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
250.139.55.1 0:0:0:0:0:ffff:fa8b:3701
250.139.55.2 0:0:0:0:0:ffff:fa8b:3702
250.139.55.3 0:0:0:0:0:ffff:fa8b:3703
250.139.55.4 0:0:0:0:0:ffff:fa8b:3704
250.139.55.5 0:0:0:0:0:ffff:fa8b:3705
250.139.55.6 0:0:0:0:0:ffff:fa8b:3706
250.139.55.7 0:0:0:0:0:ffff:fa8b:3707
250.139.55.8 0:0:0:0:0:ffff:fa8b:3708
250.139.55.9 0:0:0:0:0:ffff:fa8b:3709
250.139.55.10 0:0:0:0:0:ffff:fa8b:370a
250.139.55.11 0:0:0:0:0:ffff:fa8b:370b
250.139.55.12 0:0:0:0:0:ffff:fa8b:370c
250.139.55.13 0:0:0:0:0:ffff:fa8b:370d
250.139.55.14 0:0:0:0:0:ffff:fa8b:370e
250.139.55.15 0:0:0:0:0:ffff:fa8b:370f
250.139.55.16 0:0:0:0:0:ffff:fa8b:3710
250.139.55.17 0:0:0:0:0:ffff:fa8b:3711
250.139.55.18 0:0:0:0:0:ffff:fa8b:3712
250.139.55.19 0:0:0:0:0:ffff:fa8b:3713
250.139.55.20 0:0:0:0:0:ffff:fa8b:3714
250.139.55.21 0:0:0:0:0:ffff:fa8b:3715
250.139.55.22 0:0:0:0:0:ffff:fa8b:3716
250.139.55.23 0:0:0:0:0:ffff:fa8b:3717
250.139.55.24 0:0:0:0:0:ffff:fa8b:3718
250.139.55.25 0:0:0:0:0:ffff:fa8b:3719
250.139.55.26 0:0:0:0:0:ffff:fa8b:371a
250.139.55.27 0:0:0:0:0:ffff:fa8b:371b
250.139.55.28 0:0:0:0:0:ffff:fa8b:371c
250.139.55.29 0:0:0:0:0:ffff:fa8b:371d
250.139.55.30 0:0:0:0:0:ffff:fa8b:371e
250.139.55.31 0:0:0:0:0:ffff:fa8b:371f
250.139.55.32 0:0:0:0:0:ffff:fa8b:3720
250.139.55.33 0:0:0:0:0:ffff:fa8b:3721
250.139.55.34 0:0:0:0:0:ffff:fa8b:3722
250.139.55.35 0:0:0:0:0:ffff:fa8b:3723
250.139.55.36 0:0:0:0:0:ffff:fa8b:3724
250.139.55.37 0:0:0:0:0:ffff:fa8b:3725
250.139.55.38 0:0:0:0:0:ffff:fa8b:3726
250.139.55.39 0:0:0:0:0:ffff:fa8b:3727
250.139.55.40 0:0:0:0:0:ffff:fa8b:3728
250.139.55.41 0:0:0:0:0:ffff:fa8b:3729
250.139.55.42 0:0:0:0:0:ffff:fa8b:372a
250.139.55.43 0:0:0:0:0:ffff:fa8b:372b
250.139.55.44 0:0:0:0:0:ffff:fa8b:372c
250.139.55.45 0:0:0:0:0:ffff:fa8b:372d
250.139.55.46 0:0:0:0:0:ffff:fa8b:372e
250.139.55.47 0:0:0:0:0:ffff:fa8b:372f
250.139.55.48 0:0:0:0:0:ffff:fa8b:3730
250.139.55.49 0:0:0:0:0:ffff:fa8b:3731
250.139.55.50 0:0:0:0:0:ffff:fa8b:3732
250.139.55.51 0:0:0:0:0:ffff:fa8b:3733
