ASN Lookup Tool

% [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 'AS131584 - AS131639'

as-block:       AS131584 - AS131639
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 'AS131609'

% Abuse contact for 'AS131609' is 'sean@yuancheng.app'

aut-num:        AS131609
as-name:        YUANCHENG-AS-TW
descr:          Yuan Cheng Co., Ltd.
descr:          2F.-6, Aly. 6, Ln. 256, Sec. 2, Xitun Rd., Xitun Dist., Taichung City 407417 , Taiwan (R.O.C.)
country:        TW
admin-c:        TR660-AP
tech-c:         TR660-AP
mnt-by:         MAINT-TW-TWNIC
mnt-irt:        IRT-YUANCHENG-TW
import:         from AS134823 action pref=100; accept ANY
import:         from AS10133 action pref=99; accept ANY
export:         to AS134823 announce AS131609
export:         to AS10133 announce AS131609
default:        to AS134823 action pref=10; networks ANY
last-modified:  2026-03-09T02:14:33Z
source:         APNIC

irt:            IRT-YUANCHENG-TW
address:        Yuan Cheng Co., Ltd.
address:        2F.-6, Aly. 6, Ln. 256, Sec. 2, Xitun Rd., Xitun Dist., Taichung City 407417, Taiwan (R.O.C.)
phone:          +886937064595
e-mail:         sean@yuancheng.app
abuse-mailbox:  sean@yuancheng.app
admin-c:        TR660-AP
tech-c:         TR660-AP
remarks:        (oid:YUANCHENG)
auth:           # Filtered
last-modified:  2026-02-10T06:59:33Z
source:         APNIC
mnt-by:         MAINT-TW-TWNIC

role:           TWNIC ROLE-YUANCHENG
nic-hdl:        TR660-AP
address:        Yuan Cheng Co., Ltd.
address:        2F.-6, Aly. 6, Ln. 256, Sec. 2, Xitun Rd., Xitun Dist., Taichung City 407417, Taiwan (R.O.C.)
country:        TW
phone:          +886937064595
e-mail:         sean@yuancheng.app
abuse-mailbox:  sean@yuancheng.app
admin-c:        SY3193-AP
tech-c:         SY3193-AP
remarks:        (hid:SY2602100A-TW)
last-modified:  2026-02-10T06:59:27Z
source:         APNIC
mnt-by:         MAINT-TW-TWNIC

% 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

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