54.206.135.0/25

Public

Class A — /25 prefix — 126 usable hosts

Network Address
54.206.135.0
Broadcast Address
54.206.135.127
Subnet Mask
255.255.255.128
Usable Hosts
126
First Usable IP
54.206.135.1
Last Usable IP
54.206.135.126
Total IPs
128
Prefix Length
/25

Network address — the base address of the block (54.206.135.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 54.206.135.127 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 54.206.135.0/25
Network Address 54.206.135.0
Broadcast Address 54.206.135.127
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 54.206.135.1
Last Usable IP 54.206.135.126
Network (Hex) 0x36CE8700
Broadcast (Hex) 0x36CE877F
Address Type Public / Globally Routable

Binary Representation

Network Address
00110110.11001110.10000111 00110110.11001110.10000111.00000000
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 54.206.135.0/25 into 2 equal /26 subnets (62 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 54.206.135.0/26 54.206.135.0 54.206.135.1 54.206.135.62 54.206.135.63 62
2 54.206.135.64/26 54.206.135.64 54.206.135.65 54.206.135.126 54.206.135.127 62

IP Address Sample

Showing first 16 of 128 total IPs.

54.206.135.0 net
54.206.135.1
54.206.135.2
54.206.135.3
54.206.135.4
54.206.135.5
54.206.135.6
54.206.135.7
54.206.135.8
54.206.135.9
54.206.135.10
54.206.135.11
54.206.135.12
54.206.135.13
54.206.135.14
54.206.135.15
… 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