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
37.153.149.1 0:0:0:0:0:ffff:2599:9501
37.153.149.2 0:0:0:0:0:ffff:2599:9502
37.153.149.3 0:0:0:0:0:ffff:2599:9503
37.153.149.4 0:0:0:0:0:ffff:2599:9504
37.153.149.5 0:0:0:0:0:ffff:2599:9505
37.153.149.6 0:0:0:0:0:ffff:2599:9506
37.153.149.7 0:0:0:0:0:ffff:2599:9507
37.153.149.8 0:0:0:0:0:ffff:2599:9508
37.153.149.9 0:0:0:0:0:ffff:2599:9509
37.153.149.10 0:0:0:0:0:ffff:2599:950a
37.153.149.11 0:0:0:0:0:ffff:2599:950b
37.153.149.12 0:0:0:0:0:ffff:2599:950c
37.153.149.13 0:0:0:0:0:ffff:2599:950d
37.153.149.14 0:0:0:0:0:ffff:2599:950e
37.153.149.15 0:0:0:0:0:ffff:2599:950f
37.153.149.16 0:0:0:0:0:ffff:2599:9510
37.153.149.17 0:0:0:0:0:ffff:2599:9511
37.153.149.18 0:0:0:0:0:ffff:2599:9512
37.153.149.19 0:0:0:0:0:ffff:2599:9513
37.153.149.20 0:0:0:0:0:ffff:2599:9514
37.153.149.21 0:0:0:0:0:ffff:2599:9515
37.153.149.22 0:0:0:0:0:ffff:2599:9516
37.153.149.23 0:0:0:0:0:ffff:2599:9517
37.153.149.24 0:0:0:0:0:ffff:2599:9518
37.153.149.25 0:0:0:0:0:ffff:2599:9519
37.153.149.26 0:0:0:0:0:ffff:2599:951a
37.153.149.27 0:0:0:0:0:ffff:2599:951b
37.153.149.28 0:0:0:0:0:ffff:2599:951c
37.153.149.29 0:0:0:0:0:ffff:2599:951d
37.153.149.30 0:0:0:0:0:ffff:2599:951e
37.153.149.31 0:0:0:0:0:ffff:2599:951f
37.153.149.32 0:0:0:0:0:ffff:2599:9520
37.153.149.33 0:0:0:0:0:ffff:2599:9521
37.153.149.34 0:0:0:0:0:ffff:2599:9522
37.153.149.35 0:0:0:0:0:ffff:2599:9523
37.153.149.36 0:0:0:0:0:ffff:2599:9524
37.153.149.37 0:0:0:0:0:ffff:2599:9525
37.153.149.38 0:0:0:0:0:ffff:2599:9526
37.153.149.39 0:0:0:0:0:ffff:2599:9527
37.153.149.40 0:0:0:0:0:ffff:2599:9528
37.153.149.41 0:0:0:0:0:ffff:2599:9529
37.153.149.42 0:0:0:0:0:ffff:2599:952a
37.153.149.43 0:0:0:0:0:ffff:2599:952b
37.153.149.44 0:0:0:0:0:ffff:2599:952c
37.153.149.45 0:0:0:0:0:ffff:2599:952d
37.153.149.46 0:0:0:0:0:ffff:2599:952e
37.153.149.47 0:0:0:0:0:ffff:2599:952f
37.153.149.48 0:0:0:0:0:ffff:2599:9530
37.153.149.49 0:0:0:0:0:ffff:2599:9531
37.153.149.50 0:0:0:0:0:ffff:2599:9532
37.153.149.51 0:0:0:0:0:ffff:2599:9533
37.153.149.52 0:0:0:0:0:ffff:2599:9534
37.153.149.53 0:0:0:0:0:ffff:2599:9535
37.153.149.54 0:0:0:0:0:ffff:2599:9536
37.153.149.55 0:0:0:0:0:ffff:2599:9537
37.153.149.56 0:0:0:0:0:ffff:2599:9538
37.153.149.57 0:0:0:0:0:ffff:2599:9539
37.153.149.58 0:0:0:0:0:ffff:2599:953a
37.153.149.59 0:0:0:0:0:ffff:2599:953b
37.153.149.60 0:0:0:0:0:ffff:2599:953c


37.153.149.61 0:0:0:0:0:ffff:2599:953d
37.153.149.62 0:0:0:0:0:ffff:2599:953e
37.153.149.63 0:0:0:0:0:ffff:2599:953f
37.153.149.64 0:0:0:0:0:ffff:2599:9540
