54.218.192.0/25

Public

Class A — /25 prefix — 126 usable hosts

Network Address
54.218.192.0
Broadcast Address
54.218.192.127
Subnet Mask
255.255.255.128
Usable Hosts
126
First Usable IP
54.218.192.1
Last Usable IP
54.218.192.126
Total IPs
128
Prefix Length
/25

Network address — the base address of the block (54.218.192.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 54.218.192.127 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 54.218.192.0/25
Network Address 54.218.192.0
Broadcast Address 54.218.192.127
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 54.218.192.1
Last Usable IP 54.218.192.126
Network (Hex) 0x36DAC000
Broadcast (Hex) 0x36DAC07F
Address Type Public / Globally Routable

Binary Representation

Network Address
00110110.11011010.11000000 00110110.11011010.11000000.00000000
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 54.218.192.0/25 into 2 equal /26 subnets (62 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 54.218.192.0/26 54.218.192.0 54.218.192.1 54.218.192.62 54.218.192.63 62
2 54.218.192.64/26 54.218.192.64 54.218.192.65 54.218.192.126 54.218.192.127 62

IP Address Sample

Showing first 16 of 128 total IPs.

54.218.192.0 net
54.218.192.1
54.218.192.2
54.218.192.3
54.218.192.4
54.218.192.5
54.218.192.6
54.218.192.7
54.218.192.8
54.218.192.9
54.218.192.10
54.218.192.11
54.218.192.12
54.218.192.13
54.218.192.14
54.218.192.15
… 112 more IPs …

/25 Subnet Reference

Total IPs 128
Usable Hosts 126
Subnet Mask 255.255.255.128
Wildcard 0.0.0.127

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