23.91.59.0/27

Public

Class A — /27 prefix — 30 usable hosts

Network Address
23.91.59.0
Broadcast Address
23.91.59.31
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
23.91.59.1
Last Usable IP
23.91.59.30
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (23.91.59.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 23.91.59.31 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 23.91.59.0/27
Network Address 23.91.59.0
Broadcast Address 23.91.59.31
Subnet Mask 255.255.255.224
Wildcard Mask 0.0.0.31
Prefix Length /27
IP Address Class Class A
Total IP Addresses 32
Usable Host Addresses 30
First Usable IP 23.91.59.1
Last Usable IP 23.91.59.30
Network (Hex) 0x175B3B00
Broadcast (Hex) 0x175B3B1F
Address Type Public / Globally Routable

Binary Representation

Network Address
00010111.01011011.00111011 00010111.01011011.00111011.00000000
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 23.91.59.0/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 23.91.59.0/28 23.91.59.0 23.91.59.1 23.91.59.14 23.91.59.15 14
2 23.91.59.16/28 23.91.59.16 23.91.59.17 23.91.59.30 23.91.59.31 14

IP Address Sample

Showing first 16 of 32 total IPs.

23.91.59.0 net
23.91.59.1
23.91.59.2
23.91.59.3
23.91.59.4
23.91.59.5
23.91.59.6
23.91.59.7
23.91.59.8
23.91.59.9
23.91.59.10
23.91.59.11
23.91.59.12
23.91.59.13
23.91.59.14
23.91.59.15
… 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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