203.13.7.128/26

Public

Class C — /26 prefix — 62 usable hosts

Network Address
203.13.7.128
Broadcast Address
203.13.7.191
Subnet Mask
255.255.255.192
Usable Hosts
62
First Usable IP
203.13.7.129
Last Usable IP
203.13.7.190
Total IPs
64
Prefix Length
/26

Network address — the base address of the block (203.13.7.128). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 203.13.7.191 are delivered to every device in the subnet. Also reserved — not assignable.

Usable hosts — the 62 addresses between those two that you can assign to servers, VMs, or interfaces.

Subnet mask255.255.255.192 is the dotted-decimal equivalent of /26. Older tools and Cisco configs use this format instead of CIDR slash notation.

Full Details

CIDR Notation 203.13.7.128/26
Network Address 203.13.7.128
Broadcast Address 203.13.7.191
Subnet Mask 255.255.255.192
Wildcard Mask 0.0.0.63
Prefix Length /26
IP Address Class Class C
Total IP Addresses 64
Usable Host Addresses 62
First Usable IP 203.13.7.129
Last Usable IP 203.13.7.190
Network (Hex) 0xCB0D0780
Broadcast (Hex) 0xCB0D07BF
Address Type Public / Globally Routable

Binary Representation

Network Address
11001011.00001101.00000111 11001011.00001101.00000111.10000000
Subnet Mask
11111111.11111111.11111111.11000000

The first 26 bits (1s in the mask) identify the network. The remaining 6 bits identify hosts within the network.

Split into Equal Subnets

Split 203.13.7.128/26 into 2 equal /27 subnets (30 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 203.13.7.128/27 203.13.7.128 203.13.7.129 203.13.7.158 203.13.7.159 30
2 203.13.7.160/27 203.13.7.160 203.13.7.161 203.13.7.190 203.13.7.191 30

IP Address Sample

Showing first 16 of 64 total IPs.

203.13.7.128 net
203.13.7.129
203.13.7.130
203.13.7.131
203.13.7.132
203.13.7.133
203.13.7.134
203.13.7.135
203.13.7.136
203.13.7.137
203.13.7.138
203.13.7.139
203.13.7.140
203.13.7.141
203.13.7.142
203.13.7.143
… 48 more IPs …

/26 Subnet Reference

Total IPs 64
Usable Hosts 62
Subnet Mask 255.255.255.192
Wildcard 0.0.0.63

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