171.103.63.64/26

Public

Class B — /26 prefix — 62 usable hosts

Network Address
171.103.63.64
Broadcast Address
171.103.63.127
Subnet Mask
255.255.255.192
Usable Hosts
62
First Usable IP
171.103.63.65
Last Usable IP
171.103.63.126
Total IPs
64
Prefix Length
/26

Network address — the base address of the block (171.103.63.64). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 171.103.63.127 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 171.103.63.64/26
Network Address 171.103.63.64
Broadcast Address 171.103.63.127
Subnet Mask 255.255.255.192
Wildcard Mask 0.0.0.63
Prefix Length /26
IP Address Class Class B
Total IP Addresses 64
Usable Host Addresses 62
First Usable IP 171.103.63.65
Last Usable IP 171.103.63.126
Network (Hex) 0xAB673F40
Broadcast (Hex) 0xAB673F7F
Address Type Public / Globally Routable

Binary Representation

Network Address
10101011.01100111.00111111 10101011.01100111.00111111.01000000
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 171.103.63.64/26 into 2 equal /27 subnets (30 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 171.103.63.64/27 171.103.63.64 171.103.63.65 171.103.63.94 171.103.63.95 30
2 171.103.63.96/27 171.103.63.96 171.103.63.97 171.103.63.126 171.103.63.127 30

IP Address Sample

Showing first 16 of 64 total IPs.

171.103.63.64 net
171.103.63.65
171.103.63.66
171.103.63.67
171.103.63.68
171.103.63.69
171.103.63.70
171.103.63.71
171.103.63.72
171.103.63.73
171.103.63.74
171.103.63.75
171.103.63.76
171.103.63.77
171.103.63.78
171.103.63.79
… 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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