ASN Lookup Tool

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

% Information related to 'AS4608 - AS4865'

as-block:       AS4608 - AS4865
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:  2019-05-20T03:52:26Z
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 'AS4780 - AS4783'

as-block:       AS4780 - AS4783
descr:          TWNIC-TW-AS-BLOCK
remarks:        These AS numbers are further assigned by TWNIC
remarks:        to TWNIC members
admin-c:        TWA2-AP
tech-c:         TWA2-AP
mnt-by:         APNIC-HM
mnt-lower:      MAINT-TW-TWNIC
last-modified:  2017-06-29T23:47:07Z
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 'AS4783'

% Abuse contact for 'AS4783' is 'netservice@systex.com'

aut-num:        AS4783
as-name:        SYSNET-AS1
descr:          SYSTEX CORPORATION
descr:          SYSNET BUSINESS UINT
descr:          Taipei Taiwan R.O.C.
country:        TW
import:         from AS4778 action pref=101; accept ANY
import:         from AS4780 action pref=102; accept ANY
import:         from AS7481 action pref=103; accept ANY
import:         from AS7483 action pref=104; accept ANY
import:         from AS9311 action pref=105; accept ANY
export:         to AS4778 announce ANY
export:         to AS4780 announce ANY
export:         to AS7481 announce ANY
export:         to AS7483 announce ANY
export:         to AS9311 announce ANY
default:        to AS4780 action pref=101; networks ANY
admin-c:        JC4-AP
tech-c:         JC4-AP
abuse-c:        AT939-AP
mnt-by:         MAINT-TW-TWNIC
mnt-irt:        IRT-SYSNET-TW
last-modified:  2025-11-06T09:06:02Z
source:         APNIC

irt:            IRT-SYSNET-TW
address:        Systex Corporation SYSNET Business Department
e-mail:         netservice@systex.com
abuse-mailbox:  netservice@systex.com
admin-c:        DC45-AP
tech-c:         DC45-AP
auth:           # Filtered
mnt-by:         MAINT-TW-TWNIC
last-modified:  2025-11-06T07:49:14Z
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:         Jackie Chang
address:        SYSTEX CORPORATION
address:        SYSNET BUSINESS UINT
address:        12F 51, SEC. 2, CHUNG CHING SOUTH RD.,
address:        TAIPEI, TAIWAN, R.O.C.
country:        TW
phone:          +886-2-23569008 Ext.7933
fax-no:         +886-2-23568422
e-mail:         harrison@ms1.hinet.net
nic-hdl:        JC4-AP
mnt-by:         MAINT-AP-ATNETWORK
last-modified:  2008-09-04T07:29:14Z
source:         APNIC

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