97.252.15.128/25

Public

Class A — /25 prefix — 126 usable hosts

Network Address
97.252.15.128
Broadcast Address
97.252.15.255
Subnet Mask
255.255.255.128
Usable Hosts
126
First Usable IP
97.252.15.129
Last Usable IP
97.252.15.254
Total IPs
128
Prefix Length
/25

Network address — the base address of the block (97.252.15.128). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 97.252.15.255 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 97.252.15.128/25
Network Address 97.252.15.128
Broadcast Address 97.252.15.255
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 97.252.15.129
Last Usable IP 97.252.15.254
Network (Hex) 0x61FC0F80
Broadcast (Hex) 0x61FC0FFF
Address Type Public / Globally Routable

Binary Representation

Network Address
01100001.11111100.00001111 01100001.11111100.00001111.10000000
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.

Split into Equal Subnets

Split 97.252.15.128/25 into 2 equal /26 subnets (62 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 97.252.15.128/26 97.252.15.128 97.252.15.129 97.252.15.190 97.252.15.191 62
2 97.252.15.192/26 97.252.15.192 97.252.15.193 97.252.15.254 97.252.15.255 62

IP Address Sample

Showing first 16 of 128 total IPs.

97.252.15.128 net
97.252.15.129
97.252.15.130
97.252.15.131
97.252.15.132
97.252.15.133
97.252.15.134
97.252.15.135
97.252.15.136
97.252.15.137
97.252.15.138
97.252.15.139
97.252.15.140
97.252.15.141
97.252.15.142
97.252.15.143
… 112 more IPs …

/25 Subnet Reference

Total IPs 128
Usable Hosts 126
Subnet Mask 255.255.255.128
Wildcard 0.0.0.127

Calculate Another