126.254.105.64/27

Public

Class A — /27 prefix — 30 usable hosts

Network Address
126.254.105.64
Broadcast Address
126.254.105.95
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
126.254.105.65
Last Usable IP
126.254.105.94
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (126.254.105.64). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 126.254.105.95 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 126.254.105.64/27
Network Address 126.254.105.64
Broadcast Address 126.254.105.95
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 126.254.105.65
Last Usable IP 126.254.105.94
Network (Hex) 0x7EFE6940
Broadcast (Hex) 0x7EFE695F
Address Type Public / Globally Routable

Binary Representation

Network Address
01111110.11111110.01101001 01111110.11111110.01101001.01000000
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 126.254.105.64/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 126.254.105.64/28 126.254.105.64 126.254.105.65 126.254.105.78 126.254.105.79 14
2 126.254.105.80/28 126.254.105.80 126.254.105.81 126.254.105.94 126.254.105.95 14

IP Address Sample

Showing first 16 of 32 total IPs.

126.254.105.64 net
126.254.105.65
126.254.105.66
126.254.105.67
126.254.105.68
126.254.105.69
126.254.105.70
126.254.105.71
126.254.105.72
126.254.105.73
126.254.105.74
126.254.105.75
126.254.105.76
126.254.105.77
126.254.105.78
126.254.105.79
… 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