143.204.185.64/27

Public

Class B — /27 prefix — 30 usable hosts

Network Address
143.204.185.64
Broadcast Address
143.204.185.95
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
143.204.185.65
Last Usable IP
143.204.185.94
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (143.204.185.64). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 143.204.185.95 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 143.204.185.64/27
Network Address 143.204.185.64
Broadcast Address 143.204.185.95
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 143.204.185.65
Last Usable IP 143.204.185.94
Network (Hex) 0x8FCCB940
Broadcast (Hex) 0x8FCCB95F
Address Type Public / Globally Routable

Binary Representation

Network Address
10001111.11001100.10111001 10001111.11001100.10111001.01000000
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 143.204.185.64/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 143.204.185.64/28 143.204.185.64 143.204.185.65 143.204.185.78 143.204.185.79 14
2 143.204.185.80/28 143.204.185.80 143.204.185.81 143.204.185.94 143.204.185.95 14

IP Address Sample

Showing first 16 of 32 total IPs.

143.204.185.64 net
143.204.185.65
143.204.185.66
143.204.185.67
143.204.185.68
143.204.185.69
143.204.185.70
143.204.185.71
143.204.185.72
143.204.185.73
143.204.185.74
143.204.185.75
143.204.185.76
143.204.185.77
143.204.185.78
143.204.185.79
… 16 more IPs …

/27 Subnet Reference

Total IPs 32
Usable Hosts 30
Subnet Mask 255.255.255.224
Wildcard 0.0.0.31

Calculate Another