184.1.171.0/25

Public

Class B — /25 prefix — 126 usable hosts

Network Address
184.1.171.0
Broadcast Address
184.1.171.127
Subnet Mask
255.255.255.128
Usable Hosts
126
First Usable IP
184.1.171.1
Last Usable IP
184.1.171.126
Total IPs
128
Prefix Length
/25

Network address — the base address of the block (184.1.171.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 184.1.171.127 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 184.1.171.0/25
Network Address 184.1.171.0
Broadcast Address 184.1.171.127
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 184.1.171.1
Last Usable IP 184.1.171.126
Network (Hex) 0xB801AB00
Broadcast (Hex) 0xB801AB7F
Address Type Public / Globally Routable

Binary Representation

Network Address
10111000.00000001.10101011 10111000.00000001.10101011.00000000
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 184.1.171.0/25 into 2 equal /26 subnets (62 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 184.1.171.0/26 184.1.171.0 184.1.171.1 184.1.171.62 184.1.171.63 62
2 184.1.171.64/26 184.1.171.64 184.1.171.65 184.1.171.126 184.1.171.127 62

IP Address Sample

Showing first 16 of 128 total IPs.

184.1.171.0 net
184.1.171.1
184.1.171.2
184.1.171.3
184.1.171.4
184.1.171.5
184.1.171.6
184.1.171.7
184.1.171.8
184.1.171.9
184.1.171.10
184.1.171.11
184.1.171.12
184.1.171.13
184.1.171.14
184.1.171.15
… 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