250.139.55.52 0:0:0:0:0:ffff:fa8b:3734
250.139.55.53 0:0:0:0:0:ffff:fa8b:3735
250.139.55.54 0:0:0:0:0:ffff:fa8b:3736
250.139.55.55 0:0:0:0:0:ffff:fa8b:3737
250.139.55.56 0:0:0:0:0:ffff:fa8b:3738
250.139.55.57 0:0:0:0:0:ffff:fa8b:3739
250.139.55.58 0:0:0:0:0:ffff:fa8b:373a
250.139.55.59 0:0:0:0:0:ffff:fa8b:373b
250.139.55.60 0:0:0:0:0:ffff:fa8b:373c


250.139.55.61 0:0:0:0:0:ffff:fa8b:373d
250.139.55.62 0:0:0:0:0:ffff:fa8b:373e
250.139.55.63 0:0:0:0:0:ffff:fa8b:373f
250.139.55.64 0:0:0:0:0:ffff:fa8b:3740
250.139.55.65 0:0:0:0:0:ffff:fa8b:3741
250.139.55.66 0:0:0:0:0:ffff:fa8b:3742
250.139.55.67 0:0:0:0:0:ffff:fa8b:3743
250.139.55.68 0:0:0:0:0:ffff:fa8b:3744
250.139.55.69 0:0:0:0:0:ffff:fa8b:3745
250.139.55.70 0:0:0:0:0:ffff:fa8b:3746
250.139.55.71 0:0:0:0:0:ffff:fa8b:3747
250.139.55.72 0:0:0:0:0:ffff:fa8b:3748
250.139.55.73 0:0:0:0:0:ffff:fa8b:3749
250.139.55.74 0:0:0:0:0:ffff:fa8b:374a
250.139.55.75 0:0:0:0:0:ffff:fa8b:374b
250.139.55.76 0:0:0:0:0:ffff:fa8b:374c
250.139.55.77 0:0:0:0:0:ffff:fa8b:374d
250.139.55.78 0:0:0:0:0:ffff:fa8b:374e
250.139.55.79 0:0:0:0:0:ffff:fa8b:374f
250.139.55.80 0:0:0:0:0:ffff:fa8b:3750
250.139.55.81 0:0:0:0:0:ffff:fa8b:3751
250.139.55.82 0:0:0:0:0:ffff:fa8b:3752
250.139.55.83 0:0:0:0:0:ffff:fa8b:3753
250.139.55.84 0:0:0:0:0:ffff:fa8b:3754
250.139.55.85 0:0:0:0:0:ffff:fa8b:3755
250.139.55.86 0:0:0:0:0:ffff:fa8b:3756
250.139.55.87 0:0:0:0:0:ffff:fa8b:3757
250.139.55.88 0:0:0:0:0:ffff:fa8b:3758
250.139.55.89 0:0:0:0:0:ffff:fa8b:3759
250.139.55.90 0:0:0:0:0:ffff:fa8b:375a
250.139.55.91 0:0:0:0:0:ffff:fa8b:375b
250.139.55.92 0:0:0:0:0:ffff:fa8b:375c
250.139.55.93 0:0:0:0:0:ffff:fa8b:375d
250.139.55.94 0:0:0:0:0:ffff:fa8b:375e
250.139.55.95 0:0:0:0:0:ffff:fa8b:375f
250.139.55.96 0:0:0:0:0:ffff:fa8b:3760
250.139.55.97 0:0:0:0:0:ffff:fa8b:3761
250.139.55.98 0:0:0:0:0:ffff:fa8b:3762
250.139.55.99 0:0:0:0:0:ffff:fa8b:3763
250.139.55.100 0:0:0:0:0:ffff:fa8b:3764
250.139.55.101 0:0:0:0:0:ffff:fa8b:3765
250.139.55.102 0:0:0:0:0:ffff:fa8b:3766
250.139.55.103 0:0:0:0:0:ffff:fa8b:3767
