140.8.69.128/25

Public

Class B — /25 prefix — 126 usable hosts

Network Address
140.8.69.128
Broadcast Address
140.8.69.255
Subnet Mask
255.255.255.128
Usable Hosts
126
First Usable IP
140.8.69.129
Last Usable IP
140.8.69.254
Total IPs
128
Prefix Length
/25

Network address — the base address of the block (140.8.69.128). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 140.8.69.255 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 140.8.69.128/25
Network Address 140.8.69.128
Broadcast Address 140.8.69.255
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 140.8.69.129
Last Usable IP 140.8.69.254
Network (Hex) 0x8C084580
Broadcast (Hex) 0x8C0845FF
Address Type Public / Globally Routable

Binary Representation

Network Address
10001100.00001000.01000101 10001100.00001000.01000101.10000000
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 140.8.69.128/25 into 2 equal /26 subnets (62 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 140.8.69.128/26 140.8.69.128 140.8.69.129 140.8.69.190 140.8.69.191 62
2 140.8.69.192/26 140.8.69.192 140.8.69.193 140.8.69.254 140.8.69.255 62

IP Address Sample

Showing first 16 of 128 total IPs.

140.8.69.128 net
140.8.69.129
140.8.69.130
140.8.69.131
140.8.69.132
140.8.69.133
140.8.69.134
140.8.69.135
140.8.69.136
140.8.69.137
140.8.69.138
140.8.69.139
140.8.69.140
140.8.69.141
140.8.69.142
140.8.69.143
… 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