199.9.248.128/25

Public

Class C — /25 prefix — 126 usable hosts

Network Address
199.9.248.128
Broadcast Address
199.9.248.255
Subnet Mask
255.255.255.128
Usable Hosts
126
First Usable IP
199.9.248.129
Last Usable IP
199.9.248.254
Total IPs
128
Prefix Length
/25

Network address — the base address of the block (199.9.248.128). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 199.9.248.255 are delivered to every device in the subnet. Also reserved — not assignable.

Usable hosts — the 126 addresses between those two that you can assign to servers, VMs, or interfaces.

Subnet mask255.255.255.128 is the dotted-decimal equivalent of /25. Older tools and Cisco configs use this format instead of CIDR slash notation.

Full Details

CIDR Notation 199.9.248.128/25
Network Address 199.9.248.128
Broadcast Address 199.9.248.255
Subnet Mask 255.255.255.128
Wildcard Mask 0.0.0.127
Prefix Length /25
IP Address Class Class C
Total IP Addresses 128
Usable Host Addresses 126
First Usable IP 199.9.248.129
Last Usable IP 199.9.248.254
Network (Hex) 0xC709F880
Broadcast (Hex) 0xC709F8FF
Address Type Public / Globally Routable

Binary Representation

Network Address
11000111.00001001.11111000 11000111.00001001.11111000.10000000
Subnet Mask
11111111.11111111.11111111.10000000

The first 25 bits (1s in the mask) identify the network. The remaining 7 bits identify hosts within the network.

Subnet Breakdown — splitting into /26

This /25 block can be divided into 2 /26 subnets.

CIDR Network Broadcast First Usable Last Usable Hosts
199.9.248.128/26 199.9.248.128 199.9.248.191 199.9.248.129 199.9.248.190 62
199.9.248.192/26 199.9.248.192 199.9.248.255 199.9.248.193 199.9.248.254 62

IP Address Sample

Showing first 16 of 128 total IPs.

199.9.248.128 net
199.9.248.129
199.9.248.130
199.9.248.131
199.9.248.132
199.9.248.133
199.9.248.134
199.9.248.135
199.9.248.136
199.9.248.137
199.9.248.138
199.9.248.139
199.9.248.140
199.9.248.141
199.9.248.142
199.9.248.143
… 112 more IPs …

/25 Subnet Reference

Total IPs 128
Usable Hosts 126
Subnet Mask 255.255.255.128
Wildcard 0.0.0.127

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