154.252.221.32/27

Public

Class B — /27 prefix — 30 usable hosts

Network Address
154.252.221.32
Broadcast Address
154.252.221.63
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
154.252.221.33
Last Usable IP
154.252.221.62
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (154.252.221.32). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 154.252.221.63 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 154.252.221.32/27
Network Address 154.252.221.32
Broadcast Address 154.252.221.63
Subnet Mask 255.255.255.224
Wildcard Mask 0.0.0.31
Prefix Length /27
IP Address Class Class B
Total IP Addresses 32
Usable Host Addresses 30
First Usable IP 154.252.221.33
Last Usable IP 154.252.221.62
Network (Hex) 0x9AFCDD20
Broadcast (Hex) 0x9AFCDD3F
Address Type Public / Globally Routable

Binary Representation

Network Address
10011010.11111100.11011101 10011010.11111100.11011101.00100000
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 154.252.221.32/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 154.252.221.32/28 154.252.221.32 154.252.221.33 154.252.221.46 154.252.221.47 14
2 154.252.221.48/28 154.252.221.48 154.252.221.49 154.252.221.62 154.252.221.63 14

IP Address Sample

Showing first 16 of 32 total IPs.

154.252.221.32 net
154.252.221.33
154.252.221.34
154.252.221.35
154.252.221.36
154.252.221.37
154.252.221.38
154.252.221.39
154.252.221.40
154.252.221.41
154.252.221.42
154.252.221.43
154.252.221.44
154.252.221.45
154.252.221.46
154.252.221.47
… 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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