250.139.55.104 0:0:0:0:0:ffff:fa8b:3768
250.139.55.105 0:0:0:0:0:ffff:fa8b:3769
250.139.55.106 0:0:0:0:0:ffff:fa8b:376a
250.139.55.107 0:0:0:0:0:ffff:fa8b:376b
250.139.55.108 0:0:0:0:0:ffff:fa8b:376c
250.139.55.109 0:0:0:0:0:ffff:fa8b:376d
250.139.55.110 0:0:0:0:0:ffff:fa8b:376e
250.139.55.111 0:0:0:0:0:ffff:fa8b:376f
250.139.55.112 0:0:0:0:0:ffff:fa8b:3770
250.139.55.113 0:0:0:0:0:ffff:fa8b:3771
250.139.55.114 0:0:0:0:0:ffff:fa8b:3772
250.139.55.115 0:0:0:0:0:ffff:fa8b:3773
250.139.55.116 0:0:0:0:0:ffff:fa8b:3774
250.139.55.117 0:0:0:0:0:ffff:fa8b:3775
250.139.55.118 0:0:0:0:0:ffff:fa8b:3776
250.139.55.119 0:0:0:0:0:ffff:fa8b:3777
250.139.55.120 0:0:0:0:0:ffff:fa8b:3778


250.139.55.121 0:0:0:0:0:ffff:fa8b:3779
250.139.55.122 0:0:0:0:0:ffff:fa8b:377a
250.139.55.123 0:0:0:0:0:ffff:fa8b:377b
250.139.55.124 0:0:0:0:0:ffff:fa8b:377c
250.139.55.125 0:0:0:0:0:ffff:fa8b:377d
250.139.55.126 0:0:0:0:0:ffff:fa8b:377e
250.139.55.127 0:0:0:0:0:ffff:fa8b:377f
250.139.55.128 0:0:0:0:0:ffff:fa8b:3780
250.139.55.129 0:0:0:0:0:ffff:fa8b:3781
250.139.55.130 0:0:0:0:0:ffff:fa8b:3782
250.139.55.131 0:0:0:0:0:ffff:fa8b:3783
250.139.55.132 0:0:0:0:0:ffff:fa8b:3784
250.139.55.133 0:0:0:0:0:ffff:fa8b:3785
250.139.55.134 0:0:0:0:0:ffff:fa8b:3786
250.139.55.135 0:0:0:0:0:ffff:fa8b:3787
250.139.55.136 0:0:0:0:0:ffff:fa8b:3788
250.139.55.137 0:0:0:0:0:ffff:fa8b:3789
250.139.55.138 0:0:0:0:0:ffff:fa8b:378a
250.139.55.139 0:0:0:0:0:ffff:fa8b:378b
250.139.55.140 0:0:0:0:0:ffff:fa8b:378c
250.139.55.141 0:0:0:0:0:ffff:fa8b:378d
250.139.55.142 0:0:0:0:0:ffff:fa8b:378e
250.139.55.143 0:0:0:0:0:ffff:fa8b:378f
250.139.55.144 0:0:0:0:0:ffff:fa8b:3790
250.139.55.145 0:0:0:0:0:ffff:fa8b:3791
250.139.55.146 0:0:0:0:0:ffff:fa8b:3792
250.139.55.147 0:0:0:0:0:ffff:fa8b:3793
250.139.55.148 0:0:0:0:0:ffff:fa8b:3794
250.139.55.149 0:0:0:0:0:ffff:fa8b:3795
250.139.55.150 0:0:0:0:0:ffff:fa8b:3796
250.139.55.151 0:0:0:0:0:ffff:fa8b:3797
250.139.55.152 0:0:0:0:0:ffff:fa8b:3798
250.139.55.153 0:0:0:0:0:ffff:fa8b:3799
250.139.55.154 0:0:0:0:0:ffff:fa8b:379a
