| AS Number | 9920 |
|---|---|
| AS Name | ISTVC-AS-TW |
| Organization | IMPROVE SYSTEM TECHNOLOGY CO., LTD.(ISTVC-AS-TW) |
| Country | TW |
| Website | istvc.com.tw |
| Number of IPv4 Routes | 1 |
| Number of IPv6 Routes | 0 |
| ASN type | BUSINESS |
| Allocation Status | assigned |
| Registry | APNIC |
| Date Allocated | N/A |
| Route | # IPs |
|---|---|
| 103.173.94.0/24 | 256 |
% [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
as-name: ISTVC-AS-TW
descr: IMPROVE SYSTEM TECHNOLOGY CO., LTD.
descr: 19F-2., No. 37, Sec. 2, Sanmin Rd., Banqiao Dist.,
descr: New Taipei City 220
country: TW
import: from AS41051 accept ANY
import: from AS20473 accept ANY
export: to AS41051 announce AS9920
export: to AS20473 announce AS9920
default: to AS41051 action pref=4; networks ANY
default: to AS20473 action pref=2; networks ANY
admin-c: YC3255-AP
tech-c: YC3255-AP
abuse-c: AT939-AP
mnt-by: MAINT-TW-TWNIC
mnt-irt: IRT-ISTVC-TW
notify: tonychang22@istvc.com.tw
last-modified: 2025-11-06T09:07:22Z
source: APNIC
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: YC3255-AP
tech-c: YC3255-AP
auth: # Filtered
mnt-by: MAINT-TW-TWNIC
last-modified: 2025-11-06T07:21:49Z
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: YuSheng Chang
address: 19F-2., No. 37, Sec. 2, Sanmin Rd., Banqiao Dist, New Taipei City
country: TW
phone: +886932204302
e-mail: tonychang22@istvc.com.tw
nic-hdl: YC3255-AP
mnt-by: MAINT-TW-TWNIC
last-modified: 2023-12-12T07:29:43Z
source: APNIC
% This query was served by the APNIC Whois Service version 1.88.34 (WHOIS-UK2)
| AS Number | Description | Country |
|---|---|---|
| AS20473 | The Constant Company, LLC | US |
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