203.85.28.0/26

Public

Class C — /26 prefix — 62 usable hosts

Network Address
203.85.28.0
Broadcast Address
203.85.28.63
Subnet Mask
255.255.255.192
Usable Hosts
62
First Usable IP
203.85.28.1
Last Usable IP
203.85.28.62
Total IPs
64
Prefix Length
/26

Network address — the base address of the block (203.85.28.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 203.85.28.63 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 203.85.28.0/26
Network Address 203.85.28.0
Broadcast Address 203.85.28.63
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 203.85.28.1
Last Usable IP 203.85.28.62
Network (Hex) 0xCB551C00
Broadcast (Hex) 0xCB551C3F
Address Type Public / Globally Routable

Binary Representation

Network Address
11001011.01010101.00011100 11001011.01010101.00011100.00000000
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 203.85.28.0/26 into 2 equal /27 subnets (30 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 203.85.28.0/27 203.85.28.0 203.85.28.1 203.85.28.30 203.85.28.31 30
2 203.85.28.32/27 203.85.28.32 203.85.28.33 203.85.28.62 203.85.28.63 30

IP Address Sample

Showing first 16 of 64 total IPs.

203.85.28.0 net
203.85.28.1
203.85.28.2
203.85.28.3
203.85.28.4
203.85.28.5
203.85.28.6
203.85.28.7
203.85.28.8
203.85.28.9
203.85.28.10
203.85.28.11
203.85.28.12
203.85.28.13
203.85.28.14
203.85.28.15
… 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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