172.202.165.32/27

Public

Class B — /27 prefix — 30 usable hosts

Network Address
172.202.165.32
Broadcast Address
172.202.165.63
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
172.202.165.33
Last Usable IP
172.202.165.62
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (172.202.165.32). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 172.202.165.63 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 172.202.165.32/27
Network Address 172.202.165.32
Broadcast Address 172.202.165.63
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 172.202.165.33
Last Usable IP 172.202.165.62
Network (Hex) 0xACCAA520
Broadcast (Hex) 0xACCAA53F
Address Type Public / Globally Routable

Binary Representation

Network Address
10101100.11001010.10100101 10101100.11001010.10100101.00100000
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 172.202.165.32/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 172.202.165.32/28 172.202.165.32 172.202.165.33 172.202.165.46 172.202.165.47 14
2 172.202.165.48/28 172.202.165.48 172.202.165.49 172.202.165.62 172.202.165.63 14

IP Address Sample

Showing first 16 of 32 total IPs.

172.202.165.32 net
172.202.165.33
172.202.165.34
172.202.165.35
172.202.165.36
172.202.165.37
172.202.165.38
172.202.165.39
172.202.165.40
172.202.165.41
172.202.165.42
172.202.165.43
172.202.165.44
172.202.165.45
172.202.165.46
172.202.165.47
… 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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