185.42.204.64/27

Public

Class B — /27 prefix — 30 usable hosts

Network Address
185.42.204.64
Broadcast Address
185.42.204.95
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
185.42.204.65
Last Usable IP
185.42.204.94
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (185.42.204.64). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 185.42.204.95 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 185.42.204.64/27
Network Address 185.42.204.64
Broadcast Address 185.42.204.95
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 185.42.204.65
Last Usable IP 185.42.204.94
Network (Hex) 0xB92ACC40
Broadcast (Hex) 0xB92ACC5F
Address Type Public / Globally Routable

Binary Representation

Network Address
10111001.00101010.11001100 10111001.00101010.11001100.01000000
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.

Subnet Breakdown — splitting into /28

This /27 block can be divided into 2 /28 subnets.

CIDR Network Broadcast First Usable Last Usable Hosts
185.42.204.64/28 185.42.204.64 185.42.204.79 185.42.204.65 185.42.204.78 14
185.42.204.80/28 185.42.204.80 185.42.204.95 185.42.204.81 185.42.204.94 14

IP Address Sample

Showing first 16 of 32 total IPs.

185.42.204.64 net
185.42.204.65
185.42.204.66
185.42.204.67
185.42.204.68
185.42.204.69
185.42.204.70
185.42.204.71
185.42.204.72
185.42.204.73
185.42.204.74
185.42.204.75
185.42.204.76
185.42.204.77
185.42.204.78
185.42.204.79
… 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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