208.237.75.128/27

Public

Class C — /27 prefix — 30 usable hosts

Network Address
208.237.75.128
Broadcast Address
208.237.75.159
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
208.237.75.129
Last Usable IP
208.237.75.158
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (208.237.75.128). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 208.237.75.159 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 208.237.75.128/27
Network Address 208.237.75.128
Broadcast Address 208.237.75.159
Subnet Mask 255.255.255.224
Wildcard Mask 0.0.0.31
Prefix Length /27
IP Address Class Class C
Total IP Addresses 32
Usable Host Addresses 30
First Usable IP 208.237.75.129
Last Usable IP 208.237.75.158
Network (Hex) 0xD0ED4B80
Broadcast (Hex) 0xD0ED4B9F
Address Type Public / Globally Routable

Binary Representation

Network Address
11010000.11101101.01001011 11010000.11101101.01001011.10000000
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 208.237.75.128/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 208.237.75.128/28 208.237.75.128 208.237.75.129 208.237.75.142 208.237.75.143 14
2 208.237.75.144/28 208.237.75.144 208.237.75.145 208.237.75.158 208.237.75.159 14

IP Address Sample

Showing first 16 of 32 total IPs.

208.237.75.128 net
208.237.75.129
208.237.75.130
208.237.75.131
208.237.75.132
208.237.75.133
208.237.75.134
208.237.75.135
208.237.75.136
208.237.75.137
208.237.75.138
208.237.75.139
208.237.75.140
208.237.75.141
208.237.75.142
208.237.75.143
… 16 more IPs …

/27 Subnet Reference

Total IPs 32
Usable Hosts 30
Subnet Mask 255.255.255.224
Wildcard 0.0.0.31

Calculate Another