187.237.136.32/27

Public

Class B — /27 prefix — 30 usable hosts

Network Address
187.237.136.32
Broadcast Address
187.237.136.63
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
187.237.136.33
Last Usable IP
187.237.136.62
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (187.237.136.32). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 187.237.136.63 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 187.237.136.32/27
Network Address 187.237.136.32
Broadcast Address 187.237.136.63
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 187.237.136.33
Last Usable IP 187.237.136.62
Network (Hex) 0xBBED8820
Broadcast (Hex) 0xBBED883F
Address Type Public / Globally Routable

Binary Representation

Network Address
10111011.11101101.10001000 10111011.11101101.10001000.00100000
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 187.237.136.32/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 187.237.136.32/28 187.237.136.32 187.237.136.33 187.237.136.46 187.237.136.47 14
2 187.237.136.48/28 187.237.136.48 187.237.136.49 187.237.136.62 187.237.136.63 14

IP Address Sample

Showing first 16 of 32 total IPs.

187.237.136.32 net
187.237.136.33
187.237.136.34
187.237.136.35
187.237.136.36
187.237.136.37
187.237.136.38
187.237.136.39
187.237.136.40
187.237.136.41
187.237.136.42
187.237.136.43
187.237.136.44
187.237.136.45
187.237.136.46
187.237.136.47
… 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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