223.166.238.0/25

Public

Class C — /25 prefix — 126 usable hosts

Network Address
223.166.238.0
Broadcast Address
223.166.238.127
Subnet Mask
255.255.255.128
Usable Hosts
126
First Usable IP
223.166.238.1
Last Usable IP
223.166.238.126
Total IPs
128
Prefix Length
/25

Network address — the base address of the block (223.166.238.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 223.166.238.127 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 223.166.238.0/25
Network Address 223.166.238.0
Broadcast Address 223.166.238.127
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 223.166.238.1
Last Usable IP 223.166.238.126
Network (Hex) 0xDFA6EE00
Broadcast (Hex) 0xDFA6EE7F
Address Type Public / Globally Routable

Binary Representation

Network Address
11011111.10100110.11101110 11011111.10100110.11101110.00000000
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 223.166.238.0/25 into 2 equal /26 subnets (62 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 223.166.238.0/26 223.166.238.0 223.166.238.1 223.166.238.62 223.166.238.63 62
2 223.166.238.64/26 223.166.238.64 223.166.238.65 223.166.238.126 223.166.238.127 62

IP Address Sample

Showing first 16 of 128 total IPs.

223.166.238.0 net
223.166.238.1
223.166.238.2
223.166.238.3
223.166.238.4
223.166.238.5
223.166.238.6
223.166.238.7
223.166.238.8
223.166.238.9
223.166.238.10
223.166.238.11
223.166.238.12
223.166.238.13
223.166.238.14
223.166.238.15
… 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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