IP Lookups
- Network Information Center
- NIC Cards Mac Addressing
- RIPE NCC: Whois Queries
- checkdomain
- CNET Web Services
- Web Interface to Whois
- RIPE NCC Homepage
- Welcome to APNIC
- ad hoc IP Tools
- ARIN: Whois
- SamSpade
- WWW - Finger Gateway with Faces
- Class A Owners
