192.138.51.0/26

Public

Class C — /26 prefix — 62 usable hosts

Network Address
192.138.51.0
Broadcast Address
192.138.51.63
Subnet Mask
255.255.255.192
Usable Hosts
62
First Usable IP
192.138.51.1
Last Usable IP
192.138.51.62
Total IPs
64
Prefix Length
/26

Network address — the base address of the block (192.138.51.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 192.138.51.63 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 192.138.51.0/26
Network Address 192.138.51.0
Broadcast Address 192.138.51.63
Subnet Mask 255.255.255.192
Wildcard Mask 0.0.0.63
Prefix Length /26
IP Address Class Class C
Total IP Addresses 64
Usable Host Addresses 62
First Usable IP 192.138.51.1
Last Usable IP 192.138.51.62
Network (Hex) 0xC08A3300
Broadcast (Hex) 0xC08A333F
Address Type Public / Globally Routable

Binary Representation

Network Address
11000000.10001010.00110011 11000000.10001010.00110011.00000000
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 192.138.51.0/26 into 2 equal /27 subnets (30 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 192.138.51.0/27 192.138.51.0 192.138.51.1 192.138.51.30 192.138.51.31 30
2 192.138.51.32/27 192.138.51.32 192.138.51.33 192.138.51.62 192.138.51.63 30

IP Address Sample

Showing first 16 of 64 total IPs.

192.138.51.0 net
192.138.51.1
192.138.51.2
192.138.51.3
192.138.51.4
192.138.51.5
192.138.51.6
192.138.51.7
192.138.51.8
192.138.51.9
192.138.51.10
192.138.51.11
192.138.51.12
192.138.51.13
192.138.51.14
192.138.51.15
… 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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