ASN AS56009 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS56009?

AS56009 is listed under Cetron Network Technology Co., Ltd.

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.

AS56009 Cetron Network Technology Co., Ltd

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Cetron Network Technology Co., Ltd cetron.com.cn

CN 0 Routes

AS Data

AS56009

AS56009 – Cetron Network Technology Co., Ltd

AS Number	56009
AS Name	Cetronnet
Organization	Cetron Network Technology Co., Ltd()
Country	CN
Website	cetron.com.cn
Number of IPv4 Routes	0
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	APNIC
Date Allocated	N/A

ASN Intelligence API for production workflows

Use ASN data for AS56009 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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Raw Whois Response

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

% Information related to 'AS55296 - AS56319'

as-block:       AS55296 - AS56319
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:  2009-09-03T01:15:30Z
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 'AS55956 - AS56015'

as-block:       AS55956 - AS56015
descr:          CNNIC ASN block
country:        CN
remarks:        These AS numbers are further assigned by CNNIC
remarks:        to CNNIC members and end-users in China
admin-c:        IPAS1-AP
tech-c:         IPAS1-AP
mnt-by:         APNIC-HM
mnt-lower:      MAINT-CNNIC-AP
last-modified:  2010-12-23T23:34:45Z
source:         APNIC

role:           CNNIC IPAS CONFEDERATION
address:        No.4, Zhongguancun No.4 South Street,
address:        Haidian District, Beijing
country:        CN
phone:          +86-010-58813000
fax-no:         +86-010-58813075
e-mail:         ipas@cnnic.cn
admin-c:        IP50-AP
tech-c:         IP50-AP
nic-hdl:        IPAS1-AP
mnt-by:         MAINT-CNNIC-AP
last-modified:  2013-09-12T07:40:01Z
source:         APNIC

% Information related to 'AS56009'

% Abuse contact for 'AS56009' is 'zhulw@cetron.com.cn'

aut-num:        AS56009
as-name:        Cetronnet
descr:          Cetron Network Technology Co., Ltd
descr:          Room1008,No.2 Department,Yuzhou Jinqiao Building
descr:          No.11,Lane 225 of Jinxiang Road,Pudong Xin District,Shanghai
country:        CN
admin-c:        ZM697-AP
tech-c:         ZM696-AP
abuse-c:        AC1601-AP
mnt-by:         MAINT-CNNIC-AP
mnt-irt:        IRT-CETRONNET-CN
last-modified:  2023-11-28T00:58:33Z
source:         APNIC

irt:            IRT-Cetronnet-CN
address:        Room1008,No.2 Department,Yuzhou Jinqiao Building,No.11,Lane 225of Jinxiang Road,Pudong Xin District,Shanghai
e-mail:         zhulw@cetron.com.cn
abuse-mailbox:  zhulw@cetron.com.cn
admin-c:        ZM697-AP
tech-c:         ZM697-AP
auth:           # Filtered
mnt-by:         MAINT-CNNIC-AP
last-modified:  2025-11-18T00:35:07Z
source:         APNIC

role:           ABUSE CNNICCN
country:        ZZ
address:        Beijing, China
phone:          +000000000
e-mail:         ipas@cnnic.cn
admin-c:        IP50-AP
tech-c:         IP50-AP
nic-hdl:        AC1601-AP
remarks:        Generated from irt object IRT-CNNIC-CN
remarks:        ipas@cnnic.cn is invalid
abuse-mailbox:  ipas@cnnic.cn
mnt-by:         APNIC-ABUSE
last-modified:  2025-09-19T17:20:32Z
source:         APNIC

person:         Pan Gao
nic-hdl:        ZM696-AP
address:        Room1008,No.2 Department,Yuzhou Jinqiao Building
address:        No.11,Lane 225 of Jinxiang Road,Pudong Xin District
address:        Shanghai, China
country:        CN
phone:          +86-13311098729
fax-no:         +86-021-51922592
e-mail:         gaopan@cetron.com.cn
mnt-by:         MAINT-CNNIC-AP
last-modified:  2011-08-22T08:54:01Z
source:         APNIC

person:         Chao Kong
nic-hdl:        ZM697-AP
address:        Room1008,No.2 Department,Yuzhou Jinqiao Building
address:        No.11,Lane 225 of Jinxiang Road,Pudong Xin District
address:        Shanghai, China
country:        CN
phone:          +86-010-59714289
fax-no:         +86-010-59714285
e-mail:         kongchao@cetron.com.cn
mnt-by:         MAINT-CNNIC-AP
last-modified:  2011-08-22T08:58:02Z
source:         APNIC

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