11.54.140.0/25

Public

Class A — /25 prefix — 126 usable hosts

Network Address
11.54.140.0
Broadcast Address
11.54.140.127
Subnet Mask
255.255.255.128
Usable Hosts
126
First Usable IP
11.54.140.1
Last Usable IP
11.54.140.126
Total IPs
128
Prefix Length
/25

Network address — the base address of the block (11.54.140.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 11.54.140.127 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 11.54.140.0/25
Network Address 11.54.140.0
Broadcast Address 11.54.140.127
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 11.54.140.1
Last Usable IP 11.54.140.126
Network (Hex) 0x0B368C00
Broadcast (Hex) 0x0B368C7F
Address Type Public / Globally Routable

Binary Representation

Network Address
00001011.00110110.10001100 00001011.00110110.10001100.00000000
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 11.54.140.0/25 into 2 equal /26 subnets (62 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 11.54.140.0/26 11.54.140.0 11.54.140.1 11.54.140.62 11.54.140.63 62
2 11.54.140.64/26 11.54.140.64 11.54.140.65 11.54.140.126 11.54.140.127 62

IP Address Sample

Showing first 16 of 128 total IPs.

11.54.140.0 net
11.54.140.1
11.54.140.2
11.54.140.3
11.54.140.4
11.54.140.5
11.54.140.6
11.54.140.7
11.54.140.8
11.54.140.9
11.54.140.10
11.54.140.11
11.54.140.12
11.54.140.13
11.54.140.14
11.54.140.15
… 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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