ASN Lookup Tool

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% 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 'AS23644 - AS23690'

as-block:       AS23644 - AS23690
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 'AS23675'

% Abuse contact for 'AS23675' is 'dns_admin@tsmc.com'

aut-num:        AS23675
as-name:        TSMCGDN-AS-AP
descr:          Taiwan Semiconductor Manufactoring Company, Ltd.
descr:          Transit AS
descr:          Global Data Network
descr:          Hsin-Chu, Taiwan
country:        TW
org:            ORG-TSMC1-AP
import:         from AS3462 action pref=50; accept ANY
import:         from AS702 action pref=50; accept ANY
import:         from AS4713 action pref=50; accept ANY
import:         from AS6461 action pref=50; accept ANY
export:         to AS3462 announce AS23675
export:         to AS702 announce AS23675
export:         to AS4713 announce AS23675
export:         to AS6461 announce AS23675
default:        to AS6461 action pref=10; networks ANY
remarks:        For routing problems with this ASN
remarks:        please contact tech-c
remarks:        For spam mail problems with this ASN
remarks:        please contact lolo_tzeng@tsmc.com.tw
admin-c:        LT898-AP
tech-c:         LT898-AP
notify:         lolo_tzeng@smc.com
mnt-by:         MAINT-TW-TWNIC
mnt-lower:      MAINT-TSMC
mnt-routes:     MAINT-TSMC
mnt-irt:        IRT-TSMC-TW
last-modified:  2018-10-03T12:17:42Z
source:         APNIC

irt:            IRT-TSMC-TW
address:        121, Park Ave. 3, Hsinchu Science Park, Hsinchu 300-77, Taiwan, R.O.C.
e-mail:         dns_admin@tsmc.com
abuse-mailbox:  dns_admin@tsmc.com
admin-c:        WC16-AP
tech-c:         WC16-AP
auth:           # Filtered
mnt-by:         MAINT-AP-ASIAINFRA
last-modified:  2025-11-18T00:29:30Z
source:         APNIC

organisation:   ORG-TSMC1-AP
org-name:       Taiwan Semiconductor Manufacturing Company, Ltd.
org-type:       LIR
country:        TW
address:        N0. 121, Park Ave 3
address:        Hsinchu Science Park
phone:          +886-3-5636688
e-mail:         dns_admin@tsmc.com
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:14:53Z
source:         APNIC

person:         Lolo Tzeng
address:        121, Park Ave. 3, Hsinchu Science Park, Hsinchu City
country:        TW
phone:          +886-3-5636688
e-mail:         lolo_tzeng@tsmc.com
nic-hdl:        LT898-AP
mnt-by:         MAINT-TSMC
last-modified:  2018-08-27T05:53:19Z
source:         APNIC

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