162.51.101.128/27

Public

Class B — /27 prefix — 30 usable hosts

Network Address
162.51.101.128
Broadcast Address
162.51.101.159
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
162.51.101.129
Last Usable IP
162.51.101.158
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (162.51.101.128). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 162.51.101.159 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 162.51.101.128/27
Network Address 162.51.101.128
Broadcast Address 162.51.101.159
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 162.51.101.129
Last Usable IP 162.51.101.158
Network (Hex) 0xA2336580
Broadcast (Hex) 0xA233659F
Address Type Public / Globally Routable

Binary Representation

Network Address
10100010.00110011.01100101 10100010.00110011.01100101.10000000
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 162.51.101.128/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 162.51.101.128/28 162.51.101.128 162.51.101.129 162.51.101.142 162.51.101.143 14
2 162.51.101.144/28 162.51.101.144 162.51.101.145 162.51.101.158 162.51.101.159 14

IP Address Sample

Showing first 16 of 32 total IPs.

162.51.101.128 net
162.51.101.129
162.51.101.130
162.51.101.131
162.51.101.132
162.51.101.133
162.51.101.134
162.51.101.135
162.51.101.136
162.51.101.137
162.51.101.138
162.51.101.139
162.51.101.140
162.51.101.141
162.51.101.142
162.51.101.143
… 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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