30.2.234.128/27

Public

Class A — /27 prefix — 30 usable hosts

Network Address
30.2.234.128
Broadcast Address
30.2.234.159
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
30.2.234.129
Last Usable IP
30.2.234.158
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (30.2.234.128). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 30.2.234.159 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 30.2.234.128/27
Network Address 30.2.234.128
Broadcast Address 30.2.234.159
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 30.2.234.129
Last Usable IP 30.2.234.158
Network (Hex) 0x1E02EA80
Broadcast (Hex) 0x1E02EA9F
Address Type Public / Globally Routable

Binary Representation

Network Address
00011110.00000010.11101010 00011110.00000010.11101010.10000000
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 30.2.234.128/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 30.2.234.128/28 30.2.234.128 30.2.234.129 30.2.234.142 30.2.234.143 14
2 30.2.234.144/28 30.2.234.144 30.2.234.145 30.2.234.158 30.2.234.159 14

IP Address Sample

Showing first 16 of 32 total IPs.

30.2.234.128 net
30.2.234.129
30.2.234.130
30.2.234.131
30.2.234.132
30.2.234.133
30.2.234.134
30.2.234.135
30.2.234.136
30.2.234.137
30.2.234.138
30.2.234.139
30.2.234.140
30.2.234.141
30.2.234.142
30.2.234.143
… 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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