31.205.63.32/27

Public

Class A — /27 prefix — 30 usable hosts

Network Address
31.205.63.32
Broadcast Address
31.205.63.63
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
31.205.63.33
Last Usable IP
31.205.63.62
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (31.205.63.32). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 31.205.63.63 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 31.205.63.32/27
Network Address 31.205.63.32
Broadcast Address 31.205.63.63
Subnet Mask 255.255.255.224
Wildcard Mask 0.0.0.31
Prefix Length /27
IP Address Class Class A
Total IP Addresses 32
Usable Host Addresses 30
First Usable IP 31.205.63.33
Last Usable IP 31.205.63.62
Network (Hex) 0x1FCD3F20
Broadcast (Hex) 0x1FCD3F3F
Address Type Public / Globally Routable

Binary Representation

Network Address
00011111.11001101.00111111 00011111.11001101.00111111.00100000
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 31.205.63.32/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 31.205.63.32/28 31.205.63.32 31.205.63.33 31.205.63.46 31.205.63.47 14
2 31.205.63.48/28 31.205.63.48 31.205.63.49 31.205.63.62 31.205.63.63 14

IP Address Sample

Showing first 16 of 32 total IPs.

31.205.63.32 net
31.205.63.33
31.205.63.34
31.205.63.35
31.205.63.36
31.205.63.37
31.205.63.38
31.205.63.39
31.205.63.40
31.205.63.41
31.205.63.42
31.205.63.43
31.205.63.44
31.205.63.45
31.205.63.46
31.205.63.47
… 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