18047 NTHU-TW National Tsing-Hua University, TW
Adjacency: 2 Upstream: 2 Downstream: 0
Upstream Adjacent AS list
AS7539 TWAREN-TW National Center for High-performance Computing, TW
AS9505 TWGATE-AP Taiwan Internet Gateway, TW
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 2885 AS18047 ORIGIN Originate: 73728 /15.83 Transit: 0 /0.00 NTHU-TW National Tsing-Hua University, 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 % 34227 AS18047 NTHU-TW National Tsing-Hua University, TW 2 0 0 2 0 0.00% Prefix AS Path Aggregation Suggestion 120.127.160.0/19 4777 2516 9505 18047 140.114.0.0/16 4777 2497 9505 18047
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS18047 1 More Specifics 2 Total Advertisements NTHU-TW National Tsing-Hua University, TW
120.127.160.0/19 120.96.0.0/11
whois: 402332
IANA has recorded AS18047 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS18047\n % [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html
% Information related to 'AS17653 - AS18431'
as-block: AS17653 - AS18431
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: 2019-01-08T23:19:07Z
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 'AS18040 - AS18049'
as-block: AS18040 - AS18049
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: 2017-06-29T23:47:09Z
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 'AS18047'
% Abuse contact for 'AS18047' is 'noc@mail.moe.gov.tw'
aut-num: AS18047
as-name: NTHU-TW
descr: National Tsing-Hua University
descr: Hsinchu, Taiwan
country: TW
import: from AS1659 action pref=10; accept ANY
import: from AS3462 action pref=20; accept ANY
import: from AS9924 action pref=20; accept ANY
export: to AS1659 announce AS18047
export: to AS3462 announce AS18047
export: to AS9924 announce AS18047
default: to AS1659 action pref=100; networks ANY
admin-c: SC547-AP
tech-c: SC547-AP
abuse-c: AT939-AP
mnt-by: MAINT-TW-TWNIC
mnt-irt: IRT-TANET-TW
last-modified: 2025-11-06T09:09:02Z
source: APNIC
irt: IRT-TANET-TW
address: Ministry of Education computer Center
address: 12F, No 106, Sec. 2, Heping E. Rd., Taipei
e-mail: noc@mail.moe.gov.tw
abuse-mailbox: noc@mail.moe.gov.tw
admin-c: TWA2-AP
tech-c: TWA2-AP
auth: # Filtered
mnt-by: MAINT-TW-TWNIC
last-modified: 2025-11-06T07:51:48Z
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: Shin-Ming Chang
address: National Tsing-Hua University
address: No.101, Section 2, Kuang-Fu Road, Hsinchu City, Taiwan, R.O.C.
country: TW
phone: +886-3-573-1133
fax-no: +886-3-571-0776
e-mail: smchang@cc.nthu.edu.tw
nic-hdl: SC547-AP
mnt-by: MAINT-TW-TWNIC
last-modified: 2008-09-04T07:29:18Z
source: APNIC
% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-AU5)