What is ASN AS133465?

ASN AS133465 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS133465?

AS133465 is listed under Duke Kunshan University.

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.

AS133465 Duke Kunshan University

ASN Lookup Tool

Duke Kunshan University duke.edu

CN 1 Routes

AS Data

AS133465

AS133465 – Duke Kunshan University

AS Number	133465
AS Name	DKU-AS-AP
Organization	Duke Kunshan University (org-dku1-ap)
Country	CN
Website	duke.edu
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	EDUCATION
Registry	APNIC
Date Allocated	N/A

ASN Intelligence API for production workflows

Use ASN data for AS133465 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
103.252.172.0/22	AS133465	Duke Kunshan University	Duke Kunshan University	1024

Raw Whois Response

% [whois.apnic.net]
% Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html

% Information related to 'AS133120 - AS133631'

as-block:       AS133120 - AS133631
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:  2013-09-11T23:52:15Z
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 'AS133465'

% Abuse contact for 'AS133465' is 'network-apnic@duke.edu'

aut-num:        AS133465
as-name:        DKU-AS-AP
descr:          Duke Kunshan University
descr:          1699 Zuchongzhi Road
descr:          Kunshan, Jiangsu, China
country:        CN
org:            ORG-DKU1-AP
admin-c:        DKUA1-AP
tech-c:         DKUA1-AP
abuse-c:        AD1006-AP
mnt-lower:      MAINT-DKU-CN
mnt-routes:     MAINT-DKU-CN
mnt-by:         APNIC-HM
mnt-irt:        IRT-DKU-CN
last-modified:  2020-11-10T13:11:02Z
source:         APNIC

irt:            IRT-DKU-CN
address:        1699 Zuchongzhi Road, Kunshan, Jiangsu, China, Kunshan Jiangsu 215300
e-mail:         network-apnic@duke.edu
abuse-mailbox:  network-apnic@duke.edu
admin-c:        DKUA1-AP
tech-c:         DKUA1-AP
auth:           # Filtered
remarks:        network-apnic@duke.edu is invalid
mnt-by:         MAINT-DKU-CN
last-modified:  2026-03-07T17:43:11Z
source:         APNIC

organisation:   ORG-DKU1-AP
org-name:       Duke Kunshan University
org-type:       LIR
country:        CN
address:        No. 8 Duke Avenue
address:        Kunshan, Jiangsu, China
phone:          +86 512 36657044
fax-no:         +86 512 57728899
e-mail:         richard.biever@duke.edu
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:16:16Z
source:         APNIC

role:           ABUSE DKUCN
country:        ZZ
address:        1699 Zuchongzhi Road, Kunshan, Jiangsu, China, Kunshan Jiangsu 215300
phone:          +000000000
e-mail:         network-apnic@duke.edu
admin-c:        DKUA1-AP
tech-c:         DKUA1-AP
nic-hdl:        AD1006-AP
remarks:        Generated from irt object IRT-DKU-CN
remarks:        network-apnic@duke.edu is invalid
abuse-mailbox:  network-apnic@duke.edu
mnt-by:         APNIC-ABUSE
last-modified:  2026-03-07T17:43:43Z
source:         APNIC

role:           Duke Kunshan University administrator
address:        1699 Zuchongzhi Road, Kunshan, Jiangsu, China, Kunshan Jiangsu 215300
country:        CN
phone:          +1 919 684 8121
fax-no:         +1 919 684 8121
e-mail:         richard.biever@duke.edu
admin-c:        DKUA1-AP
tech-c:         DKUA1-AP
nic-hdl:        DKUA1-AP
mnt-by:         MAINT-DKU-CN
last-modified:  2013-10-20T08:06:14Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-US2)

