Autonomous System Number (ASN)56173
ASN NameYAHOO-SG3
Organization NameYahoo Inc.
Descriptioninternet content provider
Org Handleorg-ya6-ap
CountrySG
TypeBUSINESS
Domain Nameyahooinc.com
HostAPNIC
Total IPv4 Routes25
Total IPv6 Routes6
Route Objects(Total 31 records)
OriginAS56173
Origin NameYahoo Inc.
ISPYahoo SG
Number of IPs1024
OriginAS56173
Origin NameYahoo Inc.
ISPYahoo SG
Number of IPs256
OriginAS56173
Origin NameYahoo Inc.
ISPYahoo APAC
Number of IPs256
Up Streams(Total 1 records)
OriginYahoo Holdings Inc.
CountryUS
Peers(Total 1 records)
OriginYahoo Holdings Inc.
CountryUS
Contacts
Email Contacts
rir-admin@yahooinc.com
Abuse Contacts
rir-abuse@yahooinc.com
Whois Response
Statustrue
Whois Serverwhois.apnic.net
AS Blocks
AS BlockAS55296 - AS56319
Description
APNIC ASN block
Admin Contacts
HM20-AP
Tech Contacts
HM20-AP
Remarks
These AS numbers are further assigned by APNIC
to APNIC members and end-users in the APNIC region
Maintained By
APNIC-HM
Maintained Lower
APNIC-HM
Date Updated2009-09-03
SourceAPNIC
Aut Numbers
Aut NumberAS56173
AS NameYAHOO-SG3
CountrySG
Description
internet content provider
OrganizationORG-YA6-AP
Admin Contacts
YI12-AP
Tech Contacts
YI12-AP
Abuse Contacts
AY527-AP
Maintained IRT
IRT-YAHOO-AP
Maintained Lower
MAINT-AP-YAHOO-INC
Maintained Routes
MAINT-AP-YAHOO-INC
Maintained By
APNIC-HM
Date Updated2021-01-11
SourceAPNIC
IRT Details
IRT HandleIRT-YAHOO-AP
IRT Address
701 First Avenue
Sunnyvale, CA 94089
IRT StreetFirst Avenue
IRT CitySunnyvale
IRT StateCA
Organization Details
TypeLIR
HandleORG-YA6-AP
NameYahoo Inc.
Address
770 Broadway
Email
rir-admin@yahooinc.com
Phone
+65-6809-8000
Fax No
+1-214-478-6657
Maintained By
APNIC-HM
Maintained Ref
APNIC-HM
Country
US
Date Updated2023-09-05
SourceAPNIC
Administrative Contacts
HandleYI12-AP
NameYAHOO INC
CountryUS
Address
701 First Avenue
Sunnyvale, CA 94089
Email
rir-admin@yahooinc.com
Phone
+1 408 349 3300
Fax
+1 408 349 3301
Admin Contacts
KT615-AP
Tech Contacts
KT615-AP
Remarks
send spam and abuse reports to rir-abuse@yahooinc.com
or visit http://abuse.yahoo.com
Notify
netops@yahoo-inc.com
Maintained By
MAINT-AP-YAHOO-INC
Date Updated2022-12-06
SourceAPNIC
Technical Contacts
HandleYI12-AP
NameYAHOO INC
CountryUS
Address
701 First Avenue
Sunnyvale, CA 94089
Email
rir-admin@yahooinc.com
Phone
+1 408 349 3300
Fax
+1 408 349 3301
Admin Contacts
KT615-AP
Tech Contacts
KT615-AP
Remarks
send spam and abuse reports to rir-abuse@yahooinc.com
or visit http://abuse.yahoo.com
Notify
netops@yahoo-inc.com
Maintained By
MAINT-AP-YAHOO-INC
Date Updated2022-12-06
SourceAPNIC
Abuse Contacts
HandleAY527-AP
NameABUSE YAHOOAP
CountryZZ
Address
701 First Avenue
Sunnyvale, CA 94089
Email
rir-admin@yahooinc.com
Abuse Mailbox
rir-abuse@yahooinc.com
Phone
+000000000
Admin Contacts
YI12-AP
Tech Contacts
YI12-AP
Remarks
Generated from irt object IRT-YAHOO-AP
rir-abuse@yahooinc.com was validated on 2025-08-27
rir-admin@yahooinc.com is invalid
Maintained By
APNIC-ABUSE
Date Updated2026-01-07
SourceAPNIC
