4783 SYSNET-AS1 SYSTEX CORPORATION, TW
Adjacency: 1 Upstream: 1 Downstream: 0
Upstream Adjacent AS list
AS9924 TFN-TW Taiwan Fixed Network, Telco and Network Service Provider., TW
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 4730 AS4783 ORIGIN Originate: 40960 /16.68 Transit: 0 /0.00 SYSNET-AS1 SYSTEX CORPORATION, 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 % 11733 AS4783 SYSNET-AS1 SYSTEX CORPORATION, TW 7 5 2 4 3 42.86% Prefix AS Path Aggregation Suggestion 202.39.96.0/20 4777 2516 3491 9924 4783 210.63.0.0/18 4777 2516 3491 9924 4783 + Announce - aggregate of 210.63.0.0/19 (4777 2516 3491 9924 4783) and 210.63.32.0/19 (4777 2516 3491 9924 4783) 210.63.0.0/19 4777 2516 3491 9924 4783 - Withdrawn - aggregated with 210.63.32.0/19 (4777 2516 3491 9924 4783) 210.63.32.0/19 4777 2516 3491 9924 4783 - Withdrawn - aggregated with 210.63.0.0/19 (4777 2516 3491 9924 4783) 210.67.0.0/18 4777 2516 3491 9924 4783 + Announce - aggregate of 210.67.0.0/19 (4777 2516 3491 9924 4783) and 210.67.32.0/19 (4777 2516 3491 9924 4783) 210.67.0.0/20 4777 2516 3491 9924 4783 - Withdrawn - aggregated with 210.67.16.0/20 (4777 2516 3491 9924 4783) 210.67.16.0/20 4777 2516 3491 9924 4783 - Withdrawn - aggregated with 210.67.0.0/20 (4777 2516 3491 9924 4783) 210.67.32.0/19 4777 2516 3491 9924 4783 - Withdrawn - aggregated with 210.67.0.0/19 (4777 2516 3491 9924 4783) 210.67.112.0/20 4777 2516 3491 9924 4783
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS4783 7 More Specifics 7 Total Advertisements SYSNET-AS1 SYSTEX CORPORATION, TW
202.39.96.0/20 202.39.96.0/19
210.63.0.0/19 210.63.0.0/17
210.63.32.0/19 210.63.0.0/17
210.67.0.0/20 210.66.0.0/15
210.67.16.0/20 210.66.0.0/15
210.67.32.0/19 210.66.0.0/15
210.67.112.0/20 210.66.0.0/15
whois: 402332
IANA has recorded AS4783 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS4783\n % [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
% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-AU4)