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
100.187.55.1 0:0:0:0:0:ffff:64bb:3701
100.187.55.2 0:0:0:0:0:ffff:64bb:3702
100.187.55.3 0:0:0:0:0:ffff:64bb:3703
100.187.55.4 0:0:0:0:0:ffff:64bb:3704
100.187.55.5 0:0:0:0:0:ffff:64bb:3705
100.187.55.6 0:0:0:0:0:ffff:64bb:3706
100.187.55.7 0:0:0:0:0:ffff:64bb:3707
100.187.55.8 0:0:0:0:0:ffff:64bb:3708
100.187.55.9 0:0:0:0:0:ffff:64bb:3709
100.187.55.10 0:0:0:0:0:ffff:64bb:370a
100.187.55.11 0:0:0:0:0:ffff:64bb:370b
100.187.55.12 0:0:0:0:0:ffff:64bb:370c
100.187.55.13 0:0:0:0:0:ffff:64bb:370d
100.187.55.14 0:0:0:0:0:ffff:64bb:370e
100.187.55.15 0:0:0:0:0:ffff:64bb:370f
100.187.55.16 0:0:0:0:0:ffff:64bb:3710
100.187.55.17 0:0:0:0:0:ffff:64bb:3711
100.187.55.18 0:0:0:0:0:ffff:64bb:3712
100.187.55.19 0:0:0:0:0:ffff:64bb:3713
100.187.55.20 0:0:0:0:0:ffff:64bb:3714
100.187.55.21 0:0:0:0:0:ffff:64bb:3715
100.187.55.22 0:0:0:0:0:ffff:64bb:3716
100.187.55.23 0:0:0:0:0:ffff:64bb:3717
100.187.55.24 0:0:0:0:0:ffff:64bb:3718
100.187.55.25 0:0:0:0:0:ffff:64bb:3719
100.187.55.26 0:0:0:0:0:ffff:64bb:371a
100.187.55.27 0:0:0:0:0:ffff:64bb:371b
100.187.55.28 0:0:0:0:0:ffff:64bb:371c
100.187.55.29 0:0:0:0:0:ffff:64bb:371d
100.187.55.30 0:0:0:0:0:ffff:64bb:371e
100.187.55.31 0:0:0:0:0:ffff:64bb:371f
100.187.55.32 0:0:0:0:0:ffff:64bb:3720
100.187.55.33 0:0:0:0:0:ffff:64bb:3721
100.187.55.34 0:0:0:0:0:ffff:64bb:3722
100.187.55.35 0:0:0:0:0:ffff:64bb:3723
100.187.55.36 0:0:0:0:0:ffff:64bb:3724
100.187.55.37 0:0:0:0:0:ffff:64bb:3725
100.187.55.38 0:0:0:0:0:ffff:64bb:3726
100.187.55.39 0:0:0:0:0:ffff:64bb:3727
100.187.55.40 0:0:0:0:0:ffff:64bb:3728
100.187.55.41 0:0:0:0:0:ffff:64bb:3729
100.187.55.42 0:0:0:0:0:ffff:64bb:372a
100.187.55.43 0:0:0:0:0:ffff:64bb:372b
100.187.55.44 0:0:0:0:0:ffff:64bb:372c
100.187.55.45 0:0:0:0:0:ffff:64bb:372d
100.187.55.46 0:0:0:0:0:ffff:64bb:372e
100.187.55.47 0:0:0:0:0:ffff:64bb:372f
100.187.55.48 0:0:0:0:0:ffff:64bb:3730
100.187.55.49 0:0:0:0:0:ffff:64bb:3731
100.187.55.50 0:0:0:0:0:ffff:64bb:3732
100.187.55.51 0:0:0:0:0:ffff:64bb:3733
100.187.55.52 0:0:0:0:0:ffff:64bb:3734
100.187.55.53 0:0:0:0:0:ffff:64bb:3735
100.187.55.54 0:0:0:0:0:ffff:64bb:3736
100.187.55.55 0:0:0:0:0:ffff:64bb:3737
100.187.55.56 0:0:0:0:0:ffff:64bb:3738
100.187.55.57 0:0:0:0:0:ffff:64bb:3739
100.187.55.58 0:0:0:0:0:ffff:64bb:373a
100.187.55.59 0:0:0:0:0:ffff:64bb:373b
100.187.55.60 0:0:0:0:0:ffff:64bb:373c


100.187.55.61 0:0:0:0:0:ffff:64bb:373d
100.187.55.62 0:0:0:0:0:ffff:64bb:373e
100.187.55.63 0:0:0:0:0:ffff:64bb:373f
100.187.55.64 0:0:0:0:0:ffff:64bb:3740
