16.252.3.128/25

Public

Class A — /25 prefix — 126 usable hosts

Network Address
16.252.3.128
Broadcast Address
16.252.3.255
Subnet Mask
255.255.255.128
Usable Hosts
126
First Usable IP
16.252.3.129
Last Usable IP
16.252.3.254
Total IPs
128
Prefix Length
/25

Network address — the base address of the block (16.252.3.128). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 16.252.3.255 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 16.252.3.128/25
Network Address 16.252.3.128
Broadcast Address 16.252.3.255
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 16.252.3.129
Last Usable IP 16.252.3.254
Network (Hex) 0x10FC0380
Broadcast (Hex) 0x10FC03FF
Address Type Public / Globally Routable

Binary Representation

Network Address
00010000.11111100.00000011 00010000.11111100.00000011.10000000
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 16.252.3.128/25 into 2 equal /26 subnets (62 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 16.252.3.128/26 16.252.3.128 16.252.3.129 16.252.3.190 16.252.3.191 62
2 16.252.3.192/26 16.252.3.192 16.252.3.193 16.252.3.254 16.252.3.255 62

IP Address Sample

Showing first 16 of 128 total IPs.

16.252.3.128 net
16.252.3.129
16.252.3.130
16.252.3.131
16.252.3.132
16.252.3.133
16.252.3.134
16.252.3.135
16.252.3.136
16.252.3.137
16.252.3.138
16.252.3.139
16.252.3.140
16.252.3.141
16.252.3.142
16.252.3.143
… 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