25.248.108.128/27

Public

Class A — /27 prefix — 30 usable hosts

Network Address
25.248.108.128
Broadcast Address
25.248.108.159
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
25.248.108.129
Last Usable IP
25.248.108.158
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (25.248.108.128). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 25.248.108.159 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 25.248.108.128/27
Network Address 25.248.108.128
Broadcast Address 25.248.108.159
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 25.248.108.129
Last Usable IP 25.248.108.158
Network (Hex) 0x19F86C80
Broadcast (Hex) 0x19F86C9F
Address Type Public / Globally Routable

Binary Representation

Network Address
00011001.11111000.01101100 00011001.11111000.01101100.10000000
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 25.248.108.128/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 25.248.108.128/28 25.248.108.128 25.248.108.129 25.248.108.142 25.248.108.143 14
2 25.248.108.144/28 25.248.108.144 25.248.108.145 25.248.108.158 25.248.108.159 14

IP Address Sample

Showing first 16 of 32 total IPs.

25.248.108.128 net
25.248.108.129
25.248.108.130
25.248.108.131
25.248.108.132
25.248.108.133
25.248.108.134
25.248.108.135
25.248.108.136
25.248.108.137
25.248.108.138
25.248.108.139
25.248.108.140
25.248.108.141
25.248.108.142
25.248.108.143
… 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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