223.51.34.0/25

Public

Class C — /25 prefix — 126 usable hosts

Network Address
223.51.34.0
Broadcast Address
223.51.34.127
Subnet Mask
255.255.255.128
Usable Hosts
126
First Usable IP
223.51.34.1
Last Usable IP
223.51.34.126
Total IPs
128
Prefix Length
/25

Network address — the base address of the block (223.51.34.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 223.51.34.127 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 223.51.34.0/25
Network Address 223.51.34.0
Broadcast Address 223.51.34.127
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 223.51.34.1
Last Usable IP 223.51.34.126
Network (Hex) 0xDF332200
Broadcast (Hex) 0xDF33227F
Address Type Public / Globally Routable

Binary Representation

Network Address
11011111.00110011.00100010 11011111.00110011.00100010.00000000
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 223.51.34.0/25 into 2 equal /26 subnets (62 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 223.51.34.0/26 223.51.34.0 223.51.34.1 223.51.34.62 223.51.34.63 62
2 223.51.34.64/26 223.51.34.64 223.51.34.65 223.51.34.126 223.51.34.127 62

IP Address Sample

Showing first 16 of 128 total IPs.

223.51.34.0 net
223.51.34.1
223.51.34.2
223.51.34.3
223.51.34.4
223.51.34.5
223.51.34.6
223.51.34.7
223.51.34.8
223.51.34.9
223.51.34.10
223.51.34.11
223.51.34.12
223.51.34.13
223.51.34.14
223.51.34.15
… 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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