125.91.223.0/25

Public

Class A — /25 prefix — 126 usable hosts

Network Address
125.91.223.0
Broadcast Address
125.91.223.127
Subnet Mask
255.255.255.128
Usable Hosts
126
First Usable IP
125.91.223.1
Last Usable IP
125.91.223.126
Total IPs
128
Prefix Length
/25

Network address — the base address of the block (125.91.223.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 125.91.223.127 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 125.91.223.0/25
Network Address 125.91.223.0
Broadcast Address 125.91.223.127
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 125.91.223.1
Last Usable IP 125.91.223.126
Network (Hex) 0x7D5BDF00
Broadcast (Hex) 0x7D5BDF7F
Address Type Public / Globally Routable

Binary Representation

Network Address
01111101.01011011.11011111 01111101.01011011.11011111.00000000
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 125.91.223.0/25 into 2 equal /26 subnets (62 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 125.91.223.0/26 125.91.223.0 125.91.223.1 125.91.223.62 125.91.223.63 62
2 125.91.223.64/26 125.91.223.64 125.91.223.65 125.91.223.126 125.91.223.127 62

IP Address Sample

Showing first 16 of 128 total IPs.

125.91.223.0 net
125.91.223.1
125.91.223.2
125.91.223.3
125.91.223.4
125.91.223.5
125.91.223.6
125.91.223.7
125.91.223.8
125.91.223.9
125.91.223.10
125.91.223.11
125.91.223.12
125.91.223.13
125.91.223.14
125.91.223.15
… 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