● network/23 = Mask 255.255.254.0 • 510 Usable Hosts
/23 Subnet Mask (255.255.254.0): Usable Hosts (510), Wildcard & IPv4 Range
Instant /23 CIDR reference: Subnet Mask is 255.255.254.0, Wildcard 0.0.1.255, Total IPs 512, and 510 Usable Hosts. Ideal for Hotel/Campus Hotspot & Dual /24 Supernet (510 Hosts).
⚡ Instant Calculated Answer
⚡Open Full Interactive Calculator (subnet-calculator) →/23 = Mask 255.255.254.0 • 510 Usable Hosts
📊Reference Table & Engineering Specs
| Parameter / Metric | Specification Value |
|---|---|
| CIDR Prefix Notation | /23 |
| Dotted-Decimal Subnet Mask | 255.255.254.0 |
| Wildcard Mask (OSPF / ACL) | 0.0.1.255 |
| Total IPv4 Addresses (2^9) | 512 IP |
| Total Usable Hosts (2^9 - 2) | 510 Host |
| Sample Network ID | 10.10.0.0/23 |
| Sample Usable Host Range | 10.10.0.1 – 10.10.1.254 |
| Sample Broadcast Address | 10.10.1.255 |
| Ideal Field Use Case | Hotspot Kampus/Hotel & Agregasi 2 Blok /24 (510 Host) |
📖Technical Explanation & Methodology
CIDR prefix /23 allocates 23 network bits and leaves 9 host bits (32 - 23 = 9). Using 2^9, each /23 block contains 512 total IPs and 510 usable host addresses (Hotel/Campus Hotspot & Dual /24 Supernet (510 Hosts)).
💻 Ready-to-Deploy CLI Snippet:
/ip address add address=10.10.0.1/23 interface=bridge-lan comment="Subnet /23 (510 Host) - KalkuNet.com"❓Frequently Asked Questions (FAQ)
What is the Subnet Mask for /23?
The dotted-decimal Subnet Mask for /23 is 255.255.254.0 with a Wildcard Mask of 0.0.1.255.
How many usable hosts are in a /23 network?
A /23 subnet provides 512 total IPs and 510 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
/28 = Mask 255.255.255.240 • 14 Usable Hosts
/28 Subnet Mask (255.255.255.240): Usable Hosts (14), Wildcard & IPv4 Range