100.187.55.65 0:0:0:0:0:ffff:64bb:3741
100.187.55.66 0:0:0:0:0:ffff:64bb:3742
100.187.55.67 0:0:0:0:0:ffff:64bb:3743
100.187.55.68 0:0:0:0:0:ffff:64bb:3744
100.187.55.69 0:0:0:0:0:ffff:64bb:3745
100.187.55.70 0:0:0:0:0:ffff:64bb:3746
100.187.55.71 0:0:0:0:0:ffff:64bb:3747
100.187.55.72 0:0:0:0:0:ffff:64bb:3748
100.187.55.73 0:0:0:0:0:ffff:64bb:3749
100.187.55.74 0:0:0:0:0:ffff:64bb:374a
100.187.55.75 0:0:0:0:0:ffff:64bb:374b
100.187.55.76 0:0:0:0:0:ffff:64bb:374c
100.187.55.77 0:0:0:0:0:ffff:64bb:374d
100.187.55.78 0:0:0:0:0:ffff:64bb:374e
100.187.55.79 0:0:0:0:0:ffff:64bb:374f
100.187.55.80 0:0:0:0:0:ffff:64bb:3750
100.187.55.81 0:0:0:0:0:ffff:64bb:3751
100.187.55.82 0:0:0:0:0:ffff:64bb:3752
100.187.55.83 0:0:0:0:0:ffff:64bb:3753
100.187.55.84 0:0:0:0:0:ffff:64bb:3754
100.187.55.85 0:0:0:0:0:ffff:64bb:3755
100.187.55.86 0:0:0:0:0:ffff:64bb:3756
100.187.55.87 0:0:0:0:0:ffff:64bb:3757
100.187.55.88 0:0:0:0:0:ffff:64bb:3758
100.187.55.89 0:0:0:0:0:ffff:64bb:3759
100.187.55.90 0:0:0:0:0:ffff:64bb:375a
100.187.55.91 0:0:0:0:0:ffff:64bb:375b
100.187.55.92 0:0:0:0:0:ffff:64bb:375c
100.187.55.93 0:0:0:0:0:ffff:64bb:375d
100.187.55.94 0:0:0:0:0:ffff:64bb:375e
100.187.55.95 0:0:0:0:0:ffff:64bb:375f
100.187.55.96 0:0:0:0:0:ffff:64bb:3760
100.187.55.97 0:0:0:0:0:ffff:64bb:3761
100.187.55.98 0:0:0:0:0:ffff:64bb:3762
100.187.55.99 0:0:0:0:0:ffff:64bb:3763
100.187.55.100 0:0:0:0:0:ffff:64bb:3764
100.187.55.101 0:0:0:0:0:ffff:64bb:3765
100.187.55.102 0:0:0:0:0:ffff:64bb:3766
100.187.55.103 0:0:0:0:0:ffff:64bb:3767
100.187.55.104 0:0:0:0:0:ffff:64bb:3768
100.187.55.105 0:0:0:0:0:ffff:64bb:3769
100.187.55.106 0:0:0:0:0:ffff:64bb:376a
100.187.55.107 0:0:0:0:0:ffff:64bb:376b
100.187.55.108 0:0:0:0:0:ffff:64bb:376c
100.187.55.109 0:0:0:0:0:ffff:64bb:376d
100.187.55.110 0:0:0:0:0:ffff:64bb:376e
100.187.55.111 0:0:0:0:0:ffff:64bb:376f
100.187.55.112 0:0:0:0:0:ffff:64bb:3770
100.187.55.113 0:0:0:0:0:ffff:64bb:3771
100.187.55.114 0:0:0:0:0:ffff:64bb:3772
100.187.55.115 0:0:0:0:0:ffff:64bb:3773
100.187.55.116 0:0:0:0:0:ffff:64bb:3774
100.187.55.117 0:0:0:0:0:ffff:64bb:3775
100.187.55.118 0:0:0:0:0:ffff:64bb:3776
100.187.55.119 0:0:0:0:0:ffff:64bb:3777
100.187.55.120 0:0:0:0:0:ffff:64bb:3778


100.187.55.121 0:0:0:0:0:ffff:64bb:3779
100.187.55.122 0:0:0:0:0:ffff:64bb:377a
100.187.55.123 0:0:0:0:0:ffff:64bb:377b
100.187.55.124 0:0:0:0:0:ffff:64bb:377c
100.187.55.125 0:0:0:0:0:ffff:64bb:377d
100.187.55.126 0:0:0:0:0:ffff:64bb:377e
100.187.55.127 0:0:0:0:0:ffff:64bb:377f
100.187.55.128 0:0:0:0:0:ffff:64bb:3780
100.187.55.129 0:0:0:0:0:ffff:64bb:3781
