15.176.89.0/25

Public

Class A — /25 prefix — 126 usable hosts

Network Address
15.176.89.0
Broadcast Address
15.176.89.127
Subnet Mask
255.255.255.128
Usable Hosts
126
First Usable IP
15.176.89.1
Last Usable IP
15.176.89.126
Total IPs
128
Prefix Length
/25

Network address — the base address of the block (15.176.89.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 15.176.89.127 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 15.176.89.0/25
Network Address 15.176.89.0
Broadcast Address 15.176.89.127
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 15.176.89.1
Last Usable IP 15.176.89.126
Network (Hex) 0x0FB05900
Broadcast (Hex) 0x0FB0597F
Address Type Public / Globally Routable

Binary Representation

Network Address
00001111.10110000.01011001 00001111.10110000.01011001.00000000
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 15.176.89.0/25 into 2 equal /26 subnets (62 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 15.176.89.0/26 15.176.89.0 15.176.89.1 15.176.89.62 15.176.89.63 62
2 15.176.89.64/26 15.176.89.64 15.176.89.65 15.176.89.126 15.176.89.127 62

IP Address Sample

Showing first 16 of 128 total IPs.

15.176.89.0 net
15.176.89.1
15.176.89.2
15.176.89.3
15.176.89.4
15.176.89.5
15.176.89.6
15.176.89.7
15.176.89.8
15.176.89.9
15.176.89.10
15.176.89.11
15.176.89.12
15.176.89.13
15.176.89.14
15.176.89.15
… 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