172.46.40.64/27

Public

Class B — /27 prefix — 30 usable hosts

Network Address
172.46.40.64
Broadcast Address
172.46.40.95
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
172.46.40.65
Last Usable IP
172.46.40.94
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (172.46.40.64). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 172.46.40.95 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 172.46.40.64/27
Network Address 172.46.40.64
Broadcast Address 172.46.40.95
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 172.46.40.65
Last Usable IP 172.46.40.94
Network (Hex) 0xAC2E2840
Broadcast (Hex) 0xAC2E285F
Address Type Public / Globally Routable

Binary Representation

Network Address
10101100.00101110.00101000 10101100.00101110.00101000.01000000
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 172.46.40.64/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 172.46.40.64/28 172.46.40.64 172.46.40.65 172.46.40.78 172.46.40.79 14
2 172.46.40.80/28 172.46.40.80 172.46.40.81 172.46.40.94 172.46.40.95 14

IP Address Sample

Showing first 16 of 32 total IPs.

172.46.40.64 net
172.46.40.65
172.46.40.66
172.46.40.67
172.46.40.68
172.46.40.69
172.46.40.70
172.46.40.71
172.46.40.72
172.46.40.73
172.46.40.74
172.46.40.75
172.46.40.76
172.46.40.77
172.46.40.78
172.46.40.79
… 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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