67.255.90.0/25

Public

Class A — /25 prefix — 126 usable hosts

Network Address
67.255.90.0
Broadcast Address
67.255.90.127
Subnet Mask
255.255.255.128
Usable Hosts
126
First Usable IP
67.255.90.1
Last Usable IP
67.255.90.126
Total IPs
128
Prefix Length
/25

Network address — the base address of the block (67.255.90.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 67.255.90.127 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 67.255.90.0/25
Network Address 67.255.90.0
Broadcast Address 67.255.90.127
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 67.255.90.1
Last Usable IP 67.255.90.126
Network (Hex) 0x43FF5A00
Broadcast (Hex) 0x43FF5A7F
Address Type Public / Globally Routable

Binary Representation

Network Address
01000011.11111111.01011010 01000011.11111111.01011010.00000000
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 67.255.90.0/25 into 2 equal /26 subnets (62 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 67.255.90.0/26 67.255.90.0 67.255.90.1 67.255.90.62 67.255.90.63 62
2 67.255.90.64/26 67.255.90.64 67.255.90.65 67.255.90.126 67.255.90.127 62

IP Address Sample

Showing first 16 of 128 total IPs.

67.255.90.0 net
67.255.90.1
67.255.90.2
67.255.90.3
67.255.90.4
67.255.90.5
67.255.90.6
67.255.90.7
67.255.90.8
67.255.90.9
67.255.90.10
67.255.90.11
67.255.90.12
67.255.90.13
67.255.90.14
67.255.90.15
… 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