ASN AS24406 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS24406?

AS24406 is listed under China Internet Network Infomation Center.

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?

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AS24406 China Internet Network Infomation Center

China Internet Network Infomation Center cnnic.cn

CN 19 Routes

AS Data

AS24406

AS24406 – China Internet Network Infomation Center

AS Number	24406
AS Name	CNNIC-CRITICAL-AP
Organization	China Internet Network Infomation Center
Country	CN
Website	cnnic.cn
Number of IPv4 Routes	13
Number of IPv6 Routes	6
ASN type	GOVERNMENT
Registry	APNIC
Date Allocated	N/A

ASN Intelligence API for production workflows

Use ASN data for AS24406 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
125.208.43.0/24	AS24406	China Internet Network Infomation Center	China Internet Network Information Center	256
203.119.26.0/24	AS24406	China Internet Network Infomation Center	China Internet Network Information Center	256
2001:dc7:fffb::/48	AS24406	China Internet Network Infomation Center	China Internet Network Information Center	~1×10²⁴
42.83.134.0/24	AS24406	China Internet Network Infomation Center	China Network Information Center	256
2001:dc7:ffd3::/48	AS24406	China Internet Network Infomation Center	China Internet Network Information Center	~1×10²⁴
125.208.32.0/24	AS24406	China Internet Network Infomation Center	China Internet Network Information Center	256
42.83.190.0/24	AS24406	China Internet Network Infomation Center	China Network Information Center	256
203.119.30.0/24	AS24406	China Internet Network Infomation Center	China Internet Network Information Center	256
125.208.33.0/24	AS24406	China Internet Network Infomation Center	China Internet Network Information Center	256
2001:dc7:ffc3::/48	AS24151	China Internet Network Infomation Center	China Internet Network Information Center	~1×10²⁴

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 'AS24401 - AS24430'

as-block:       AS24401 - AS24430
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:  2008-09-04T06:40:26Z
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 'AS24406'

% Abuse contact for 'AS24406' is 'ipas@cnnic.cn'

aut-num:        AS24406
as-name:        CNNIC-CRITICAL-AP
descr:          China Internet Network Infomation Center
descr:          4 South 4th Street,Zhongguuancun,Haidianqu,Beijing,100080 P.R.China
country:        CN
import:         from AS7497 action pref=100; accept ANY
import:         from AS4847 action pref=100; accept ANY
export:         to AS4847 announce AS24406
export:         to AS7497 announce AS24406
admin-c:        IPAS1-AP
tech-c:         IPAS1-AP
abuse-c:        AC1601-AP
mnt-routes:     MAINT-CNNIC-AP
mnt-by:         MAINT-CNNIC-AP
mnt-irt:        IRT-CNNIC-CN
last-modified:  2021-06-16T01:28:50Z
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

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

% 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" : "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" : "AS24401 - AS24430",
    "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" : "2008-09-04",
    "source" : "APNIC"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS24406",
    "as_name" : "CNNIC-CRITICAL-AP",
    "description" : [ "China Internet Network Infomation Center", "4 South 4th Street,Zhongguuancun,Haidianqu,Beijing,100080 P.R.China" ],
    "country" : "CN",
    "import" : [ "from AS7497 action pref=100; accept ANY", "from AS4847 action pref=100; accept ANY" ],
    "export" : [ "to AS4847 announce AS24406", "to AS7497 announce AS24406" ],
    "admin_contacts" : [ "IPAS1-AP" ],
    "tech_contacts" : [ "IPAS1-AP" ],
    "abuse_contacts" : [ "AC1601-AP" ],
    "mnt_irt" : [ "IRT-CNNIC-CN" ],
    "mnt_routes" : [ "MAINT-CNNIC-AP" ],
    "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" : "IPAS1-AP",
    "name" : "CNNIC IPAS CONFEDERATION",
    "address" : [ "No.4, Zhongguancun No.4 South Street,", "Haidian District, Beijing" ],
    "street" : "South Street",
    "city" : "Beijing",
    "country" : "CN",
    "email" : [ "ipas@cnnic.cn" ],
    "phone" : [ "+86-010-58813000" ],
    "fax_no" : [ "+86-010-58813075" ],
    "admin_contacts" : [ "IP50-AP" ],
    "tech_contacts" : [ "IP50-AP" ],
    "mnt_by" : [ "MAINT-CNNIC-AP" ],
    "date_updated" : "2013-09-12",
    "source" : "APNIC"
  } ],
  "technical_contacts" : [ {
    "handle" : "IPAS1-AP",
    "name" : "CNNIC IPAS CONFEDERATION",
    "address" : [ "No.4, Zhongguancun No.4 South Street,", "Haidian District, Beijing" ],
    "street" : "South Street",
    "city" : "Beijing",
    "country" : "CN",
    "email" : [ "ipas@cnnic.cn" ],
    "phone" : [ "+86-010-58813000" ],
    "fax_no" : [ "+86-010-58813075" ],
    "admin_contacts" : [ "IP50-AP" ],
    "tech_contacts" : [ "IP50-AP" ],
    "mnt_by" : [ "MAINT-CNNIC-AP" ],
    "date_updated" : "2013-09-12",
    "source" : "APNIC"
  } ],
  "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
AS4808	China Unicom Beijing Province Network	CN
AS4837	China Unicom Backbone	CN
AS4808	CHINA169 BJ China Unicom Beijing Province Network	AU
AS21859	Zenlayer Inc	US
AS7497	CNIC CAS	CN
AS38283	CHINANET SiChuan Telecom Internet Data Center	CN
AS134542	China Unicom IP network	CN
AS58461	CT HANGZHOU IDC No.288,Fu chun Road	AU
AS137702	China Telecom	CN
AS33071	Internet Systems Consortium, Inc.	US

Upstreams

AS Number	Description	Country
AS38283	CHINANET SiChuan Telecom Internet Data Center	CN
AS134542	China Unicom IP network	CN
AS58461	CT HANGZHOU IDC No.288,Fu chun Road	AU
AS137702	China Telecom	CN
AS33071	Internet Systems Consortium, Inc.	US
AS4812	Shanghai Telecom Company	CN
AS4837	CHINA UNICOM China169 Backbone	CN
AS17547	M1 NET LTD	SG
AS4808	CHINA169 BJ China Unicom Beijing Province Network	AU
AS21859	Zenlayer Inc	US

Contacts

Email Contacts

ipas@cnnic.cn helpdesk@apnic.net

Abuse Contacts

ipas@cnnic.cn

Legacy Routes

203.119.29.0/24 2001:dc7:fffe::/48 125.208.36.0/24 42.83.130.0/24 2001:dc7::/48 2001:dc7:3::/48 42.83.132.0/24 2001:dc7:fffc::/48 2001:dc7:1::/48 125.208.42.0/24 125.208.34.0/24 125.208.35.0/24 2001:dc7:fffd::/48 203.119.28.0/24 203.119.31.0/24 2001:dc7:2::/48 2001:dc7:ffff::/48 125.208.49.0/24 2001:dc7:1000::/48 2001:dc7:feff::/48

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