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 Notation192.0.0.0/27
Network Address192.0.0.0
Broadcast Address192.0.0.31
First Host192.0.0.1
Last Host192.0.0.30
Mask & Stats
Subnet Mask255.255.255.224
Wildcard Mask0.0.0.31
Total Hosts32
Usable Hosts30
IP ClassClass C
Address Type Public
Binary Representation
IP IP in Binary
11000000.00000000.00000000.00000000
network bits   host bits
Mask in Binary
11111111.11111111.11111111.11100000
Subnet Splitter
Split into 2 subnets 4 subnets 8 subnets
#Subnet (/30)RangeBroadcast AddressUsable Hosts
1192.0.0.0/30192.0.0.1 — 192.0.0.2192.0.0.32
2192.0.0.4/30192.0.0.5 — 192.0.0.6192.0.0.72
3192.0.0.8/30192.0.0.9 — 192.0.0.10192.0.0.112
4192.0.0.12/30192.0.0.13 — 192.0.0.14192.0.0.152
5192.0.0.16/30192.0.0.17 — 192.0.0.18192.0.0.192
6192.0.0.20/30192.0.0.21 — 192.0.0.22192.0.0.232
7192.0.0.24/30192.0.0.25 — 192.0.0.26192.0.0.272
8192.0.0.28/30192.0.0.29 — 192.0.0.30192.0.0.312
Converter
IP → Integer
3221225472
Mask → CIDR
/ 27
Range (hex)
0xC0000000 — 0xC000001F
Quick Converter (no reload)
IP → Integer
Integer → IP
📊 Subnet Visualization
192.0.0.0 192.0.0.31
Network ▲ 192.0.0.0 Broadcast
Usable hosts: 30
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