130.252.9.0/27

Public

Class B — /27 prefix — 30 usable hosts

Network Address
130.252.9.0
Broadcast Address
130.252.9.31
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
130.252.9.1
Last Usable IP
130.252.9.30
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (130.252.9.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 130.252.9.31 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 130.252.9.0/27
Network Address 130.252.9.0
Broadcast Address 130.252.9.31
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 130.252.9.1
Last Usable IP 130.252.9.30
Network (Hex) 0x82FC0900
Broadcast (Hex) 0x82FC091F
Address Type Public / Globally Routable

Binary Representation

Network Address
10000010.11111100.00001001 10000010.11111100.00001001.00000000
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 130.252.9.0/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 130.252.9.0/28 130.252.9.0 130.252.9.1 130.252.9.14 130.252.9.15 14
2 130.252.9.16/28 130.252.9.16 130.252.9.17 130.252.9.30 130.252.9.31 14

IP Address Sample

Showing first 16 of 32 total IPs.

130.252.9.0 net
130.252.9.1
130.252.9.2
130.252.9.3
130.252.9.4
130.252.9.5
130.252.9.6
130.252.9.7
130.252.9.8
130.252.9.9
130.252.9.10
130.252.9.11
130.252.9.12
130.252.9.13
130.252.9.14
130.252.9.15
… 16 more IPs …

/27 Subnet Reference

Total IPs 32
Usable Hosts 30
Subnet Mask 255.255.255.224
Wildcard 0.0.0.31

Calculate Another