100.187.55.130 0:0:0:0:0:ffff:64bb:3782
100.187.55.131 0:0:0:0:0:ffff:64bb:3783
100.187.55.132 0:0:0:0:0:ffff:64bb:3784
100.187.55.133 0:0:0:0:0:ffff:64bb:3785
100.187.55.134 0:0:0:0:0:ffff:64bb:3786
100.187.55.135 0:0:0:0:0:ffff:64bb:3787
100.187.55.136 0:0:0:0:0:ffff:64bb:3788
100.187.55.137 0:0:0:0:0:ffff:64bb:3789
100.187.55.138 0:0:0:0:0:ffff:64bb:378a
100.187.55.139 0:0:0:0:0:ffff:64bb:378b
100.187.55.140 0:0:0:0:0:ffff:64bb:378c
100.187.55.141 0:0:0:0:0:ffff:64bb:378d
100.187.55.142 0:0:0:0:0:ffff:64bb:378e
100.187.55.143 0:0:0:0:0:ffff:64bb:378f
100.187.55.144 0:0:0:0:0:ffff:64bb:3790
100.187.55.145 0:0:0:0:0:ffff:64bb:3791
100.187.55.146 0:0:0:0:0:ffff:64bb:3792
100.187.55.147 0:0:0:0:0:ffff:64bb:3793
100.187.55.148 0:0:0:0:0:ffff:64bb:3794
100.187.55.149 0:0:0:0:0:ffff:64bb:3795
100.187.55.150 0:0:0:0:0:ffff:64bb:3796
100.187.55.151 0:0:0:0:0:ffff:64bb:3797
100.187.55.152 0:0:0:0:0:ffff:64bb:3798
100.187.55.153 0:0:0:0:0:ffff:64bb:3799
100.187.55.154 0:0:0:0:0:ffff:64bb:379a
100.187.55.155 0:0:0:0:0:ffff:64bb:379b
100.187.55.156 0:0:0:0:0:ffff:64bb:379c
100.187.55.157 0:0:0:0:0:ffff:64bb:379d
100.187.55.158 0:0:0:0:0:ffff:64bb:379e
100.187.55.159 0:0:0:0:0:ffff:64bb:379f
100.187.55.160 0:0:0:0:0:ffff:64bb:37a0
100.187.55.161 0:0:0:0:0:ffff:64bb:37a1
100.187.55.162 0:0:0:0:0:ffff:64bb:37a2
100.187.55.163 0:0:0:0:0:ffff:64bb:37a3
100.187.55.164 0:0:0:0:0:ffff:64bb:37a4
100.187.55.165 0:0:0:0:0:ffff:64bb:37a5
100.187.55.166 0:0:0:0:0:ffff:64bb:37a6
100.187.55.167 0:0:0:0:0:ffff:64bb:37a7
100.187.55.168 0:0:0:0:0:ffff:64bb:37a8
100.187.55.169 0:0:0:0:0:ffff:64bb:37a9
100.187.55.170 0:0:0:0:0:ffff:64bb:37aa
100.187.55.171 0:0:0:0:0:ffff:64bb:37ab
100.187.55.172 0:0:0:0:0:ffff:64bb:37ac
100.187.55.173 0:0:0:0:0:ffff:64bb:37ad
100.187.55.174 0:0:0:0:0:ffff:64bb:37ae
100.187.55.175 0:0:0:0:0:ffff:64bb:37af
100.187.55.176 0:0:0:0:0:ffff:64bb:37b0
100.187.55.177 0:0:0:0:0:ffff:64bb:37b1
100.187.55.178 0:0:0:0:0:ffff:64bb:37b2
100.187.55.179 0:0:0:0:0:ffff:64bb:37b3
100.187.55.180 0:0:0:0:0:ffff:64bb:37b4


100.187.55.181 0:0:0:0:0:ffff:64bb:37b5
100.187.55.182 0:0:0:0:0:ffff:64bb:37b6
100.187.55.183 0:0:0:0:0:ffff:64bb:37b7
100.187.55.184 0:0:0:0:0:ffff:64bb:37b8
100.187.55.185 0:0:0:0:0:ffff:64bb:37b9
100.187.55.186 0:0:0:0:0:ffff:64bb:37ba
100.187.55.187 0:0:0:0:0:ffff:64bb:37bb
100.187.55.188 0:0:0:0:0:ffff:64bb:37bc
100.187.55.189 0:0:0:0:0:ffff:64bb:37bd
100.187.55.190 0:0:0:0:0:ffff:64bb:37be
100.187.55.191 0:0:0:0:0:ffff:64bb:37bf
100.187.55.192 0:0:0:0:0:ffff:64bb:37c0
