IP Subnet Calculator
High-precision subnet splitter with binary bit-level visualizers and variable-length subnet mask configurations.
Calculation Results
Network Address
192.168.1.0
Broadcast Address
192.168.1.255
Usable Host Range
192.168.1.1 - 192.168.1.254
Usable Hosts
254
Binary Bit Visualizer
Divide Network
Split this parent subnet prefix logically.
New Mask Prefix
/26
Hosts / Subnet
62
Total Subnet IPs
64
Dotted Segment
.192
Calculated Split Ranges
Showing all 4 splits| # | Network Address | Usable Range | Broadcast Address |
|---|---|---|---|
| 1 | 192.168.1.0 | 192.168.1.1 - .62 | 192.168.1.63 |
| 2 | 192.168.1.64 | 192.168.1.65 - .126 | 192.168.1.127 |
| 3 | 192.168.1.128 | 192.168.1.129 - .190 | 192.168.1.191 |
| 4 | 192.168.1.192 | 192.168.1.193 - .254 | 192.168.1.255 |
How It Works
IP & Prefix Input
Select IP version and input octet parameters or prefix lengths.
Bit Mask Alignments
Binary visualizer breaks down network bits vs host ranges in real time.
Range Slicing
Subnet divider lists calculated IP ranges and split hosts instantly.
The Engineer's Guide to Subnetting
**Subnetting** is the logical partition of a physical IP network into multiple smaller segments. It reduces network routing tables, enhances local broadcast efficiency, and elevates infrastructure security.
UtilVox uses standard bitwise operations (such as bitwise AND `&` to isolate network indices, and bitwise OR `|` to calculate broadcast scopes) to deliver instant, high-precision results.
Why CIDR?
Classless Inter-Domain Routing (CIDR) replaced traditional class-based networking in 1993, allowing variable-length subnet masks (VLSM) to prevent large address-space exhaustions.
// CIDR Quick-Reference
/24 = 255.255.255.0 (254 Usable Hosts)
/25 = 255.255.255.128 (126 Usable Hosts)
/26 = 255.255.255.192 (62 Usable Hosts)