AS45576 Tsinghua University | IPGeolocation.io

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AS45576 – Tsinghua University

AS Number	45576
AS Name	CERNET2-TSINGHUA6-AS-AP
Organization	Tsinghua University(CERNET2-TSINGHUA6-AS-AP)
Country	CN
Website	cernet.edu.cn
Number of IPv4 Routes	0
Number of IPv6 Routes	4
ASN type	EDUCATION
Allocation Status	allocated
Registry	APNIC
Date Allocated	2008-12-12

IP Ranges

Route	Origin	Origin Name	ISP	# IPs
2402:f000:2::/48	AS45576	Tsinghua University	CERNET	~1×10²⁴
2402:f000:3::/48	AS45576	Tsinghua University	CERNET	~1×10²⁴
2402:f000:4::/48	AS45576	Tsinghua University	CERNET	~1×10²⁴
2402:f000::/32	AS45576	Tsinghua University	CERNET	~79×10²⁷

Raw Whois Response

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

% Information related to 'AS45056 - AS46079'

as-block:       AS45056 - AS46079
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:  2009-09-29T05:48:11Z
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 'AS45576'

% Abuse contact for 'AS45576' is 'abuse@cernet.edu.cn'

aut-num:        AS45576
as-name:        CERNET2-TSINGHUA6-AS-AP
descr:          Tsinghua University
descr:          Beijing 100084, China
country:        CN
import:         from AS23910 action pref=10; accept ANY
import:         from AS4538 action pref=10; accept ANY
import:         from AS4134 action pref=10; accept ANY
import:         from AS4837 action pref=10; accept ANY
export:         to AS23910 announce AS45576
export:         to AS4134 announce AS45576
export:         to AS4837 announce AS45576
export:         to AS4538 announce AS45576
default:        to AS23910 action pref=10; networks ANY
remarks:        Multihome member of CERNET
admin-c:        CER-AP
tech-c:         CER-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:  2020-09-03T09:16:15Z
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:  2025-09-04T00:59:41Z
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

role:           CERNET Helpdesk
address:        CERNET Center
address:        Beijing 100084, China
country:        CN
phone:          +86-10-6278-4049
fax-no:         +86-10-6278-5933
e-mail:         helpdesk@cernet.edu.cn
remarks:        abuse@cernet.edu.cn
admin-c:        XL1-CN
tech-c:         SZ2-AP
nic-hdl:        CER-AP
mnt-by:         MAINT-CERNET-AP
last-modified:  2020-09-03T09:14:12Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.34 (WHOIS-JP1)

Parsed Whois Response

Peers

AS Number	Description	Country
AS209300	Wende Tan	CN
AS4538	China Education and Research Network Center	CN
AS4837	CHINA UNICOM China169 Backbone	CN
AS24239	TWD2 Education and Research Network	CN
AS24348	CERNET2 IX at Tsinghua University	CN
AS4134	CHINANET BACKBONE No.31,Jin rong Street	CN
AS23910	China Next Generation Internet CERNET2	CN