45501 YAHOO-CORP-SG-AS-AP - Yahoo Corp Network, SG
Adjacency: 1 Upstream: 1 Downstream: 0
Upstream Adjacent AS list
AS10310 YAHOO-1 - Yahoo Holdings Inc., US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 50264 AS45501 ORIGIN Originate: 512 /23.00 Transit: 0 /0.00 YAHOO-CORP-SG-AS-AP - Yahoo Corp Network, SG
Aggregation Suggestions
Filter: Aggregates, Specifics
This report does not take into account conditions local to each origin AS in terms of policy or traffic engineering requirements, so this is an approximate guideline as to aggregation possibilities.
Rank AS AS Name Current Wthdw Aggte Annce Redctn % 44558 AS45501 YAHOO-CORP-SG-AS-AP - Yahoo Corp Network, SG 2 0 0 2 0 0.00% Prefix AS Path Aggregation Suggestion 117.104.189.0/24 4777 2516 10310 45501 202.89.121.0/24 4777 2516 10310 45501
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS45501 2 More Specifics 2 Total Advertisements YAHOO-CORP-SG-AS-AP - Yahoo Corp Network, SG
117.104.189.0/24 117.104.188.0/22
202.89.121.0/24 202.89.120.0/22
whois: 402609
IANA has recorded AS45501 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS45501\n % [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html
% Information related to 'AS45056 - AS46079'
as-block: AS45056 - AS46079
descr: APNIC ASN block
remarks: These AS numbers are further assigned by APNIC
remarks: to APNIC members and end-users in the APNIC region
admin-c: HM20-AP
tech-c: HM20-AP
mnt-by: APNIC-HM
mnt-lower: APNIC-HM
last-modified: 2009-09-29T05:48:11Z
source: APNIC
role: APNIC Hostmaster
address: 6 Cordelia Street
address: South Brisbane
address: QLD 4101
country: AU
phone: +61 7 3858 3100
fax-no: +61 7 3858 3199
e-mail: helpdesk@apnic.net
admin-c: AMS11-AP
tech-c: AH256-AP
nic-hdl: HM20-AP
remarks: Administrator for APNIC
notify: hostmaster@apnic.net
mnt-by: MAINT-APNIC-AP
last-modified: 2013-10-23T04:06:51Z
source: APNIC
% Information related to 'AS45501'
% Abuse contact for 'AS45501' is 'rir-abuse@yahooinc.com'
aut-num: AS45501
as-name: YAHOO-CORP-SG-AS-AP
descr: Yahoo Corp Network
descr: Singapore
country: SG
import: from AS10310 action pref=200; accept ANY
import: from AS18293 action pref=100; accept ANY
export: to AS10310 announce AS45501
export: to AS18293 announce AS45501
org: ORG-YI2-AP
admin-c: KT273-AP
tech-c: KT273-AP
abuse-c: AY531-AP
notify: kwtso@yahoo-inc.com
mnt-lower: MAINT-YAHOOISNET-HK
mnt-routes: MAINT-YAHOOISNET-HK
mnt-by: APNIC-HM
mnt-irt: IRT-YAHOOISNET-HK
last-modified: 2021-01-15T01:47:10Z
source: APNIC
irt: IRT-YAHOOISNET-HK
address: 701 First Avenue
address: Sunnyvale
e-mail: rir-admin@yahooinc.com
abuse-mailbox: rir-abuse@yahooinc.com
admin-c: BC365-AP
tech-c: KT273-AP
auth: # Filtered
remarks: rir-admin@yahooinc.com was validated on 2026-04-03
remarks: rir-abuse@yahooinc.com was validated on 2026-04-03
mnt-by: MAINT-YAHOOISNET-HK
last-modified: 2026-05-28T08:45:45Z
source: APNIC
organisation: ORG-YI2-AP
org-name: Yahoo IS-NET
org-type: LIR
country: HK
address: Suite 2707-13, 27F,
address: Devon House Taikoo Place,
address: 979 King's Rd,
address: Quarry Bay
phone: +852---21206875
e-mail: rir-admin@yahooinc.com
mnt-ref: APNIC-HM
mnt-by: APNIC-HM
last-modified: 2025-06-10T12:57:44Z
source: APNIC
role: ABUSE YAHOOISNETHK
country: ZZ
address: 701 First Avenue
address: Sunnyvale
phone: +000000000
e-mail: rir-admin@yahooinc.com
admin-c: BC365-AP
tech-c: KT273-AP
nic-hdl: AY531-AP
remarks: Generated from irt object IRT-YAHOOISNET-HK
remarks: rir-admin@yahooinc.com was validated on 2026-04-03
remarks: rir-abuse@yahooinc.com was validated on 2026-04-03
abuse-mailbox: rir-abuse@yahooinc.com
mnt-by: APNIC-ABUSE
last-modified: 2026-04-03T21:28:30Z
source: APNIC
person: Ka Wing Tso
nic-hdl: KT273-AP
e-mail: kwtso@yahoo-inc.com
address: 27/F, Sunning Plaza,
address: 10 Hysan Avenue,
address: Causeway Bay, Hong Kong
phone: +852-28376275
fax-no: +852-25041423
country: HK
mnt-by: MAINT-NEW
last-modified: 2008-09-04T07:49:45Z
source: APNIC
% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-AU4)