25.166.13.0/27

Public

Class A — /27 prefix — 30 usable hosts

Network Address
25.166.13.0
Broadcast Address
25.166.13.31
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
25.166.13.1
Last Usable IP
25.166.13.30
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (25.166.13.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 25.166.13.31 are delivered to every device in the subnet. Also reserved — not assignable.

Usable hosts — the 30 addresses between those two that you can assign to servers, VMs, or interfaces.

Subnet mask255.255.255.224 is the dotted-decimal equivalent of /27. Older tools and Cisco configs use this format instead of CIDR slash notation.

Full Details

CIDR Notation 25.166.13.0/27
Network Address 25.166.13.0
Broadcast Address 25.166.13.31
Subnet Mask 255.255.255.224
Wildcard Mask 0.0.0.31
Prefix Length /27
IP Address Class Class A
Total IP Addresses 32
Usable Host Addresses 30
First Usable IP 25.166.13.1
Last Usable IP 25.166.13.30
Network (Hex) 0x19A60D00
Broadcast (Hex) 0x19A60D1F
Address Type Public / Globally Routable

Binary Representation

Network Address
00011001.10100110.00001101 00011001.10100110.00001101.00000000
Subnet Mask
11111111.11111111.11111111.11100000

The first 27 bits (1s in the mask) identify the network. The remaining 5 bits identify hosts within the network.

Split into Equal Subnets

Split 25.166.13.0/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 25.166.13.0/28 25.166.13.0 25.166.13.1 25.166.13.14 25.166.13.15 14
2 25.166.13.16/28 25.166.13.16 25.166.13.17 25.166.13.30 25.166.13.31 14

IP Address Sample

Showing first 16 of 32 total IPs.

25.166.13.0 net
25.166.13.1
25.166.13.2
25.166.13.3
25.166.13.4
25.166.13.5
25.166.13.6
25.166.13.7
25.166.13.8
25.166.13.9
25.166.13.10
25.166.13.11
25.166.13.12
25.166.13.13
25.166.13.14
25.166.13.15
… 16 more IPs …

/27 Subnet Reference

Total IPs 32
Usable Hosts 30
Subnet Mask 255.255.255.224
Wildcard 0.0.0.31

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