188.252.123.0/27

Public

Class B — /27 prefix — 30 usable hosts

Network Address
188.252.123.0
Broadcast Address
188.252.123.31
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
188.252.123.1
Last Usable IP
188.252.123.30
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (188.252.123.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 188.252.123.31 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 188.252.123.0/27
Network Address 188.252.123.0
Broadcast Address 188.252.123.31
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 188.252.123.1
Last Usable IP 188.252.123.30
Network (Hex) 0xBCFC7B00
Broadcast (Hex) 0xBCFC7B1F
Address Type Public / Globally Routable

Binary Representation

Network Address
10111100.11111100.01111011 10111100.11111100.01111011.00000000
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 188.252.123.0/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 188.252.123.0/28 188.252.123.0 188.252.123.1 188.252.123.14 188.252.123.15 14
2 188.252.123.16/28 188.252.123.16 188.252.123.17 188.252.123.30 188.252.123.31 14

IP Address Sample

Showing first 16 of 32 total IPs.

188.252.123.0 net
188.252.123.1
188.252.123.2
188.252.123.3
188.252.123.4
188.252.123.5
188.252.123.6
188.252.123.7
188.252.123.8
188.252.123.9
188.252.123.10
188.252.123.11
188.252.123.12
188.252.123.13
188.252.123.14
188.252.123.15
… 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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