17.252.109.0/25

Public

Class A — /25 prefix — 126 usable hosts

Network Address
17.252.109.0
Broadcast Address
17.252.109.127
Subnet Mask
255.255.255.128
Usable Hosts
126
First Usable IP
17.252.109.1
Last Usable IP
17.252.109.126
Total IPs
128
Prefix Length
/25

Network address — the base address of the block (17.252.109.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 17.252.109.127 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 17.252.109.0/25
Network Address 17.252.109.0
Broadcast Address 17.252.109.127
Subnet Mask 255.255.255.128
Wildcard Mask 0.0.0.127
Prefix Length /25
IP Address Class Class A
Total IP Addresses 128
Usable Host Addresses 126
First Usable IP 17.252.109.1
Last Usable IP 17.252.109.126
Network (Hex) 0x11FC6D00
Broadcast (Hex) 0x11FC6D7F
Address Type Public / Globally Routable

Binary Representation

Network Address
00010001.11111100.01101101 00010001.11111100.01101101.00000000
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 17.252.109.0/25 into 2 equal /26 subnets (62 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 17.252.109.0/26 17.252.109.0 17.252.109.1 17.252.109.62 17.252.109.63 62
2 17.252.109.64/26 17.252.109.64 17.252.109.65 17.252.109.126 17.252.109.127 62

IP Address Sample

Showing first 16 of 128 total IPs.

17.252.109.0 net
17.252.109.1
17.252.109.2
17.252.109.3
17.252.109.4
17.252.109.5
17.252.109.6
17.252.109.7
17.252.109.8
17.252.109.9
17.252.109.10
17.252.109.11
17.252.109.12
17.252.109.13
17.252.109.14
17.252.109.15
… 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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