Subnet Mask Selector
192.168.1.0/24 10.0.0.0/8 172.16.0.0/12 192.168.100.0/26 10.10.0.0/16
Network
CIDR Notation172.16.0.0/24
Network Address172.16.0.0
Broadcast Address172.16.0.255
First Host172.16.0.1
Last Host172.16.0.254
Mask & Stats
Subnet Mask255.255.255.0
Wildcard Mask0.0.0.255
Total Hosts256
Usable Hosts254
IP ClassClass B
Address Type Private
Binary Representation
IP IP in Binary
10101100.00010000.00000000.00000000
network bits   host bits
Mask in Binary
11111111.11111111.11111111.00000000
Subnet Splitter
Split into 2 subnets 4 subnets 8 subnets 16 subnets 32 subnets
#Subnet (/29)RangeBroadcast AddressUsable Hosts
1172.16.0.0/29172.16.0.1 — 172.16.0.6172.16.0.76
2172.16.0.8/29172.16.0.9 — 172.16.0.14172.16.0.156
3172.16.0.16/29172.16.0.17 — 172.16.0.22172.16.0.236
4172.16.0.24/29172.16.0.25 — 172.16.0.30172.16.0.316
5172.16.0.32/29172.16.0.33 — 172.16.0.38172.16.0.396
6172.16.0.40/29172.16.0.41 — 172.16.0.46172.16.0.476
7172.16.0.48/29172.16.0.49 — 172.16.0.54172.16.0.556
8172.16.0.56/29172.16.0.57 — 172.16.0.62172.16.0.636
9172.16.0.64/29172.16.0.65 — 172.16.0.70172.16.0.716
10172.16.0.72/29172.16.0.73 — 172.16.0.78172.16.0.796
11172.16.0.80/29172.16.0.81 — 172.16.0.86172.16.0.876
12172.16.0.88/29172.16.0.89 — 172.16.0.94172.16.0.956
13172.16.0.96/29172.16.0.97 — 172.16.0.102172.16.0.1036
14172.16.0.104/29172.16.0.105 — 172.16.0.110172.16.0.1116
15172.16.0.112/29172.16.0.113 — 172.16.0.118172.16.0.1196
16172.16.0.120/29172.16.0.121 — 172.16.0.126172.16.0.1276
17172.16.0.128/29172.16.0.129 — 172.16.0.134172.16.0.1356
18172.16.0.136/29172.16.0.137 — 172.16.0.142172.16.0.1436
19172.16.0.144/29172.16.0.145 — 172.16.0.150172.16.0.1516
20172.16.0.152/29172.16.0.153 — 172.16.0.158172.16.0.1596
21172.16.0.160/29172.16.0.161 — 172.16.0.166172.16.0.1676
22172.16.0.168/29172.16.0.169 — 172.16.0.174172.16.0.1756
23172.16.0.176/29172.16.0.177 — 172.16.0.182172.16.0.1836
24172.16.0.184/29172.16.0.185 — 172.16.0.190172.16.0.1916
25172.16.0.192/29172.16.0.193 — 172.16.0.198172.16.0.1996
26172.16.0.200/29172.16.0.201 — 172.16.0.206172.16.0.2076
27172.16.0.208/29172.16.0.209 — 172.16.0.214172.16.0.2156
28172.16.0.216/29172.16.0.217 — 172.16.0.222172.16.0.2236
29172.16.0.224/29172.16.0.225 — 172.16.0.230172.16.0.2316
30172.16.0.232/29172.16.0.233 — 172.16.0.238172.16.0.2396
31172.16.0.240/29172.16.0.241 — 172.16.0.246172.16.0.2476
32172.16.0.248/29172.16.0.249 — 172.16.0.254172.16.0.2556
Converter
IP → Integer
2886729728
Mask → CIDR
/ 24
Range (hex)
0xAC100000 — 0xAC1000FF
Quick Converter (no reload)
IP → Integer
Integer → IP
📊 Subnet Visualization
172.16.0.0 172.16.0.255
Network ▲ 172.16.0.0 Broadcast
Usable hosts: 254
Reserved: 2
your_ip
📋 Subnet Cheat Sheet
CIDR Mask Hosts Usage
/8 255.0.0.0 16,777,214 Large Class A networks
/16 255.255.0.0 65,534 Medium corporate networks
/24 255.255.255.0 254 Typical home/office network
/25 255.255.255.128 126 Half of /24
/26 255.255.255.192 62 Small department
/27 255.255.255.224 30 Small office
/28 255.255.255.240 14 Micro-segment
/29 255.255.255.248 6 Point-to-point with hosts
/30 255.255.255.252 2 Point-to-point link
/31 255.255.255.254 2 P2P (RFC 3021)
/32 255.255.255.255 1 Single host route