125.74.125.0/25

Public

Class A — /25 prefix — 126 usable hosts

Network Address
125.74.125.0
Broadcast Address
125.74.125.127
Subnet Mask
255.255.255.128
Usable Hosts
126
First Usable IP
125.74.125.1
Last Usable IP
125.74.125.126
Total IPs
128
Prefix Length
/25

Network address — the base address of the block (125.74.125.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 125.74.125.127 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 125.74.125.0/25
Network Address 125.74.125.0
Broadcast Address 125.74.125.127
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 125.74.125.1
Last Usable IP 125.74.125.126
Network (Hex) 0x7D4A7D00
Broadcast (Hex) 0x7D4A7D7F
Address Type Public / Globally Routable

Binary Representation

Network Address
01111101.01001010.01111101 01111101.01001010.01111101.00000000
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 125.74.125.0/25 into 2 equal /26 subnets (62 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 125.74.125.0/26 125.74.125.0 125.74.125.1 125.74.125.62 125.74.125.63 62
2 125.74.125.64/26 125.74.125.64 125.74.125.65 125.74.125.126 125.74.125.127 62

IP Address Sample

Showing first 16 of 128 total IPs.

125.74.125.0 net
125.74.125.1
125.74.125.2
125.74.125.3
125.74.125.4
125.74.125.5
125.74.125.6
125.74.125.7
125.74.125.8
125.74.125.9
125.74.125.10
125.74.125.11
125.74.125.12
125.74.125.13
125.74.125.14
125.74.125.15
… 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