25.181.255.64/26

Public

Class A — /26 prefix — 62 usable hosts

Network Address
25.181.255.64
Broadcast Address
25.181.255.127
Subnet Mask
255.255.255.192
Usable Hosts
62
First Usable IP
25.181.255.65
Last Usable IP
25.181.255.126
Total IPs
64
Prefix Length
/26

Network address — the base address of the block (25.181.255.64). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 25.181.255.127 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 25.181.255.64/26
Network Address 25.181.255.64
Broadcast Address 25.181.255.127
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 25.181.255.65
Last Usable IP 25.181.255.126
Network (Hex) 0x19B5FF40
Broadcast (Hex) 0x19B5FF7F
Address Type Public / Globally Routable

Binary Representation

Network Address
00011001.10110101.11111111 00011001.10110101.11111111.01000000
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 25.181.255.64/26 into 2 equal /27 subnets (30 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 25.181.255.64/27 25.181.255.64 25.181.255.65 25.181.255.94 25.181.255.95 30
2 25.181.255.96/27 25.181.255.96 25.181.255.97 25.181.255.126 25.181.255.127 30

IP Address Sample

Showing first 16 of 64 total IPs.

25.181.255.64 net
25.181.255.65
25.181.255.66
25.181.255.67
25.181.255.68
25.181.255.69
25.181.255.70
25.181.255.71
25.181.255.72
25.181.255.73
25.181.255.74
25.181.255.75
25.181.255.76
25.181.255.77
25.181.255.78
25.181.255.79
… 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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