121.52.176.0/20

Tsinghua Science Park Internet Data Center

Announcing ASNs: 1

Parent Prefix: 121.52.160.0/19

Abuse: abuse@cernet.edu.cn

RIR: APNIC

Prefix
Routing
Raw Whois

Announcing ASNs

Country	ASN	Name	Description
	AS4538	ERX-CERNET-BKB	China Education and Research Network Center

121.52.176.0/20 Summary

Prefix:

121.52.176.0/20

Name:

TSP-CERNET

Description:

Tsinghua Science Park Internet Data Center

Country:

IP Addresses:

4,096

Regional Registry:

APNIC

Allocation Status:

Allocated

Allocation Date:

1^st November 2007

Parent Prefix:

121.52.160.0/19

Contacts

Email Contacts:

abuse@cernet.edu.cn

helpdesk@cernet.edu.cn

Abuse Contacts:

abuse@cernet.edu.cn

Address:

Network Research Center,

Main Bldg,

Tsinghua Univ,

Beijing 100084,

China

Summary

Country	Prefix	Name	Description	ASN
	121.52.160.0/19	TSP-CERNET	Tsinghua Science Park Internet Data Center	AS4538

AS4538 China Education and Research Network Center - Prefix Upstreams

Country	ASN	Name	Description
	AS140570	HKBCS-AS-AP	Hong Kong Beecloud System Technology Services Limited

% Information related to '121.52.160.0 - 121.52.191.255'

% Abuse contact for '121.52.160.0 - 121.52.191.255' is 'abuse@cernet.edu.cn'

inetnum:        121.52.160.0 - 121.52.191.255
netname:        TSP-CERNET
descr:          Tsinghua Science Park Internet Data Center
descr:          China Education and Research Network
country:        CN
admin-c:        CER-AP
tech-c:         CER-AP
abuse-c:        AC1685-AP
status:         ALLOCATED PORTABLE
remarks:        origin AS4538
remarks:        confederation
remarks:        --------------------------------------------------------
remarks:        To report network abuse, please contact mnt-irt
remarks:        For troubleshooting, please contact tech-c and admin-c
remarks:        Report invalid contact via www.apnic.net/invalidcontact
remarks:        --------------------------------------------------------
mnt-by:         APNIC-HM
mnt-lower:      MAINT-CERNET-AP
mnt-routes:     MAINT-CERNET-AP
mnt-irt:        IRT-CERNET-AP
last-modified:  2020-09-03T09:16:20Z
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 2024-07-04
mnt-by:         MAINT-CERNET-AP
last-modified:  2024-07-04T04:10:10Z
source:         APNIC

role:           ABUSE CERNETAP
address:        Network Research Center,
address:        Main Bldg, Tsinghua Univ
address:        Beijing 100084, China
country:        ZZ
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 2024-07-04
abuse-mailbox:  abuse@cernet.edu.cn
mnt-by:         APNIC-ABUSE
last-modified:  2024-07-04T04:10:19Z
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

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