131.9.148.64/26

Public

Class B — /26 prefix — 62 usable hosts

Network Address
131.9.148.64
Broadcast Address
131.9.148.127
Subnet Mask
255.255.255.192
Usable Hosts
62
First Usable IP
131.9.148.65
Last Usable IP
131.9.148.126
Total IPs
64
Prefix Length
/26

Network address — the base address of the block (131.9.148.64). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 131.9.148.127 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 131.9.148.64/26
Network Address 131.9.148.64
Broadcast Address 131.9.148.127
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 131.9.148.65
Last Usable IP 131.9.148.126
Network (Hex) 0x83099440
Broadcast (Hex) 0x8309947F
Address Type Public / Globally Routable

Binary Representation

Network Address
10000011.00001001.10010100 10000011.00001001.10010100.01000000
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 131.9.148.64/26 into 2 equal /27 subnets (30 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 131.9.148.64/27 131.9.148.64 131.9.148.65 131.9.148.94 131.9.148.95 30
2 131.9.148.96/27 131.9.148.96 131.9.148.97 131.9.148.126 131.9.148.127 30

IP Address Sample

Showing first 16 of 64 total IPs.

131.9.148.64 net
131.9.148.65
131.9.148.66
131.9.148.67
131.9.148.68
131.9.148.69
131.9.148.70
131.9.148.71
131.9.148.72
131.9.148.73
131.9.148.74
131.9.148.75
131.9.148.76
131.9.148.77
131.9.148.78
131.9.148.79
… 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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