136.9.137.0/26

Public

Class B — /26 prefix — 62 usable hosts

Network Address
136.9.137.0
Broadcast Address
136.9.137.63
Subnet Mask
255.255.255.192
Usable Hosts
62
First Usable IP
136.9.137.1
Last Usable IP
136.9.137.62
Total IPs
64
Prefix Length
/26

Network address — the base address of the block (136.9.137.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 136.9.137.63 are delivered to every device in the subnet. Also reserved — not assignable.

Usable hosts — the 62 addresses between those two that you can assign to servers, VMs, or interfaces.

Subnet mask255.255.255.192 is the dotted-decimal equivalent of /26. Older tools and Cisco configs use this format instead of CIDR slash notation.

Full Details

CIDR Notation 136.9.137.0/26
Network Address 136.9.137.0
Broadcast Address 136.9.137.63
Subnet Mask 255.255.255.192
Wildcard Mask 0.0.0.63
Prefix Length /26
IP Address Class Class B
Total IP Addresses 64
Usable Host Addresses 62
First Usable IP 136.9.137.1
Last Usable IP 136.9.137.62
Network (Hex) 0x88098900
Broadcast (Hex) 0x8809893F
Address Type Public / Globally Routable

Binary Representation

Network Address
10001000.00001001.10001001 10001000.00001001.10001001.00000000
Subnet Mask
11111111.11111111.11111111.11000000

The first 26 bits (1s in the mask) identify the network. The remaining 6 bits identify hosts within the network.

Split into Equal Subnets

Split 136.9.137.0/26 into 2 equal /27 subnets (30 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 136.9.137.0/27 136.9.137.0 136.9.137.1 136.9.137.30 136.9.137.31 30
2 136.9.137.32/27 136.9.137.32 136.9.137.33 136.9.137.62 136.9.137.63 30

IP Address Sample

Showing first 16 of 64 total IPs.

136.9.137.0 net
136.9.137.1
136.9.137.2
136.9.137.3
136.9.137.4
136.9.137.5
136.9.137.6
136.9.137.7
136.9.137.8
136.9.137.9
136.9.137.10
136.9.137.11
136.9.137.12
136.9.137.13
136.9.137.14
136.9.137.15
… 48 more IPs …

/26 Subnet Reference

Total IPs 64
Usable Hosts 62
Subnet Mask 255.255.255.192
Wildcard 0.0.0.63

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