28.153.34.64/26

Public

Class A — /26 prefix — 62 usable hosts

Network Address
28.153.34.64
Broadcast Address
28.153.34.127
Subnet Mask
255.255.255.192
Usable Hosts
62
First Usable IP
28.153.34.65
Last Usable IP
28.153.34.126
Total IPs
64
Prefix Length
/26

Network address — the base address of the block (28.153.34.64). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 28.153.34.127 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 28.153.34.64/26
Network Address 28.153.34.64
Broadcast Address 28.153.34.127
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 28.153.34.65
Last Usable IP 28.153.34.126
Network (Hex) 0x1C992240
Broadcast (Hex) 0x1C99227F
Address Type Public / Globally Routable

Binary Representation

Network Address
00011100.10011001.00100010 00011100.10011001.00100010.01000000
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 28.153.34.64/26 into 2 equal /27 subnets (30 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 28.153.34.64/27 28.153.34.64 28.153.34.65 28.153.34.94 28.153.34.95 30
2 28.153.34.96/27 28.153.34.96 28.153.34.97 28.153.34.126 28.153.34.127 30

IP Address Sample

Showing first 16 of 64 total IPs.

28.153.34.64 net
28.153.34.65
28.153.34.66
28.153.34.67
28.153.34.68
28.153.34.69
28.153.34.70
28.153.34.71
28.153.34.72
28.153.34.73
28.153.34.74
28.153.34.75
28.153.34.76
28.153.34.77
28.153.34.78
28.153.34.79
… 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