191.147.4.64/26

Public

Class B — /26 prefix — 62 usable hosts

Network Address
191.147.4.64
Broadcast Address
191.147.4.127
Subnet Mask
255.255.255.192
Usable Hosts
62
First Usable IP
191.147.4.65
Last Usable IP
191.147.4.126
Total IPs
64
Prefix Length
/26

Network address — the base address of the block (191.147.4.64). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 191.147.4.127 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 191.147.4.64/26
Network Address 191.147.4.64
Broadcast Address 191.147.4.127
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 191.147.4.65
Last Usable IP 191.147.4.126
Network (Hex) 0xBF930440
Broadcast (Hex) 0xBF93047F
Address Type Public / Globally Routable

Binary Representation

Network Address
10111111.10010011.00000100 10111111.10010011.00000100.01000000
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 191.147.4.64/26 into 2 equal /27 subnets (30 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 191.147.4.64/27 191.147.4.64 191.147.4.65 191.147.4.94 191.147.4.95 30
2 191.147.4.96/27 191.147.4.96 191.147.4.97 191.147.4.126 191.147.4.127 30

IP Address Sample

Showing first 16 of 64 total IPs.

191.147.4.64 net
191.147.4.65
191.147.4.66
191.147.4.67
191.147.4.68
191.147.4.69
191.147.4.70
191.147.4.71
191.147.4.72
191.147.4.73
191.147.4.74
191.147.4.75
191.147.4.76
191.147.4.77
191.147.4.78
191.147.4.79
… 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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