255.209.48.0/27

Public

Class E (Reserved) — /27 prefix — 30 usable hosts

Network Address
255.209.48.0
Broadcast Address
255.209.48.31
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
255.209.48.1
Last Usable IP
255.209.48.30
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (255.209.48.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 255.209.48.31 are delivered to every device in the subnet. Also reserved — not assignable.

Usable hosts — the 30 addresses between those two that you can assign to servers, VMs, or interfaces.

Subnet mask255.255.255.224 is the dotted-decimal equivalent of /27. Older tools and Cisco configs use this format instead of CIDR slash notation.

Full Details

CIDR Notation 255.209.48.0/27
Network Address 255.209.48.0
Broadcast Address 255.209.48.31
Subnet Mask 255.255.255.224
Wildcard Mask 0.0.0.31
Prefix Length /27
IP Address Class Class E (Reserved)
Total IP Addresses 32
Usable Host Addresses 30
First Usable IP 255.209.48.1
Last Usable IP 255.209.48.30
Network (Hex) 0xFFD13000
Broadcast (Hex) 0xFFD1301F
Address Type Public / Globally Routable

Binary Representation

Network Address
11111111.11010001.00110000 11111111.11010001.00110000.00000000
Subnet Mask
11111111.11111111.11111111.11100000

The first 27 bits (1s in the mask) identify the network. The remaining 5 bits identify hosts within the network.

Split into Equal Subnets

Split 255.209.48.0/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 255.209.48.0/28 255.209.48.0 255.209.48.1 255.209.48.14 255.209.48.15 14
2 255.209.48.16/28 255.209.48.16 255.209.48.17 255.209.48.30 255.209.48.31 14

IP Address Sample

Showing first 16 of 32 total IPs.

255.209.48.0 net
255.209.48.1
255.209.48.2
255.209.48.3
255.209.48.4
255.209.48.5
255.209.48.6
255.209.48.7
255.209.48.8
255.209.48.9
255.209.48.10
255.209.48.11
255.209.48.12
255.209.48.13
255.209.48.14
255.209.48.15
… 16 more IPs …

/27 Subnet Reference

Total IPs 32
Usable Hosts 30
Subnet Mask 255.255.255.224
Wildcard 0.0.0.31

Calculate Another