Whois Lookups

InterNIC -> Individual Registrar (sometimes more detail)

Web-based whois searches:

• http://www.internic.com/whois.html
• http://www.samspade.org
• http://www.geektools.com

CLI 'whois':

• Direct vs. Automatically Redirected
• whois [-h HOST] OBJECT

IP Address Assignments:

ARIN (http://www.arin.net): North America

• Max 256 results
• Query-by-record-type:
• - n: network address space
• - a: automation system
• - p: point of contact
• - o: organization
• - c: end-user customers
• Query-by-attribute:
• - @: match domain portion of an email address
• - ! : match handle or id
• - . : match by name
• Display flags:
• - + : FULL output (details for each match)
• - - : LIST output (summary only)

RIPE NCC (http://www.ripe.net): Europe, Middle East, Central Asia
APNIC (http://www.apnic.net): Asia and Pacific Region
AUNIC (http://www.aunic.net): Australia
LACNIC (http://www.lacnic.net): Latin America and Caribbean
AfriNIC (http://www.afrinic.net): Africa