54.55.159.0/25

Public

Class A — /25 prefix — 126 usable hosts

Network Address
54.55.159.0
Broadcast Address
54.55.159.127
Subnet Mask
255.255.255.128
Usable Hosts
126
First Usable IP
54.55.159.1
Last Usable IP
54.55.159.126
Total IPs
128
Prefix Length
/25

Network address — the base address of the block (54.55.159.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 54.55.159.127 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 54.55.159.0/25
Network Address 54.55.159.0
Broadcast Address 54.55.159.127
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 54.55.159.1
Last Usable IP 54.55.159.126
Network (Hex) 0x36379F00
Broadcast (Hex) 0x36379F7F
Address Type Public / Globally Routable

Binary Representation

Network Address
00110110.00110111.10011111 00110110.00110111.10011111.00000000
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 54.55.159.0/25 into 2 equal /26 subnets (62 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 54.55.159.0/26 54.55.159.0 54.55.159.1 54.55.159.62 54.55.159.63 62
2 54.55.159.64/26 54.55.159.64 54.55.159.65 54.55.159.126 54.55.159.127 62

IP Address Sample

Showing first 16 of 128 total IPs.

54.55.159.0 net
54.55.159.1
54.55.159.2
54.55.159.3
54.55.159.4
54.55.159.5
54.55.159.6
54.55.159.7
54.55.159.8
54.55.159.9
54.55.159.10
54.55.159.11
54.55.159.12
54.55.159.13
54.55.159.14
54.55.159.15
… 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