Professional IP address management and network segmentation for your dedicated infrastructure
Main Server
192.168.1.0/24
DMZ
10.0.1.0/24
Database
172.16.1.0/24
Subnets are logical subdivisions of IP networks that enhance security, performance, and management of your dedicated server infrastructure.
A subnet (subnetwork) is a logical subdivision of an IP network. It allows you to divide a large network into smaller, more manageable segments, improving security and performance while reducing network congestion.
Classless Inter-Domain Routing (CIDR) notation uses a slash followed by a number to indicate the network portion of an IP address. For example, 192.168.1.0/24 means the first 24 bits are the network portion.
Main Network
192.168.0.0/16
65,536 addresses
Subdivided into
Subnet A
192.168.1.0/24
254 hosts
Subnet B
192.168.2.0/24
254 hosts
Isolate network segments to contain security breaches and limit access.
Reduce network congestion by limiting broadcast domains.
Organize and manage network resources more efficiently.
Easily expand your network infrastructure as your business grows.
Choose the right subnet configuration for your dedicated server infrastructure needs.
Internet-facing resources
Example: 203.0.113.0/24
Internal resources only
Example: 10.0.1.0/24
Demilitarized zone
Example: 172.16.0.0/24
Common subnet masks and their host capacities
| CIDR | Subnet Mask | Hosts | Use Case |
|---|---|---|---|
| /24 | 255.255.255.0 | 254 | Small networks |
| /25 | 255.255.255.128 | 126 | Department networks |
| /26 | 255.255.255.192 | 62 | Team networks |
| /27 | 255.255.255.224 | 30 | Point-to-point links |
| /28 | 255.255.255.240 | 14 | Small server groups |
Best practices and tools for managing your subnet infrastructure effectively.
Design your subnet structure before implementation. Consider future growth and leave room for expansion.
Implement a clear naming convention for subnets that reflects their purpose and location.
Maintain detailed documentation of your subnet configurations, IP assignments, and network topology.
Regularly monitor subnet utilization and performance to identify potential issues early.
Centralized IP address tracking and allocation
Real-time subnet performance monitoring
Automated vulnerability assessment
Automated subnet provisioning and updates
Running out of available IP addresses in a subnet.
Solution: Implement VLSM (Variable Length Subnet Masking) or migrate to IPv6.
Excessive broadcast traffic overwhelming the network.
Solution: Implement smaller subnets and proper VLAN segmentation.
Packets circulating endlessly between routers.
Solution: Implement proper routing protocols and loop prevention mechanisms.
Unauthorized access between network segments.
Solution: Implement proper firewall rules and access control lists (ACLs).
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