42.237.8.64/27

Public

Class A — /27 prefix — 30 usable hosts

Network Address
42.237.8.64
Broadcast Address
42.237.8.95
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
42.237.8.65
Last Usable IP
42.237.8.94
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (42.237.8.64). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 42.237.8.95 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 42.237.8.64/27
Network Address 42.237.8.64
Broadcast Address 42.237.8.95
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 42.237.8.65
Last Usable IP 42.237.8.94
Network (Hex) 0x2AED0840
Broadcast (Hex) 0x2AED085F
Address Type Public / Globally Routable

Binary Representation

Network Address
00101010.11101101.00001000 00101010.11101101.00001000.01000000
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 42.237.8.64/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 42.237.8.64/28 42.237.8.64 42.237.8.65 42.237.8.78 42.237.8.79 14
2 42.237.8.80/28 42.237.8.80 42.237.8.81 42.237.8.94 42.237.8.95 14

IP Address Sample

Showing first 16 of 32 total IPs.

42.237.8.64 net
42.237.8.65
42.237.8.66
42.237.8.67
42.237.8.68
42.237.8.69
42.237.8.70
42.237.8.71
42.237.8.72
42.237.8.73
42.237.8.74
42.237.8.75
42.237.8.76
42.237.8.77
42.237.8.78
42.237.8.79
… 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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