131.9.230.0/27

Public

Class B — /27 prefix — 30 usable hosts

Network Address
131.9.230.0
Broadcast Address
131.9.230.31
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
131.9.230.1
Last Usable IP
131.9.230.30
Total IPs
32
Prefix Length
/27

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 131.9.230.31 are delivered to every device in the subnet. Also reserved — not assignable.

Usable hosts — the 30 addresses between those two that you can assign to servers, VMs, or interfaces.

Subnet mask255.255.255.224 is the dotted-decimal equivalent of /27. Older tools and Cisco configs use this format instead of CIDR slash notation.

Full Details

CIDR Notation 131.9.230.0/27
Network Address 131.9.230.0
Broadcast Address 131.9.230.31
Subnet Mask 255.255.255.224
Wildcard Mask 0.0.0.31
Prefix Length /27
IP Address Class Class B
Total IP Addresses 32
Usable Host Addresses 30
First Usable IP 131.9.230.1
Last Usable IP 131.9.230.30
Network (Hex) 0x8309E600
Broadcast (Hex) 0x8309E61F
Address Type Public / Globally Routable

Binary Representation

Network Address
10000011.00001001.11100110 10000011.00001001.11100110.00000000
Subnet Mask
11111111.11111111.11111111.11100000

The first 27 bits (1s in the mask) identify the network. The remaining 5 bits identify hosts within the network.

Split into Equal Subnets

Split 131.9.230.0/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 131.9.230.0/28 131.9.230.0 131.9.230.1 131.9.230.14 131.9.230.15 14
2 131.9.230.16/28 131.9.230.16 131.9.230.17 131.9.230.30 131.9.230.31 14

IP Address Sample

Showing first 16 of 32 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
… 16 more IPs …

/27 Subnet Reference

Total IPs 32
Usable Hosts 30
Subnet Mask 255.255.255.224
Wildcard 0.0.0.31

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