8.239.87.0/27

Public

Class A — /27 prefix — 30 usable hosts

Network Address
8.239.87.0
Broadcast Address
8.239.87.31
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
8.239.87.1
Last Usable IP
8.239.87.30
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (8.239.87.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 8.239.87.31 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 8.239.87.0/27
Network Address 8.239.87.0
Broadcast Address 8.239.87.31
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 8.239.87.1
Last Usable IP 8.239.87.30
Network (Hex) 0x08EF5700
Broadcast (Hex) 0x08EF571F
Address Type Public / Globally Routable

Binary Representation

Network Address
00001000.11101111.01010111 00001000.11101111.01010111.00000000
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 8.239.87.0/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 8.239.87.0/28 8.239.87.0 8.239.87.1 8.239.87.14 8.239.87.15 14
2 8.239.87.16/28 8.239.87.16 8.239.87.17 8.239.87.30 8.239.87.31 14

IP Address Sample

Showing first 16 of 32 total IPs.

8.239.87.0 net
8.239.87.1
8.239.87.2
8.239.87.3
8.239.87.4
8.239.87.5
8.239.87.6
8.239.87.7
8.239.87.8
8.239.87.9
8.239.87.10
8.239.87.11
8.239.87.12
8.239.87.13
8.239.87.14
8.239.87.15
… 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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