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.apnic.net",
  "as_blocks" : [ {
    "as_block" : "AS133120 - AS133631",
    "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" : "2013-09-11",
    "source" : "APNIC"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS133465",
    "as_name" : "DKU-AS-AP",
    "description" : [ "Duke Kunshan University", "1699 Zuchongzhi Road", "Kunshan, Jiangsu, China" ],
    "country" : "CN",
    "organization" : "ORG-DKU1-AP",
    "admin_contacts" : [ "DKUA1-AP" ],
    "tech_contacts" : [ "DKUA1-AP" ],
    "abuse_contacts" : [ "AD1006-AP" ],
    "mnt_irt" : [ "IRT-DKU-CN" ],
    "mnt_lower" : [ "MAINT-DKU-CN" ],
    "mnt_routes" : [ "MAINT-DKU-CN" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2020-11-10",
    "source" : "APNIC"
  } ],
  "irt" : {
    "handle" : "IRT-DKU-CN",
    "address" : [ "1699 Zuchongzhi Road, Kunshan, Jiangsu, China, Kunshan Jiangsu 215300" ],
    "street" : "Zuchongzhi Road",
    "city" : "Kunshan",
    "state" : "JIANGSU",
    "zip_code" : "215300",
    "country" : "CHINA",
    "email" : [ "network-apnic@duke.edu" ],
    "abuse_mailbox" : [ "network-apnic@duke.edu" ],
    "admin_contacts" : [ "DKUA1-AP" ],
    "tech_contacts" : [ "DKUA1-AP" ],
    "remarks" : [ "network-apnic@duke.edu is invalid" ],
    "mnt_by" : [ "MAINT-DKU-CN" ],
    "date_updated" : "2026-03-07",
    "source" : "APNIC"
  },
  "organization" : {
    "handle" : "ORG-DKU1-AP",
    "name" : "Duke Kunshan University",
    "type" : "LIR",
    "address" : [ "No. 8 Duke Avenue", "Kunshan, Jiangsu, China" ],
    "street" : "Duke Avenue",
    "city" : "Kunshan",
    "state" : "JIANGSU",
    "country" : [ "CN" ],
    "email" : [ "richard.biever@duke.edu" ],
    "phone" : [ "+86 512 36657044" ],
    "fax_no" : [ "+86 512 57728899" ],
    "mnt_ref" : [ "APNIC-HM" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2023-09-05",
    "source" : "APNIC",
    "addressCountry" : "CHINA"
  },
  "administrative_contacts" : [ {
    "handle" : "DKUA1-AP",
    "name" : "Duke Kunshan University administrator",
    "address" : [ "1699 Zuchongzhi Road, Kunshan, Jiangsu, China, Kunshan Jiangsu 215300" ],
    "street" : "Zuchongzhi Road",
    "city" : "Kunshan",
    "state" : "JIANGSU",
    "zip_code" : "215300",
    "country" : "CN",
    "email" : [ "richard.biever@duke.edu" ],
    "phone" : [ "+1 919 684 8121" ],
    "fax_no" : [ "+1 919 684 8121" ],
    "admin_contacts" : [ "DKUA1-AP" ],
    "tech_contacts" : [ "DKUA1-AP" ],
    "mnt_by" : [ "MAINT-DKU-CN" ],
    "date_updated" : "2013-10-20",
    "source" : "APNIC",
    "addressCountry" : "CHINA"
  } ],
  "technical_contacts" : [ {
    "handle" : "DKUA1-AP",
    "name" : "Duke Kunshan University administrator",
    "address" : [ "1699 Zuchongzhi Road, Kunshan, Jiangsu, China, Kunshan Jiangsu 215300" ],
    "street" : "Zuchongzhi Road",
    "city" : "Kunshan",
    "state" : "JIANGSU",
    "zip_code" : "215300",
    "country" : "CN",
    "email" : [ "richard.biever@duke.edu" ],
    "phone" : [ "+1 919 684 8121" ],
    "fax_no" : [ "+1 919 684 8121" ],
    "admin_contacts" : [ "DKUA1-AP" ],
    "tech_contacts" : [ "DKUA1-AP" ],
    "mnt_by" : [ "MAINT-DKU-CN" ],
    "date_updated" : "2013-10-20",
    "source" : "APNIC",
    "addressCountry" : "CHINA"
  } ],
  "abuse_contacts" : [ {
    "handle" : "AD1006-AP",
    "name" : "ABUSE DKUCN",
    "address" : [ "1699 Zuchongzhi Road, Kunshan, Jiangsu, China, Kunshan Jiangsu 215300" ],
    "street" : "Zuchongzhi Road",
    "city" : "Kunshan",
    "state" : "JIANGSU",
    "zip_code" : "215300",
    "country" : "ZZ",
    "email" : [ "network-apnic@duke.edu" ],
    "abuse_mailbox" : [ "network-apnic@duke.edu" ],
    "phone" : [ "+000000000" ],
    "admin_contacts" : [ "DKUA1-AP" ],
    "tech_contacts" : [ "DKUA1-AP" ],
    "remarks" : [ "Generated from irt object IRT-DKU-CN", "network-apnic@duke.edu is invalid" ],
    "mnt_by" : [ "APNIC-ABUSE" ],
    "date_updated" : "2026-03-07",
    "source" : "APNIC",
    "addressCountry" : "CHINA"
  } ]
}

Peers

AS Number	Description	Country
AS4538	China Education and Research Network Center	CN
AS65300
AS4538	Tsinghua University	CN
AS24361	CERNET2 IX at Southeast University	CN
AS64855

Upstreams

AS Number	Description	Country
AS4538	Tsinghua University	CN
AS24361	CERNET2 IX at Southeast University	CN

Downstreams

AS Number	Description	Country
AS65300
AS64855

Contacts

Email Contacts

network-apnic@duke.edu richard.biever@duke.edu

Abuse Contacts

network-apnic@duke.edu

Legacy Routes

180.208.59.0/24