27.107.84.0/25

Public

Class A — /25 prefix — 126 usable hosts

Network Address
27.107.84.0
Broadcast Address
27.107.84.127
Subnet Mask
255.255.255.128
Usable Hosts
126
First Usable IP
27.107.84.1
Last Usable IP
27.107.84.126
Total IPs
128
Prefix Length
/25

Network address — the base address of the block (27.107.84.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 27.107.84.127 are delivered to every device in the subnet. Also reserved — not assignable.

Usable hosts — the 126 addresses between those two that you can assign to servers, VMs, or interfaces.

Subnet mask255.255.255.128 is the dotted-decimal equivalent of /25. Older tools and Cisco configs use this format instead of CIDR slash notation.

Full Details

CIDR Notation 27.107.84.0/25
Network Address 27.107.84.0
Broadcast Address 27.107.84.127
Subnet Mask 255.255.255.128
Wildcard Mask 0.0.0.127
Prefix Length /25
IP Address Class Class A
Total IP Addresses 128
Usable Host Addresses 126
First Usable IP 27.107.84.1
Last Usable IP 27.107.84.126
Network (Hex) 0x1B6B5400
Broadcast (Hex) 0x1B6B547F
Address Type Public / Globally Routable

Binary Representation

Network Address
00011011.01101011.01010100 00011011.01101011.01010100.00000000
Subnet Mask
11111111.11111111.11111111.10000000

The first 25 bits (1s in the mask) identify the network. The remaining 7 bits identify hosts within the network.

Split into Equal Subnets

Split 27.107.84.0/25 into 2 equal /26 subnets (62 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 27.107.84.0/26 27.107.84.0 27.107.84.1 27.107.84.62 27.107.84.63 62
2 27.107.84.64/26 27.107.84.64 27.107.84.65 27.107.84.126 27.107.84.127 62

IP Address Sample

Showing first 16 of 128 total IPs.

27.107.84.0 net
27.107.84.1
27.107.84.2
27.107.84.3
27.107.84.4
27.107.84.5
27.107.84.6
27.107.84.7
27.107.84.8
27.107.84.9
27.107.84.10
27.107.84.11
27.107.84.12
27.107.84.13
27.107.84.14
27.107.84.15
… 112 more IPs …

/25 Subnet Reference

Total IPs 128
Usable Hosts 126
Subnet Mask 255.255.255.128
Wildcard 0.0.0.127

Calculate Another