120.232.236.128/25

Public

Class A — /25 prefix — 126 usable hosts

Network Address
120.232.236.128
Broadcast Address
120.232.236.255
Subnet Mask
255.255.255.128
Usable Hosts
126
First Usable IP
120.232.236.129
Last Usable IP
120.232.236.254
Total IPs
128
Prefix Length
/25

Network address — the base address of the block (120.232.236.128). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 120.232.236.255 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 120.232.236.128/25
Network Address 120.232.236.128
Broadcast Address 120.232.236.255
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 120.232.236.129
Last Usable IP 120.232.236.254
Network (Hex) 0x78E8EC80
Broadcast (Hex) 0x78E8ECFF
Address Type Public / Globally Routable

Binary Representation

Network Address
01111000.11101000.11101100 01111000.11101000.11101100.10000000
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.

Subnet Breakdown — splitting into /26

This /25 block can be divided into 2 /26 subnets.

CIDR Network Broadcast First Usable Last Usable Hosts
120.232.236.128/26 120.232.236.128 120.232.236.191 120.232.236.129 120.232.236.190 62
120.232.236.192/26 120.232.236.192 120.232.236.255 120.232.236.193 120.232.236.254 62

IP Address Sample

Showing first 16 of 128 total IPs.

120.232.236.128 net
120.232.236.129
120.232.236.130
120.232.236.131
120.232.236.132
120.232.236.133
120.232.236.134
120.232.236.135
120.232.236.136
120.232.236.137
120.232.236.138
120.232.236.139
120.232.236.140
120.232.236.141
120.232.236.142
120.232.236.143
… 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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