ASN AS24133 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS24133?

AS24133 is listed under 21vianet China Inc..

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.

AS24133 21vianet China Inc. | IPGeolocation.io

ASN Lookup Tool

21vianet China Inc. cnnic.cn

CN 0 Routes

AS Data

AS24133

AS24133 – 21vianet China Inc.

AS Number	24133
AS Name	CHINA-21VIANET
Organization	21vianet China Inc.
Country	CN
Website	cnnic.cn
Number of IPv4 Routes	0
Number of IPv6 Routes	0
ASN type	ISP
Registry	APNIC
Date Allocated	N/A

ASN Intelligence API for production workflows

Use ASN data for AS24133 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 'AS23552 - AS24575'

as-block:       AS23552 - AS24575
descr:          APNIC ASN block
remarks:        These AS numbers are further assigned by APNIC
remarks:        to APNIC members and end-users in the APNIC region
remarks:        AS23889 has been transfered to AfriNIC
admin-c:        HM20-AP
tech-c:         HM20-AP
mnt-by:         APNIC-HM
mnt-lower:      APNIC-HM
last-modified:  2009-09-29T06:04:16Z
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 'AS24133 - AS24143'

as-block:       AS24133 - AS24143
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:  2018-05-01T10:12:25Z
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 'AS24133'

% Abuse contact for 'AS24133' is 'ipas@cnnic.cn'

aut-num:        AS24133
as-name:        CHINA-21VIANET
descr:          21vianet(China) Inc.
descr:          BOE Science Park,10 Jiuxianqiao Road,Chaoyang District
descr:          Beijing ,China
country:        CN
import:         from AS4808 action pref=100; accept ANY
import:         from AS4837 action pref=100; accept ANY
import:         from AS4847 action pref=100; accept ANY
import:         from AS9800 action pref=100; accept ANY
import:         from AS9802 action pref=100; accept ANY
import:         from AS9308 action pref=100; accept ANY
export:         to AS4808 announce AS24133
export:         to AS4837 announce AS24133
export:         to AS4847 announce AS24133
export:         to AS9800 announce AS24133
export:         to AS9802 announce AS24133
export:         to AS9308 announce AS24133
admin-c:        ML2382-AP
tech-c:         ML2382-AP
abuse-c:        AC1601-AP
mnt-lower:      MAINT-CN-21VIANET
mnt-routes:     MAINT-CN-21VIANET
mnt-by:         MAINT-CNNIC-AP
mnt-irt:        IRT-CNNIC-CN
last-modified:  2021-06-16T01:26:26Z
source:         APNIC

irt:            IRT-CNNIC-CN
address:        Beijing, China
e-mail:         ipas@cnnic.cn
abuse-mailbox:  ipas@cnnic.cn
admin-c:        IP50-AP
tech-c:         IP50-AP
auth:           # Filtered
remarks:        Please note that CNNIC is not an ISP and is not
remarks:        empowered to investigate complaints of network abuse.
remarks:        Please contact the tech-c or admin-c of the network.
remarks:        ipas@cnnic.cn is invalid
mnt-by:         MAINT-CNNIC-AP
last-modified:  2025-11-17T23:08:37Z
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:         Li  Xuesong
address:        BOE Science Park, 10 Jiuxianqiao Road, Chaoyang,Beijing 100016, China
country:        CN
phone:          +86-10-84562121
fax-no:         +86-10-84564234
e-mail:         abuse@21viamail.com
nic-hdl:        ML2382-AP
mnt-by:         MAINT-CNNIC-AP
last-modified:  2014-12-26T06:30:02Z
source:         APNIC

