185.4.118.0/25

Public

Class B — /25 prefix — 126 usable hosts

Network Address
185.4.118.0
Broadcast Address
185.4.118.127
Subnet Mask
255.255.255.128
Usable Hosts
126
First Usable IP
185.4.118.1
Last Usable IP
185.4.118.126
Total IPs
128
Prefix Length
/25

Network address — the base address of the block (185.4.118.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 185.4.118.127 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 185.4.118.0/25
Network Address 185.4.118.0
Broadcast Address 185.4.118.127
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 185.4.118.1
Last Usable IP 185.4.118.126
Network (Hex) 0xB9047600
Broadcast (Hex) 0xB904767F
Address Type Public / Globally Routable

Binary Representation

Network Address
10111001.00000100.01110110 10111001.00000100.01110110.00000000
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 185.4.118.0/25 into 2 equal /26 subnets (62 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 185.4.118.0/26 185.4.118.0 185.4.118.1 185.4.118.62 185.4.118.63 62
2 185.4.118.64/26 185.4.118.64 185.4.118.65 185.4.118.126 185.4.118.127 62

IP Address Sample

Showing first 16 of 128 total IPs.

185.4.118.0 net
185.4.118.1
185.4.118.2
185.4.118.3
185.4.118.4
185.4.118.5
185.4.118.6
185.4.118.7
185.4.118.8
185.4.118.9
185.4.118.10
185.4.118.11
185.4.118.12
185.4.118.13
185.4.118.14
185.4.118.15
… 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