144.220.45.32/27

Public

Class B — /27 prefix — 30 usable hosts

Network Address
144.220.45.32
Broadcast Address
144.220.45.63
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
144.220.45.33
Last Usable IP
144.220.45.62
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (144.220.45.32). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 144.220.45.63 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 144.220.45.32/27
Network Address 144.220.45.32
Broadcast Address 144.220.45.63
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 144.220.45.33
Last Usable IP 144.220.45.62
Network (Hex) 0x90DC2D20
Broadcast (Hex) 0x90DC2D3F
Address Type Public / Globally Routable

Binary Representation

Network Address
10010000.11011100.00101101 10010000.11011100.00101101.00100000
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 144.220.45.32/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 144.220.45.32/28 144.220.45.32 144.220.45.33 144.220.45.46 144.220.45.47 14
2 144.220.45.48/28 144.220.45.48 144.220.45.49 144.220.45.62 144.220.45.63 14

IP Address Sample

Showing first 16 of 32 total IPs.

144.220.45.32 net
144.220.45.33
144.220.45.34
144.220.45.35
144.220.45.36
144.220.45.37
144.220.45.38
144.220.45.39
144.220.45.40
144.220.45.41
144.220.45.42
144.220.45.43
144.220.45.44
144.220.45.45
144.220.45.46
144.220.45.47
… 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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