248.252.252.128/27

Public

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

Network Address
248.252.252.128
Broadcast Address
248.252.252.159
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
248.252.252.129
Last Usable IP
248.252.252.158
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (248.252.252.128). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 248.252.252.159 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 248.252.252.128/27
Network Address 248.252.252.128
Broadcast Address 248.252.252.159
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 248.252.252.129
Last Usable IP 248.252.252.158
Network (Hex) 0xF8FCFC80
Broadcast (Hex) 0xF8FCFC9F
Address Type Public / Globally Routable

Binary Representation

Network Address
11111000.11111100.11111100 11111000.11111100.11111100.10000000
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 248.252.252.128/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 248.252.252.128/28 248.252.252.128 248.252.252.129 248.252.252.142 248.252.252.143 14
2 248.252.252.144/28 248.252.252.144 248.252.252.145 248.252.252.158 248.252.252.159 14

IP Address Sample

Showing first 16 of 32 total IPs.

248.252.252.128 net
248.252.252.129
248.252.252.130
248.252.252.131
248.252.252.132
248.252.252.133
248.252.252.134
248.252.252.135
248.252.252.136
248.252.252.137
248.252.252.138
248.252.252.139
248.252.252.140
248.252.252.141
248.252.252.142
248.252.252.143
… 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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