ASN AS18185 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS18185?

AS18185 is listed under NTCU AS TW 4F, No.114, Sec.1, Chung Shiao W. Road.

What do peers, upstreams, and downstreams mean in ASN data?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access the full ASN tables?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS18185 NTCU AS TW 4F, No.114, Sec.1, Chung Shiao W. Road

ASN Lookup Tool

NTCU AS TW 4F, No.114, Sec.1, Chung Shiao W. Road

AU 1 Routes

AS Data

AS18185

AS18185 – NTCU AS TW 4F, No.114, Sec.1, Chung Shiao W. Road

AS Number	18185
AS Name	APNIC-ASBLOCK-17915
Organization	NTCU AS TW 4F, No.114, Sec.1, Chung Shiao W. Road(apnic)
Country	AU
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	EDUCATION
Registry	APNIC
Date Allocated	2002-09-11

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Use ASN data for AS18185 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
211.76.240.0/20	AS18185	NTCU AS TW 4F, No.114, Sec.1, Chung Shiao W. Road	NTCU AS TW 4F, No.114, Sec.1, Chung Shiao W. Road	4096

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 'AS18185'

% Abuse contact for 'AS18185' is 'noc@mail.moe.gov.tw'

aut-num:        AS18185
as-name:        NTCU-AS-TW
descr:          4F, No.114, Sec.1, Chung-Shiao W. Road
descr:          Taipei Taiwan
country:        TW
import:         from AS9916 action pref=100; accept ANY
import:         from AS9415 action pref=100; accept ANY
export:         to AS9916 announce AS18185
export:         to AS9415 announce AS18185
default:        to AS9916 action pref=100; networks ANY
admin-c:        TL366-AP
tech-c:         CSC21-AP
abuse-c:        AT939-AP
mnt-by:         MAINT-TW-TWNIC
mnt-irt:        IRT-TANET-TW
last-modified:  2025-11-06T09:09:35Z
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:         Chang Sheng Chen
nic-hdl:        CSC21-AP
e-mail:         cschen@cc.nctu.edu.tw
address:        National Chiao Tung University
address:        Information Building, No. 1001,  Da Shruei Rd.
address:        Hsinchu Taiwan
phone:          +886 3 573 1721
fax-no:         +886 3 571 4031
country:        TW
mnt-by:         MAINT-TW-TWNIC
last-modified:  2008-09-04T07:29:19Z
source:         APNIC

person:         Ta-Chuan Liu
nic-hdl:        TL366-AP
e-mail:         sprint@ms1.hinet.net
address:
address:        4F, No.114, Sec.1, Chung-Shiao W. Road
address:        Taipei Taiwan
phone:          +886-3-573-1905
fax-no:         +886-3-571-4031
country:        TW
mnt-by:         MAINT-TW-TWNIC
last-modified:  2008-09-04T07:29:19Z
source:         APNIC

