47.129.84.128/27

Public

Class A — /27 prefix — 30 usable hosts

Network Address
47.129.84.128
Broadcast Address
47.129.84.159
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
47.129.84.129
Last Usable IP
47.129.84.158
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (47.129.84.128). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 47.129.84.159 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 47.129.84.128/27
Network Address 47.129.84.128
Broadcast Address 47.129.84.159
Subnet Mask 255.255.255.224
Wildcard Mask 0.0.0.31
Prefix Length /27
IP Address Class Class A
Total IP Addresses 32
Usable Host Addresses 30
First Usable IP 47.129.84.129
Last Usable IP 47.129.84.158
Network (Hex) 0x2F815480
Broadcast (Hex) 0x2F81549F
Address Type Public / Globally Routable

Binary Representation

Network Address
00101111.10000001.01010100 00101111.10000001.01010100.10000000
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 47.129.84.128/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 47.129.84.128/28 47.129.84.128 47.129.84.129 47.129.84.142 47.129.84.143 14
2 47.129.84.144/28 47.129.84.144 47.129.84.145 47.129.84.158 47.129.84.159 14

IP Address Sample

Showing first 16 of 32 total IPs.

47.129.84.128 net
47.129.84.129
47.129.84.130
47.129.84.131
47.129.84.132
47.129.84.133
47.129.84.134
47.129.84.135
47.129.84.136
47.129.84.137
47.129.84.138
47.129.84.139
47.129.84.140
47.129.84.141
47.129.84.142
47.129.84.143
… 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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