ASN Lookup Tool

Yahoo Inc. yahooinc.com JP JP 4 Routes

AS Data

AS38033

AS38033 – Yahoo Inc.

AS Number 38033
AS Name YAHOO-JP2-AP
Organization Yahoo Inc.(org-ya6-ap)
Country JP
Website yahooinc.com
Number of IPv4 Routes 3
Number of IPv6 Routes 1
ASN type BUSINESS
Registry APNIC
Date Allocated N/A

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IP Ranges

Route # IPs
180.222.99.0/24 256
180.222.106.0/24 256
180.222.107.0/24 256
2406:2000:9c::/48 ~1×10²⁴

Raw Whois Response

% [whois.apnic.net]
% Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html

% Information related to 'AS37888 - AS38911'

as-block:       AS37888 - AS38911
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:  2009-09-29T06:04:16Z
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 'AS37971 - AS38085'

as-block:       AS37971 - AS38085
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:  2008-09-04T06:40:26Z
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 'AS38033'

% Abuse contact for 'AS38033' is 'rir-abuse@yahooinc.com'

aut-num:        AS38033
as-name:        YAHOO-JP2-AP
descr:          internet content provider
country:        JP
import:         from AS10310 action pref=1600; accept ANY
import:         from AS17941 action pref=100; accept ANY
export:         to AS10310 announce AS38033
export:         to AS17941 announce AS38033
org:            ORG-YA6-AP
admin-c:        SD210-AP
tech-c:         SD210-AP
abuse-c:        AY527-AP
mnt-lower:      MAINT-AP-YAHOO-INC
mnt-routes:     MAINT-AP-YAHOO-INC
mnt-by:         APNIC-HM
mnt-irt:        IRT-YAHOO-AP
last-modified:  2021-01-11T00:24:39Z
source:         APNIC

irt:            IRT-YAHOO-AP
address:        701 First Avenue
address:        Sunnyvale, CA 94089
e-mail:         rir-admin@yahooinc.com
abuse-mailbox:  rir-abuse@yahooinc.com
admin-c:        YI12-AP
tech-c:         YI12-AP
auth:           # Filtered
remarks:        rir-abuse@yahooinc.com was validated on 2025-08-27
remarks:        rir-admin@yahooinc.com is invalid
mnt-by:         MAINT-AP-YAHOO-INC
last-modified:  2026-01-07T13:07:59Z
source:         APNIC

organisation:   ORG-YA6-AP
org-name:       Yahoo Inc.
org-type:       LIR
country:        US
address:        770 Broadway
phone:          +65-6809-8000
fax-no:         +1-214-478-6657
e-mail:         rir-admin@yahooinc.com
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:14:52Z
source:         APNIC

role:           ABUSE YAHOOAP
country:        ZZ
address:        701 First Avenue
address:        Sunnyvale, CA 94089
phone:          +000000000
e-mail:         rir-admin@yahooinc.com
admin-c:        YI12-AP
tech-c:         YI12-AP
nic-hdl:        AY527-AP
remarks:        Generated from irt object IRT-YAHOO-AP
remarks:        rir-abuse@yahooinc.com was validated on 2025-08-27
remarks:        rir-admin@yahooinc.com is invalid
abuse-mailbox:  rir-abuse@yahooinc.com
mnt-by:         APNIC-ABUSE
last-modified:  2026-01-07T13:09:03Z
source:         APNIC

person:         Stephen Dunn
address:        Rm2802, Sunning Plaza,
address:        10 Hysan Avenue, Causeway Bay, HongKong
country:        HK
phone:          +852-2159-7657
fax-no:         +852-2882-6890
e-mail:         stephend@yahoo-inc.com
nic-hdl:        SD210-AP
mnt-by:         MAINT-AP-YAHOO-INC
last-modified:  2008-09-04T07:35:40Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.34 (WHOIS-US2)



#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#


ASNumber:       37888 - 38046
ASName:         APNIC-37888
ASHandle:       AS37888
RegDate:        2005-06-09
Updated:        2024-09-03
Comment:        These AS numbers are not registered in the ARIN database.
Comment:        For details, refer to the APNIC Whois Database via
Comment:        WHOIS.APNIC.NET or http://wq.apnic.net/apnic-bin/whois.pl    
Ref:            https://rdap.arin.net/registry/autnum/37888

ResourceLink:  https://apps.db.ripe.net/db-web-ui/query
ResourceLink:  whois.apnic.net


OrgName:        Asia Pacific Network Information Centre
OrgId:          APNIC
Address:        PO Box 3646
City:           South Brisbane
StateProv:      QLD
PostalCode:     4101
Country:        AU
RegDate:        
Updated:        2012-01-24
Ref:            https://rdap.arin.net/registry/entity/APNIC

ReferralServer:  whois://whois.apnic.net
ResourceLink:  http://wq.apnic.net/whois-search/static/search.html

