3.151.0.32/27

Public

Class A — /27 prefix — 30 usable hosts

Network Address
3.151.0.32
Broadcast Address
3.151.0.63
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
3.151.0.33
Last Usable IP
3.151.0.62
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (3.151.0.32). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 3.151.0.63 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 3.151.0.32/27
Network Address 3.151.0.32
Broadcast Address 3.151.0.63
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 3.151.0.33
Last Usable IP 3.151.0.62
Network (Hex) 0x03970020
Broadcast (Hex) 0x0397003F
Address Type Public / Globally Routable

Binary Representation

Network Address
00000011.10010111.00000000 00000011.10010111.00000000.00100000
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.

Subnet Breakdown — splitting into /28

This /27 block can be divided into 2 /28 subnets.

CIDR Network Broadcast First Usable Last Usable Hosts
3.151.0.32/28 3.151.0.32 3.151.0.47 3.151.0.33 3.151.0.46 14
3.151.0.48/28 3.151.0.48 3.151.0.63 3.151.0.49 3.151.0.62 14

IP Address Sample

Showing first 16 of 32 total IPs.

3.151.0.32 net
3.151.0.33
3.151.0.34
3.151.0.35
3.151.0.36
3.151.0.37
3.151.0.38
3.151.0.39
3.151.0.40
3.151.0.41
3.151.0.42
3.151.0.43
3.151.0.44
3.151.0.45
3.151.0.46
3.151.0.47
… 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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