255.63.89.0/27

Public

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

Network Address
255.63.89.0
Broadcast Address
255.63.89.31
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
255.63.89.1
Last Usable IP
255.63.89.30
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (255.63.89.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 255.63.89.31 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 255.63.89.0/27
Network Address 255.63.89.0
Broadcast Address 255.63.89.31
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 255.63.89.1
Last Usable IP 255.63.89.30
Network (Hex) 0xFF3F5900
Broadcast (Hex) 0xFF3F591F
Address Type Public / Globally Routable

Binary Representation

Network Address
11111111.00111111.01011001 11111111.00111111.01011001.00000000
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 255.63.89.0/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 255.63.89.0/28 255.63.89.0 255.63.89.1 255.63.89.14 255.63.89.15 14
2 255.63.89.16/28 255.63.89.16 255.63.89.17 255.63.89.30 255.63.89.31 14

IP Address Sample

Showing first 16 of 32 total IPs.

255.63.89.0 net
255.63.89.1
255.63.89.2
255.63.89.3
255.63.89.4
255.63.89.5
255.63.89.6
255.63.89.7
255.63.89.8
255.63.89.9
255.63.89.10
255.63.89.11
255.63.89.12
255.63.89.13
255.63.89.14
255.63.89.15
… 16 more IPs …

/27 Subnet Reference

Total IPs 32
Usable Hosts 30
Subnet Mask 255.255.255.224
Wildcard 0.0.0.31

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