ASN Lookup Tool

IMPROVE SYSTEM TECHNOLOGY CO., LTD. istvc.com.tw TW TW 0 Routes

AS Data

AS9920

AS9920IMPROVE SYSTEM TECHNOLOGY CO., LTD.

AS Number 9920
AS Name ISTVC-AS-TW
Organization IMPROVE SYSTEM TECHNOLOGY CO., LTD.()
Country TW
Website istvc.com.tw
Number of IPv4 Routes 0
Number of IPv6 Routes 0
ASN type BUSINESS
Registry APNIC
Date Allocated N/A

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Use ASN data for AS9920 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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Raw Whois Response

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

% Information related to 'AS9249 - AS10239'

as-block:       AS9249 - AS10239
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:  2022-09-22T22:36:45Z
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 'AS9915 - AS9924'

as-block:       AS9915 - AS9924
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:  2017-06-29T23:49:13Z
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 'AS9920'

% Abuse contact for 'AS9920' is 'tonychang22@istvc.com.tw'

aut-num:        AS9920
country:        TW
as-name:        ISTVC-AS-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 AS41051 action pref=4; networks ANY
default:        to AS20473 action pref=2; networks ANY
export:         to AS41051 announce AS9920
export:         to AS20473 announce AS9920
import:         from AS41051 accept ANY
import:         from AS20473 accept ANY
remarks:        (oid:ISTVC)
last-modified:  2026-01-09T09:51:57Z
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

% This query was served by the APNIC Whois Service version 1.88.34 (WHOIS-US2)

Parsed Whois Response

Peers

AS Number Description Country
AS20473 The Constant Company, LLC US
AS41051 FREETRANSIT Project CH

Contacts

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Frequently Asked Questions

ASN AS9920 is an Autonomous System Number used to identify a network for BGP internet routing.
AS9920 is listed under IMPROVE SYSTEM TECHNOLOGY CO., LTD..
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.