202.30.20.32/27

Public

Class C — /27 prefix — 30 usable hosts

Network Address
202.30.20.32
Broadcast Address
202.30.20.63
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
202.30.20.33
Last Usable IP
202.30.20.62
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (202.30.20.32). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 202.30.20.63 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 202.30.20.32/27
Network Address 202.30.20.32
Broadcast Address 202.30.20.63
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 202.30.20.33
Last Usable IP 202.30.20.62
Network (Hex) 0xCA1E1420
Broadcast (Hex) 0xCA1E143F
Address Type Public / Globally Routable

Binary Representation

Network Address
11001010.00011110.00010100 11001010.00011110.00010100.00100000
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 202.30.20.32/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 202.30.20.32/28 202.30.20.32 202.30.20.33 202.30.20.46 202.30.20.47 14
2 202.30.20.48/28 202.30.20.48 202.30.20.49 202.30.20.62 202.30.20.63 14

IP Address Sample

Showing first 16 of 32 total IPs.

202.30.20.32 net
202.30.20.33
202.30.20.34
202.30.20.35
202.30.20.36
202.30.20.37
202.30.20.38
202.30.20.39
202.30.20.40
202.30.20.41
202.30.20.42
202.30.20.43
202.30.20.44
202.30.20.45
202.30.20.46
202.30.20.47
… 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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