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

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.apnic.net",
  "as_blocks" : [ {
    "as_block" : "AS17653 - AS18431",
    "description" : [ "APNIC ASN block" ],
    "admin_contacts" : [ "HM20-AP" ],
    "tech_contacts" : [ "HM20-AP" ],
    "remarks" : [ "These AS numbers are further assigned by APNIC", "to APNIC members and end-users in the APNIC region" ],
    "mnt_by" : [ "APNIC-HM" ],
    "mnt_lower" : [ "APNIC-HM" ],
    "date_updated" : "2019-01-08",
    "source" : "APNIC"
  }, {
    "as_block" : "AS18177 - AS18185",
    "description" : [ "TWNIC-TW-AS-BLOCK" ],
    "admin_contacts" : [ "TWA2-AP" ],
    "tech_contacts" : [ "TWA2-AP" ],
    "remarks" : [ "These AS numbers are further assigned by TWNIC", "to TWNIC members" ],
    "mnt_by" : [ "APNIC-HM" ],
    "mnt_lower" : [ "MAINT-TW-TWNIC" ],
    "date_updated" : "2024-11-05",
    "source" : "APNIC"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS18185",
    "as_name" : "NTCU-AS-TW",
    "description" : [ "4F, No.114, Sec.1, Chung-Shiao W. Road", "Taipei Taiwan" ],
    "country" : "TW",
    "import" : [ "from AS9916 action pref=100; accept ANY", "from AS9415 action pref=100; accept ANY" ],
    "export" : [ "to AS9916 announce AS18185", "to AS9415 announce AS18185" ],
    "default" : [ "to AS9916 action pref=100; networks ANY" ],
    "admin_contacts" : [ "TL366-AP" ],
    "tech_contacts" : [ "CSC21-AP" ],
    "abuse_contacts" : [ "AT939-AP" ],
    "mnt_irt" : [ "IRT-TANET-TW" ],
    "mnt_by" : [ "MAINT-TW-TWNIC" ],
    "date_updated" : "2025-11-06",
    "source" : "APNIC"
  } ],
  "irt" : {
    "handle" : "IRT-TANET-TW",
    "address" : [ "Ministry of Education computer Center", "12F, No 106, Sec. 2, Heping E. Rd., Taipei" ],
    "street" : "No 106 Sec. 2 Heping E. Rd.",
    "city" : "Taipei",
    "email" : [ "noc@mail.moe.gov.tw" ],
    "abuse_mailbox" : [ "noc@mail.moe.gov.tw" ],
    "admin_contacts" : [ "TWA2-AP" ],
    "tech_contacts" : [ "TWA2-AP" ],
    "mnt_by" : [ "MAINT-TW-TWNIC" ],
    "date_updated" : "2025-11-06",
    "source" : "APNIC"
  },
  "administrative_contacts" : [ {
    "handle" : "TL366-AP",
    "name" : "Ta-Chuan Liu",
    "address" : [ "4F, No.114, Sec.1, Chung-Shiao W. Road", "Taipei Taiwan" ],
    "street" : "Sec.1 Chung-shiao W. Road",
    "city" : "Taipei",
    "country" : "TW",
    "email" : [ "sprint@ms1.hinet.net" ],
    "phone" : [ "+886-3-573-1905" ],
    "fax_no" : [ "+886-3-571-4031" ],
    "mnt_by" : [ "MAINT-TW-TWNIC" ],
    "date_updated" : "2008-09-04",
    "source" : "APNIC",
    "addressCountry" : "TAIWAN"
  } ],
  "technical_contacts" : [ {
    "handle" : "CSC21-AP",
    "name" : "Chang Sheng Chen",
    "address" : [ "National Chiao Tung University", "Information Building, No. 1001,  Da Shruei Rd.", "Hsinchu Taiwan" ],
    "street" : "No. 1001 Da Shruei Rd.",
    "city" : "Hsinchu",
    "country" : "TW",
    "email" : [ "cschen@cc.nctu.edu.tw" ],
    "phone" : [ "+886 3 573 1721" ],
    "fax_no" : [ "+886 3 571 4031" ],
    "mnt_by" : [ "MAINT-TW-TWNIC" ],
    "date_updated" : "2008-09-04",
    "source" : "APNIC",
    "addressCountry" : "TAIWAN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "AT939-AP",
    "name" : "ABUSE TWNICAP",
    "address" : [ "3F., No. 123, Sec. 4, Bade Rd., Songshan Dist., Taipei 105, Taiwan" ],
    "street" : "Sec. 4 Bade Rd.",
    "city" : "Taipei",
    "zip_code" : "105",
    "country" : "ZZ",
    "email" : [ "hostmaster@twnic.tw" ],
    "abuse_mailbox" : [ "hostmaster@twnic.tw" ],
    "phone" : [ "+000000000" ],
    "admin_contacts" : [ "TWA2-AP" ],
    "tech_contacts" : [ "TWA2-AP" ],
    "remarks" : [ "Generated from irt object IRT-TWNIC-AP", "hostmaster@twnic.tw was validated on 2025-05-23" ],
    "mnt_by" : [ "APNIC-ABUSE" ],
    "date_updated" : "2025-05-23",
    "source" : "APNIC",
    "addressCountry" : "TAIWAN"
  } ]
}

Peers

AS Number	Description	Country
AS9415	Asia Pacific Network Information Centre	AU
AS18420	National Central University	TW
AS9916	National Yang Ming Chiao Tung University	TW
AS4780	Digital United Inc.	TW

Upstreams

AS Number	Description	Country
AS4780	Digital United Inc.	TW

Downstreams

AS Number	Description	Country
AS18420	National Central University	TW
AS9916	National Yang Ming Chiao Tung University	TW