3.151.99.32/27

Public

Class A — /27 prefix — 30 usable hosts

Network Address
3.151.99.32
Broadcast Address
3.151.99.63
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
3.151.99.33
Last Usable IP
3.151.99.62
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (3.151.99.32). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 3.151.99.63 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 3.151.99.32/27
Network Address 3.151.99.32
Broadcast Address 3.151.99.63
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 3.151.99.33
Last Usable IP 3.151.99.62
Network (Hex) 0x03976320
Broadcast (Hex) 0x0397633F
Address Type Public / Globally Routable

Binary Representation

Network Address
00000011.10010111.01100011 00000011.10010111.01100011.00100000
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 3.151.99.32/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 3.151.99.32/28 3.151.99.32 3.151.99.33 3.151.99.46 3.151.99.47 14
2 3.151.99.48/28 3.151.99.48 3.151.99.49 3.151.99.62 3.151.99.63 14

IP Address Sample

Showing first 16 of 32 total IPs.

3.151.99.32 net
3.151.99.33
3.151.99.34
3.151.99.35
3.151.99.36
3.151.99.37
3.151.99.38
3.151.99.39
3.151.99.40
3.151.99.41
3.151.99.42
3.151.99.43
3.151.99.44
3.151.99.45
3.151.99.46
3.151.99.47
… 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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