254.45.125.64/27

Public

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

Network Address
254.45.125.64
Broadcast Address
254.45.125.95
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
254.45.125.65
Last Usable IP
254.45.125.94
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (254.45.125.64). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 254.45.125.95 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 254.45.125.64/27
Network Address 254.45.125.64
Broadcast Address 254.45.125.95
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 254.45.125.65
Last Usable IP 254.45.125.94
Network (Hex) 0xFE2D7D40
Broadcast (Hex) 0xFE2D7D5F
Address Type Public / Globally Routable

Binary Representation

Network Address
11111110.00101101.01111101 11111110.00101101.01111101.01000000
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 254.45.125.64/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 254.45.125.64/28 254.45.125.64 254.45.125.65 254.45.125.78 254.45.125.79 14
2 254.45.125.80/28 254.45.125.80 254.45.125.81 254.45.125.94 254.45.125.95 14

IP Address Sample

Showing first 16 of 32 total IPs.

254.45.125.64 net
254.45.125.65
254.45.125.66
254.45.125.67
254.45.125.68
254.45.125.69
254.45.125.70
254.45.125.71
254.45.125.72
254.45.125.73
254.45.125.74
254.45.125.75
254.45.125.76
254.45.125.77
254.45.125.78
254.45.125.79
… 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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