158.252.133.64/27

Public

Class B — /27 prefix — 30 usable hosts

Network Address
158.252.133.64
Broadcast Address
158.252.133.95
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
158.252.133.65
Last Usable IP
158.252.133.94
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (158.252.133.64). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 158.252.133.95 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 158.252.133.64/27
Network Address 158.252.133.64
Broadcast Address 158.252.133.95
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 158.252.133.65
Last Usable IP 158.252.133.94
Network (Hex) 0x9EFC8540
Broadcast (Hex) 0x9EFC855F
Address Type Public / Globally Routable

Binary Representation

Network Address
10011110.11111100.10000101 10011110.11111100.10000101.01000000
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 158.252.133.64/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 158.252.133.64/28 158.252.133.64 158.252.133.65 158.252.133.78 158.252.133.79 14
2 158.252.133.80/28 158.252.133.80 158.252.133.81 158.252.133.94 158.252.133.95 14

IP Address Sample

Showing first 16 of 32 total IPs.

158.252.133.64 net
158.252.133.65
158.252.133.66
158.252.133.67
158.252.133.68
158.252.133.69
158.252.133.70
158.252.133.71
158.252.133.72
158.252.133.73
158.252.133.74
158.252.133.75
158.252.133.76
158.252.133.77
158.252.133.78
158.252.133.79
… 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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