37.153.149.65 0:0:0:0:0:ffff:2599:9541
37.153.149.66 0:0:0:0:0:ffff:2599:9542
37.153.149.67 0:0:0:0:0:ffff:2599:9543
37.153.149.68 0:0:0:0:0:ffff:2599:9544
37.153.149.69 0:0:0:0:0:ffff:2599:9545
37.153.149.70 0:0:0:0:0:ffff:2599:9546
37.153.149.71 0:0:0:0:0:ffff:2599:9547
37.153.149.72 0:0:0:0:0:ffff:2599:9548
37.153.149.73 0:0:0:0:0:ffff:2599:9549
37.153.149.74 0:0:0:0:0:ffff:2599:954a
37.153.149.75 0:0:0:0:0:ffff:2599:954b
37.153.149.76 0:0:0:0:0:ffff:2599:954c
37.153.149.77 0:0:0:0:0:ffff:2599:954d
37.153.149.78 0:0:0:0:0:ffff:2599:954e
37.153.149.79 0:0:0:0:0:ffff:2599:954f
37.153.149.80 0:0:0:0:0:ffff:2599:9550
37.153.149.81 0:0:0:0:0:ffff:2599:9551
37.153.149.82 0:0:0:0:0:ffff:2599:9552
37.153.149.83 0:0:0:0:0:ffff:2599:9553
37.153.149.84 0:0:0:0:0:ffff:2599:9554
37.153.149.85 0:0:0:0:0:ffff:2599:9555
37.153.149.86 0:0:0:0:0:ffff:2599:9556
37.153.149.87 0:0:0:0:0:ffff:2599:9557
37.153.149.88 0:0:0:0:0:ffff:2599:9558
37.153.149.89 0:0:0:0:0:ffff:2599:9559
37.153.149.90 0:0:0:0:0:ffff:2599:955a
37.153.149.91 0:0:0:0:0:ffff:2599:955b
37.153.149.92 0:0:0:0:0:ffff:2599:955c
37.153.149.93 0:0:0:0:0:ffff:2599:955d
37.153.149.94 0:0:0:0:0:ffff:2599:955e
37.153.149.95 0:0:0:0:0:ffff:2599:955f
37.153.149.96 0:0:0:0:0:ffff:2599:9560
37.153.149.97 0:0:0:0:0:ffff:2599:9561
37.153.149.98 0:0:0:0:0:ffff:2599:9562
37.153.149.99 0:0:0:0:0:ffff:2599:9563
37.153.149.100 0:0:0:0:0:ffff:2599:9564
37.153.149.101 0:0:0:0:0:ffff:2599:9565
37.153.149.102 0:0:0:0:0:ffff:2599:9566
37.153.149.103 0:0:0:0:0:ffff:2599:9567
37.153.149.104 0:0:0:0:0:ffff:2599:9568
37.153.149.105 0:0:0:0:0:ffff:2599:9569
37.153.149.106 0:0:0:0:0:ffff:2599:956a
37.153.149.107 0:0:0:0:0:ffff:2599:956b
37.153.149.108 0:0:0:0:0:ffff:2599:956c
37.153.149.109 0:0:0:0:0:ffff:2599:956d
37.153.149.110 0:0:0:0:0:ffff:2599:956e
37.153.149.111 0:0:0:0:0:ffff:2599:956f
37.153.149.112 0:0:0:0:0:ffff:2599:9570
37.153.149.113 0:0:0:0:0:ffff:2599:9571
37.153.149.114 0:0:0:0:0:ffff:2599:9572
37.153.149.115 0:0:0:0:0:ffff:2599:9573
37.153.149.116 0:0:0:0:0:ffff:2599:9574
37.153.149.117 0:0:0:0:0:ffff:2599:9575
37.153.149.118 0:0:0:0:0:ffff:2599:9576
37.153.149.119 0:0:0:0:0:ffff:2599:9577
37.153.149.120 0:0:0:0:0:ffff:2599:9578


37.153.149.121 0:0:0:0:0:ffff:2599:9579
37.153.149.122 0:0:0:0:0:ffff:2599:957a
37.153.149.123 0:0:0:0:0:ffff:2599:957b
37.153.149.124 0:0:0:0:0:ffff:2599:957c
37.153.149.125 0:0:0:0:0:ffff:2599:957d
37.153.149.126 0:0:0:0:0:ffff:2599:957e
37.153.149.127 0:0:0:0:0:ffff:2599:957f
37.153.149.128 0:0:0:0:0:ffff:2599:9580
37.153.149.129 0:0:0:0:0:ffff:2599:9581
