IPRangeExplorer

204.15.8.64/26

Public

Class C — /26 prefix — 62 usable hosts

Network Address
204.15.8.64
Broadcast Address
204.15.8.127
Subnet Mask
255.255.255.192
Usable Hosts
62
First Usable IP
204.15.8.65
Last Usable IP
204.15.8.126
Total IPs
64
Prefix Length
/26

Network address — the base address of the block (204.15.8.64). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 204.15.8.127 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 mask — 255.255.255.192 is the dotted-decimal equivalent of /26. Older tools and Cisco configs use this format instead of CIDR slash notation.

Full Details

CIDR Notation 204.15.8.64/26
Network Address 204.15.8.64
Broadcast Address 204.15.8.127
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 204.15.8.65
Last Usable IP 204.15.8.126
Network (Hex) 0xCC0F0840
Broadcast (Hex) 0xCC0F087F
Address Type Public / Globally Routable

Binary Representation

Network Address
11001100.00001111.00001000 11001100.00001111.00001000.01000000
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 204.15.8.64/26 into 2 equal /27 subnets (30 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 204.15.8.64/27 204.15.8.64 204.15.8.65 204.15.8.94 204.15.8.95 30
2 204.15.8.96/27 204.15.8.96 204.15.8.97 204.15.8.126 204.15.8.127 30

IP Address Sample

Showing first 16 of 64 total IPs.

204.15.8.64 net
204.15.8.65
204.15.8.66
204.15.8.67
204.15.8.68
204.15.8.69
204.15.8.70
204.15.8.71
204.15.8.72
204.15.8.73
204.15.8.74
204.15.8.75
204.15.8.76
204.15.8.77
204.15.8.78
204.15.8.79
… 48 more IPs …

/26 Subnet Reference

Total IPs 64
Usable Hosts 62
Subnet Mask 255.255.255.192
Wildcard 0.0.0.63
Full /26 reference →

Related Ranges

Parent /25 block 204.15.8.0/25 Sibling /26 block 204.15.8.0/26

Adjacent Prefix Sizes

/24 254 hosts /25 126 hosts /26 62 hosts /27 30 hosts /28 14 hosts

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