152614 ISTVC-EX-TW IMPROVE SYSTEM TECHNOLOGY CO., LTD., TW
Adjacency: 2 Upstream: 2 Downstream: 0
Upstream Adjacent AS list
AS212895 ROUTE64_ORG, DE
AS20473 AS-VULTR - The Constant Company, LLC, US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 68702 AS152614 ORIGIN Originate: 256 /24.00 Transit: 0 /0.00 ISTVC-EX-TW IMPROVE SYSTEM TECHNOLOGY CO., LTD., 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 % 58355 AS152614 ISTVC-EX-TW IMPROVE SYSTEM TECHNOLOGY CO., LT 1 0 0 1 0 0.00% Prefix AS Path Aggregation Suggestion 103.173.94.0/24 4777 20473 152614
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS152614 1 More Specifics 1 Total Advertisements ISTVC-EX-TW IMPROVE SYSTEM TECHNOLOGY CO., LTD., TW
103.173.94.0/24 103.173.94.0/23
whois: 402332
IANA has recorded AS152614 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS152614\n % [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html
% Information related to 'AS151866 - AS152889'
as-block: AS151866 - AS152889
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: 2023-05-11T00:08:47Z
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 'AS152609 - AS152628'
as-block: AS152609 - AS152628
descr: TWNIC-TW-4-byte-AS-BLOCK1
descr: These AS numbers are further assigned by TWNIC
descr: to TWNIC members
country: TW
org: ORG-TNIC1-AP
admin-c: TWA2-AP
tech-c: TWA2-AP
mnt-by: MAINT-TW-TWNIC
mnt-lower: MAINT-TW-TWNIC
last-modified: 2024-03-04T22:37:07Z
source: APNIC
organisation: ORG-TNIC1-AP
org-name: Taiwan Network Information Center
org-type: NIR
country: TW
address: 4 F-2, No.9 Roosevelt Rd. Sec. 2
phone: +886-2-2341-1313-300
fax-no: +886-2-2396-8871
e-mail: hostmaster@twnic.net.tw
mnt-ref: APNIC-HM
mnt-by: APNIC-HM
last-modified: 2023-09-05T01:49:57Z
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 'AS152614'
% Abuse contact for 'AS152614' is 'tonychang22@istvc.com.tw'
aut-num: AS152614
country: TW
as-name: ISTVC-EX-TW
admin-c: TR413-AP
tech-c: TR413-AP
abuse-c: TR413-AP
mnt-irt: IRT-ISTVC-TW
descr: IMPROVE SYSTEM TECHNOLOGY CO., LTD.
descr: 19F-2., No. 37, Sec. 2, Sanmin Rd., Banqiao Dist., New Taipei City 220
default: to AS20473 action pref=2; networks ANY
export: to AS20473 announce AS9920
export: to AS6939 announce AS9920
import: from AS20473 accept ANY
import: from AS6939 accept ANY
remarks: (oid:ISTVC)
last-modified: 2026-03-02T09:54:08Z
source: APNIC
mnt-by: MAINT-TW-TWNIC
irt: IRT-ISTVC-TW
address: IMPROVE SYSTEM TECHNOLOGY CO., LTD.
address: 19F-2., No. 37, Sec. 2, Sanmin Rd., Banqiao Dist.,
address: New Taipei City 220
e-mail: tonychang22@istvc.com.tw
abuse-mailbox: tonychang22@istvc.com.tw
admin-c: TR413-AP
tech-c: TR413-AP
auth: # Filtered
mnt-by: MAINT-TW-TWNIC
last-modified: 2026-03-03T00:51:38Z
source: APNIC
role: TWNIC ROLE-ISTVC
nic-hdl: TR413-AP
address: IMPROVE SYSTEM TECHNOLOGY CO., LTD.
address: 19F-2., No. 37, Sec. 2, Sanmin Rd., Banqiao Dist., New Taipei City 220
country: TW
phone: +886-2-29569810
e-mail: proton@istvc.com.tw
abuse-mailbox: proton@istvc.com.tw
admin-c: PC1087-AP
tech-c: PC1087-AP
remarks: (hid:PC0916-S-TW)
last-modified: 2026-01-09T09:55:25Z
source: APNIC
mnt-by: MAINT-TW-TWNIC
% Information related to 'AS151866 - AS152889'
as-block: AS151866 - AS152889
descr: APNIC ASN block
admin-c: IA55-AP
tech-c: IH123-AP
mnt-by: MNT-APJII-ID
mnt-lower: MNT-APJII-ID
last-modified: 2026-02-13T18:14:02Z
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 1.88.47 (WHOIS-AU4)