OrgAbuseHandle: AWC12-ARIN
OrgAbuseName:   APNIC Whois Contact
OrgAbusePhone:  +61 7 3858 3188 
OrgAbuseEmail:  search-apnic-not-arin@apnic.net
OrgAbuseRef:    https://rdap.arin.net/registry/entity/AWC12-ARIN

OrgTechHandle: AWC12-ARIN
OrgTechName:   APNIC Whois Contact
OrgTechPhone:  +61 7 3858 3188 
OrgTechEmail:  search-apnic-not-arin@apnic.net
OrgTechRef:    https://rdap.arin.net/registry/entity/AWC12-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#

[ JPNIC database provides information regarding IP address and ASN. Its use   ]
[ is restricted to network administration purposes. For further information,  ]
[ use 'whois -h whois.nic.ad.jp help'. To only display English output,        ]
[ add '/e' at the end of command, e.g. 'whois -h whois.nic.ad.jp xxx/e'.      ]

No match!!

Reference: WHOIS servers of RIRs
  APNIC WHOIS(whois.apnic.net)
  ARIN WHOIS(whois.arin.net)
  RIPE WHOIS(apps.db.ripe.net)
  LACNIC WHOIS(whois.lacnic.net)
  AfriNIC WHOIS(whois.afrinic.net)
% [whois.apnic.net]
% Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html

% Information related to 'AS37888 - AS38911'

as-block:       AS37888 - AS38911
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:  2009-09-29T06:04:16Z
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 'AS37971 - AS38085'

as-block:       AS37971 - AS38085
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:  2008-09-04T06:40:26Z
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 'AS38033'

% Abuse contact for 'AS38033' is 'rir-abuse@yahooinc.com'

aut-num:        AS38033
as-name:        YAHOO-JP2-AP
descr:          internet content provider
country:        JP
import:         from AS10310 action pref=1600; accept ANY
import:         from AS17941 action pref=100; accept ANY
export:         to AS10310 announce AS38033
export:         to AS17941 announce AS38033
org:            ORG-YA6-AP
admin-c:        SD210-AP
tech-c:         SD210-AP
abuse-c:        AY527-AP
mnt-lower:      MAINT-AP-YAHOO-INC
mnt-routes:     MAINT-AP-YAHOO-INC
mnt-by:         APNIC-HM
mnt-irt:        IRT-YAHOO-AP
last-modified:  2021-01-11T00:24:39Z
source:         APNIC

irt:            IRT-YAHOO-AP
address:        701 First Avenue
address:        Sunnyvale, CA 94089
e-mail:         rir-admin@yahooinc.com
abuse-mailbox:  rir-abuse@yahooinc.com
admin-c:        YI12-AP
tech-c:         YI12-AP
auth:           # Filtered
remarks:        rir-abuse@yahooinc.com was validated on 2025-08-27
remarks:        rir-admin@yahooinc.com is invalid
mnt-by:         MAINT-AP-YAHOO-INC
last-modified:  2026-01-07T13:07:59Z
source:         APNIC

organisation:   ORG-YA6-AP
org-name:       Yahoo Inc.
org-type:       LIR
country:        US
address:        770 Broadway
phone:          +65-6809-8000
fax-no:         +1-214-478-6657
e-mail:         rir-admin@yahooinc.com
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:14:52Z
source:         APNIC

role:           ABUSE YAHOOAP
country:        ZZ
address:        701 First Avenue
address:        Sunnyvale, CA 94089
phone:          +000000000
e-mail:         rir-admin@yahooinc.com
admin-c:        YI12-AP
tech-c:         YI12-AP
nic-hdl:        AY527-AP
remarks:        Generated from irt object IRT-YAHOO-AP
remarks:        rir-abuse@yahooinc.com was validated on 2025-08-27
remarks:        rir-admin@yahooinc.com is invalid
abuse-mailbox:  rir-abuse@yahooinc.com
mnt-by:         APNIC-ABUSE
last-modified:  2026-01-07T13:09:03Z
source:         APNIC

person:         Stephen Dunn
address:        Rm2802, Sunning Plaza,
address:        10 Hysan Avenue, Causeway Bay, HongKong
country:        HK
phone:          +852-2159-7657
fax-no:         +852-2882-6890
e-mail:         stephend@yahoo-inc.com
nic-hdl:        SD210-AP
mnt-by:         MAINT-AP-YAHOO-INC
last-modified:  2008-09-04T07:35:40Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.34 (WHOIS-US2)

Parsed Whois Response

Peers

AS Number Description Country
AS10310 Yahoo Holdings Inc. US
AS24506 Yahoo Global Holdings B.V. Taiwan Branch TW
AS17941 Equinix Japan Enterprise K.K. JP

Upstreams

AS Number Description Country
AS24506 Yahoo Global Holdings B.V. Taiwan Branch TW

Contacts

Email Contacts

stephend@yahoo-inc.com

Abuse Contacts

rir-abuse@yahooinc.com

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Frequently Asked Questions

ASN AS38033 is an Autonomous System Number used to identify a network for BGP internet routing.
AS38033 is listed under Yahoo Inc..
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.