178.237.241.64/27

Public

Class B — /27 prefix — 30 usable hosts

Network Address
178.237.241.64
Broadcast Address
178.237.241.95
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
178.237.241.65
Last Usable IP
178.237.241.94
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (178.237.241.64). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 178.237.241.95 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 178.237.241.64/27
Network Address 178.237.241.64
Broadcast Address 178.237.241.95
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 178.237.241.65
Last Usable IP 178.237.241.94
Network (Hex) 0xB2EDF140
Broadcast (Hex) 0xB2EDF15F
Address Type Public / Globally Routable

Binary Representation

Network Address
10110010.11101101.11110001 10110010.11101101.11110001.01000000
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 178.237.241.64/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 178.237.241.64/28 178.237.241.64 178.237.241.65 178.237.241.78 178.237.241.79 14
2 178.237.241.80/28 178.237.241.80 178.237.241.81 178.237.241.94 178.237.241.95 14

IP Address Sample

Showing first 16 of 32 total IPs.

178.237.241.64 net
178.237.241.65
178.237.241.66
178.237.241.67
178.237.241.68
178.237.241.69
178.237.241.70
178.237.241.71
178.237.241.72
178.237.241.73
178.237.241.74
178.237.241.75
178.237.241.76
178.237.241.77
178.237.241.78
178.237.241.79
… 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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