207.252.15.0/25

Public

Class C — /25 prefix — 126 usable hosts

Network Address
207.252.15.0
Broadcast Address
207.252.15.127
Subnet Mask
255.255.255.128
Usable Hosts
126
First Usable IP
207.252.15.1
Last Usable IP
207.252.15.126
Total IPs
128
Prefix Length
/25

Network address — the base address of the block (207.252.15.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 207.252.15.127 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 207.252.15.0/25
Network Address 207.252.15.0
Broadcast Address 207.252.15.127
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 207.252.15.1
Last Usable IP 207.252.15.126
Network (Hex) 0xCFFC0F00
Broadcast (Hex) 0xCFFC0F7F
Address Type Public / Globally Routable

Binary Representation

Network Address
11001111.11111100.00001111 11001111.11111100.00001111.00000000
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 207.252.15.0/25 into 2 equal /26 subnets (62 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 207.252.15.0/26 207.252.15.0 207.252.15.1 207.252.15.62 207.252.15.63 62
2 207.252.15.64/26 207.252.15.64 207.252.15.65 207.252.15.126 207.252.15.127 62

IP Address Sample

Showing first 16 of 128 total IPs.

207.252.15.0 net
207.252.15.1
207.252.15.2
207.252.15.3
207.252.15.4
207.252.15.5
207.252.15.6
207.252.15.7
207.252.15.8
207.252.15.9
207.252.15.10
207.252.15.11
207.252.15.12
207.252.15.13
207.252.15.14
207.252.15.15
… 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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