140.8.68.128/27

Public

Class B — /27 prefix — 30 usable hosts

Network Address
140.8.68.128
Broadcast Address
140.8.68.159
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
140.8.68.129
Last Usable IP
140.8.68.158
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (140.8.68.128). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 140.8.68.159 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 140.8.68.128/27
Network Address 140.8.68.128
Broadcast Address 140.8.68.159
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 140.8.68.129
Last Usable IP 140.8.68.158
Network (Hex) 0x8C084480
Broadcast (Hex) 0x8C08449F
Address Type Public / Globally Routable

Binary Representation

Network Address
10001100.00001000.01000100 10001100.00001000.01000100.10000000
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 140.8.68.128/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 140.8.68.128/28 140.8.68.128 140.8.68.129 140.8.68.142 140.8.68.143 14
2 140.8.68.144/28 140.8.68.144 140.8.68.145 140.8.68.158 140.8.68.159 14

IP Address Sample

Showing first 16 of 32 total IPs.

140.8.68.128 net
140.8.68.129
140.8.68.130
140.8.68.131
140.8.68.132
140.8.68.133
140.8.68.134
140.8.68.135
140.8.68.136
140.8.68.137
140.8.68.138
140.8.68.139
140.8.68.140
140.8.68.141
140.8.68.142
140.8.68.143
… 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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