180.252.166.128/27

Public

Class B — /27 prefix — 30 usable hosts

Network Address
180.252.166.128
Broadcast Address
180.252.166.159
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
180.252.166.129
Last Usable IP
180.252.166.158
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (180.252.166.128). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 180.252.166.159 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 180.252.166.128/27
Network Address 180.252.166.128
Broadcast Address 180.252.166.159
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 180.252.166.129
Last Usable IP 180.252.166.158
Network (Hex) 0xB4FCA680
Broadcast (Hex) 0xB4FCA69F
Address Type Public / Globally Routable

Binary Representation

Network Address
10110100.11111100.10100110 10110100.11111100.10100110.10000000
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 180.252.166.128/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 180.252.166.128/28 180.252.166.128 180.252.166.129 180.252.166.142 180.252.166.143 14
2 180.252.166.144/28 180.252.166.144 180.252.166.145 180.252.166.158 180.252.166.159 14

IP Address Sample

Showing first 16 of 32 total IPs.

180.252.166.128 net
180.252.166.129
180.252.166.130
180.252.166.131
180.252.166.132
180.252.166.133
180.252.166.134
180.252.166.135
180.252.166.136
180.252.166.137
180.252.166.138
180.252.166.139
180.252.166.140
180.252.166.141
180.252.166.142
180.252.166.143
… 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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