47.129.81.64/26

Public

Class A — /26 prefix — 62 usable hosts

Network Address
47.129.81.64
Broadcast Address
47.129.81.127
Subnet Mask
255.255.255.192
Usable Hosts
62
First Usable IP
47.129.81.65
Last Usable IP
47.129.81.126
Total IPs
64
Prefix Length
/26

Network address — the base address of the block (47.129.81.64). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 47.129.81.127 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 47.129.81.64/26
Network Address 47.129.81.64
Broadcast Address 47.129.81.127
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 47.129.81.65
Last Usable IP 47.129.81.126
Network (Hex) 0x2F815140
Broadcast (Hex) 0x2F81517F
Address Type Public / Globally Routable

Binary Representation

Network Address
00101111.10000001.01010001 00101111.10000001.01010001.01000000
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 47.129.81.64/26 into 2 equal /27 subnets (30 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 47.129.81.64/27 47.129.81.64 47.129.81.65 47.129.81.94 47.129.81.95 30
2 47.129.81.96/27 47.129.81.96 47.129.81.97 47.129.81.126 47.129.81.127 30

IP Address Sample

Showing first 16 of 64 total IPs.

47.129.81.64 net
47.129.81.65
47.129.81.66
47.129.81.67
47.129.81.68
47.129.81.69
47.129.81.70
47.129.81.71
47.129.81.72
47.129.81.73
47.129.81.74
47.129.81.75
47.129.81.76
47.129.81.77
47.129.81.78
47.129.81.79
… 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