0:ffff:c791:3763
199.145.55.100 0:0:0:0:0:ffff:c791:3764
199.145.55.101 0:0:0:0:0:ffff:c791:3765
199.145.55.102 0:0:0:0:0:ffff:c791:3766
199.145.55.103 0:0:0:0:0:ffff:c791:3767
199.145.55.104 0:0:0:0:0:ffff:c791:3768
199.145.55.105 0:0:0:0:0:ffff:c791:3769
199.145.55.106 0:0:0:0:0:ffff:c791:376a
199.145.55.107 0:0:0:0:0:ffff:c791:376b
199.145.55.108 0:0:0:0:0:ffff:c791:376c
199.145.55.109 0:0:0:0:0:ffff:c791:376d
199.145.55.110 0:0:0:0:0:ffff:c791:376e
199.145.55.111 0:0:0:0:0:ffff:c791:376f
199.145.55.112 0:0:0:0:0:ffff:c791:3770
199.145.55.113 0:0:0:0:0:ffff:c791:3771
199.145.55.114 0:0:0:0:0:ffff:c791:3772
199.145.55.115 0:0:0:0:0:ffff:c791:3773
199.145.55.116 0:0:0:0:0:ffff:c791:3774
199.145.55.117 0:0:0:0:0:ffff:c791:3775
199.145.55.118 0:0:0:0:0:ffff:c791:3776
199.145.55.119 0:0:0:0:0:ffff:c791:3777
199.145.55.120 0:0:0:0:0:ffff:c791:3778


199.145.55.121 0:0:0:0:0:ffff:c791:3779
199.145.55.122 0:0:0:0:0:ffff:c791:377a
199.145.55.123 0:0:0:0:0:ffff:c791:377b
199.145.55.124 0:0:0:0:0:ffff:c791:377c
199.145.55.125 0:0:0:0:0:ffff:c791:377d
199.145.55.126 0:0:0:0:0:ffff:c791:377e
199.145.55.127 0:0:0:0:0:ffff:c791:377f
199.145.55.128 0:0:0:0:0:ffff:c791:3780
199.145.55.129 0:0:0:0:0:ffff:c791:3781
199.145.55.130 0:0:0:0:0:ffff:c791:3782
199.145.55.131 0:0:0:0:0:ffff:c791:3783
199.145.55.132 0:0:0:0:0:ffff:c791:3784
199.145.55.133 0:0:0:0:0:ffff:c791:3785
199.145.55.134 0:0:0:0:0:ffff:c791:3786
199.145.55.135 0:0:0:0:0:ffff:c791:3787
199.145.55.136 0:0:0:0:0:ffff:c791:3788
199.145.55.137 0:0:0:0:0:ffff:c791:3789
199.145.55.138 0:0:0:0:0:ffff:c791:378a
199.145.55.139 0:0:0:0:0:ffff:c791:378b
199.145.55.140 0:0:0:0:0:ffff:c791:378c
199.145.55.141 0:0:0:0:0:ffff:c791:378d
199.145.55.142 0:0:0:0:0:ffff:c791:378e
199.145.55.143 0:0:0:0:0:ffff:c791:378f
199.145.55.144 0:0:0:0:0:ffff:c791:3790
199.145.55.145 0:0:0:0:0:ffff:c791:3791
199.145.55.146 0:0:0:0:0:ffff:c791:3792
199.145.55.147 0:0:0:0:0:ffff:c791:3793
199.145.55.148 0:0:0:0:0:ffff:c791:3794
199.145.55.149 0:0:0:0:0:ffff:c791:3795
199.145.55.150 0:0:0:0:0:ffff:c791:3796
199.145.55.151 0:0:0:0:0:ffff:c791:3797
199.145.55.152 0:0:0:0:0:ffff:c791:3798
199.145.55.153 0:0:0:0:0:ffff:c791:3799
199.145.55.154 0:0:0:0:0:ffff:c791:379a
199.145.55.155 0:0:0:0:0:ffff:c791:379b
199.145.55.156 0:0:0:0:0:ffff:c791:379c
199.145.55.157 0:0:0:0:0:ffff:c791:379d
199.145.55.158 0:0:0:0:0:ffff:c791:379e
199.145.55.159 0:0:0:0:0:ffff:c791:379f
199.145.55.160 0:0:0:0:0:ffff:c791:37a0
199.145.55.161 0:0:0:0:0:ffff:c791:37a1
199.145.55.162 0:0:0:0:0:ffff:c791:37a2
199.145.55.163 0:0:0:0:0:ffff:c791:37a3
199.145.55.164 0:0:0:0:0:ffff:c791:37a4
199.145.55.165 0:0:0:0:0:ffff:c791:37a5
199.145.55.166 0:0:0:0:0:ffff:c791:37a6
199.145.55.167 0:0:0:0:0:ffff:c791:37a7
199.145.55.168 0:0:0:0:0:ffff:c791:37a8
199.145.55.169 0:0:0:0:0:ffff:c791:37a9
199.145.55.170 0:0:0:0:0:ffff:c791:37aa
199.145.55.171 0:0:0:0:0:ffff:c791:37ab
199.145.55.172 0:0:0:0:0:ffff:c791:37ac
199.145.55.173 0:0:0:0:0:ffff:c791:37ad
199.145.55.174 0:0:0:0:0:ffff:c791:37ae
199.145.55.175 0:0:0:0:0:ffff:c791:37af
199.145.55.176 0:0:0:0:0:ffff:c791:37b0
199.145.55.177 0:0:0:0:0:ffff:c791:37b1
199.145.55.178 0:0:0:0:0:ffff:c791:37b2
199.145.55.179 0:0:0:0:0:ffff:c791:37b3
199.145.55.180 0:0:0:0:0:ffff:c791:37b4


