54.230.28.0/25

Public

Class A — /25 prefix — 126 usable hosts

Network Address
54.230.28.0
Broadcast Address
54.230.28.127
Subnet Mask
255.255.255.128
Usable Hosts
126
First Usable IP
54.230.28.1
Last Usable IP
54.230.28.126
Total IPs
128
Prefix Length
/25

Network address — the base address of the block (54.230.28.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 54.230.28.127 are delivered to every device in the subnet. Also reserved — not assignable.

Usable hosts — the 126 addresses between those two that you can assign to servers, VMs, or interfaces.

Subnet mask255.255.255.128 is the dotted-decimal equivalent of /25. Older tools and Cisco configs use this format instead of CIDR slash notation.

Full Details

CIDR Notation 54.230.28.0/25
Network Address 54.230.28.0
Broadcast Address 54.230.28.127
Subnet Mask 255.255.255.128
Wildcard Mask 0.0.0.127
Prefix Length /25
IP Address Class Class A
Total IP Addresses 128
Usable Host Addresses 126
First Usable IP 54.230.28.1
Last Usable IP 54.230.28.126
Network (Hex) 0x36E61C00
Broadcast (Hex) 0x36E61C7F
Address Type Public / Globally Routable

Binary Representation

Network Address
00110110.11100110.00011100 00110110.11100110.00011100.00000000
Subnet Mask
11111111.11111111.11111111.10000000

The first 25 bits (1s in the mask) identify the network. The remaining 7 bits identify hosts within the network.

Split into Equal Subnets

Split 54.230.28.0/25 into 2 equal /26 subnets (62 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 54.230.28.0/26 54.230.28.0 54.230.28.1 54.230.28.62 54.230.28.63 62
2 54.230.28.64/26 54.230.28.64 54.230.28.65 54.230.28.126 54.230.28.127 62

IP Address Sample

Showing first 16 of 128 total IPs.

54.230.28.0 net
54.230.28.1
54.230.28.2
54.230.28.3
54.230.28.4
54.230.28.5
54.230.28.6
54.230.28.7
54.230.28.8
54.230.28.9
54.230.28.10
54.230.28.11
54.230.28.12
54.230.28.13
54.230.28.14
54.230.28.15
… 112 more IPs …

/25 Subnet Reference

Total IPs 128
Usable Hosts 126
Subnet Mask 255.255.255.128
Wildcard 0.0.0.127

Calculate Another