17.252.138.64/26

Public

Class A — /26 prefix — 62 usable hosts

Network Address
17.252.138.64
Broadcast Address
17.252.138.127
Subnet Mask
255.255.255.192
Usable Hosts
62
First Usable IP
17.252.138.65
Last Usable IP
17.252.138.126
Total IPs
64
Prefix Length
/26

Network address — the base address of the block (17.252.138.64). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 17.252.138.127 are delivered to every device in the subnet. Also reserved — not assignable.

Usable hosts — the 62 addresses between those two that you can assign to servers, VMs, or interfaces.

Subnet mask255.255.255.192 is the dotted-decimal equivalent of /26. Older tools and Cisco configs use this format instead of CIDR slash notation.

Full Details

CIDR Notation 17.252.138.64/26
Network Address 17.252.138.64
Broadcast Address 17.252.138.127
Subnet Mask 255.255.255.192
Wildcard Mask 0.0.0.63
Prefix Length /26
IP Address Class Class A
Total IP Addresses 64
Usable Host Addresses 62
First Usable IP 17.252.138.65
Last Usable IP 17.252.138.126
Network (Hex) 0x11FC8A40
Broadcast (Hex) 0x11FC8A7F
Address Type Public / Globally Routable

Binary Representation

Network Address
00010001.11111100.10001010 00010001.11111100.10001010.01000000
Subnet Mask
11111111.11111111.11111111.11000000

The first 26 bits (1s in the mask) identify the network. The remaining 6 bits identify hosts within the network.

Split into Equal Subnets

Split 17.252.138.64/26 into 2 equal /27 subnets (30 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 17.252.138.64/27 17.252.138.64 17.252.138.65 17.252.138.94 17.252.138.95 30
2 17.252.138.96/27 17.252.138.96 17.252.138.97 17.252.138.126 17.252.138.127 30

IP Address Sample

Showing first 16 of 64 total IPs.

17.252.138.64 net
17.252.138.65
17.252.138.66
17.252.138.67
17.252.138.68
17.252.138.69
17.252.138.70
17.252.138.71
17.252.138.72
17.252.138.73
17.252.138.74
17.252.138.75
17.252.138.76
17.252.138.77
17.252.138.78
17.252.138.79
… 48 more IPs …

/26 Subnet Reference

Total IPs 64
Usable Hosts 62
Subnet Mask 255.255.255.192
Wildcard 0.0.0.63

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