174.64.220.64/27

Public

Class B — /27 prefix — 30 usable hosts

Network Address
174.64.220.64
Broadcast Address
174.64.220.95
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
174.64.220.65
Last Usable IP
174.64.220.94
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (174.64.220.64). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 174.64.220.95 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 174.64.220.64/27
Network Address 174.64.220.64
Broadcast Address 174.64.220.95
Subnet Mask 255.255.255.224
Wildcard Mask 0.0.0.31
Prefix Length /27
IP Address Class Class B
Total IP Addresses 32
Usable Host Addresses 30
First Usable IP 174.64.220.65
Last Usable IP 174.64.220.94
Network (Hex) 0xAE40DC40
Broadcast (Hex) 0xAE40DC5F
Address Type Public / Globally Routable

Binary Representation

Network Address
10101110.01000000.11011100 10101110.01000000.11011100.01000000
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.

Split into Equal Subnets

Split 174.64.220.64/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 174.64.220.64/28 174.64.220.64 174.64.220.65 174.64.220.78 174.64.220.79 14
2 174.64.220.80/28 174.64.220.80 174.64.220.81 174.64.220.94 174.64.220.95 14

IP Address Sample

Showing first 16 of 32 total IPs.

174.64.220.64 net
174.64.220.65
174.64.220.66
174.64.220.67
174.64.220.68
174.64.220.69
174.64.220.70
174.64.220.71
174.64.220.72
174.64.220.73
174.64.220.74
174.64.220.75
174.64.220.76
174.64.220.77
174.64.220.78
174.64.220.79
… 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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