250.139.55.155 0:0:0:0:0:ffff:fa8b:379b
250.139.55.156 0:0:0:0:0:ffff:fa8b:379c
250.139.55.157 0:0:0:0:0:ffff:fa8b:379d
250.139.55.158 0:0:0:0:0:ffff:fa8b:379e
250.139.55.159 0:0:0:0:0:ffff:fa8b:379f
250.139.55.160 0:0:0:0:0:ffff:fa8b:37a0
250.139.55.161 0:0:0:0:0:ffff:fa8b:37a1
250.139.55.162 0:0:0:0:0:ffff:fa8b:37a2
250.139.55.163 0:0:0:0:0:ffff:fa8b:37a3
250.139.55.164 0:0:0:0:0:ffff:fa8b:37a4
250.139.55.165 0:0:0:0:0:ffff:fa8b:37a5
250.139.55.166 0:0:0:0:0:ffff:fa8b:37a6
250.139.55.167 0:0:0:0:0:ffff:fa8b:37a7
250.139.55.168 0:0:0:0:0:ffff:fa8b:37a8
250.139.55.169 0:0:0:0:0:ffff:fa8b:37a9
250.139.55.170 0:0:0:0:0:ffff:fa8b:37aa
250.139.55.171 0:0:0:0:0:ffff:fa8b:37ab
250.139.55.172 0:0:0:0:0:ffff:fa8b:37ac
250.139.55.173 0:0:0:0:0:ffff:fa8b:37ad
250.139.55.174 0:0:0:0:0:ffff:fa8b:37ae
250.139.55.175 0:0:0:0:0:ffff:fa8b:37af
250.139.55.176 0:0:0:0:0:ffff:fa8b:37b0
250.139.55.177 0:0:0:0:0:ffff:fa8b:37b1
250.139.55.178 0:0:0:0:0:ffff:fa8b:37b2
250.139.55.179 0:0:0:0:0:ffff:fa8b:37b3
250.139.55.180 0:0:0:0:0:ffff:fa8b:37b4


250.139.55.181 0:0:0:0:0:ffff:fa8b:37b5
250.139.55.182 0:0:0:0:0:ffff:fa8b:37b6
250.139.55.183 0:0:0:0:0:ffff:fa8b:37b7
250.139.55.184 0:0:0:0:0:ffff:fa8b:37b8
250.139.55.185 0:0:0:0:0:ffff:fa8b:37b9
250.139.55.186 0:0:0:0:0:ffff:fa8b:37ba
250.139.55.187 0:0:0:0:0:ffff:fa8b:37bb
250.139.55.188 0:0:0:0:0:ffff:fa8b:37bc
250.139.55.189 0:0:0:0:0:ffff:fa8b:37bd
250.139.55.190 0:0:0:0:0:ffff:fa8b:37be
250.139.55.191 0:0:0:0:0:ffff:fa8b:37bf
250.139.55.192 0:0:0:0:0:ffff:fa8b:37c0
250.139.55.193 0:0:0:0:0:ffff:fa8b:37c1
250.139.55.194 0:0:0:0:0:ffff:fa8b:37c2
250.139.55.195 0:0:0:0:0:ffff:fa8b:37c3
250.139.55.196 0:0:0:0:0:ffff:fa8b:37c4
250.139.55.197 0:0:0:0:0:ffff:fa8b:37c5
250.139.55.198 0:0:0:0:0:ffff:fa8b:37c6
250.139.55.199 0:0:0:0:0:ffff:fa8b:37c7
250.139.55.200 0:0:0:0:0:ffff:fa8b:37c8
250.139.55.201 0:0:0:0:0:ffff:fa8b:37c9
250.139.55.202 0:0:0:0:0:ffff:fa8b:37ca
250.139.55.203 0:0:0:0:0:ffff:fa8b:37cb
250.139.55.204 0:0:0:0:0:ffff:fa8b:37cc
250.139.55.205 0:0:0:0:0:ffff:fa8b:37cd
