144.221.70.32/27

Public

Class B — /27 prefix — 30 usable hosts

Network Address
144.221.70.32
Broadcast Address
144.221.70.63
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
144.221.70.33
Last Usable IP
144.221.70.62
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (144.221.70.32). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 144.221.70.63 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 144.221.70.32/27
Network Address 144.221.70.32
Broadcast Address 144.221.70.63
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 144.221.70.33
Last Usable IP 144.221.70.62
Network (Hex) 0x90DD4620
Broadcast (Hex) 0x90DD463F
Address Type Public / Globally Routable

Binary Representation

Network Address
10010000.11011101.01000110 10010000.11011101.01000110.00100000
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 144.221.70.32/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 144.221.70.32/28 144.221.70.32 144.221.70.33 144.221.70.46 144.221.70.47 14
2 144.221.70.48/28 144.221.70.48 144.221.70.49 144.221.70.62 144.221.70.63 14

IP Address Sample

Showing first 16 of 32 total IPs.

144.221.70.32 net
144.221.70.33
144.221.70.34
144.221.70.35
144.221.70.36
144.221.70.37
144.221.70.38
144.221.70.39
144.221.70.40
144.221.70.41
144.221.70.42
144.221.70.43
144.221.70.44
144.221.70.45
144.221.70.46
144.221.70.47
… 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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