136.23.68.64/27

Public

Class B — /27 prefix — 30 usable hosts

Network Address
136.23.68.64
Broadcast Address
136.23.68.95
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
136.23.68.65
Last Usable IP
136.23.68.94
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (136.23.68.64). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 136.23.68.95 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 136.23.68.64/27
Network Address 136.23.68.64
Broadcast Address 136.23.68.95
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 136.23.68.65
Last Usable IP 136.23.68.94
Network (Hex) 0x88174440
Broadcast (Hex) 0x8817445F
Address Type Public / Globally Routable

Binary Representation

Network Address
10001000.00010111.01000100 10001000.00010111.01000100.01000000
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 136.23.68.64/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 136.23.68.64/28 136.23.68.64 136.23.68.65 136.23.68.78 136.23.68.79 14
2 136.23.68.80/28 136.23.68.80 136.23.68.81 136.23.68.94 136.23.68.95 14

IP Address Sample

Showing first 16 of 32 total IPs.

136.23.68.64 net
136.23.68.65
136.23.68.66
136.23.68.67
136.23.68.68
136.23.68.69
136.23.68.70
136.23.68.71
136.23.68.72
136.23.68.73
136.23.68.74
136.23.68.75
136.23.68.76
136.23.68.77
136.23.68.78
136.23.68.79
… 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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