124.101.4.160/27

Public

Class A — /27 prefix — 30 usable hosts

Network Address
124.101.4.160
Broadcast Address
124.101.4.191
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
124.101.4.161
Last Usable IP
124.101.4.190
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (124.101.4.160). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 124.101.4.191 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 124.101.4.160/27
Network Address 124.101.4.160
Broadcast Address 124.101.4.191
Subnet Mask 255.255.255.224
Wildcard Mask 0.0.0.31
Prefix Length /27
IP Address Class Class A
Total IP Addresses 32
Usable Host Addresses 30
First Usable IP 124.101.4.161
Last Usable IP 124.101.4.190
Network (Hex) 0x7C6504A0
Broadcast (Hex) 0x7C6504BF
Address Type Public / Globally Routable

Binary Representation

Network Address
01111100.01100101.00000100 01111100.01100101.00000100.10100000
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.

Split into Equal Subnets

Split 124.101.4.160/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 124.101.4.160/28 124.101.4.160 124.101.4.161 124.101.4.174 124.101.4.175 14
2 124.101.4.176/28 124.101.4.176 124.101.4.177 124.101.4.190 124.101.4.191 14

IP Address Sample

Showing first 16 of 32 total IPs.

124.101.4.160 net
124.101.4.161
124.101.4.162
124.101.4.163
124.101.4.164
124.101.4.165
124.101.4.166
124.101.4.167
124.101.4.168
124.101.4.169
124.101.4.170
124.101.4.171
124.101.4.172
124.101.4.173
124.101.4.174
124.101.4.175
… 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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