34.101.20.64/27

Public

Class A — /27 prefix — 30 usable hosts

Network Address
34.101.20.64
Broadcast Address
34.101.20.95
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
34.101.20.65
Last Usable IP
34.101.20.94
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (34.101.20.64). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 34.101.20.95 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 34.101.20.64/27
Network Address 34.101.20.64
Broadcast Address 34.101.20.95
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 34.101.20.65
Last Usable IP 34.101.20.94
Network (Hex) 0x22651440
Broadcast (Hex) 0x2265145F
Address Type Public / Globally Routable

Binary Representation

Network Address
00100010.01100101.00010100 00100010.01100101.00010100.01000000
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
34.101.20.64/28 34.101.20.64 34.101.20.79 34.101.20.65 34.101.20.78 14
34.101.20.80/28 34.101.20.80 34.101.20.95 34.101.20.81 34.101.20.94 14

IP Address Sample

Showing first 16 of 32 total IPs.

34.101.20.64 net
34.101.20.65
34.101.20.66
34.101.20.67
34.101.20.68
34.101.20.69
34.101.20.70
34.101.20.71
34.101.20.72
34.101.20.73
34.101.20.74
34.101.20.75
34.101.20.76
34.101.20.77
34.101.20.78
34.101.20.79
… 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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