177.255.156.32/27

Public

Class B — /27 prefix — 30 usable hosts

Network Address
177.255.156.32
Broadcast Address
177.255.156.63
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
177.255.156.33
Last Usable IP
177.255.156.62
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (177.255.156.32). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 177.255.156.63 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 177.255.156.32/27
Network Address 177.255.156.32
Broadcast Address 177.255.156.63
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 177.255.156.33
Last Usable IP 177.255.156.62
Network (Hex) 0xB1FF9C20
Broadcast (Hex) 0xB1FF9C3F
Address Type Public / Globally Routable

Binary Representation

Network Address
10110001.11111111.10011100 10110001.11111111.10011100.00100000
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 177.255.156.32/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 177.255.156.32/28 177.255.156.32 177.255.156.33 177.255.156.46 177.255.156.47 14
2 177.255.156.48/28 177.255.156.48 177.255.156.49 177.255.156.62 177.255.156.63 14

IP Address Sample

Showing first 16 of 32 total IPs.

177.255.156.32 net
177.255.156.33
177.255.156.34
177.255.156.35
177.255.156.36
177.255.156.37
177.255.156.38
177.255.156.39
177.255.156.40
177.255.156.41
177.255.156.42
177.255.156.43
177.255.156.44
177.255.156.45
177.255.156.46
177.255.156.47
… 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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