65.7.6.0/25

Public

Class A — /25 prefix — 126 usable hosts

Network Address
65.7.6.0
Broadcast Address
65.7.6.127
Subnet Mask
255.255.255.128
Usable Hosts
126
First Usable IP
65.7.6.1
Last Usable IP
65.7.6.126
Total IPs
128
Prefix Length
/25

Network address — the base address of the block (65.7.6.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 65.7.6.127 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 65.7.6.0/25
Network Address 65.7.6.0
Broadcast Address 65.7.6.127
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 65.7.6.1
Last Usable IP 65.7.6.126
Network (Hex) 0x41070600
Broadcast (Hex) 0x4107067F
Address Type Public / Globally Routable

Binary Representation

Network Address
01000001.00000111.00000110 01000001.00000111.00000110.00000000
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 65.7.6.0/25 into 2 equal /26 subnets (62 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 65.7.6.0/26 65.7.6.0 65.7.6.1 65.7.6.62 65.7.6.63 62
2 65.7.6.64/26 65.7.6.64 65.7.6.65 65.7.6.126 65.7.6.127 62

IP Address Sample

Showing first 16 of 128 total IPs.

65.7.6.0 net
65.7.6.1
65.7.6.2
65.7.6.3
65.7.6.4
65.7.6.5
65.7.6.6
65.7.6.7
65.7.6.8
65.7.6.9
65.7.6.10
65.7.6.11
65.7.6.12
65.7.6.13
65.7.6.14
65.7.6.15
… 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