143.204.57.32/27

Public

Class B — /27 prefix — 30 usable hosts

Network Address
143.204.57.32
Broadcast Address
143.204.57.63
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
143.204.57.33
Last Usable IP
143.204.57.62
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (143.204.57.32). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 143.204.57.63 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 143.204.57.32/27
Network Address 143.204.57.32
Broadcast Address 143.204.57.63
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 143.204.57.33
Last Usable IP 143.204.57.62
Network (Hex) 0x8FCC3920
Broadcast (Hex) 0x8FCC393F
Address Type Public / Globally Routable

Binary Representation

Network Address
10001111.11001100.00111001 10001111.11001100.00111001.00100000
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 143.204.57.32/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 143.204.57.32/28 143.204.57.32 143.204.57.33 143.204.57.46 143.204.57.47 14
2 143.204.57.48/28 143.204.57.48 143.204.57.49 143.204.57.62 143.204.57.63 14

IP Address Sample

Showing first 16 of 32 total IPs.

143.204.57.32 net
143.204.57.33
143.204.57.34
143.204.57.35
143.204.57.36
143.204.57.37
143.204.57.38
143.204.57.39
143.204.57.40
143.204.57.41
143.204.57.42
143.204.57.43
143.204.57.44
143.204.57.45
143.204.57.46
143.204.57.47
… 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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