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

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.apnic.net",
  "as_blocks" : [ {
    "as_block" : "AS23552 - AS24575",
    "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", "AS23889 has been transfered to AfriNIC" ],
    "mnt_by" : [ "APNIC-HM" ],
    "mnt_lower" : [ "APNIC-HM" ],
    "date_updated" : "2009-09-29",
    "source" : "APNIC"
  }, {
    "as_block" : "AS24133 - AS24143",
    "country" : "CN",
    "description" : [ "CNNIC ASN block" ],
    "admin_contacts" : [ "IPAS1-AP" ],
    "tech_contacts" : [ "IPAS1-AP" ],
    "remarks" : [ "These AS numbers are further assigned by CNNIC", "to CNNIC members and end-users in China" ],
    "mnt_by" : [ "APNIC-HM" ],
    "mnt_lower" : [ "MAINT-CNNIC-AP" ],
    "date_updated" : "2018-05-01",
    "source" : "APNIC"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS24133",
    "as_name" : "CHINA-21VIANET",
    "description" : [ "21vianet(China) Inc.", "BOE Science Park,10 Jiuxianqiao Road,Chaoyang District", "Beijing ,China" ],
    "country" : "CN",
    "import" : [ "from AS4808 action pref=100; accept ANY", "from AS4837 action pref=100; accept ANY", "from AS4847 action pref=100; accept ANY", "from AS9800 action pref=100; accept ANY", "from AS9802 action pref=100; accept ANY", "from AS9308 action pref=100; accept ANY" ],
    "export" : [ "to AS4808 announce AS24133", "to AS4837 announce AS24133", "to AS4847 announce AS24133", "to AS9800 announce AS24133", "to AS9802 announce AS24133", "to AS9308 announce AS24133" ],
    "admin_contacts" : [ "ML2382-AP" ],
    "tech_contacts" : [ "ML2382-AP" ],
    "abuse_contacts" : [ "AC1601-AP" ],
    "mnt_irt" : [ "IRT-CNNIC-CN" ],
    "mnt_lower" : [ "MAINT-CN-21VIANET" ],
    "mnt_routes" : [ "MAINT-CN-21VIANET" ],
    "mnt_by" : [ "MAINT-CNNIC-AP" ],
    "date_updated" : "2021-06-16",
    "source" : "APNIC"
  } ],
  "irt" : {
    "handle" : "IRT-CNNIC-CN",
    "address" : [ "Beijing, China" ],
    "city" : "Beijing",
    "country" : "CHINA",
    "email" : [ "ipas@cnnic.cn" ],
    "abuse_mailbox" : [ "ipas@cnnic.cn" ],
    "admin_contacts" : [ "IP50-AP" ],
    "tech_contacts" : [ "IP50-AP" ],
    "remarks" : [ "Please note that CNNIC is not an ISP and is not", "empowered to investigate complaints of network abuse.", "Please contact the tech-c or admin-c of the network.", "ipas@cnnic.cn is invalid" ],
    "mnt_by" : [ "MAINT-CNNIC-AP" ],
    "date_updated" : "2025-11-17",
    "source" : "APNIC"
  },
  "administrative_contacts" : [ {
    "handle" : "ML2382-AP",
    "name" : "Li  Xuesong",
    "address" : [ "BOE Science Park, 10 Jiuxianqiao Road, Chaoyang,Beijing 100016, China" ],
    "street" : "Jiuxianqiao Road Chaoyang",
    "city" : "Beijing",
    "zip_code" : "100016",
    "country" : "CN",
    "email" : [ "abuse@21viamail.com" ],
    "phone" : [ "+86-10-84562121" ],
    "fax_no" : [ "+86-10-84564234" ],
    "mnt_by" : [ "MAINT-CNNIC-AP" ],
    "date_updated" : "2014-12-26",
    "source" : "APNIC",
    "addressCountry" : "CHINA"
  } ],
  "technical_contacts" : [ {
    "handle" : "ML2382-AP",
    "name" : "Li  Xuesong",
    "address" : [ "BOE Science Park, 10 Jiuxianqiao Road, Chaoyang,Beijing 100016, China" ],
    "street" : "Jiuxianqiao Road Chaoyang",
    "city" : "Beijing",
    "zip_code" : "100016",
    "country" : "CN",
    "email" : [ "abuse@21viamail.com" ],
    "phone" : [ "+86-10-84562121" ],
    "fax_no" : [ "+86-10-84564234" ],
    "mnt_by" : [ "MAINT-CNNIC-AP" ],
    "date_updated" : "2014-12-26",
    "source" : "APNIC",
    "addressCountry" : "CHINA"
  } ],
  "abuse_contacts" : [ {
    "handle" : "AC1601-AP",
    "name" : "ABUSE CNNICCN",
    "address" : [ "Beijing, China" ],
    "city" : "Beijing",
    "country" : "ZZ",
    "email" : [ "ipas@cnnic.cn" ],
    "abuse_mailbox" : [ "ipas@cnnic.cn" ],
    "phone" : [ "+000000000" ],
    "admin_contacts" : [ "IP50-AP" ],
    "tech_contacts" : [ "IP50-AP" ],
    "remarks" : [ "Generated from irt object IRT-CNNIC-CN", "ipas@cnnic.cn is invalid" ],
    "mnt_by" : [ "APNIC-ABUSE" ],
    "date_updated" : "2025-09-19",
    "source" : "APNIC",
    "addressCountry" : "CHINA"
  } ]
}

Peers

AS Number	Description	Country
AS39120	Convergenze S.p.A.	IT
AS4635	Hong Kong Internet Exchange--Route Server 1	HK
AS9802	Abitcool China Inc.	CN
AS9800	CHINA UNICOM	CN
AS9584	Diyixian.com Limited	HK
AS9308	Abitcool China Inc.	CN
AS4837	CHINA UNICOM China169 Backbone	CN
AS140627	OneQode	AU
AS32590	Valve Corporation	US
AS4808	CHINA169 BJ China Unicom Beijing Province Network	AU

Upstreams

AS Number	Description	Country
AS4635	The Hong Kong Internet Exchange Limited	HK

Downstreams

AS Number	Description	Country
AS9584	Diyixian.com Limited	HK

Contacts

Email Contacts

ipas@cnnic.cn helpdesk@apnic.net

Abuse Contacts

ipas@cnnic.cn abuse@21viamail.com