173.221.240.32/27

Public

Class B — /27 prefix — 30 usable hosts

Network Address
173.221.240.32
Broadcast Address
173.221.240.63
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
173.221.240.33
Last Usable IP
173.221.240.62
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (173.221.240.32). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 173.221.240.63 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 173.221.240.32/27
Network Address 173.221.240.32
Broadcast Address 173.221.240.63
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 173.221.240.33
Last Usable IP 173.221.240.62
Network (Hex) 0xADDDF020
Broadcast (Hex) 0xADDDF03F
Address Type Public / Globally Routable

Binary Representation

Network Address
10101101.11011101.11110000 10101101.11011101.11110000.00100000
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 173.221.240.32/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 173.221.240.32/28 173.221.240.32 173.221.240.33 173.221.240.46 173.221.240.47 14
2 173.221.240.48/28 173.221.240.48 173.221.240.49 173.221.240.62 173.221.240.63 14

IP Address Sample

Showing first 16 of 32 total IPs.

173.221.240.32 net
173.221.240.33
173.221.240.34
173.221.240.35
173.221.240.36
173.221.240.37
173.221.240.38
173.221.240.39
173.221.240.40
173.221.240.41
173.221.240.42
173.221.240.43
173.221.240.44
173.221.240.45
173.221.240.46
173.221.240.47
… 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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