172.130.233.0/27

Public

Class B — /27 prefix — 30 usable hosts

Network Address
172.130.233.0
Broadcast Address
172.130.233.31
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
172.130.233.1
Last Usable IP
172.130.233.30
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (172.130.233.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 172.130.233.31 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 172.130.233.0/27
Network Address 172.130.233.0
Broadcast Address 172.130.233.31
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 172.130.233.1
Last Usable IP 172.130.233.30
Network (Hex) 0xAC82E900
Broadcast (Hex) 0xAC82E91F
Address Type Public / Globally Routable

Binary Representation

Network Address
10101100.10000010.11101001 10101100.10000010.11101001.00000000
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 172.130.233.0/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 172.130.233.0/28 172.130.233.0 172.130.233.1 172.130.233.14 172.130.233.15 14
2 172.130.233.16/28 172.130.233.16 172.130.233.17 172.130.233.30 172.130.233.31 14

IP Address Sample

Showing first 16 of 32 total IPs.

172.130.233.0 net
172.130.233.1
172.130.233.2
172.130.233.3
172.130.233.4
172.130.233.5
172.130.233.6
172.130.233.7
172.130.233.8
172.130.233.9
172.130.233.10
172.130.233.11
172.130.233.12
172.130.233.13
172.130.233.14
172.130.233.15
… 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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