136.64.208.0/27

Public

Class B — /27 prefix — 30 usable hosts

Network Address
136.64.208.0
Broadcast Address
136.64.208.31
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
136.64.208.1
Last Usable IP
136.64.208.30
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (136.64.208.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 136.64.208.31 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 136.64.208.0/27
Network Address 136.64.208.0
Broadcast Address 136.64.208.31
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 136.64.208.1
Last Usable IP 136.64.208.30
Network (Hex) 0x8840D000
Broadcast (Hex) 0x8840D01F
Address Type Public / Globally Routable

Binary Representation

Network Address
10001000.01000000.11010000 10001000.01000000.11010000.00000000
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 136.64.208.0/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 136.64.208.0/28 136.64.208.0 136.64.208.1 136.64.208.14 136.64.208.15 14
2 136.64.208.16/28 136.64.208.16 136.64.208.17 136.64.208.30 136.64.208.31 14

IP Address Sample

Showing first 16 of 32 total IPs.

136.64.208.0 net
136.64.208.1
136.64.208.2
136.64.208.3
136.64.208.4
136.64.208.5
136.64.208.6
136.64.208.7
136.64.208.8
136.64.208.9
136.64.208.10
136.64.208.11
136.64.208.12
136.64.208.13
136.64.208.14
136.64.208.15
… 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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