Network & IP
Subnet calculators, VLAN planning, IP addressing and network topology tools for structured LAN/WAN design.
4 Live1 Planned5 Total
Available now
● Live
IP Subnet Calculator
Calculate subnet masks, CIDR notation, usable host counts, broadcast addresses and full network ranges from any IPv4 address.
Open Calculator →● LiveVLAN Planner
Plan and document VLAN segmentation, trunk assignments and inter-VLAN routing for structured network designs.
Open Calculator →● LiveDNS Record Checker
Query live DNS records for any domain. Check A, AAAA, MX, TXT, CNAME, NS and SOA records in real time using Cloudflare DNS over HTTPS.
Open Calculator →● LiveMAC Address Lookup
Identify the vendor behind any MAC address. Paste any format to get the OUI prefix, manufacturer name, address type and administration scope.
Open Calculator →Coming soon
○ Planned
IPv6 Prefix Calculator
Calculate IPv6 subnets, prefix lengths and address ranges for dual-stack environments.
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