128.188.252.192/27

Public

Class B — /27 prefix — 30 usable hosts

Network Address
128.188.252.192
Broadcast Address
128.188.252.223
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
128.188.252.193
Last Usable IP
128.188.252.222
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (128.188.252.192). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 128.188.252.223 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 128.188.252.192/27
Network Address 128.188.252.192
Broadcast Address 128.188.252.223
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 128.188.252.193
Last Usable IP 128.188.252.222
Network (Hex) 0x80BCFCC0
Broadcast (Hex) 0x80BCFCDF
Address Type Public / Globally Routable

Binary Representation

Network Address
10000000.10111100.11111100 10000000.10111100.11111100.11000000
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 128.188.252.192/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 128.188.252.192/28 128.188.252.192 128.188.252.193 128.188.252.206 128.188.252.207 14
2 128.188.252.208/28 128.188.252.208 128.188.252.209 128.188.252.222 128.188.252.223 14

IP Address Sample

Showing first 16 of 32 total IPs.

128.188.252.192 net
128.188.252.193
128.188.252.194
128.188.252.195
128.188.252.196
128.188.252.197
128.188.252.198
128.188.252.199
128.188.252.200
128.188.252.201
128.188.252.202
128.188.252.203
128.188.252.204
128.188.252.205
128.188.252.206
128.188.252.207
… 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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