13.252.45.0/25

Public

Class A — /25 prefix — 126 usable hosts

Network Address
13.252.45.0
Broadcast Address
13.252.45.127
Subnet Mask
255.255.255.128
Usable Hosts
126
First Usable IP
13.252.45.1
Last Usable IP
13.252.45.126
Total IPs
128
Prefix Length
/25

Network address — the base address of the block (13.252.45.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 13.252.45.127 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 13.252.45.0/25
Network Address 13.252.45.0
Broadcast Address 13.252.45.127
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 13.252.45.1
Last Usable IP 13.252.45.126
Network (Hex) 0x0DFC2D00
Broadcast (Hex) 0x0DFC2D7F
Address Type Public / Globally Routable

Binary Representation

Network Address
00001101.11111100.00101101 00001101.11111100.00101101.00000000
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 13.252.45.0/25 into 2 equal /26 subnets (62 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 13.252.45.0/26 13.252.45.0 13.252.45.1 13.252.45.62 13.252.45.63 62
2 13.252.45.64/26 13.252.45.64 13.252.45.65 13.252.45.126 13.252.45.127 62

IP Address Sample

Showing first 16 of 128 total IPs.

13.252.45.0 net
13.252.45.1
13.252.45.2
13.252.45.3
13.252.45.4
13.252.45.5
13.252.45.6
13.252.45.7
13.252.45.8
13.252.45.9
13.252.45.10
13.252.45.11
13.252.45.12
13.252.45.13
13.252.45.14
13.252.45.15
… 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