65.9.50.128/27

Public

Class A — /27 prefix — 30 usable hosts

Network Address
65.9.50.128
Broadcast Address
65.9.50.159
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
65.9.50.129
Last Usable IP
65.9.50.158
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (65.9.50.128). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 65.9.50.159 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 65.9.50.128/27
Network Address 65.9.50.128
Broadcast Address 65.9.50.159
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 65.9.50.129
Last Usable IP 65.9.50.158
Network (Hex) 0x41093280
Broadcast (Hex) 0x4109329F
Address Type Public / Globally Routable

Binary Representation

Network Address
01000001.00001001.00110010 01000001.00001001.00110010.10000000
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 65.9.50.128/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 65.9.50.128/28 65.9.50.128 65.9.50.129 65.9.50.142 65.9.50.143 14
2 65.9.50.144/28 65.9.50.144 65.9.50.145 65.9.50.158 65.9.50.159 14

IP Address Sample

Showing first 16 of 32 total IPs.

65.9.50.128 net
65.9.50.129
65.9.50.130
65.9.50.131
65.9.50.132
65.9.50.133
65.9.50.134
65.9.50.135
65.9.50.136
65.9.50.137
65.9.50.138
65.9.50.139
65.9.50.140
65.9.50.141
65.9.50.142
65.9.50.143
… 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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