136.9.84.0/25

Public

Class B — /25 prefix — 126 usable hosts

Network Address
136.9.84.0
Broadcast Address
136.9.84.127
Subnet Mask
255.255.255.128
Usable Hosts
126
First Usable IP
136.9.84.1
Last Usable IP
136.9.84.126
Total IPs
128
Prefix Length
/25

Network address — the base address of the block (136.9.84.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 136.9.84.127 are delivered to every device in the subnet. Also reserved — not assignable.

Usable hosts — the 126 addresses between those two that you can assign to servers, VMs, or interfaces.

Subnet mask255.255.255.128 is the dotted-decimal equivalent of /25. Older tools and Cisco configs use this format instead of CIDR slash notation.

Full Details

CIDR Notation 136.9.84.0/25
Network Address 136.9.84.0
Broadcast Address 136.9.84.127
Subnet Mask 255.255.255.128
Wildcard Mask 0.0.0.127
Prefix Length /25
IP Address Class Class B
Total IP Addresses 128
Usable Host Addresses 126
First Usable IP 136.9.84.1
Last Usable IP 136.9.84.126
Network (Hex) 0x88095400
Broadcast (Hex) 0x8809547F
Address Type Public / Globally Routable

Binary Representation

Network Address
10001000.00001001.01010100 10001000.00001001.01010100.00000000
Subnet Mask
11111111.11111111.11111111.10000000

The first 25 bits (1s in the mask) identify the network. The remaining 7 bits identify hosts within the network.

Split into Equal Subnets

Split 136.9.84.0/25 into 2 equal /26 subnets (62 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 136.9.84.0/26 136.9.84.0 136.9.84.1 136.9.84.62 136.9.84.63 62
2 136.9.84.64/26 136.9.84.64 136.9.84.65 136.9.84.126 136.9.84.127 62

IP Address Sample

Showing first 16 of 128 total IPs.

136.9.84.0 net
136.9.84.1
136.9.84.2
136.9.84.3
136.9.84.4
136.9.84.5
136.9.84.6
136.9.84.7
136.9.84.8
136.9.84.9
136.9.84.10
136.9.84.11
136.9.84.12
136.9.84.13
136.9.84.14
136.9.84.15
… 112 more IPs …

/25 Subnet Reference

Total IPs 128
Usable Hosts 126
Subnet Mask 255.255.255.128
Wildcard 0.0.0.127

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