What is ASN AS131273?

ASN AS131273 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS131273?

AS131273 is listed under CORE WINNER CO.,LIMITED.

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.

AS131273 CORE WINNER CO.,LIMITED

CORE WINNER CO.,LIMITED corewinner.com

TW 5 Routes

AS Data

AS131273

AS131273 – CORE WINNER CO.,LIMITED

AS Number	131273
AS Name	CWCTB-AS-AP
Organization	CORE WINNER CO.,LIMITED (org-cwct1-ap)
Country	TW
Website	corewinner.com
Number of IPv4 Routes	5
Number of IPv6 Routes	0
ASN type	ISP
Registry	APNIC
Date Allocated	N/A

ASN Intelligence API for production workflows

Use ASN data for AS131273 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

IP Ranges

Route	Origin	Origin Name	ISP	# IPs
156.242.9.0/24	AS131273	CORE WINNER CO.,LIMITED	Core Winner Co., Ltd.	256
150.116.53.0/24	AS131273	CORE WINNER CO.,LIMITED	Chief Telecom Inc.	256
103.117.106.0/24	AS131273	CORE WINNER CO.,LIMITED	CORE WINNER CO.,LIMITED	256
103.68.138.0/24	AS131273	CORE WINNER CO.,LIMITED	CORE WINNER CO.,LIMITED	256
150.116.80.0/24	AS131273	CORE WINNER CO.,LIMITED	Chief Telecom Inc.	256

Raw Whois Response

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

% Information related to 'AS131072 - AS132095'

as-block:       AS131072 - AS132095
descr:          APNIC 32-bit 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:  2009-09-29T05:34:08Z
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 'AS131273'

% Abuse contact for 'AS131273' is 'op@corewinner.com'

aut-num:        AS131273
as-name:        CWCTB-AS-AP
descr:          CORE WINNER CO.,LIMITED
country:        TW
org:            ORG-CWCT1-AP
admin-c:        CWCT1-AP
tech-c:         CWCT1-AP
abuse-c:        AC2439-AP
mnt-lower:      MAINT-CWCTB-TW
mnt-routes:     MAINT-CWCTB-TW
mnt-by:         APNIC-HM
mnt-irt:        IRT-CWCTB-TW
last-modified:  2023-11-06T02:13:41Z
source:         APNIC

irt:            IRT-CWCTB-TW
address:        2F.-2, No. 408, Ruiguang Rd., Neihu Dist.
e-mail:         op@corewinner.com
abuse-mailbox:  op@corewinner.com
admin-c:        CWCT1-AP
tech-c:         CWCT1-AP
auth:           # Filtered
remarks:        op@corewinner.com was validated on 2026-04-02
mnt-by:         MAINT-CWCTB-TW
last-modified:  2026-04-02T06:17:02Z
source:         APNIC

organisation:   ORG-CWCT1-AP
org-name:       CORE WINNER CO.,LIMITED
org-type:       LIR
country:        TW
address:        9 F.-1, No. 192, Ruiguang Rd.
phone:          +886-2-77565213
e-mail:         op@corewinner.com
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2026-01-28T13:17:39Z
source:         APNIC

role:           ABUSE CWCTBTW
country:        ZZ
address:        2F.-2, No. 408, Ruiguang Rd., Neihu Dist.
phone:          +000000000
e-mail:         op@corewinner.com
admin-c:        CWCT1-AP
tech-c:         CWCT1-AP
nic-hdl:        AC2439-AP
remarks:        Generated from irt object IRT-CWCTB-TW
remarks:        op@corewinner.com was validated on 2026-04-02
abuse-mailbox:  op@corewinner.com
mnt-by:         APNIC-ABUSE
last-modified:  2026-04-02T06:17:41Z
source:         APNIC

role:           CORE WINNER COLIMITED TAIWAN BRANCH administrator
address:        2F.-2, No. 408, Ruiguang Rd., Neihu Dist.
country:        TW
phone:          +886-2-2796-3298
e-mail:         op@corewinner.com
admin-c:        CWCT1-AP
tech-c:         CWCT1-AP
nic-hdl:        CWCT1-AP
mnt-by:         MAINT-CWCTB-TW
last-modified:  2023-02-14T08:40:27Z
source:         APNIC

