ASN Lookup Tool

AS4839
NAP2 at CERNET located in Shanghai CN CN 0 Routes

AS4839NAP2 at CERNET located in Shanghai

AS Number 4839
AS Name CERNAP2-CN
Organization NAP2 at CERNET located in Shanghai(CERNAP2-CN)
Country CN
Website cernet.edu.cn
Number of IPv4 Routes 0
Number of IPv6 Routes 0
ASN type EDUCATION
Allocation Status allocated
Registry APNIC
Date Allocated 2001-09-19

Raw Whois Response

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

% Information related to 'AS4608 - AS4865'

as-block:       AS4608 - AS4865
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:  2019-05-20T03:52:26Z
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 'AS4839'

% Abuse contact for 'AS4839' is 'abuse@cernet.edu.cn'

aut-num:        AS4839
as-name:        CERNAP2-CN
descr:          NAP2 at CERNET located in Shanghai
descr:          Shanghai Jiaotong University, Shanghai
country:        CN
import:         from AS4538 action pref=10; accept AS4538
import:         from AS4799 action pref=10; accept AS4799
import:         from AS4134 action pref=10; accept AS4134 AS4808 AS4809
import:         from AS7497 action pref=10; accept AS7497
import:         from AS9929 action pref=10; accept AS9929
import:         from AS9389 action pref=10; accept AS9389
import:         from AS9306 action pref=10; accept AS9306
import:         from AS9800 action pref=10; accept AS9800
import:         from AS9808 action pref=10; accept AS9808
export:         to AS4538 announce ANY
export:         to AS4799 announce ANY
export:         to AS4808 announce ANY
export:         to AS7497 announce ANY
export:         to AS9929 announce ANY
export:         to AS9389 announce ANY
export:         to AS9306 announce ANY
export:         to AS9800 announce ANY
export:         to AS9808 announce ANY
default:        to AS4538 action pref=10; networks ANY
remarks:        Exchange Point
admin-c:        XL1-CN
tech-c:         SZ2-AP
abuse-c:        AC1685-AP
mnt-lower:      MAINT-CERNET-AP
mnt-routes:     MAINT-CERNET-AP
mnt-by:         APNIC-HM
mnt-irt:        IRT-CERNET-AP
last-modified:  2020-09-03T09:16:26Z
source:         APNIC

irt:            IRT-CERNET-AP
address:        Network Research Center,
address:        Main Bldg, Tsinghua Univ
address:        Beijing 100084, China
phone:          +86-10-62784301
fax-no:         +86-10-62785933
e-mail:         abuse@cernet.edu.cn
abuse-mailbox:  abuse@cernet.edu.cn
admin-c:        CER-AP
tech-c:         CER-AP
auth:           # Filtered
remarks:        timezone GMT+8
remarks:        http://www.ccert.edu.cn
remarks:        abuse@cernet.edu.cn was validated on 2025-08-15
mnt-by:         MAINT-CERNET-AP
last-modified:  2025-11-18T00:26:28Z
source:         APNIC

role:           ABUSE CERNETAP
country:        ZZ
address:        Network Research Center,
address:        Main Bldg, Tsinghua Univ
address:        Beijing 100084, China
phone:          +86-10-62784301
e-mail:         abuse@cernet.edu.cn
admin-c:        CER-AP
tech-c:         CER-AP
nic-hdl:        AC1685-AP
remarks:        Generated from irt object IRT-CERNET-AP
remarks:        abuse@cernet.edu.cn was validated on 2025-08-15
abuse-mailbox:  abuse@cernet.edu.cn
mnt-by:         APNIC-ABUSE
last-modified:  2025-08-15T09:38:28Z
source:         APNIC

person:         Shuang Zhu
address:        China Education and Research Network Information Center
address:        Room 225, Main Building, Tsinghua University
address:        Beijing 100084, China
country:        CN
phone:          +86-10-6278-5931
fax-no:         +86-10-6278-5933
e-mail:         szhu@cernet.edu.cn
nic-hdl:        SZ2-AP
mnt-by:         MAINT-CERNET-AP
last-modified:  2011-12-22T05:14:36Z
source:         APNIC

person:         Xing Li
address:        China Education and Research Network Center
address:        Room 225, Main Building, Tsinghua University
address:        Beijing 100084
address:        CN
country:        CN
phone:          +86-10-6278-5983
fax-no:         +86-10-6278-5933
e-mail:         xing@cernet.edu.cn
nic-hdl:        XL1-CN
mnt-by:         MAINT-CERNET-AP
last-modified:  2011-12-22T05:14:25Z
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
AS9808 China Mobile CN
AS4799 CNCGROUP Jitong IP network CN
AS4538 China Education and Research Network Center CN
AS9800 CHINA UNICOM AU
AS9389 BEIJING SHENZHOU GREATWALL COMMUNICATION AU
AS9929 CHINA UNICOM Industrial Internet Backbone AU
AS4134 CHINANET BACKBONE No.31,Jin rong Street CN
AS4808 CHINA169 BJ CN
AS7497 CNIC CAS CN
AS9306 CIETNET AU

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