18183 NCREE National Center for Research on Earthquake Engineering, TW
Adjacency: 3 Upstream: 3 Downstream: 0
Upstream Adjacent AS list
AS9264 ASNET Academia Sinica, TW
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 12169 AS18183 ORIGIN Originate: 7936 /19.05 Transit: 0 /0.00 NCREE National Center for Research on Earthquake Engineering, 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 % 20841 AS18183 NCREE National Center for Research on Earthqu 5 1 0 4 1 20.00% Prefix AS Path Aggregation Suggestion 61.56.0.0/20 4777 2500 7660 9264 18183 61.56.4.0/24 4777 2500 7660 9264 18183 - Withdrawn - matching aggregate 61.56.0.0/20 4777 2500 7660 9264 18183 61.56.8.0/21 4777 2516 9505 18183 18183 103.189.132.0/23 4608 7575 3491 9924 7539 18183 202.5.12.0/22 4777 2500 7660 9264 18183
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS18183 3 More Specifics 5 Total Advertisements NCREE National Center for Research on Earthquake Engineering, TW
61.56.0.0/20 61.56.0.0/17
61.56.4.0/24 61.56.0.0/17
61.56.8.0/21 61.56.0.0/17
whois: 402332
IANA has recorded AS18183 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS18183\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
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address: South Brisbane
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e-mail: helpdesk@apnic.net
admin-c: AMS11-AP
tech-c: AH256-AP
nic-hdl: HM20-AP
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notify: hostmaster@apnic.net
mnt-by: MAINT-APNIC-AP
last-modified: 2013-10-23T04:06:51Z
source: APNIC
% Information related to 'AS18177 - AS18185'
as-block: AS18177 - AS18185
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: 2024-11-05T01:42:24Z
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 'AS18183'
% Abuse contact for 'AS18183' is 'wccheng@narlabs.org.tw'
aut-num: AS18183
country: TW
as-name: NCREE
admin-c: TR477-AP
tech-c: TR477-AP
abuse-c: TR477-AP
mnt-irt: IRT-NCREE-TW
descr: National Center for Research on Earthquake Engineering
descr: 200, Sec. 3, Xinhai Road
descr: Taipei
default: to AS7539 action pref=100; networks ANY
export: to AS7539 announce AS18183
export: to AS9264 announce AS18183
export: to AS9505 announce AS18183
import: from AS7539 action pref=100; accept ANY
import: from AS9264 action pref=100; accept ANY
import: from AS9505 action pref=100; accept ANY
remarks: (oid:NCREE)
last-modified: 2026-01-08T05:14:01Z
source: APNIC
mnt-by: MAINT-TW-TWNIC
irt: IRT-NCREE-TW
address: 200, Sec. 3, Xinhai Road, Taipei 10658, Taiwan
e-mail: wccheng@narlabs.org.tw
abuse-mailbox: wccheng@narlabs.org.tw
admin-c: AC2588-AP
tech-c: AC2588-AP
auth: # Filtered
mnt-by: MAINT-TW-TWNIC
last-modified: 2025-11-06T07:26:23Z
source: APNIC
role: TWNIC ROLE-NCREE
nic-hdl: TR477-AP
address: National Center for Research on Earthquake Engineering
address: 200, Sec. 3, Xinhai Road
address: Taipei
country: TW
phone: +886-2-6630-0888
e-mail: net@it.ncree.org
abuse-mailbox: net@it.ncree.org
admin-c: NNA96-AP
tech-c: NNA96-AP
remarks: (hid:C218-TW)
mnt-by: MAINT-TW-TWNIC
last-modified: 2025-09-11T01:31:25Z
source: APNIC
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