% Information related to 'AS131072 - AS132095'

as-block:       AS131072 - AS132095
descr:          APNIC 32-bit ASN block
admin-c:        IA55-AP
tech-c:         IH123-AP
mnt-by:         MNT-APJII-ID
mnt-lower:      MNT-APJII-ID
last-modified:  2026-02-25T07:12:54Z
source:         IDNIC

role:           ID-NIC ADMINISTRATORS
address:        Indonesian Network Information Center
address:        ID-NIC
address:        Cyber Building 11th Floor
address:        Jakarta 12710
country:        ID
phone:          +62-21-52960634
fax-no:         +62-21-52960635
e-mail:         hostmaster@idnic.net
admin-c:        IH288-AP
tech-c:         IH288-AP
nic-hdl:        IA55-AP
notify:         hostmaster@idnic.net
mnt-by:         MNT-APJII-ID
last-modified:  2026-02-25T04:06:45Z
source:         IDNIC

role:           ID-NIC HOSTMASTERS
address:        Indonesian Network Information Center
address:        ID-NIC
address:        Cyber Building 11th Floor
address:        Jakarta 12710
country:        ID
phone:          +62-21-52960634
fax-no:         +62-21-52960635
e-mail:         hostmaster@idnic.net
remarks:        spam and abuse report : abuse@apjii.or.id
remarks:        technical and routing : support@apjii.or.id
remarks:        administrative request : admin@apjii.or.id
remarks:        IDNIC hostmasters role object
admin-c:        IH1-AP
tech-c:         IH1-AP
nic-hdl:        IH123-AP
notify:         hostmaster@idnic.net
mnt-by:         MNT-APJII-ID
last-modified:  2024-07-10T05:48:59Z
source:         IDNIC

