31.234.210.0/27

Public

Class A — /27 prefix — 30 usable hosts

Network Address
31.234.210.0
Broadcast Address
31.234.210.31
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
31.234.210.1
Last Usable IP
31.234.210.30
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (31.234.210.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 31.234.210.31 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 31.234.210.0/27
Network Address 31.234.210.0
Broadcast Address 31.234.210.31
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 31.234.210.1
Last Usable IP 31.234.210.30
Network (Hex) 0x1FEAD200
Broadcast (Hex) 0x1FEAD21F
Address Type Public / Globally Routable

Binary Representation

Network Address
00011111.11101010.11010010 00011111.11101010.11010010.00000000
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 31.234.210.0/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 31.234.210.0/28 31.234.210.0 31.234.210.1 31.234.210.14 31.234.210.15 14
2 31.234.210.16/28 31.234.210.16 31.234.210.17 31.234.210.30 31.234.210.31 14

IP Address Sample

Showing first 16 of 32 total IPs.

31.234.210.0 net
31.234.210.1
31.234.210.2
31.234.210.3
31.234.210.4
31.234.210.5
31.234.210.6
31.234.210.7
31.234.210.8
31.234.210.9
31.234.210.10
31.234.210.11
31.234.210.12
31.234.210.13
31.234.210.14
31.234.210.15
… 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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