Networking Tools
DNS, IP & Bandwidth
WHOIS, DNS, IP analysis, subnet math, and transfer time calculators — for network admins and developers.
WHOIS Lookup
Look up domain registration, registrar, expiry, and nameservers via public WHOIS services.
Subnet Calculator
Calculate network, broadcast, mask, and usable hosts from CIDR with VLSM splits.
IP Address Lookup
Find your public IP and classify any IPv4 or IPv6 address.
DNS Lookup
Query A, AAAA, MX, CNAME, TXT, NS, and SOA records via DNS-over-HTTPS.
Bandwidth Calculator
Estimate transfer time, convert data units, and project monthly usage.
All Networking Tools
Estimate transfer time, convert data units, and project monthly usage.
Query A, AAAA, MX, CNAME, TXT, NS, and SOA records via DNS-over-HTTPS.
Find your public IP and classify any IPv4 or IPv6 address.
Calculate network, broadcast, mask, and usable hosts from CIDR with VLSM splits.
Look up domain registration, registrar, expiry, and nameservers via public WHOIS services.