34.2.15.64/27

Public

Class A — /27 prefix — 30 usable hosts

Network Address
34.2.15.64
Broadcast Address
34.2.15.95
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
34.2.15.65
Last Usable IP
34.2.15.94
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (34.2.15.64). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 34.2.15.95 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 34.2.15.64/27
Network Address 34.2.15.64
Broadcast Address 34.2.15.95
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 34.2.15.65
Last Usable IP 34.2.15.94
Network (Hex) 0x22020F40
Broadcast (Hex) 0x22020F5F
Address Type Public / Globally Routable

Binary Representation

Network Address
00100010.00000010.00001111 00100010.00000010.00001111.01000000
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.

Subnet Breakdown — splitting into /28

This /27 block can be divided into 2 /28 subnets.

CIDR Network Broadcast First Usable Last Usable Hosts
34.2.15.64/28 34.2.15.64 34.2.15.79 34.2.15.65 34.2.15.78 14
34.2.15.80/28 34.2.15.80 34.2.15.95 34.2.15.81 34.2.15.94 14

IP Address Sample

Showing first 16 of 32 total IPs.

34.2.15.64 net
34.2.15.65
34.2.15.66
34.2.15.67
34.2.15.68
34.2.15.69
34.2.15.70
34.2.15.71
34.2.15.72
34.2.15.73
34.2.15.74
34.2.15.75
34.2.15.76
34.2.15.77
34.2.15.78
34.2.15.79
… 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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