202.102.138.64/26

Public

Class C — /26 prefix — 62 usable hosts

Network Address
202.102.138.64
Broadcast Address
202.102.138.127
Subnet Mask
255.255.255.192
Usable Hosts
62
First Usable IP
202.102.138.65
Last Usable IP
202.102.138.126
Total IPs
64
Prefix Length
/26

Network address — the base address of the block (202.102.138.64). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 202.102.138.127 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 202.102.138.64/26
Network Address 202.102.138.64
Broadcast Address 202.102.138.127
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 202.102.138.65
Last Usable IP 202.102.138.126
Network (Hex) 0xCA668A40
Broadcast (Hex) 0xCA668A7F
Address Type Public / Globally Routable

Binary Representation

Network Address
11001010.01100110.10001010 11001010.01100110.10001010.01000000
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 202.102.138.64/26 into 2 equal /27 subnets (30 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 202.102.138.64/27 202.102.138.64 202.102.138.65 202.102.138.94 202.102.138.95 30
2 202.102.138.96/27 202.102.138.96 202.102.138.97 202.102.138.126 202.102.138.127 30

IP Address Sample

Showing first 16 of 64 total IPs.

202.102.138.64 net
202.102.138.65
202.102.138.66
202.102.138.67
202.102.138.68
202.102.138.69
202.102.138.70
202.102.138.71
202.102.138.72
202.102.138.73
202.102.138.74
202.102.138.75
202.102.138.76
202.102.138.77
202.102.138.78
202.102.138.79
… 48 more IPs …

/26 Subnet Reference

Total IPs 64
Usable Hosts 62
Subnet Mask 255.255.255.192
Wildcard 0.0.0.63

Calculate Another