● network/28 = Mask 255.255.255.240 • 14 Usable Hosts
/28 Subnet Mask (255.255.255.240): Usable Hosts (14), Wildcard & IPv4 Range
Instant /28 CIDR reference: Subnet Mask is 255.255.255.240, Wildcard 0.0.0.15, Total IPs 16, and 14 Usable Hosts. Ideal for Small Branch Office & Switch Management VLAN (14 Hosts).
⚡ Instant Calculated Answer
⚡Open Full Interactive Calculator (subnet-calculator) →/28 = Mask 255.255.255.240 • 14 Usable Hosts
📊Reference Table & Engineering Specs
| Parameter / Metric | Specification Value |
|---|---|
| CIDR Prefix Notation | /28 |
| Dotted-Decimal Subnet Mask | 255.255.255.240 |
| Wildcard Mask (OSPF / ACL) | 0.0.0.15 |
| Total IPv4 Addresses (2^4) | 16 IP |
| Total Usable Hosts (2^4 - 2) | 14 Host |
| Sample Network ID | 192.168.1.0/28 |
| Sample Usable Host Range | 192.168.1.1 – 192.168.1.14 |
| Sample Broadcast Address | 192.168.1.15 |
| Ideal Field Use Case | Segmen Kantor Cabang Kecil & Manajemen OLT/Switch (14 Host) |
📖Technical Explanation & Methodology
CIDR prefix /28 allocates 28 network bits and leaves 4 host bits (32 - 28 = 4). Using 2^4, each /28 block contains 16 total IPs and 14 usable host addresses (Small Branch Office & Switch Management VLAN (14 Hosts)).
💻 Ready-to-Deploy CLI Snippet:
/ip address add address=192.168.1.1/28 interface=bridge-lan comment="Subnet /28 (14 Host) - KalkuNet.com"❓Frequently Asked Questions (FAQ)
What is the Subnet Mask for /28?
The dotted-decimal Subnet Mask for /28 is 255.255.255.240 with a Wildcard Mask of 0.0.0.15.
How many usable hosts are in a /28 network?
A /28 subnet provides 16 total IPs and 14 usable hosts.
🔗Other Related Scenarios
/32 = Mask 255.255.255.255 • 1 Usable Hosts
/32 Subnet Mask (255.255.255.255): Usable Hosts (1), Wildcard & IPv4 Range
/30 = Mask 255.255.255.252 • 2 Usable Hosts
/30 Subnet Mask (255.255.255.252): Usable Hosts (2), Wildcard & IPv4 Range
/29 = Mask 255.255.255.248 • 6 Usable Hosts
/29 Subnet Mask (255.255.255.248): Usable Hosts (6), Wildcard & IPv4 Range
/27 = Mask 255.255.255.224 • 30 Usable Hosts
/27 Subnet Mask (255.255.255.224): Usable Hosts (30), Wildcard & IPv4 Range