159.155.20.64/26

Public

Class B — /26 prefix — 62 usable hosts

Network Address
159.155.20.64
Broadcast Address
159.155.20.127
Subnet Mask
255.255.255.192
Usable Hosts
62
First Usable IP
159.155.20.65
Last Usable IP
159.155.20.126
Total IPs
64
Prefix Length
/26

Network address — the base address of the block (159.155.20.64). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 159.155.20.127 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 159.155.20.64/26
Network Address 159.155.20.64
Broadcast Address 159.155.20.127
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 159.155.20.65
Last Usable IP 159.155.20.126
Network (Hex) 0x9F9B1440
Broadcast (Hex) 0x9F9B147F
Address Type Public / Globally Routable

Binary Representation

Network Address
10011111.10011011.00010100 10011111.10011011.00010100.01000000
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 159.155.20.64/26 into 2 equal /27 subnets (30 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 159.155.20.64/27 159.155.20.64 159.155.20.65 159.155.20.94 159.155.20.95 30
2 159.155.20.96/27 159.155.20.96 159.155.20.97 159.155.20.126 159.155.20.127 30

IP Address Sample

Showing first 16 of 64 total IPs.

159.155.20.64 net
159.155.20.65
159.155.20.66
159.155.20.67
159.155.20.68
159.155.20.69
159.155.20.70
159.155.20.71
159.155.20.72
159.155.20.73
159.155.20.74
159.155.20.75
159.155.20.76
159.155.20.77
159.155.20.78
159.155.20.79
… 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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