143.201.43.128/27

Public

Class B — /27 prefix — 30 usable hosts

Network Address
143.201.43.128
Broadcast Address
143.201.43.159
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
143.201.43.129
Last Usable IP
143.201.43.158
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (143.201.43.128). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 143.201.43.159 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 143.201.43.128/27
Network Address 143.201.43.128
Broadcast Address 143.201.43.159
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 143.201.43.129
Last Usable IP 143.201.43.158
Network (Hex) 0x8FC92B80
Broadcast (Hex) 0x8FC92B9F
Address Type Public / Globally Routable

Binary Representation

Network Address
10001111.11001001.00101011 10001111.11001001.00101011.10000000
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 143.201.43.128/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 143.201.43.128/28 143.201.43.128 143.201.43.129 143.201.43.142 143.201.43.143 14
2 143.201.43.144/28 143.201.43.144 143.201.43.145 143.201.43.158 143.201.43.159 14

IP Address Sample

Showing first 16 of 32 total IPs.

143.201.43.128 net
143.201.43.129
143.201.43.130
143.201.43.131
143.201.43.132
143.201.43.133
143.201.43.134
143.201.43.135
143.201.43.136
143.201.43.137
143.201.43.138
143.201.43.139
143.201.43.140
143.201.43.141
143.201.43.142
143.201.43.143
… 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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