13.97.182.128/25

Public

Class A — /25 prefix — 126 usable hosts

Network Address
13.97.182.128
Broadcast Address
13.97.182.255
Subnet Mask
255.255.255.128
Usable Hosts
126
First Usable IP
13.97.182.129
Last Usable IP
13.97.182.254
Total IPs
128
Prefix Length
/25

Network address — the base address of the block (13.97.182.128). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 13.97.182.255 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 13.97.182.128/25
Network Address 13.97.182.128
Broadcast Address 13.97.182.255
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 13.97.182.129
Last Usable IP 13.97.182.254
Network (Hex) 0x0D61B680
Broadcast (Hex) 0x0D61B6FF
Address Type Public / Globally Routable

Binary Representation

Network Address
00001101.01100001.10110110 00001101.01100001.10110110.10000000
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
13.97.182.128/26 13.97.182.128 13.97.182.191 13.97.182.129 13.97.182.190 62
13.97.182.192/26 13.97.182.192 13.97.182.255 13.97.182.193 13.97.182.254 62

IP Address Sample

Showing first 16 of 128 total IPs.

13.97.182.128 net
13.97.182.129
13.97.182.130
13.97.182.131
13.97.182.132
13.97.182.133
13.97.182.134
13.97.182.135
13.97.182.136
13.97.182.137
13.97.182.138
13.97.182.139
13.97.182.140
13.97.182.141
13.97.182.142
13.97.182.143
… 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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