37.153.149.130 0:0:0:0:0:ffff:2599:9582
37.153.149.131 0:0:0:0:0:ffff:2599:9583
37.153.149.132 0:0:0:0:0:ffff:2599:9584
37.153.149.133 0:0:0:0:0:ffff:2599:9585
37.153.149.134 0:0:0:0:0:ffff:2599:9586
37.153.149.135 0:0:0:0:0:ffff:2599:9587
37.153.149.136 0:0:0:0:0:ffff:2599:9588
37.153.149.137 0:0:0:0:0:ffff:2599:9589
37.153.149.138 0:0:0:0:0:ffff:2599:958a
37.153.149.139 0:0:0:0:0:ffff:2599:958b
37.153.149.140 0:0:0:0:0:ffff:2599:958c
37.153.149.141 0:0:0:0:0:ffff:2599:958d
37.153.149.142 0:0:0:0:0:ffff:2599:958e
37.153.149.143 0:0:0:0:0:ffff:2599:958f
37.153.149.144 0:0:0:0:0:ffff:2599:9590
37.153.149.145 0:0:0:0:0:ffff:2599:9591
37.153.149.146 0:0:0:0:0:ffff:2599:9592
37.153.149.147 0:0:0:0:0:ffff:2599:9593
37.153.149.148 0:0:0:0:0:ffff:2599:9594
37.153.149.149 0:0:0:0:0:ffff:2599:9595
37.153.149.150 0:0:0:0:0:ffff:2599:9596
37.153.149.151 0:0:0:0:0:ffff:2599:9597
37.153.149.152 0:0:0:0:0:ffff:2599:9598
37.153.149.153 0:0:0:0:0:ffff:2599:9599
37.153.149.154 0:0:0:0:0:ffff:2599:959a
37.153.149.155 0:0:0:0:0:ffff:2599:959b
37.153.149.156 0:0:0:0:0:ffff:2599:959c
37.153.149.157 0:0:0:0:0:ffff:2599:959d
37.153.149.158 0:0:0:0:0:ffff:2599:959e
37.153.149.159 0:0:0:0:0:ffff:2599:959f
37.153.149.160 0:0:0:0:0:ffff:2599:95a0
37.153.149.161 0:0:0:0:0:ffff:2599:95a1
37.153.149.162 0:0:0:0:0:ffff:2599:95a2
37.153.149.163 0:0:0:0:0:ffff:2599:95a3
37.153.149.164 0:0:0:0:0:ffff:2599:95a4
37.153.149.165 0:0:0:0:0:ffff:2599:95a5
37.153.149.166 0:0:0:0:0:ffff:2599:95a6
37.153.149.167 0:0:0:0:0:ffff:2599:95a7
37.153.149.168 0:0:0:0:0:ffff:2599:95a8
37.153.149.169 0:0:0:0:0:ffff:2599:95a9
37.153.149.170 0:0:0:0:0:ffff:2599:95aa
37.153.149.171 0:0:0:0:0:ffff:2599:95ab
37.153.149.172 0:0:0:0:0:ffff:2599:95ac
37.153.149.173 0:0:0:0:0:ffff:2599:95ad
37.153.149.174 0:0:0:0:0:ffff:2599:95ae
37.153.149.175 0:0:0:0:0:ffff:2599:95af
37.153.149.176 0:0:0:0:0:ffff:2599:95b0
37.153.149.177 0:0:0:0:0:ffff:2599:95b1
37.153.149.178 0:0:0:0:0:ffff:2599:95b2
37.153.149.179 0:0:0:0:0:ffff:2599:95b3
37.153.149.180 0:0:0:0:0:ffff:2599:95b4


37.153.149.181 0:0:0:0:0:ffff:2599:95b5
37.153.149.182 0:0:0:0:0:ffff:2599:95b6
37.153.149.183 0:0:0:0:0:ffff:2599:95b7
37.153.149.184 0:0:0:0:0:ffff:2599:95b8
37.153.149.185 0:0:0:0:0:ffff:2599:95b9
37.153.149.186 0:0:0:0:0:ffff:2599:95ba
37.153.149.187 0:0:0:0:0:ffff:2599:95bb
37.153.149.188 0:0:0:0:0:ffff:2599:95bc
37.153.149.189 0:0:0:0:0:ffff:2599:95bd
37.153.149.190 0:0:0:0:0:ffff:2599:95be
37.153.149.191 0:0:0:0:0:ffff:2599:95bf
37.153.149.192 0:0:0:0:0:ffff:2599:95c0
37.153.149.193 0:0:0:0:0:ffff:2599:95c1
