Category:Networking

External Links

• Classless supernet calculator - Calculate ranges of addresses in CIDR notation, good for Apache allow/deny's, routing tables etc
  • http://www.subnet-calculator.com/cidr.php
• Subnet calculator
  • http://www.subnet-calculator.com/
• MAC Address manufacturer/vendor lookup - Get an idea of what device a MAC address may belong to, useful for trying to decode ARP tables
  • http://www.sandfordit.com/mac.php
• WhoIs by IP Address
  • https://www.ripe.net/data-tools/db (use the RIPE Database Search)
  • http://tools.whois.net/whoisbyip/