131646 COREWINNER-AS-TW CORE WINNER CO.,LIMITED TAIWAN BRANCH, TW
Adjacency: 5 Upstream: 4 Downstream: 1
Upstream Adjacent AS list
AS137983 TIANFENG-AS-AP TIANFENG HONG KONG COMMUNICATIONS LIMITED, HK
AS140570 HKBCS-AS-AP Hong Kong Beecloud System Technology Services Limited, HK
AS54994 ML-1432-54994 - Meteverse Limited., CA
AS6939 HURRICANE - Hurricane Electric LLC, US
Downstream Adjacent AS list
AS142061 CWCTB-AS-AP CORE WINNER CO.,LIMITED TAIWAN BRANCH, TW
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 31164 AS131646 ORG+TRN Originate: 1536 /21.42 Transit: 512 /23.00 COREWINNER-AS-TW CORE WINNER CO.,LIMITED TAIWAN BRANCH, TW
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 % 53079 AS131646 COREWINNER-AS-TW CORE WINNER CO.,LIMITED TAIW 6 0 0 6 0 0.00% Prefix AS Path Aggregation Suggestion 36.255.192.0/24 4777 4713 2914 137983 137983 137983 137983 131646 43.224.23.0/24 4777 2516 2914 54994 131646 43.229.155.0/24 4777 6939 131646 49.128.203.0/24 4777 4713 2914 54994 131646 103.183.126.0/24 4777 6939 131646 150.107.60.0/24 4777 4713 2914 137983 131646
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS131646 5 More Specifics 6 Total Advertisements COREWINNER-AS-TW CORE WINNER CO.,LIMITED TAIWAN BRANCH, TW
36.255.192.0/24 36.255.192.0/22
43.224.23.0/24 43.224.20.0/22
43.229.155.0/24 43.229.152.0/22
49.128.203.0/24 49.128.192.0/19
150.107.60.0/24 150.107.60.0/22
whois: 402332
IANA has recorded AS131646 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS131646\n % [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 'AS131641 - AS131683'
as-block: AS131641 - AS131683
descr: TWNIC-TW-4-byte-AS-BLOCK1
descr: These AS numbers are further assigned by TWNIC
descr: to TWNIC members
country: TW
admin-c: TWA2-AP
tech-c: TWA2-AP
mnt-by: MAINT-TW-TWNIC
mnt-lower: MAINT-TW-TWNIC
last-modified: 2025-02-11T03:29:09Z
source: APNIC
role: TWNIC Whois Administrator
address: Taiwan Network Information Center
address: 3F., No. 123, Sec. 4, Bade Rd., Songshan Dist.,
address: Taipei, Taiwan, 105
country: TW
phone: +886-2-25289696
fax-no: +886-2-25287756
e-mail: hostmaster@twnic.net.tw
admin-c: ck373-AP
tech-c: TW922-AP
tech-c: NS10-AP
nic-hdl: TWA2-AP
notify: hostmaster@twnic.net.tw
mnt-by: MAINT-TW-TWNIC
last-modified: 2020-01-02T03:54:20Z
source: APNIC
% Information related to 'AS131646'
% Abuse contact for 'AS131646' is 'op@corewinner.com'
aut-num: AS131646
as-name: COREWINNER-AS-TW
descr: CORE WINNER CO.,LIMITED TAIWAN BRANCH
descr: 2F., No. 396, Sec. 1, Keelung Rd., Xinyi Dist.,
descr: Taipei City 110, Taiwan (R.O.C.)
country: TW
import: from AS134684 action pref=100; accept ANY
import: from AS45352 action pref=100; accept ANY
import: from AS136173 action pref=100; accept ANY
export: to AS3462 announce AS131646
export: to AS4780 announce AS131646
export: to AS6939 announce AS131646:AS-CWTW
default: to AS3462 action pref=10; networks ANY
admin-c: SKY17-AP
tech-c: CYW27-AP
abuse-c: AT939-AP
mnt-by: MAINT-TW-TWNIC
mnt-irt: IRT-CWTW-TW
last-modified: 2025-11-07T01:10:02Z
source: APNIC
irt: IRT-CWTW-TW
address: CORE WINNER CO.,LIMITED TAIWAN BRANCH
address: 2F., No. 396, Sec. 1, Keelung Rd., Xinyi Dist.,
address: Taipei City 110, Taiwan (R.O.C.)
e-mail: op@corewinner.com
abuse-mailbox: op@corewinner.com
admin-c: SKY17-AP
tech-c: CYW27-AP
auth: # Filtered
remarks: op@corewinner.com is invalid
mnt-by: MAINT-TW-TWNIC
last-modified: 2026-03-11T13:09:54Z
source: APNIC
role: ABUSE TWNICAP
country: ZZ
address: 3F., No. 123, Sec. 4, Bade Rd., Songshan Dist., Taipei 105, Taiwan
phone: +000000000
e-mail: hostmaster@twnic.tw
admin-c: TWA2-AP
tech-c: TWA2-AP
nic-hdl: AT939-AP
remarks: Generated from irt object IRT-TWNIC-AP
remarks: hostmaster@twnic.tw was validated on 2025-05-23
abuse-mailbox: hostmaster@twnic.tw
mnt-by: APNIC-ABUSE
last-modified: 2025-05-23T00:02:10Z
source: APNIC
person: Chen Yi Wu
address: 2F.-2, No. 408, Ruiguang Rd., Neihu Dist.
country: TW
phone: +886-2-2796-3298
e-mail: op@corewinner.com
nic-hdl: CYW27-AP
mnt-by: MAINT-TW-TWNIC
last-modified: 2025-08-28T07:32:08Z
source: APNIC
remarks: (hid:CW0105-S-TW)
person: Shih Kuan Yeh
address: 2F.-2, No. 408, Ruiguang Rd., Neihu Dist.
country: TW
phone: +886-2-2796-3298
e-mail: ysk@corewinner.com
nic-hdl: SKY17-AP
mnt-by: MAINT-TW-TWNIC
last-modified: 2023-03-24T01:04:40Z
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 1.88.36-SNAPSHOT (WHOIS-AU5)