143.204.237.0/27

Public

Class B — /27 prefix — 30 usable hosts

Network Address
143.204.237.0
Broadcast Address
143.204.237.31
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
143.204.237.1
Last Usable IP
143.204.237.30
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (143.204.237.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 143.204.237.31 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 143.204.237.0/27
Network Address 143.204.237.0
Broadcast Address 143.204.237.31
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 143.204.237.1
Last Usable IP 143.204.237.30
Network (Hex) 0x8FCCED00
Broadcast (Hex) 0x8FCCED1F
Address Type Public / Globally Routable

Binary Representation

Network Address
10001111.11001100.11101101 10001111.11001100.11101101.00000000
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.

Subnet Breakdown — splitting into /28

This /27 block can be divided into 2 /28 subnets.

CIDR Network Broadcast First Usable Last Usable Hosts
143.204.237.0/28 143.204.237.0 143.204.237.15 143.204.237.1 143.204.237.14 14
143.204.237.16/28 143.204.237.16 143.204.237.31 143.204.237.17 143.204.237.30 14

IP Address Sample

Showing first 16 of 32 total IPs.

143.204.237.0 net
143.204.237.1
143.204.237.2
143.204.237.3
143.204.237.4
143.204.237.5
143.204.237.6
143.204.237.7
143.204.237.8
143.204.237.9
143.204.237.10
143.204.237.11
143.204.237.12
143.204.237.13
143.204.237.14
143.204.237.15
… 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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