40.88.99.64/27

Public

Class A — /27 prefix — 30 usable hosts

Network Address
40.88.99.64
Broadcast Address
40.88.99.95
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
40.88.99.65
Last Usable IP
40.88.99.94
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (40.88.99.64). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 40.88.99.95 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 40.88.99.64/27
Network Address 40.88.99.64
Broadcast Address 40.88.99.95
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 40.88.99.65
Last Usable IP 40.88.99.94
Network (Hex) 0x28586340
Broadcast (Hex) 0x2858635F
Address Type Public / Globally Routable

Binary Representation

Network Address
00101000.01011000.01100011 00101000.01011000.01100011.01000000
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 40.88.99.64/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 40.88.99.64/28 40.88.99.64 40.88.99.65 40.88.99.78 40.88.99.79 14
2 40.88.99.80/28 40.88.99.80 40.88.99.81 40.88.99.94 40.88.99.95 14

IP Address Sample

Showing first 16 of 32 total IPs.

40.88.99.64 net
40.88.99.65
40.88.99.66
40.88.99.67
40.88.99.68
40.88.99.69
40.88.99.70
40.88.99.71
40.88.99.72
40.88.99.73
40.88.99.74
40.88.99.75
40.88.99.76
40.88.99.77
40.88.99.78
40.88.99.79
… 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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