23.90.213.64/27

Public

Class A — /27 prefix — 30 usable hosts

Network Address
23.90.213.64
Broadcast Address
23.90.213.95
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
23.90.213.65
Last Usable IP
23.90.213.94
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (23.90.213.64). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 23.90.213.95 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 23.90.213.64/27
Network Address 23.90.213.64
Broadcast Address 23.90.213.95
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 23.90.213.65
Last Usable IP 23.90.213.94
Network (Hex) 0x175AD540
Broadcast (Hex) 0x175AD55F
Address Type Public / Globally Routable

Binary Representation

Network Address
00010111.01011010.11010101 00010111.01011010.11010101.01000000
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 23.90.213.64/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 23.90.213.64/28 23.90.213.64 23.90.213.65 23.90.213.78 23.90.213.79 14
2 23.90.213.80/28 23.90.213.80 23.90.213.81 23.90.213.94 23.90.213.95 14

IP Address Sample

Showing first 16 of 32 total IPs.

23.90.213.64 net
23.90.213.65
23.90.213.66
23.90.213.67
23.90.213.68
23.90.213.69
23.90.213.70
23.90.213.71
23.90.213.72
23.90.213.73
23.90.213.74
23.90.213.75
23.90.213.76
23.90.213.77
23.90.213.78
23.90.213.79
… 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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