16.18.76.144/28

Public

Class A — /28 prefix — 14 usable hosts

Network Address
16.18.76.144
Broadcast Address
16.18.76.159
Subnet Mask
255.255.255.240
Usable Hosts
14
First Usable IP
16.18.76.145
Last Usable IP
16.18.76.158
Total IPs
16
Prefix Length
/28

Network address — the base address of the block (16.18.76.144). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 16.18.76.159 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 16.18.76.144/28
Network Address 16.18.76.144
Broadcast Address 16.18.76.159
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 16.18.76.145
Last Usable IP 16.18.76.158
Network (Hex) 0x10124C90
Broadcast (Hex) 0x10124C9F
Address Type Public / Globally Routable

Binary Representation

Network Address
00010000.00010010.01001100 00010000.00010010.01001100.10010000
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 16.18.76.144/28 into 2 equal /29 subnets (6 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 16.18.76.144/29 16.18.76.144 16.18.76.145 16.18.76.150 16.18.76.151 6
2 16.18.76.152/29 16.18.76.152 16.18.76.153 16.18.76.158 16.18.76.159 6

All 16 IP Addresses in this Range

16.18.76.144 net
16.18.76.145
16.18.76.146
16.18.76.147
16.18.76.148
16.18.76.149
16.18.76.150
16.18.76.151
16.18.76.152
16.18.76.153
16.18.76.154
16.18.76.155
16.18.76.156
16.18.76.157
16.18.76.158
16.18.76.159 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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