176.15.172.64/27

Public

Class B — /27 prefix — 30 usable hosts

Network Address
176.15.172.64
Broadcast Address
176.15.172.95
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
176.15.172.65
Last Usable IP
176.15.172.94
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (176.15.172.64). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 176.15.172.95 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 176.15.172.64/27
Network Address 176.15.172.64
Broadcast Address 176.15.172.95
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 176.15.172.65
Last Usable IP 176.15.172.94
Network (Hex) 0xB00FAC40
Broadcast (Hex) 0xB00FAC5F
Address Type Public / Globally Routable

Binary Representation

Network Address
10110000.00001111.10101100 10110000.00001111.10101100.01000000
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 176.15.172.64/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 176.15.172.64/28 176.15.172.64 176.15.172.65 176.15.172.78 176.15.172.79 14
2 176.15.172.80/28 176.15.172.80 176.15.172.81 176.15.172.94 176.15.172.95 14

IP Address Sample

Showing first 16 of 32 total IPs.

176.15.172.64 net
176.15.172.65
176.15.172.66
176.15.172.67
176.15.172.68
176.15.172.69
176.15.172.70
176.15.172.71
176.15.172.72
176.15.172.73
176.15.172.74
176.15.172.75
176.15.172.76
176.15.172.77
176.15.172.78
176.15.172.79
… 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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