198.51.100.160/27

Public RFC 5737

Class C — /27 prefix — 30 usable hosts

Network Address
198.51.100.160
Broadcast Address
198.51.100.191
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
198.51.100.161
Last Usable IP
198.51.100.190
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (198.51.100.160). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 198.51.100.191 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 198.51.100.160/27
Network Address 198.51.100.160
Broadcast Address 198.51.100.191
Subnet Mask 255.255.255.224
Wildcard Mask 0.0.0.31
Prefix Length /27
IP Address Class Class C
Total IP Addresses 32
Usable Host Addresses 30
First Usable IP 198.51.100.161
Last Usable IP 198.51.100.190
Network (Hex) 0xC63364A0
Broadcast (Hex) 0xC63364BF
Governing RFC RFC 5737
Address Type Public / Globally Routable

Binary Representation

Network Address
11000110.00110011.01100100 11000110.00110011.01100100.10100000
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.

Subnet Breakdown — splitting into /28

This /27 block can be divided into 2 /28 subnets.

CIDR Network Broadcast First Usable Last Usable Hosts
198.51.100.160/28 198.51.100.160 198.51.100.175 198.51.100.161 198.51.100.174 14
198.51.100.176/28 198.51.100.176 198.51.100.191 198.51.100.177 198.51.100.190 14

IP Address Sample

Showing first 16 of 32 total IPs.

198.51.100.160 net
198.51.100.161
198.51.100.162
198.51.100.163
198.51.100.164
198.51.100.165
198.51.100.166
198.51.100.167
198.51.100.168
198.51.100.169
198.51.100.170
198.51.100.171
198.51.100.172
198.51.100.173
198.51.100.174
198.51.100.175
… 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