198.252.117.0/25

Public

Class C — /25 prefix — 126 usable hosts

Network Address
198.252.117.0
Broadcast Address
198.252.117.127
Subnet Mask
255.255.255.128
Usable Hosts
126
First Usable IP
198.252.117.1
Last Usable IP
198.252.117.126
Total IPs
128
Prefix Length
/25

Network address — the base address of the block (198.252.117.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 198.252.117.127 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 198.252.117.0/25
Network Address 198.252.117.0
Broadcast Address 198.252.117.127
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 198.252.117.1
Last Usable IP 198.252.117.126
Network (Hex) 0xC6FC7500
Broadcast (Hex) 0xC6FC757F
Address Type Public / Globally Routable

Binary Representation

Network Address
11000110.11111100.01110101 11000110.11111100.01110101.00000000
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 198.252.117.0/25 into 2 equal /26 subnets (62 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 198.252.117.0/26 198.252.117.0 198.252.117.1 198.252.117.62 198.252.117.63 62
2 198.252.117.64/26 198.252.117.64 198.252.117.65 198.252.117.126 198.252.117.127 62

IP Address Sample

Showing first 16 of 128 total IPs.

198.252.117.0 net
198.252.117.1
198.252.117.2
198.252.117.3
198.252.117.4
198.252.117.5
198.252.117.6
198.252.117.7
198.252.117.8
198.252.117.9
198.252.117.10
198.252.117.11
198.252.117.12
198.252.117.13
198.252.117.14
198.252.117.15
… 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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