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 Notation172.16.0.0/19
Network Address172.16.0.0
Broadcast Address172.16.31.255
First Host172.16.0.1
Last Host172.16.31.254
Mask & Stats
Subnet Mask255.255.224.0
Wildcard Mask0.0.31.255
Total Hosts8,192
Usable Hosts8,190
IP ClassClass B
Address Type Private
Binary Representation
IP IP in Binary
10101100.00010000.00000000.00000000
network bits   host bits
Mask in Binary
11111111.11111111.11100000.00000000
Subnet Splitter
Split into 2 subnets 4 subnets 8 subnets 16 subnets 32 subnets
#Subnet (/24)RangeBroadcast AddressUsable Hosts
1172.16.0.0/24172.16.0.1 — 172.16.0.254172.16.0.255254
2172.16.1.0/24172.16.1.1 — 172.16.1.254172.16.1.255254
3172.16.2.0/24172.16.2.1 — 172.16.2.254172.16.2.255254
4172.16.3.0/24172.16.3.1 — 172.16.3.254172.16.3.255254
5172.16.4.0/24172.16.4.1 — 172.16.4.254172.16.4.255254
6172.16.5.0/24172.16.5.1 — 172.16.5.254172.16.5.255254
7172.16.6.0/24172.16.6.1 — 172.16.6.254172.16.6.255254
8172.16.7.0/24172.16.7.1 — 172.16.7.254172.16.7.255254
9172.16.8.0/24172.16.8.1 — 172.16.8.254172.16.8.255254
10172.16.9.0/24172.16.9.1 — 172.16.9.254172.16.9.255254
11172.16.10.0/24172.16.10.1 — 172.16.10.254172.16.10.255254
12172.16.11.0/24172.16.11.1 — 172.16.11.254172.16.11.255254
13172.16.12.0/24172.16.12.1 — 172.16.12.254172.16.12.255254
14172.16.13.0/24172.16.13.1 — 172.16.13.254172.16.13.255254
15172.16.14.0/24172.16.14.1 — 172.16.14.254172.16.14.255254
16172.16.15.0/24172.16.15.1 — 172.16.15.254172.16.15.255254
17172.16.16.0/24172.16.16.1 — 172.16.16.254172.16.16.255254
18172.16.17.0/24172.16.17.1 — 172.16.17.254172.16.17.255254
19172.16.18.0/24172.16.18.1 — 172.16.18.254172.16.18.255254
20172.16.19.0/24172.16.19.1 — 172.16.19.254172.16.19.255254
21172.16.20.0/24172.16.20.1 — 172.16.20.254172.16.20.255254
22172.16.21.0/24172.16.21.1 — 172.16.21.254172.16.21.255254
23172.16.22.0/24172.16.22.1 — 172.16.22.254172.16.22.255254
24172.16.23.0/24172.16.23.1 — 172.16.23.254172.16.23.255254
25172.16.24.0/24172.16.24.1 — 172.16.24.254172.16.24.255254
26172.16.25.0/24172.16.25.1 — 172.16.25.254172.16.25.255254
27172.16.26.0/24172.16.26.1 — 172.16.26.254172.16.26.255254
28172.16.27.0/24172.16.27.1 — 172.16.27.254172.16.27.255254
29172.16.28.0/24172.16.28.1 — 172.16.28.254172.16.28.255254
30172.16.29.0/24172.16.29.1 — 172.16.29.254172.16.29.255254
31172.16.30.0/24172.16.30.1 — 172.16.30.254172.16.30.255254
32172.16.31.0/24172.16.31.1 — 172.16.31.254172.16.31.255254
Converter
IP → Integer
2886729728
Mask → CIDR
/ 19
Range (hex)
0xAC100000 — 0xAC101FFF
Quick Converter (no reload)
IP → Integer
Integer → IP
📊 Subnet Visualization
172.16.0.0 172.16.31.255
Network ▲ 172.16.0.0 Broadcast
Usable hosts: 8,190
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