37.153.149.194 0:0:0:0:0:ffff:2599:95c2
37.153.149.195 0:0:0:0:0:ffff:2599:95c3
37.153.149.196 0:0:0:0:0:ffff:2599:95c4
37.153.149.197 0:0:0:0:0:ffff:2599:95c5
37.153.149.198 0:0:0:0:0:ffff:2599:95c6
37.153.149.199 0:0:0:0:0:ffff:2599:95c7
37.153.149.200 0:0:0:0:0:ffff:2599:95c8
37.153.149.201 0:0:0:0:0:ffff:2599:95c9
37.153.149.202 0:0:0:0:0:ffff:2599:95ca
37.153.149.203 0:0:0:0:0:ffff:2599:95cb
37.153.149.204 0:0:0:0:0:ffff:2599:95cc
37.153.149.205 0:0:0:0:0:ffff:2599:95cd
37.153.149.206 0:0:0:0:0:ffff:2599:95ce
37.153.149.207 0:0:0:0:0:ffff:2599:95cf
37.153.149.208 0:0:0:0:0:ffff:2599:95d0
37.153.149.209 0:0:0:0:0:ffff:2599:95d1
37.153.149.210 0:0:0:0:0:ffff:2599:95d2
37.153.149.211 0:0:0:0:0:ffff:2599:95d3
37.153.149.212 0:0:0:0:0:ffff:2599:95d4
37.153.149.213 0:0:0:0:0:ffff:2599:95d5
37.153.149.214 0:0:0:0:0:ffff:2599:95d6
37.153.149.215 0:0:0:0:0:ffff:2599:95d7
37.153.149.216 0:0:0:0:0:ffff:2599:95d8
37.153.149.217 0:0:0:0:0:ffff:2599:95d9
37.153.149.218 0:0:0:0:0:ffff:2599:95da
37.153.149.219 0:0:0:0:0:ffff:2599:95db
37.153.149.220 0:0:0:0:0:ffff:2599:95dc
37.153.149.221 0:0:0:0:0:ffff:2599:95dd
37.153.149.222 0:0:0:0:0:ffff:2599:95de
37.153.149.223 0:0:0:0:0:ffff:2599:95df
37.153.149.224 0:0:0:0:0:ffff:2599:95e0
37.153.149.225 0:0:0:0:0:ffff:2599:95e1
37.153.149.226 0:0:0:0:0:ffff:2599:95e2
37.153.149.227 0:0:0:0:0:ffff:2599:95e3
37.153.149.228 0:0:0:0:0:ffff:2599:95e4
37.153.149.229 0:0:0:0:0:ffff:2599:95e5
37.153.149.230 0:0:0:0:0:ffff:2599:95e6
37.153.149.231 0:0:0:0:0:ffff:2599:95e7
37.153.149.232 0:0:0:0:0:ffff:2599:95e8
37.153.149.233 0:0:0:0:0:ffff:2599:95e9
37.153.149.234 0:0:0:0:0:ffff:2599:95ea
37.153.149.235 0:0:0:0:0:ffff:2599:95eb
37.153.149.236 0:0:0:0:0:ffff:2599:95ec
37.153.149.237 0:0:0:0:0:ffff:2599:95ed
37.153.149.238 0:0:0:0:0:ffff:2599:95ee
37.153.149.239 0:0:0:0:0:ffff:2599:95ef
37.153.149.240 0:0:0:0:0:ffff:2599:95f0
37.153.149.241 0:0:0:0:0:ffff:2599:95f1
37.153.149.242 0:0:0:0:0:ffff:2599:95f2
37.153.149.243 0:0:0:0:0:ffff:2599:95f3
37.153.149.244 0:0:0:0:0:ffff:2599:95f4
37.153.149.245 0:0:0:0:0:ffff:2599:95f5
37.153.149.246 0:0:0:0:0:ffff:2599:95f6
37.153.149.247 0:0:0:0:0:ffff:2599:95f7
37.153.149.248 0:0:0:0:0:ffff:2599:95f8
37.153.149.249 0:0:0:0:0:ffff:2599:95f9
37.153.149.250 0:0:0:0:0:ffff:2599:95fa
37.153.149.251 0:0:0:0:0:ffff:2599:95fb
37.153.149.252 0:0:0:0:0:ffff:2599:95fc
37.153.149.253 0:0:0:0:0:ffff:2599:95fd
37.153.149.254 0:0:0:0:0:ffff:2599:95fe
37.153.149.255 0:0:0:0:0:ffff:2599:95ff


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.