154.252.82.128/27

Public

Class B — /27 prefix — 30 usable hosts

Network Address
154.252.82.128
Broadcast Address
154.252.82.159
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
154.252.82.129
Last Usable IP
154.252.82.158
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (154.252.82.128). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 154.252.82.159 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 154.252.82.128/27
Network Address 154.252.82.128
Broadcast Address 154.252.82.159
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 154.252.82.129
Last Usable IP 154.252.82.158
Network (Hex) 0x9AFC5280
Broadcast (Hex) 0x9AFC529F
Address Type Public / Globally Routable

Binary Representation

Network Address
10011010.11111100.01010010 10011010.11111100.01010010.10000000
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 154.252.82.128/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 154.252.82.128/28 154.252.82.128 154.252.82.129 154.252.82.142 154.252.82.143 14
2 154.252.82.144/28 154.252.82.144 154.252.82.145 154.252.82.158 154.252.82.159 14

IP Address Sample

Showing first 16 of 32 total IPs.

154.252.82.128 net
154.252.82.129
154.252.82.130
154.252.82.131
154.252.82.132
154.252.82.133
154.252.82.134
154.252.82.135
154.252.82.136
154.252.82.137
154.252.82.138
154.252.82.139
154.252.82.140
154.252.82.141
154.252.82.142
154.252.82.143
… 16 more IPs …

/27 Subnet Reference

Total IPs 32
Usable Hosts 30
Subnet Mask 255.255.255.224
Wildcard 0.0.0.31

Calculate Another