ASN AS24031 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS24031?

AS24031 is listed under Yahoo Inc..

What do peers, upstreams, and downstreams mean in ASN data?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access the full ASN tables?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS24031 Yahoo Inc. | IPGeolocation.io

ASN Lookup Tool

Search ASN

AS Data

IP Routes

Raw Whois

Parsed Whois

Peers

Upstreams

Downstreams

Contacts

Legacy Routes

Yahoo Inc. yahooinc.com

TW 0 Routes

AS Data

AS24031

AS24031 – Yahoo Inc.

AS Number	24031
AS Name	YAHOO-TPC
Organization	Yahoo Inc. (org-ya6-ap)
Country	TW
Website	yahooinc.com
Number of IPv4 Routes	0
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	APNIC
Date Allocated	N/A

ASN Intelligence API for production workflows

Use ASN data for AS24031 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

Access complete peers, upstreams, downstreams, routes, WHOIS, and contact intelligence via our API. Learn more

Get ASN API Key ASN API Docs

Raw Whois Response

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

% Information related to 'AS23552 - AS24575'

as-block:       AS23552 - AS24575
descr:          APNIC ASN block
remarks:        These AS numbers are further assigned by APNIC
remarks:        to APNIC members and end-users in the APNIC region
remarks:        AS23889 has been transfered to AfriNIC
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 'AS23955 - AS24084'

as-block:       AS23955 - AS24084
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 'AS24031'

% Abuse contact for 'AS24031' is 'rir-abuse@yahooinc.com'

aut-num:        AS24031
as-name:        YAHOO-TPC
descr:          Yahoo Inc.
country:        TW
import:         from AS17408 action pref=100; accept ANY
import:         from AS4637 action pref=100; accept ANY
import:         from AS2914 action pref=100; accept ANY
export:         to AS17408 announce AS24031
export:         to AS4637 announce AS24031
export:         to AS2914 announce AS24031
org:            ORG-YA6-AP
admin-c:        YT181-AP
tech-c:         YT181-AP
abuse-c:        AY527-AP
notify:         tw-netops@yahoo-inc.com
mnt-lower:      MAINT-AP-YAHOO-INC
mnt-routes:     MAINT-AP-YAHOO-INC
mnt-routes:     MAINT-TW-YAHOO
mnt-by:         APNIC-HM
mnt-irt:        IRT-YAHOO-AP
last-modified:  2024-05-03T06:40:16Z
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-admin@yahooinc.com was validated on 2026-04-03
remarks:        rir-abuse@yahooinc.com was validated on 2026-04-03
mnt-by:         MAINT-AP-YAHOO-INC
last-modified:  2026-04-03T21:28:03Z
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 is invalid
remarks:        rir-admin@yahooinc.com was validated on 2026-04-03
abuse-mailbox:  rir-abuse@yahooinc.com
mnt-by:         APNIC-ABUSE
last-modified:  2026-04-03T21:28:03Z
source:         APNIC

role:           YAHOO TAIWAN
address:        14 FL., 66 SAN-CHUNG RD.
address:        TAIPEI, TAIWAN
country:        TW
phone:          +886-2-2360-2888
fax-no:         +886-2-2360-2889
e-mail:         rir-admin@yahooinc.com
remarks:        send spam and abuse reports to rir-abuse@yahooinc.com
remarks:        or visit http://abuse.yahoo.com
admin-c:        TH325-AP
admin-c:        KT615-AP
tech-c:         TH325-AP
tech-c:         KT615-AP
nic-hdl:        YT181-AP
notify:         tw-netops@yahoo-inc.com
mnt-by:         MAINT-TW-YAHOO
last-modified:  2022-12-06T10:15:24Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.34 (WHOIS-UK2)