100.187.55.193 0:0:0:0:0:ffff:64bb:37c1
100.187.55.194 0:0:0:0:0:ffff:64bb:37c2
100.187.55.195 0:0:0:0:0:ffff:64bb:37c3
100.187.55.196 0:0:0:0:0:ffff:64bb:37c4
100.187.55.197 0:0:0:0:0:ffff:64bb:37c5
100.187.55.198 0:0:0:0:0:ffff:64bb:37c6
100.187.55.199 0:0:0:0:0:ffff:64bb:37c7
100.187.55.200 0:0:0:0:0:ffff:64bb:37c8
100.187.55.201 0:0:0:0:0:ffff:64bb:37c9
100.187.55.202 0:0:0:0:0:ffff:64bb:37ca
100.187.55.203 0:0:0:0:0:ffff:64bb:37cb
100.187.55.204 0:0:0:0:0:ffff:64bb:37cc
100.187.55.205 0:0:0:0:0:ffff:64bb:37cd
100.187.55.206 0:0:0:0:0:ffff:64bb:37ce
100.187.55.207 0:0:0:0:0:ffff:64bb:37cf
100.187.55.208 0:0:0:0:0:ffff:64bb:37d0
100.187.55.209 0:0:0:0:0:ffff:64bb:37d1
100.187.55.210 0:0:0:0:0:ffff:64bb:37d2
100.187.55.211 0:0:0:0:0:ffff:64bb:37d3
100.187.55.212 0:0:0:0:0:ffff:64bb:37d4
100.187.55.213 0:0:0:0:0:ffff:64bb:37d5
100.187.55.214 0:0:0:0:0:ffff:64bb:37d6
100.187.55.215 0:0:0:0:0:ffff:64bb:37d7
100.187.55.216 0:0:0:0:0:ffff:64bb:37d8
100.187.55.217 0:0:0:0:0:ffff:64bb:37d9
100.187.55.218 0:0:0:0:0:ffff:64bb:37da
100.187.55.219 0:0:0:0:0:ffff:64bb:37db
100.187.55.220 0:0:0:0:0:ffff:64bb:37dc
100.187.55.221 0:0:0:0:0:ffff:64bb:37dd
100.187.55.222 0:0:0:0:0:ffff:64bb:37de
100.187.55.223 0:0:0:0:0:ffff:64bb:37df
100.187.55.224 0:0:0:0:0:ffff:64bb:37e0
100.187.55.225 0:0:0:0:0:ffff:64bb:37e1
100.187.55.226 0:0:0:0:0:ffff:64bb:37e2
100.187.55.227 0:0:0:0:0:ffff:64bb:37e3
100.187.55.228 0:0:0:0:0:ffff:64bb:37e4
100.187.55.229 0:0:0:0:0:ffff:64bb:37e5
100.187.55.230 0:0:0:0:0:ffff:64bb:37e6
100.187.55.231 0:0:0:0:0:ffff:64bb:37e7
100.187.55.232 0:0:0:0:0:ffff:64bb:37e8
100.187.55.233 0:0:0:0:0:ffff:64bb:37e9
100.187.55.234 0:0:0:0:0:ffff:64bb:37ea
100.187.55.235 0:0:0:0:0:ffff:64bb:37eb
100.187.55.236 0:0:0:0:0:ffff:64bb:37ec
100.187.55.237 0:0:0:0:0:ffff:64bb:37ed
100.187.55.238 0:0:0:0:0:ffff:64bb:37ee
100.187.55.239 0:0:0:0:0:ffff:64bb:37ef
100.187.55.240 0:0:0:0:0:ffff:64bb:37f0
100.187.55.241 0:0:0:0:0:ffff:64bb:37f1
100.187.55.242 0:0:0:0:0:ffff:64bb:37f2
100.187.55.243 0:0:0:0:0:ffff:64bb:37f3
100.187.55.244 0:0:0:0:0:ffff:64bb:37f4
100.187.55.245 0:0:0:0:0:ffff:64bb:37f5
100.187.55.246 0:0:0:0:0:ffff:64bb:37f6
100.187.55.247 0:0:0:0:0:ffff:64bb:37f7
100.187.55.248 0:0:0:0:0:ffff:64bb:37f8
100.187.55.249 0:0:0:0:0:ffff:64bb:37f9
100.187.55.250 0:0:0:0:0:ffff:64bb:37fa
100.187.55.251 0:0:0:0:0:ffff:64bb:37fb
100.187.55.252 0:0:0:0:0:ffff:64bb:37fc
100.187.55.253 0:0:0:0:0:ffff:64bb:37fd
100.187.55.254 0:0:0:0:0:ffff:64bb:37fe
100.187.55.255 0:0:0:0:0:ffff:64bb: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.