87.2.5.0/26

Public

Class A — /26 prefix — 62 usable hosts

Network Address
87.2.5.0
Broadcast Address
87.2.5.63
Subnet Mask
255.255.255.192
Usable Hosts
62
First Usable IP
87.2.5.1
Last Usable IP
87.2.5.62
Total IPs
64
Prefix Length
/26

Network address — the base address of the block (87.2.5.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 87.2.5.63 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 87.2.5.0/26
Network Address 87.2.5.0
Broadcast Address 87.2.5.63
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 87.2.5.1
Last Usable IP 87.2.5.62
Network (Hex) 0x57020500
Broadcast (Hex) 0x5702053F
Address Type Public / Globally Routable

Binary Representation

Network Address
01010111.00000010.00000101 01010111.00000010.00000101.00000000
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 87.2.5.0/26 into 2 equal /27 subnets (30 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 87.2.5.0/27 87.2.5.0 87.2.5.1 87.2.5.30 87.2.5.31 30
2 87.2.5.32/27 87.2.5.32 87.2.5.33 87.2.5.62 87.2.5.63 30

IP Address Sample

Showing first 16 of 64 total IPs.

87.2.5.0 net
87.2.5.1
87.2.5.2
87.2.5.3
87.2.5.4
87.2.5.5
87.2.5.6
87.2.5.7
87.2.5.8
87.2.5.9
87.2.5.10
87.2.5.11
87.2.5.12
87.2.5.13
87.2.5.14
87.2.5.15
… 48 more IPs …

/26 Subnet Reference

Total IPs 64
Usable Hosts 62
Subnet Mask 255.255.255.192
Wildcard 0.0.0.63

Calculate Another