250.139.55.206 0:0:0:0:0:ffff:fa8b:37ce
250.139.55.207 0:0:0:0:0:ffff:fa8b:37cf
250.139.55.208 0:0:0:0:0:ffff:fa8b:37d0
250.139.55.209 0:0:0:0:0:ffff:fa8b:37d1
250.139.55.210 0:0:0:0:0:ffff:fa8b:37d2
250.139.55.211 0:0:0:0:0:ffff:fa8b:37d3
250.139.55.212 0:0:0:0:0:ffff:fa8b:37d4
250.139.55.213 0:0:0:0:0:ffff:fa8b:37d5
250.139.55.214 0:0:0:0:0:ffff:fa8b:37d6
250.139.55.215 0:0:0:0:0:ffff:fa8b:37d7
250.139.55.216 0:0:0:0:0:ffff:fa8b:37d8
250.139.55.217 0:0:0:0:0:ffff:fa8b:37d9
250.139.55.218 0:0:0:0:0:ffff:fa8b:37da
250.139.55.219 0:0:0:0:0:ffff:fa8b:37db
250.139.55.220 0:0:0:0:0:ffff:fa8b:37dc
250.139.55.221 0:0:0:0:0:ffff:fa8b:37dd
250.139.55.222 0:0:0:0:0:ffff:fa8b:37de
250.139.55.223 0:0:0:0:0:ffff:fa8b:37df
250.139.55.224 0:0:0:0:0:ffff:fa8b:37e0
250.139.55.225 0:0:0:0:0:ffff:fa8b:37e1
250.139.55.226 0:0:0:0:0:ffff:fa8b:37e2
250.139.55.227 0:0:0:0:0:ffff:fa8b:37e3
250.139.55.228 0:0:0:0:0:ffff:fa8b:37e4
250.139.55.229 0:0:0:0:0:ffff:fa8b:37e5
250.139.55.230 0:0:0:0:0:ffff:fa8b:37e6
250.139.55.231 0:0:0:0:0:ffff:fa8b:37e7
250.139.55.232 0:0:0:0:0:ffff:fa8b:37e8
250.139.55.233 0:0:0:0:0:ffff:fa8b:37e9
250.139.55.234 0:0:0:0:0:ffff:fa8b:37ea
250.139.55.235 0:0:0:0:0:ffff:fa8b:37eb
250.139.55.236 0:0:0:0:0:ffff:fa8b:37ec
250.139.55.237 0:0:0:0:0:ffff:fa8b:37ed
250.139.55.238 0:0:0:0:0:ffff:fa8b:37ee
250.139.55.239 0:0:0:0:0:ffff:fa8b:37ef
250.139.55.240 0:0:0:0:0:ffff:fa8b:37f0
250.139.55.241 0:0:0:0:0:ffff:fa8b:37f1
250.139.55.242 0:0:0:0:0:ffff:fa8b:37f2
250.139.55.243 0:0:0:0:0:ffff:fa8b:37f3
250.139.55.244 0:0:0:0:0:ffff:fa8b:37f4
250.139.55.245 0:0:0:0:0:ffff:fa8b:37f5
250.139.55.246 0:0:0:0:0:ffff:fa8b:37f6
250.139.55.247 0:0:0:0:0:ffff:fa8b:37f7
250.139.55.248 0:0:0:0:0:ffff:fa8b:37f8
250.139.55.249 0:0:0:0:0:ffff:fa8b:37f9
250.139.55.250 0:0:0:0:0:ffff:fa8b:37fa
250.139.55.251 0:0:0:0:0:ffff:fa8b:37fb
250.139.55.252 0:0:0:0:0:ffff:fa8b:37fc
250.139.55.253 0:0:0:0:0:ffff:fa8b:37fd
250.139.55.254 0:0:0:0:0:ffff:fa8b:37fe
250.139.55.255 0:0:0:0:0:ffff:fa8b: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.