140.181.220.0/25

Public

Class B — /25 prefix — 126 usable hosts

Network Address
140.181.220.0
Broadcast Address
140.181.220.127
Subnet Mask
255.255.255.128
Usable Hosts
126
First Usable IP
140.181.220.1
Last Usable IP
140.181.220.126
Total IPs
128
Prefix Length
/25

Network address — the base address of the block (140.181.220.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 140.181.220.127 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 140.181.220.0/25
Network Address 140.181.220.0
Broadcast Address 140.181.220.127
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 140.181.220.1
Last Usable IP 140.181.220.126
Network (Hex) 0x8CB5DC00
Broadcast (Hex) 0x8CB5DC7F
Address Type Public / Globally Routable

Binary Representation

Network Address
10001100.10110101.11011100 10001100.10110101.11011100.00000000
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 140.181.220.0/25 into 2 equal /26 subnets (62 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 140.181.220.0/26 140.181.220.0 140.181.220.1 140.181.220.62 140.181.220.63 62
2 140.181.220.64/26 140.181.220.64 140.181.220.65 140.181.220.126 140.181.220.127 62

IP Address Sample

Showing first 16 of 128 total IPs.

140.181.220.0 net
140.181.220.1
140.181.220.2
140.181.220.3
140.181.220.4
140.181.220.5
140.181.220.6
140.181.220.7
140.181.220.8
140.181.220.9
140.181.220.10
140.181.220.11
140.181.220.12
140.181.220.13
140.181.220.14
140.181.220.15
… 112 more IPs …

/25 Subnet Reference

Total IPs 128
Usable Hosts 126
Subnet Mask 255.255.255.128
Wildcard 0.0.0.127

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