53.2.40.0/25

Public

Class A — /25 prefix — 126 usable hosts

Network Address
53.2.40.0
Broadcast Address
53.2.40.127
Subnet Mask
255.255.255.128
Usable Hosts
126
First Usable IP
53.2.40.1
Last Usable IP
53.2.40.126
Total IPs
128
Prefix Length
/25

Network address — the base address of the block (53.2.40.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 53.2.40.127 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 53.2.40.0/25
Network Address 53.2.40.0
Broadcast Address 53.2.40.127
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 53.2.40.1
Last Usable IP 53.2.40.126
Network (Hex) 0x35022800
Broadcast (Hex) 0x3502287F
Address Type Public / Globally Routable

Binary Representation

Network Address
00110101.00000010.00101000 00110101.00000010.00101000.00000000
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 53.2.40.0/25 into 2 equal /26 subnets (62 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 53.2.40.0/26 53.2.40.0 53.2.40.1 53.2.40.62 53.2.40.63 62
2 53.2.40.64/26 53.2.40.64 53.2.40.65 53.2.40.126 53.2.40.127 62

IP Address Sample

Showing first 16 of 128 total IPs.

53.2.40.0 net
53.2.40.1
53.2.40.2
53.2.40.3
53.2.40.4
53.2.40.5
53.2.40.6
53.2.40.7
53.2.40.8
53.2.40.9
53.2.40.10
53.2.40.11
53.2.40.12
53.2.40.13
53.2.40.14
53.2.40.15
… 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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