136.64.158.64/27

Public

Class B — /27 prefix — 30 usable hosts

Network Address
136.64.158.64
Broadcast Address
136.64.158.95
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
136.64.158.65
Last Usable IP
136.64.158.94
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (136.64.158.64). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 136.64.158.95 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 136.64.158.64/27
Network Address 136.64.158.64
Broadcast Address 136.64.158.95
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 136.64.158.65
Last Usable IP 136.64.158.94
Network (Hex) 0x88409E40
Broadcast (Hex) 0x88409E5F
Address Type Public / Globally Routable

Binary Representation

Network Address
10001000.01000000.10011110 10001000.01000000.10011110.01000000
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 136.64.158.64/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 136.64.158.64/28 136.64.158.64 136.64.158.65 136.64.158.78 136.64.158.79 14
2 136.64.158.80/28 136.64.158.80 136.64.158.81 136.64.158.94 136.64.158.95 14

IP Address Sample

Showing first 16 of 32 total IPs.

136.64.158.64 net
136.64.158.65
136.64.158.66
136.64.158.67
136.64.158.68
136.64.158.69
136.64.158.70
136.64.158.71
136.64.158.72
136.64.158.73
136.64.158.74
136.64.158.75
136.64.158.76
136.64.158.77
136.64.158.78
136.64.158.79
… 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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