31.194.205.0/27

Public

Class A — /27 prefix — 30 usable hosts

Network Address
31.194.205.0
Broadcast Address
31.194.205.31
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
31.194.205.1
Last Usable IP
31.194.205.30
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (31.194.205.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 31.194.205.31 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 31.194.205.0/27
Network Address 31.194.205.0
Broadcast Address 31.194.205.31
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 31.194.205.1
Last Usable IP 31.194.205.30
Network (Hex) 0x1FC2CD00
Broadcast (Hex) 0x1FC2CD1F
Address Type Public / Globally Routable

Binary Representation

Network Address
00011111.11000010.11001101 00011111.11000010.11001101.00000000
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 31.194.205.0/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 31.194.205.0/28 31.194.205.0 31.194.205.1 31.194.205.14 31.194.205.15 14
2 31.194.205.16/28 31.194.205.16 31.194.205.17 31.194.205.30 31.194.205.31 14

IP Address Sample

Showing first 16 of 32 total IPs.

31.194.205.0 net
31.194.205.1
31.194.205.2
31.194.205.3
31.194.205.4
31.194.205.5
31.194.205.6
31.194.205.7
31.194.205.8
31.194.205.9
31.194.205.10
31.194.205.11
31.194.205.12
31.194.205.13
31.194.205.14
31.194.205.15
… 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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