174.9.101.128/25

Public

Class B — /25 prefix — 126 usable hosts

Network Address
174.9.101.128
Broadcast Address
174.9.101.255
Subnet Mask
255.255.255.128
Usable Hosts
126
First Usable IP
174.9.101.129
Last Usable IP
174.9.101.254
Total IPs
128
Prefix Length
/25

Network address — the base address of the block (174.9.101.128). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 174.9.101.255 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 174.9.101.128/25
Network Address 174.9.101.128
Broadcast Address 174.9.101.255
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 174.9.101.129
Last Usable IP 174.9.101.254
Network (Hex) 0xAE096580
Broadcast (Hex) 0xAE0965FF
Address Type Public / Globally Routable

Binary Representation

Network Address
10101110.00001001.01100101 10101110.00001001.01100101.10000000
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
174.9.101.128/26 174.9.101.128 174.9.101.191 174.9.101.129 174.9.101.190 62
174.9.101.192/26 174.9.101.192 174.9.101.255 174.9.101.193 174.9.101.254 62

IP Address Sample

Showing first 16 of 128 total IPs.

174.9.101.128 net
174.9.101.129
174.9.101.130
174.9.101.131
174.9.101.132
174.9.101.133
174.9.101.134
174.9.101.135
174.9.101.136
174.9.101.137
174.9.101.138
174.9.101.139
174.9.101.140
174.9.101.141
174.9.101.142
174.9.101.143
… 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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