131.79.96.0/25

Public

Class B — /25 prefix — 126 usable hosts

Network Address
131.79.96.0
Broadcast Address
131.79.96.127
Subnet Mask
255.255.255.128
Usable Hosts
126
First Usable IP
131.79.96.1
Last Usable IP
131.79.96.126
Total IPs
128
Prefix Length
/25

Network address — the base address of the block (131.79.96.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 131.79.96.127 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 131.79.96.0/25
Network Address 131.79.96.0
Broadcast Address 131.79.96.127
Subnet Mask 255.255.255.128
Wildcard Mask 0.0.0.127
Prefix Length /25
IP Address Class Class B
Total IP Addresses 128
Usable Host Addresses 126
First Usable IP 131.79.96.1
Last Usable IP 131.79.96.126
Network (Hex) 0x834F6000
Broadcast (Hex) 0x834F607F
Address Type Public / Globally Routable

Binary Representation

Network Address
10000011.01001111.01100000 10000011.01001111.01100000.00000000
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 131.79.96.0/25 into 2 equal /26 subnets (62 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 131.79.96.0/26 131.79.96.0 131.79.96.1 131.79.96.62 131.79.96.63 62
2 131.79.96.64/26 131.79.96.64 131.79.96.65 131.79.96.126 131.79.96.127 62

IP Address Sample

Showing first 16 of 128 total IPs.

131.79.96.0 net
131.79.96.1
131.79.96.2
131.79.96.3
131.79.96.4
131.79.96.5
131.79.96.6
131.79.96.7
131.79.96.8
131.79.96.9
131.79.96.10
131.79.96.11
131.79.96.12
131.79.96.13
131.79.96.14
131.79.96.15
… 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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