IPRangeExplorer

2.9.33.32/28

Public

Class A — /28 prefix — 14 usable hosts

Network Address
2.9.33.32
Broadcast Address
2.9.33.47
Subnet Mask
255.255.255.240
Usable Hosts
14
First Usable IP
2.9.33.33
Last Usable IP
2.9.33.46
Total IPs
16
Prefix Length
/28

Network address — the base address of the block (2.9.33.32). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 2.9.33.47 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 mask — 255.255.255.240 is the dotted-decimal equivalent of /28. Older tools and Cisco configs use this format instead of CIDR slash notation.

Full Details

CIDR Notation 2.9.33.32/28
Network Address 2.9.33.32
Broadcast Address 2.9.33.47
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 2.9.33.33
Last Usable IP 2.9.33.46
Network (Hex) 0x02092120
Broadcast (Hex) 0x0209212F
Address Type Public / Globally Routable

Binary Representation

Network Address
00000010.00001001.00100001 00000010.00001001.00100001.00100000
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 2.9.33.32/28 into 2 equal /29 subnets (6 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 2.9.33.32/29 2.9.33.32 2.9.33.33 2.9.33.38 2.9.33.39 6
2 2.9.33.40/29 2.9.33.40 2.9.33.41 2.9.33.46 2.9.33.47 6

All 16 IP Addresses in this Range

2.9.33.32 net
2.9.33.33
2.9.33.34
2.9.33.35
2.9.33.36
2.9.33.37
2.9.33.38
2.9.33.39
2.9.33.40
2.9.33.41
2.9.33.42
2.9.33.43
2.9.33.44
2.9.33.45
2.9.33.46
2.9.33.47 bcast

/28 Subnet Reference

Total IPs 16
Usable Hosts 14
Subnet Mask 255.255.255.240
Wildcard 0.0.0.15
Full /28 reference →

Related Ranges

Parent /27 block 2.9.33.32/27 Sibling /28 block 2.9.33.48/28

Adjacent Prefix Sizes

/26 62 hosts /27 30 hosts /28 14 hosts /29 6 hosts /30 2 hosts

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