194.91.166.128/25

Public

Class C — /25 prefix — 126 usable hosts

Network Address
194.91.166.128
Broadcast Address
194.91.166.255
Subnet Mask
255.255.255.128
Usable Hosts
126
First Usable IP
194.91.166.129
Last Usable IP
194.91.166.254
Total IPs
128
Prefix Length
/25

Network address — the base address of the block (194.91.166.128). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 194.91.166.255 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 194.91.166.128/25
Network Address 194.91.166.128
Broadcast Address 194.91.166.255
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 194.91.166.129
Last Usable IP 194.91.166.254
Network (Hex) 0xC25BA680
Broadcast (Hex) 0xC25BA6FF
Address Type Public / Globally Routable

Binary Representation

Network Address
11000010.01011011.10100110 11000010.01011011.10100110.10000000
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.

Split into Equal Subnets

Split 194.91.166.128/25 into 2 equal /26 subnets (62 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 194.91.166.128/26 194.91.166.128 194.91.166.129 194.91.166.190 194.91.166.191 62
2 194.91.166.192/26 194.91.166.192 194.91.166.193 194.91.166.254 194.91.166.255 62

IP Address Sample

Showing first 16 of 128 total IPs.

194.91.166.128 net
194.91.166.129
194.91.166.130
194.91.166.131
194.91.166.132
194.91.166.133
194.91.166.134
194.91.166.135
194.91.166.136
194.91.166.137
194.91.166.138
194.91.166.139
194.91.166.140
194.91.166.141
194.91.166.142
194.91.166.143
… 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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