120.232.236.0/25

Public

Class A — /25 prefix — 126 usable hosts

Network Address
120.232.236.0
Broadcast Address
120.232.236.127
Subnet Mask
255.255.255.128
Usable Hosts
126
First Usable IP
120.232.236.1
Last Usable IP
120.232.236.126
Total IPs
128
Prefix Length
/25

Network address — the base address of the block (120.232.236.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 120.232.236.127 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 120.232.236.0/25
Network Address 120.232.236.0
Broadcast Address 120.232.236.127
Subnet Mask 255.255.255.128
Wildcard Mask 0.0.0.127
Prefix Length /25
IP Address Class Class A
Total IP Addresses 128
Usable Host Addresses 126
First Usable IP 120.232.236.1
Last Usable IP 120.232.236.126
Network (Hex) 0x78E8EC00
Broadcast (Hex) 0x78E8EC7F
Address Type Public / Globally Routable

Binary Representation

Network Address
01111000.11101000.11101100 01111000.11101000.11101100.00000000
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 120.232.236.0/25 into 2 equal /26 subnets (62 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 120.232.236.0/26 120.232.236.0 120.232.236.1 120.232.236.62 120.232.236.63 62
2 120.232.236.64/26 120.232.236.64 120.232.236.65 120.232.236.126 120.232.236.127 62

IP Address Sample

Showing first 16 of 128 total IPs.

120.232.236.0 net
120.232.236.1
120.232.236.2
120.232.236.3
120.232.236.4
120.232.236.5
120.232.236.6
120.232.236.7
120.232.236.8
120.232.236.9
120.232.236.10
120.232.236.11
120.232.236.12
120.232.236.13
120.232.236.14
120.232.236.15
… 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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