245.252.17.64/27

Public

Class E (Reserved) — /27 prefix — 30 usable hosts

Network Address
245.252.17.64
Broadcast Address
245.252.17.95
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
245.252.17.65
Last Usable IP
245.252.17.94
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (245.252.17.64). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 245.252.17.95 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 245.252.17.64/27
Network Address 245.252.17.64
Broadcast Address 245.252.17.95
Subnet Mask 255.255.255.224
Wildcard Mask 0.0.0.31
Prefix Length /27
IP Address Class Class E (Reserved)
Total IP Addresses 32
Usable Host Addresses 30
First Usable IP 245.252.17.65
Last Usable IP 245.252.17.94
Network (Hex) 0xF5FC1140
Broadcast (Hex) 0xF5FC115F
Address Type Public / Globally Routable

Binary Representation

Network Address
11110101.11111100.00010001 11110101.11111100.00010001.01000000
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 245.252.17.64/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 245.252.17.64/28 245.252.17.64 245.252.17.65 245.252.17.78 245.252.17.79 14
2 245.252.17.80/28 245.252.17.80 245.252.17.81 245.252.17.94 245.252.17.95 14

IP Address Sample

Showing first 16 of 32 total IPs.

245.252.17.64 net
245.252.17.65
245.252.17.66
245.252.17.67
245.252.17.68
245.252.17.69
245.252.17.70
245.252.17.71
245.252.17.72
245.252.17.73
245.252.17.74
245.252.17.75
245.252.17.76
245.252.17.77
245.252.17.78
245.252.17.79
… 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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