ASN Lookup Tool

China Internet Network Infomation Center cnnic.cn CN CN 79 Routes

AS Data

AS24151

AS24151China Internet Network Infomation Center

AS Number 24151
AS Name CNNIC-CRITICAL-AP
Organization China Internet Network Infomation Center()
Country CN
Website cnnic.cn
Number of IPv4 Routes 42
Number of IPv6 Routes 37
ASN type GOVERNMENT
Registry APNIC
Date Allocated N/A

ASN Intelligence API for production workflows

Use ASN data for AS24151 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

Access complete peers, upstreams, downstreams, routes, WHOIS, and contact intelligence via our API. Learn more

IP Ranges

Route # IPs
2001:dc7:b::/48 ~1×10²⁴
42.83.146.0/24 256
2001:dc7:5d0c::/48 ~1×10²⁴
203.119.31.0/24 256
2001:dc7:ffc8::/48 ~1×10²⁴
218.241.115.0/24 256
2001:dc7:ffc3::/48 ~1×10²⁴
218.241.97.0/24 256
218.241.122.0/24 256
1.2.4.0/24 256

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 'AS24145 - AS24152'

as-block:       AS24145 - AS24152
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 'AS24151'

% Abuse contact for 'AS24151' is 'ipas@cnnic.cn'

aut-num:        AS24151
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 AS8674 action pref=100; accept ANY
import:         from AS4847 action pref=100; accept ANY
export:         to AS4847 announce AS24151
export:         to AS7497 announce AS24151
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:  2021-06-16T01:27:46Z
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-UK2)

Parsed Whois Response

Peers

AS Number Description Country
AS4808 China Unicom Beijing Province Network CN
AS31529 DENIC eG DE
AS8674 Netnod AB SE
AS7497 Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) CN
AS23600 Korea Internet Security Agency KR
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
AS10099 China Unicom Global HK

Upstreams

AS Number Description Country
AS38283 CHINANET SiChuan Telecom Internet Data Center CN
AS1280 Internet Systems Consortium, Inc. US
AS23600 Korea Internet Security Agency KR
AS4808 CHINA169 BJ China Unicom Beijing Province Network AU
AS4847 Connect to Sprint Link Intl and Global Sprint Link CN
AS21859 Zenlayer Inc US
AS7497 CNIC CAS CN
AS8763 DENIC eG DE

Downstreams

AS Number Description Country
AS31529 DENIC eG DE
AS23596 Korea Internet Security Agency KR

Contacts

Legacy Routes

203.119.29.0/24 2001:dc7:fffe::/48 125.208.36.0/24 125.208.40.0/24 125.208.43.0/24 203.119.26.0/24 125.208.32.0/24 2001:dc7:ffd2::/48 210.2.4.0/24 2001:dc7::/48 2001:dc7:3::/48 2001:dc7:ffd3::/48 2001:dc7:1::/48 2001:dc7:fffc::/48 203.119.27.0/24 42.83.134.0/24 42.83.131.0/24 2001:dc7:ffff::/48 125.208.46.0/24 2001:dc7:1000::/48 125.208.33.0/24

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Frequently Asked Questions

ASN AS24151 is an Autonomous System Number used to identify a network for BGP internet routing.
AS24151 is listed under China Internet Network Infomation Center.
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.