206.237.0.0/25

Public

Class C — /25 prefix — 126 usable hosts

Network Address
206.237.0.0
Broadcast Address
206.237.0.127
Subnet Mask
255.255.255.128
Usable Hosts
126
First Usable IP
206.237.0.1
Last Usable IP
206.237.0.126
Total IPs
128
Prefix Length
/25

Network address — the base address of the block (206.237.0.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 206.237.0.127 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 206.237.0.0/25
Network Address 206.237.0.0
Broadcast Address 206.237.0.127
Subnet Mask 255.255.255.128
Wildcard Mask 0.0.0.127
Prefix Length /25
IP Address Class Class C
Total IP Addresses 128
Usable Host Addresses 126
First Usable IP 206.237.0.1
Last Usable IP 206.237.0.126
Network (Hex) 0xCEED0000
Broadcast (Hex) 0xCEED007F
Address Type Public / Globally Routable

Binary Representation

Network Address
11001110.11101101.00000000 11001110.11101101.00000000.00000000
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 206.237.0.0/25 into 2 equal /26 subnets (62 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 206.237.0.0/26 206.237.0.0 206.237.0.1 206.237.0.62 206.237.0.63 62
2 206.237.0.64/26 206.237.0.64 206.237.0.65 206.237.0.126 206.237.0.127 62

IP Address Sample

Showing first 16 of 128 total IPs.

206.237.0.0 net
206.237.0.1
206.237.0.2
206.237.0.3
206.237.0.4
206.237.0.5
206.237.0.6
206.237.0.7
206.237.0.8
206.237.0.9
206.237.0.10
206.237.0.11
206.237.0.12
206.237.0.13
206.237.0.14
206.237.0.15
… 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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