204.246.115.128/27

Public

Class C — /27 prefix — 30 usable hosts

Network Address
204.246.115.128
Broadcast Address
204.246.115.159
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
204.246.115.129
Last Usable IP
204.246.115.158
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (204.246.115.128). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 204.246.115.159 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 204.246.115.128/27
Network Address 204.246.115.128
Broadcast Address 204.246.115.159
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 204.246.115.129
Last Usable IP 204.246.115.158
Network (Hex) 0xCCF67380
Broadcast (Hex) 0xCCF6739F
Address Type Public / Globally Routable

Binary Representation

Network Address
11001100.11110110.01110011 11001100.11110110.01110011.10000000
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 204.246.115.128/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 204.246.115.128/28 204.246.115.128 204.246.115.129 204.246.115.142 204.246.115.143 14
2 204.246.115.144/28 204.246.115.144 204.246.115.145 204.246.115.158 204.246.115.159 14

IP Address Sample

Showing first 16 of 32 total IPs.

204.246.115.128 net
204.246.115.129
204.246.115.130
204.246.115.131
204.246.115.132
204.246.115.133
204.246.115.134
204.246.115.135
204.246.115.136
204.246.115.137
204.246.115.138
204.246.115.139
204.246.115.140
204.246.115.141
204.246.115.142
204.246.115.143
… 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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