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

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.apnic.net",
  "as_blocks" : [ {
    "as_block" : "AS131072 - AS132095",
    "description" : [ "APNIC 32-bit 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" : "2009-09-29",
    "source" : "APNIC"
  }, {
    "as_block" : "AS131072 - AS132095",
    "description" : [ "APNIC 32-bit ASN block" ],
    "admin_contacts" : [ "IA55-AP" ],
    "tech_contacts" : [ "IH123-AP" ],
    "mnt_by" : [ "MNT-APJII-ID" ],
    "mnt_lower" : [ "MNT-APJII-ID" ],
    "date_updated" : "2026-02-25",
    "source" : "IDNIC"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS131273",
    "as_name" : "CWCTB-AS-AP",
    "description" : [ "CORE WINNER CO.,LIMITED" ],
    "country" : "TW",
    "organization" : "ORG-CWCT1-AP",
    "admin_contacts" : [ "CWCT1-AP" ],
    "tech_contacts" : [ "CWCT1-AP" ],
    "abuse_contacts" : [ "AC2439-AP" ],
    "mnt_irt" : [ "IRT-CWCTB-TW" ],
    "mnt_lower" : [ "MAINT-CWCTB-TW" ],
    "mnt_routes" : [ "MAINT-CWCTB-TW" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2023-11-06",
    "source" : "APNIC"
  } ],
  "irt" : {
    "handle" : "IRT-CWCTB-TW",
    "address" : [ "2F.-2, No. 408, Ruiguang Rd., Neihu Dist." ],
    "street" : "Ruiguang Rd.",
    "city" : "Neihu",
    "district" : "Dist.",
    "email" : [ "op@corewinner.com" ],
    "abuse_mailbox" : [ "op@corewinner.com" ],
    "admin_contacts" : [ "CWCT1-AP" ],
    "tech_contacts" : [ "CWCT1-AP" ],
    "remarks" : [ "op@corewinner.com was validated on 2026-04-02" ],
    "mnt_by" : [ "MAINT-CWCTB-TW" ],
    "date_updated" : "2026-04-02",
    "source" : "APNIC"
  },
  "organization" : {
    "handle" : "ORG-CWCT1-AP",
    "name" : "CORE WINNER CO.,LIMITED",
    "type" : "LIR",
    "address" : [ "9 F.-1, No. 192, Ruiguang Rd." ],
    "street" : "No. 192 Ruiguang Rd.",
    "country" : [ "TW" ],
    "email" : [ "op@corewinner.com" ],
    "phone" : [ "+886-2-77565213" ],
    "mnt_ref" : [ "APNIC-HM" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2026-01-28",
    "source" : "APNIC"
  },
  "administrative_contacts" : [ {
    "handle" : "CWCT1-AP",
    "name" : "CORE WINNER COLIMITED TAIWAN BRANCH administrator",
    "address" : [ "2F.-2, No. 408, Ruiguang Rd., Neihu Dist." ],
    "street" : "Ruiguang Rd.",
    "city" : "Neihu",
    "district" : "Dist.",
    "country" : "TW",
    "email" : [ "op@corewinner.com" ],
    "phone" : [ "+886-2-2796-3298" ],
    "admin_contacts" : [ "CWCT1-AP" ],
    "tech_contacts" : [ "CWCT1-AP" ],
    "mnt_by" : [ "MAINT-CWCTB-TW" ],
    "date_updated" : "2023-02-14",
    "source" : "APNIC"
  } ],
  "technical_contacts" : [ {
    "handle" : "CWCT1-AP",
    "name" : "CORE WINNER COLIMITED TAIWAN BRANCH administrator",
    "address" : [ "2F.-2, No. 408, Ruiguang Rd., Neihu Dist." ],
    "street" : "Ruiguang Rd.",
    "city" : "Neihu",
    "district" : "Dist.",
    "country" : "TW",
    "email" : [ "op@corewinner.com" ],
    "phone" : [ "+886-2-2796-3298" ],
    "admin_contacts" : [ "CWCT1-AP" ],
    "tech_contacts" : [ "CWCT1-AP" ],
    "mnt_by" : [ "MAINT-CWCTB-TW" ],
    "date_updated" : "2023-02-14",
    "source" : "APNIC"
  } ],
  "abuse_contacts" : [ {
    "handle" : "AC2439-AP",
    "name" : "ABUSE CWCTBTW",
    "address" : [ "2F.-2, No. 408, Ruiguang Rd., Neihu Dist." ],
    "street" : "Ruiguang Rd.",
    "city" : "Neihu",
    "district" : "Dist.",
    "country" : "ZZ",
    "email" : [ "op@corewinner.com" ],
    "abuse_mailbox" : [ "op@corewinner.com" ],
    "phone" : [ "+000000000" ],
    "admin_contacts" : [ "CWCT1-AP" ],
    "tech_contacts" : [ "CWCT1-AP" ],
    "remarks" : [ "Generated from irt object IRT-CWCTB-TW", "op@corewinner.com was validated on 2026-04-02" ],
    "mnt_by" : [ "APNIC-ABUSE" ],
    "date_updated" : "2026-04-02",
    "source" : "APNIC"
  } ]
}

Peers

AS Number	Description	Country
AS24482	SG.GS	SG
AS55720	Gigabit Hosting Sdn Bhd	MY
AS134823	Sky Digital Co., Ltd.	TW
AS10133	Chief Telecom Inc.	TW
AS3462	Chunghwa Telecom Co., Ltd.	TW
AS54801	Zillion Network Inc.	US
AS3462	Data Communication Business Group	TW
AS14537	Continent 8 LLC	US
AS213605	Liu HaoRan	CN
AS45352	IP ServerOne Solutions Sdn Bhd	MY

Upstreams

AS Number	Description	Country
AS3462	Chunghwa Telecom Co., Ltd.	TW
AS137409	GSL Networks Pty LTD	AU
AS4780	Digital United Inc.	TW

Downstreams

AS Number	Description	Country
AS63888	DATA WING LIMITED	HK
AS54801	Zillion Network Inc.	US
AS45352	IP ServerOne Solutions Sdn Bhd	MY
AS138915	Kaopu Cloud HK Limited	HK

Contacts

Email Contacts

hostmaster@idnic.net op@corewinner.com

Abuse Contacts

op@corewinner.com

ASN Lookup Tool

ASN Summary