131.9.230.0/26

Public

Class B — /26 prefix — 62 usable hosts

Network Address
131.9.230.0
Broadcast Address
131.9.230.63
Subnet Mask
255.255.255.192
Usable Hosts
62
First Usable IP
131.9.230.1
Last Usable IP
131.9.230.62
Total IPs
64
Prefix Length
/26

Network address — the base address of the block (131.9.230.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 131.9.230.63 are delivered to every device in the subnet. Also reserved — not assignable.

Usable hosts — the 62 addresses between those two that you can assign to servers, VMs, or interfaces.

Subnet mask255.255.255.192 is the dotted-decimal equivalent of /26. Older tools and Cisco configs use this format instead of CIDR slash notation.

Full Details

CIDR Notation 131.9.230.0/26
Network Address 131.9.230.0
Broadcast Address 131.9.230.63
Subnet Mask 255.255.255.192
Wildcard Mask 0.0.0.63
Prefix Length /26
IP Address Class Class B
Total IP Addresses 64
Usable Host Addresses 62
First Usable IP 131.9.230.1
Last Usable IP 131.9.230.62
Network (Hex) 0x8309E600
Broadcast (Hex) 0x8309E63F
Address Type Public / Globally Routable

Binary Representation

Network Address
10000011.00001001.11100110 10000011.00001001.11100110.00000000
Subnet Mask
11111111.11111111.11111111.11000000

The first 26 bits (1s in the mask) identify the network. The remaining 6 bits identify hosts within the network.

Split into Equal Subnets

Split 131.9.230.0/26 into 2 equal /27 subnets (30 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 131.9.230.0/27 131.9.230.0 131.9.230.1 131.9.230.30 131.9.230.31 30
2 131.9.230.32/27 131.9.230.32 131.9.230.33 131.9.230.62 131.9.230.63 30

IP Address Sample

Showing first 16 of 64 total IPs.

131.9.230.0 net
131.9.230.1
131.9.230.2
131.9.230.3
131.9.230.4
131.9.230.5
131.9.230.6
131.9.230.7
131.9.230.8
131.9.230.9
131.9.230.10
131.9.230.11
131.9.230.12
131.9.230.13
131.9.230.14
131.9.230.15
… 48 more IPs …

/26 Subnet Reference

Total IPs 64
Usable Hosts 62
Subnet Mask 255.255.255.192
Wildcard 0.0.0.63

Calculate Another