177.215.54.0/27

Public

Class B — /27 prefix — 30 usable hosts

Network Address
177.215.54.0
Broadcast Address
177.215.54.31
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
177.215.54.1
Last Usable IP
177.215.54.30
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (177.215.54.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 177.215.54.31 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 177.215.54.0/27
Network Address 177.215.54.0
Broadcast Address 177.215.54.31
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 177.215.54.1
Last Usable IP 177.215.54.30
Network (Hex) 0xB1D73600
Broadcast (Hex) 0xB1D7361F
Address Type Public / Globally Routable

Binary Representation

Network Address
10110001.11010111.00110110 10110001.11010111.00110110.00000000
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 177.215.54.0/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 177.215.54.0/28 177.215.54.0 177.215.54.1 177.215.54.14 177.215.54.15 14
2 177.215.54.16/28 177.215.54.16 177.215.54.17 177.215.54.30 177.215.54.31 14

IP Address Sample

Showing first 16 of 32 total IPs.

177.215.54.0 net
177.215.54.1
177.215.54.2
177.215.54.3
177.215.54.4
177.215.54.5
177.215.54.6
177.215.54.7
177.215.54.8
177.215.54.9
177.215.54.10
177.215.54.11
177.215.54.12
177.215.54.13
177.215.54.14
177.215.54.15
… 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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