[mike@oftheother Shared]$ whois 172.16.0.0\n\nOrgName:    Internet Assigned Numbers Authority\nOrgID:      IANA\nAddress:    4676 Admiralty Way, Suite 330\nCity:       Marina del Rey\nStateProv:  CA\nPostalCode: 90292-6695\nCountry:    US\n\nNetRange:   172.16.0.0 - 172.31.255.255\nCIDR:       172.16.0.0/12\nNetName:    IANA-BBLK-RESERVED\nNetHandle:  NET-172-16-0-0-1\nParent:     NET-172-0-0-0-0\nNetType:    IANA Special Use\nNameServer: BLACKHOLE-1.IANA.ORG\nNameServer: BLACKHOLE-2.IANA.ORG\nComment:    This block is reserved for special purposes.\nComment:    Please see RFC 1918 for additional information.\nComment:\nRegDate:    1994-03-15\nUpdated:    2002-09-12\n\nOrgAbuseHandle: IANA-IP-ARIN\nOrgAbuseName:   Internet Corporation for Assigned Names and Number\nOrgAbusePhone:  +1-310-301-5820\nOrgAbuseEmail:  abuse@iana.org\n\nOrgTechHandle: IANA-IP-ARIN\nOrgTechName:   Internet Corporation for Assigned Names and Number\nOrgTechPhone:  +1-310-301-5820\nOrgTechEmail:  abuse@iana.org\n\n# ARIN WHOIS database, last updated 2005-10-18 19:10\n# Enter ? for additional hints on searching ARIN's WHOIS database.