30.22.65.64/27

Public

Class A — /27 prefix — 30 usable hosts

Network Address
30.22.65.64
Broadcast Address
30.22.65.95
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
30.22.65.65
Last Usable IP
30.22.65.94
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (30.22.65.64). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 30.22.65.95 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 30.22.65.64/27
Network Address 30.22.65.64
Broadcast Address 30.22.65.95
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 30.22.65.65
Last Usable IP 30.22.65.94
Network (Hex) 0x1E164140
Broadcast (Hex) 0x1E16415F
Address Type Public / Globally Routable

Binary Representation

Network Address
00011110.00010110.01000001 00011110.00010110.01000001.01000000
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 30.22.65.64/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 30.22.65.64/28 30.22.65.64 30.22.65.65 30.22.65.78 30.22.65.79 14
2 30.22.65.80/28 30.22.65.80 30.22.65.81 30.22.65.94 30.22.65.95 14

IP Address Sample

Showing first 16 of 32 total IPs.

30.22.65.64 net
30.22.65.65
30.22.65.66
30.22.65.67
30.22.65.68
30.22.65.69
30.22.65.70
30.22.65.71
30.22.65.72
30.22.65.73
30.22.65.74
30.22.65.75
30.22.65.76
30.22.65.77
30.22.65.78
30.22.65.79
… 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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