Ask whois.arin.net ...
OrgName: Yahoo
OrgID: YHOO
Address: 701 First Ave
City: Sunnyvale
StateProv: CA
PostalCode: 94089
Country: US

NetRange: 69.147.64.0 - 69.147.127.255
CIDR: 69.147.64.0/18
NetName: A-YAHOO-US5
NetHandle: NET-69-147-64-0-1
Parent: NET-69-0-0-0-0
NetType: Direct Allocation
NameServer: NS1.YAHOO.COM
NameServer: NS2.YAHOO.COM
NameServer: NS3.YAHOO.COM
NameServer: NS4.YAHOO.COM
NameServer: NS5.YAHOO.COM
Comment:
RegDate: 2006-06-26
Updated: 2006-09-22

RAbuseHandle: NETWO857-ARIN
RAbuseName: Network Abuse
RAbusePhone: +1-408-349-3300
RAbuseEmail:

RTechHandle: NA258-ARIN
RTechName: Netblock Admin
RTechPhone: +1-408-349-3300
RTechEmail:

OrgAbuseHandle: NETWO857-ARIN
OrgAbuseName: Network Abuse
OrgAbusePhone: +1-408-349-3300
OrgAbuseEmail:

OrgTechHandle: NA258-ARIN
OrgTechName: Netblock Admin
OrgTechPhone: +1-408-349-3300
OrgTechEmail:

# ARIN WHOIS database, last updated 2007-06-05 19:10
# Enter ? for additional hints on searching ARIN's WHOIS database.

Cache Time:2007-06-06 16:54:30