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.apnic.net",
  "as_blocks" : [ {
    "as_block" : "AS23552 - AS24575",
    "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", "AS23889 has been transfered to AfriNIC" ],
    "mnt_by" : [ "APNIC-HM" ],
    "mnt_lower" : [ "APNIC-HM" ],
    "date_updated" : "2009-09-29",
    "source" : "APNIC"
  }, {
    "as_block" : "AS23955 - AS24084",
    "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" ],
    "mnt_by" : [ "APNIC-HM" ],
    "mnt_lower" : [ "APNIC-HM" ],
    "date_updated" : "2008-09-04",
    "source" : "APNIC"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS24031",
    "as_name" : "YAHOO-TPC",
    "description" : [ "Yahoo Inc." ],
    "country" : "TW",
    "import" : [ "from AS17408 action pref=100; accept ANY", "from AS4637 action pref=100; accept ANY", "from AS2914 action pref=100; accept ANY" ],
    "export" : [ "to AS17408 announce AS24031", "to AS4637 announce AS24031", "to AS2914 announce AS24031" ],
    "organization" : "ORG-YA6-AP",
    "admin_contacts" : [ "YT181-AP" ],
    "tech_contacts" : [ "YT181-AP" ],
    "abuse_contacts" : [ "AY527-AP" ],
    "notify" : [ "tw-netops@yahoo-inc.com" ],
    "mnt_irt" : [ "IRT-YAHOO-AP" ],
    "mnt_lower" : [ "MAINT-AP-YAHOO-INC" ],
    "mnt_routes" : [ "MAINT-AP-YAHOO-INC", "MAINT-TW-YAHOO" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2024-05-03",
    "source" : "APNIC"
  } ],
  "irt" : {
    "handle" : "IRT-YAHOO-AP",
    "address" : [ "701 First Avenue", "Sunnyvale, CA 94089" ],
    "street" : "First Avenue",
    "city" : "Sunnyvale",
    "state" : "CA",
    "zip_code" : "94089",
    "email" : [ "rir-admin@yahooinc.com" ],
    "abuse_mailbox" : [ "rir-abuse@yahooinc.com" ],
    "admin_contacts" : [ "YI12-AP" ],
    "tech_contacts" : [ "YI12-AP" ],
    "remarks" : [ "rir-admin@yahooinc.com was validated on 2026-04-03", "rir-abuse@yahooinc.com was validated on 2026-04-03" ],
    "mnt_by" : [ "MAINT-AP-YAHOO-INC" ],
    "date_updated" : "2026-04-03",
    "source" : "APNIC"
  },
  "organization" : {
    "handle" : "ORG-YA6-AP",
    "name" : "Yahoo Inc.",
    "type" : "LIR",
    "address" : [ "770 Broadway" ],
    "street" : "Broadway",
    "country" : [ "US" ],
    "email" : [ "rir-admin@yahooinc.com" ],
    "phone" : [ "+65-6809-8000" ],
    "fax_no" : [ "+1-214-478-6657" ],
    "mnt_ref" : [ "APNIC-HM" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2023-09-05",
    "source" : "APNIC"
  },
  "administrative_contacts" : [ {
    "handle" : "YT181-AP",
    "name" : "YAHOO TAIWAN",
    "address" : [ "14 FL., 66 SAN-CHUNG RD.", "TAIPEI, TAIWAN" ],
    "street" : "San-chung Rd.",
    "city" : "Taipei",
    "country" : "TW",
    "email" : [ "rir-admin@yahooinc.com" ],
    "phone" : [ "+886-2-2360-2888" ],
    "fax_no" : [ "+886-2-2360-2889" ],
    "admin_contacts" : [ "TH325-AP", "KT615-AP" ],
    "tech_contacts" : [ "TH325-AP", "KT615-AP" ],
    "remarks" : [ "send spam and abuse reports to rir-abuse@yahooinc.com", "or visit http://abuse.yahoo.com" ],
    "notify" : [ "tw-netops@yahoo-inc.com" ],
    "mnt_by" : [ "MAINT-TW-YAHOO" ],
    "date_updated" : "2022-12-06",
    "source" : "APNIC",
    "addressCountry" : "TAIWAN"
  } ],
  "technical_contacts" : [ {
    "handle" : "YT181-AP",
    "name" : "YAHOO TAIWAN",
    "address" : [ "14 FL., 66 SAN-CHUNG RD.", "TAIPEI, TAIWAN" ],
    "street" : "San-chung Rd.",
    "city" : "Taipei",
    "country" : "TW",
    "email" : [ "rir-admin@yahooinc.com" ],
    "phone" : [ "+886-2-2360-2888" ],
    "fax_no" : [ "+886-2-2360-2889" ],
    "admin_contacts" : [ "TH325-AP", "KT615-AP" ],
    "tech_contacts" : [ "TH325-AP", "KT615-AP" ],
    "remarks" : [ "send spam and abuse reports to rir-abuse@yahooinc.com", "or visit http://abuse.yahoo.com" ],
    "notify" : [ "tw-netops@yahoo-inc.com" ],
    "mnt_by" : [ "MAINT-TW-YAHOO" ],
    "date_updated" : "2022-12-06",
    "source" : "APNIC",
    "addressCountry" : "TAIWAN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "AY527-AP",
    "name" : "ABUSE YAHOOAP",
    "address" : [ "701 First Avenue", "Sunnyvale, CA 94089" ],
    "street" : "First Avenue",
    "city" : "Sunnyvale",
    "state" : "CA",
    "zip_code" : "94089",
    "country" : "ZZ",
    "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 is invalid", "rir-admin@yahooinc.com was validated on 2026-04-03" ],
    "mnt_by" : [ "APNIC-ABUSE" ],
    "date_updated" : "2026-04-03",
    "source" : "APNIC"
  } ]
}