39.166.52.64/28

Public

Class A — /28 prefix — 14 usable hosts

Network Address
39.166.52.64
Broadcast Address
39.166.52.79
Subnet Mask
255.255.255.240
Usable Hosts
14
First Usable IP
39.166.52.65
Last Usable IP
39.166.52.78
Total IPs
16
Prefix Length
/28

Network address — the base address of the block (39.166.52.64). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 39.166.52.79 are delivered to every device in the subnet. Also reserved — not assignable.

Usable hosts — the 14 addresses between those two that you can assign to servers, VMs, or interfaces.

Subnet mask255.255.255.240 is the dotted-decimal equivalent of /28. Older tools and Cisco configs use this format instead of CIDR slash notation.

Full Details

CIDR Notation 39.166.52.64/28
Network Address 39.166.52.64
Broadcast Address 39.166.52.79
Subnet Mask 255.255.255.240
Wildcard Mask 0.0.0.15
Prefix Length /28
IP Address Class Class A
Total IP Addresses 16
Usable Host Addresses 14
First Usable IP 39.166.52.65
Last Usable IP 39.166.52.78
Network (Hex) 0x27A63440
Broadcast (Hex) 0x27A6344F
Address Type Public / Globally Routable

Binary Representation

Network Address
00100111.10100110.00110100 00100111.10100110.00110100.01000000
Subnet Mask
11111111.11111111.11111111.11110000

The first 28 bits (1s in the mask) identify the network. The remaining 4 bits identify hosts within the network.

Split into Equal Subnets

Split 39.166.52.64/28 into 2 equal /29 subnets (6 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 39.166.52.64/29 39.166.52.64 39.166.52.65 39.166.52.70 39.166.52.71 6
2 39.166.52.72/29 39.166.52.72 39.166.52.73 39.166.52.78 39.166.52.79 6

All 16 IP Addresses in this Range

39.166.52.64 net
39.166.52.65
39.166.52.66
39.166.52.67
39.166.52.68
39.166.52.69
39.166.52.70
39.166.52.71
39.166.52.72
39.166.52.73
39.166.52.74
39.166.52.75
39.166.52.76
39.166.52.77
39.166.52.78
39.166.52.79 bcast

/28 Subnet Reference

Total IPs 16
Usable Hosts 14
Subnet Mask 255.255.255.240
Wildcard 0.0.0.15

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