177.242.23.64/27

Public

Class B — /27 prefix — 30 usable hosts

Network Address
177.242.23.64
Broadcast Address
177.242.23.95
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
177.242.23.65
Last Usable IP
177.242.23.94
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (177.242.23.64). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 177.242.23.95 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 177.242.23.64/27
Network Address 177.242.23.64
Broadcast Address 177.242.23.95
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 177.242.23.65
Last Usable IP 177.242.23.94
Network (Hex) 0xB1F21740
Broadcast (Hex) 0xB1F2175F
Address Type Public / Globally Routable

Binary Representation

Network Address
10110001.11110010.00010111 10110001.11110010.00010111.01000000
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 177.242.23.64/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 177.242.23.64/28 177.242.23.64 177.242.23.65 177.242.23.78 177.242.23.79 14
2 177.242.23.80/28 177.242.23.80 177.242.23.81 177.242.23.94 177.242.23.95 14

IP Address Sample

Showing first 16 of 32 total IPs.

177.242.23.64 net
177.242.23.65
177.242.23.66
177.242.23.67
177.242.23.68
177.242.23.69
177.242.23.70
177.242.23.71
177.242.23.72
177.242.23.73
177.242.23.74
177.242.23.75
177.242.23.76
177.242.23.77
177.242.23.78
177.242.23.79
… 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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