ASN Lookup Tool

National Center for Research on Earthquake Engineering it.ncree.org TW TW 10 Routes

AS Data

AS18183

AS18183National Center for Research on Earthquake Engineering

AS Number 18183
AS Name NCREE
Organization National Center for Research on Earthquake Engineering()
Country TW
Website it.ncree.org
Number of IPv4 Routes 5
Number of IPv6 Routes 5
ASN type GOVERNMENT
Registry APNIC
Date Allocated N/A

ASN Intelligence API for production workflows

Use ASN data for AS18183 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
61.56.0.0/20 4096
61.56.8.0/21 2048
2001:4500:1100::/41 ~155×10²⁴
2001:4500:1180::/41 ~155×10²⁴
61.56.4.0/24 256
202.5.12.0/22 1024
2001:4500:1100::/40 ~309×10²⁴
2400:85a0::/32 ~79×10²⁷
2001:4500::/32 ~79×10²⁷
103.189.132.0/23 512

Raw Whois Response

% [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 '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

% This query was served by the APNIC Whois Service version 1.88.34 (WHOIS-UK2)

Parsed Whois Response

Peers

AS Number Description Country
AS7539 National Center for High performance Computing TW
AS9264 Academia Sinica TW
AS18426 National Applied Research Laboratories TW
AS9505 Chunghwa Telecom Co., Ltd. TW
AS9681 Formosa Open eXchange(FOX) TW
AS9264 The most preeminent academic institute in Taiwan, the Republic of China TW
AS9681 Formosa Open eXchange FOX TW
AS9505 Taiwan Internet Gateway TW
AS7539 National Center for High-performance Computing TW

Upstreams

AS Number Description Country
AS7539 National Center for High performance Computing TW
AS9505 Chunghwa Telecom Co., Ltd. TW
AS9264 The most preeminent academic institute in Taiwan, the Republic of China TW
AS9681 Formosa Open eXchange FOX TW

Downstreams

AS Number Description Country
AS18426 National Applied Research Laboratories TW

Contacts

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Frequently Asked Questions

ASN AS18183 is an Autonomous System Number used to identify a network for BGP internet routing.
AS18183 is listed under National Center for Research on Earthquake Engineering.
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.