CCNA Subnet Visualizer
Transform abstract subnetting rules into visual understanding. Move from confusion to mastery through interactive visualization.
Network Configuration
/24/30
Interactive Visualization
1
Possible Subnets
254
Hosts per Subnet
0
Subnet Bits Borrowed
8
Host Bits Remaining
Binary Visualization
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
H
H
H
H
H
H
H
H
1
1
0
0
0
0
0
0
1
0
1
0
1
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
Network Bits (24)
Host Bits (8)
All Subnets (1)
| # | Network ID | Usable Host Range | Broadcast |
|---|---|---|---|
| 1 | 192.168.1.0/24 | 192.168.1.1 - 192.168.1.254 | 192.168.1.255 |
Key Insight
Each time you increase the CIDR prefix by 1, you're literally "borrowing" one bit from the host portion to create more subnets, which cuts your host count in half!