199.145.55.181 0:0:0:0:0:ffff:c791:37b5
199.145.55.182 0:0:0:0:0:ffff:c791:37b6
199.145.55.183 0:0:0:0:0:ffff:c791:37b7
199.145.55.184 0:0:0:0:0:ffff:c791:37b8
199.145.55.185 0:0:0:0:0:ffff:c791:37b9
199.145.55.186 0:0:0:0:0:ffff:c791:37ba
199.145.55.187 0:0:0:0:0:ffff:c791:37bb
199.145.55.188 0:0:0:0:0:ffff:c791:37bc
199.145.55.189 0:0:0:0:0:ffff:c791:37bd
199.145.55.190 0:0:0:0:0:ffff:c791:37be
199.145.55.191 0:0:0:0:0:ffff:c791:37bf
199.145.55.192 0:0:0:0:0:ffff:c791:37c0
199.145.55.193 0:0:0:0:0:ffff:c791:37c1
199.145.55.194 0:0:0:0:0:ffff:c791:37c2
199.145.55.195 0:0:0:0:0:ffff:c791:37c3
199.145.55.196 0:0:0:0:0:ffff:c791:37c4
199.145.55.197 0:0:0:0:0:ffff:c791:37c5
199.145.55.198 0:0:0:0:0:ffff:c791:37c6
199.145.55.199 0:0:0:0:0:ffff:c791:37c7
199.145.55.200 0:0:0:0:0:ffff:c791:37c8
199.145.55.201 0:0:0:0:0:ffff:c791:37c9
199.145.55.202 0:0:0:0:0:ffff:c791:37ca
199.145.55.203 0:0:0:0:0:ffff:c791:37cb
199.145.55.204 0:0:0:0:0:ffff:c791:37cc
199.145.55.205 0:0:0:0:0:ffff:c791:37cd
199.145.55.206 0:0:0:0:0:ffff:c791:37ce
199.145.55.207 0:0:0:0:0:ffff:c791:37cf
199.145.55.208 0:0:0:0:0:ffff:c791:37d0
199.145.55.209 0:0:0:0:0:ffff:c791:37d1
199.145.55.210 0:0:0:0:0:ffff:c791:37d2
199.145.55.211 0:0:0:0:0:ffff:c791:37d3
199.145.55.212 0:0:0:0:0:ffff:c791:37d4
199.145.55.213 0:0:0:0:0:ffff:c791:37d5
199.145.55.214 0:0:0:0:0:ffff:c791:37d6
199.145.55.215 0:0:0:0:0:ffff:c791:37d7
199.145.55.216 0:0:0:0:0:ffff:c791:37d8
199.145.55.217 0:0:0:0:0:ffff:c791:37d9
199.145.55.218 0:0:0:0:0:ffff:c791:37da
199.145.55.219 0:0:0:0:0:ffff:c791:37db
199.145.55.220 0:0:0:0:0:ffff:c791:37dc
199.145.55.221 0:0:0:0:0:ffff:c791:37dd
199.145.55.222 0:0:0:0:0:ffff:c791:37de
199.145.55.223 0:0:0:0:0:ffff:c791:37df
199.145.55.224 0:0:0:0:0:ffff:c791:37e0
199.145.55.225 0:0:0:0:0:ffff:c791:37e1
199.145.55.226 0:0:0:0:0:ffff:c791:37e2
199.145.55.227 0:0:0:0:0:ffff:c791:37e3
199.145.55.228 0:0:0:0:0:ffff:c791:37e4
199.145.55.229 0:0:0:0:0:ffff:c791:37e5
199.145.55.230 0:0:0:0:0:ffff:c791:37e6
199.145.55.231 0:0:0:0:0:ffff:c791:37e7
199.145.55.232 0:0:0:0:0:ffff:c791:37e8
199.145.55.233 0:0:0:0:0:ffff:c791:37e9
199.145.55.234 0:0:0:0:0:ffff:c791:37ea
199.145.55.235 0:0:0:0:0:ffff:c791:37eb
199.145.55.236 0:0:0:0:0:ffff:c791:37ec
199.145.55.237 0:0:0:0:0:ffff:c791:37ed
199.145.55.238 0:0:0:0:0:ffff:c791:37ee
199.145.55.239 0:0:0:0:0:ffff:c791:37ef
199.145.55.240 0:0:0:0:0:ffff:c791:37f0
199.145.55.241 0:0:0:0:0:ffff:c791:37f1
199.145.55.242 0:0:0:0:0:ffff:c791:37f2
199.145.55.243 0:0:0:0:0:ffff:c791:37f3
199.145.55.244 0:0:0:0:0:ffff:c791:37f4
199.145.55.245 0:0:0:0:0:ffff:c791:37f5
199.145.55.246 0:0:0:0:0:ffff:c791:37f6
199.145.55.247 0:0:0:0:0:ffff:c791:37f7
199.145.55.248 0:0:0:0:0:ffff:c791:37f8
199.145.55.249 0:0:0:0:0:ffff:c791:37f9
199.145.55.250 0:0:0:0:0:ffff:c791:37fa
199.145.55.251 0:0:0:0:0:ffff:c791:37fb
199.145.55.252 0:0:0:0:0:ffff:c791:37fc
199.145.55.253 0:0:0:0:0:ffff:c791:37fd
199.145.55.254 0:0:0:0:0:ffff:c791:37fe
199.145.55.255 0:0:0:0:0:ffff:c791:37ff


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.