202.215.123.0/27

Public

Class C — /27 prefix — 30 usable hosts

Network Address
202.215.123.0
Broadcast Address
202.215.123.31
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
202.215.123.1
Last Usable IP
202.215.123.30
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (202.215.123.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 202.215.123.31 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 202.215.123.0/27
Network Address 202.215.123.0
Broadcast Address 202.215.123.31
Subnet Mask 255.255.255.224
Wildcard Mask 0.0.0.31
Prefix Length /27
IP Address Class Class C
Total IP Addresses 32
Usable Host Addresses 30
First Usable IP 202.215.123.1
Last Usable IP 202.215.123.30
Network (Hex) 0xCAD77B00
Broadcast (Hex) 0xCAD77B1F
Address Type Public / Globally Routable

Binary Representation

Network Address
11001010.11010111.01111011 11001010.11010111.01111011.00000000
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 202.215.123.0/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 202.215.123.0/28 202.215.123.0 202.215.123.1 202.215.123.14 202.215.123.15 14
2 202.215.123.16/28 202.215.123.16 202.215.123.17 202.215.123.30 202.215.123.31 14

IP Address Sample

Showing first 16 of 32 total IPs.

202.215.123.0 net
202.215.123.1
202.215.123.2
202.215.123.3
202.215.123.4
202.215.123.5
202.215.123.6
202.215.123.7
202.215.123.8
202.215.123.9
202.215.123.10
202.215.123.11
202.215.123.12
202.215.123.13
202.215.123.14
202.215.123.15
… 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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