This AS is not currently used to announce prefixes in the global routing table, nor is it used as a visible transit AS.
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS131679 4 More Specifics 7 Total Advertisements GANGUTECH-AS-TW Gangu Tech Co., Ltd., TW
154.19.176.0/21 154.19.0.0/16
154.19.176.0/24 154.19.0.0/16
154.19.177.0/24 154.19.0.0/16
154.19.178.0/24 154.19.0.0/16
Prefixes added and withdrawn by this origin AS in the past 7 days.
+ 154.19.176.0/21 Announced
+ 154.19.176.0/24 Announced
+ 154.19.177.0/24 Announced
+ 154.19.178.0/24 Announced
whois: 402590
IANA has recorded AS131679 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS131679\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 'AS131679'
% Abuse contact for 'AS131679' is 'op@corewinner.com'
aut-num: AS131679
as-name: COREWINNER-AS-TW
descr: CORE WINNER CO.,LIMITED TAIWAN BRANCH
descr: 2F.-2, No. 408, Ruiguang Rd., Neihu Dist.
descr: Taipei City 114, Taiwan (R.O.C.)
country: TW
admin-c: SKY17-AP
tech-c: CYW27-AP
mnt-by: MAINT-TW-TWNIC
mnt-irt: IRT-CWTW-TW
import: from AS10133 action pref=100; accept ANY
import: from AS174 action pref=110; accept ANY
export: to AS10133 announce AS131679
export: to AS174 announce AS131679
default: to AS10133 action pref=10; networks ANY
default: to AS174 action pref=20; networks ANY
last-modified: 2025-10-16T02:58:09Z
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 was validated on 2026-04-02
mnt-by: MAINT-TW-TWNIC
last-modified: 2026-04-02T06:17:01Z
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 1.88.48 (WHOIS-AU5)