104.199.225.64/28

Public

Class A — /28 prefix — 14 usable hosts

Network Address
104.199.225.64
Broadcast Address
104.199.225.79
Subnet Mask
255.255.255.240
Usable Hosts
14
First Usable IP
104.199.225.65
Last Usable IP
104.199.225.78
Total IPs
16
Prefix Length
/28

Network address — the base address of the block (104.199.225.64). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 104.199.225.79 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 104.199.225.64/28
Network Address 104.199.225.64
Broadcast Address 104.199.225.79
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 104.199.225.65
Last Usable IP 104.199.225.78
Network (Hex) 0x68C7E140
Broadcast (Hex) 0x68C7E14F
Address Type Public / Globally Routable

Binary Representation

Network Address
01101000.11000111.11100001 01101000.11000111.11100001.01000000
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 104.199.225.64/28 into 2 equal /29 subnets (6 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 104.199.225.64/29 104.199.225.64 104.199.225.65 104.199.225.70 104.199.225.71 6
2 104.199.225.72/29 104.199.225.72 104.199.225.73 104.199.225.78 104.199.225.79 6

All 16 IP Addresses in this Range

104.199.225.64 net
104.199.225.65
104.199.225.66
104.199.225.67
104.199.225.68
104.199.225.69
104.199.225.70
104.199.225.71
104.199.225.72
104.199.225.73
104.199.225.74
104.199.225.75
104.199.225.76
104.199.225.77
104.199.225.78
104.199.225.79 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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