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The URL for this lookup is http://vpn.oretek.com/cgi-bin/addressblock.cgi?addr2=202.0.0.0&extra=CERNET
Resolved 202.0.0.0 to 202.0.0.0Is 202.0.0.0 listed by anyone?
Is this network listed by anyone?
Associated netblock ( 202.0.0.0/9 ) is managed by whois.apnic.net on port 43
Checking whois.apnic.net for [ 202.0.0.0 ]% [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html
% Information related to '202.38.135.0 - 202.38.135.255'
% Abuse contact for '202.38.135.0 - 202.38.135.255' is 'abuse@cernet.edu.cn'
inetnum: 202.38.135.0 - 202.38.135.255
netname: CERNET
descr: China Education and Research Network (CERNET)
country: CN
org: ORG-CEAR1-AP
admin-c: CER-AP
tech-c: CER-AP
abuse-c: AC1685-AP
status: ASSIGNED PORTABLE
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-routes: MAINT-CERNET-AP
mnt-irt: IRT-CERNET-AP
last-modified: 2023-08-31T00:35:51Z
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 2025-01-22
mnt-by: MAINT-CERNET-AP
last-modified: 2025-01-22T13:47:43Z
source: APNIC
organisation: ORG-CEAR1-AP
org-name: China Education and Research Network (CERNET)
country: CN
address: FIT 3-220,
address: Tsinghua University
phone: +86-10-62785983
fax-no: +86-10-62785933
e-mail: hostmaster@cernic.net
mnt-ref: APNIC-HM
mnt-by: APNIC-HM
last-modified: 2018-09-13T12:56:34Z
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 2025-01-22
abuse-mailbox: abuse@cernet.edu.cn
mnt-by: APNIC-ABUSE
last-modified: 2025-01-22T16:25:45Z
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
% Information related to '211.70.0.0 - 211.71.255.255'
% Abuse contact for '211.70.0.0 - 211.71.255.255' is 'abuse@cernet.edu.cn'
inetnum: 211.70.0.0 - 211.71.255.255
netname: CERNET
descr: China Education and Research Network
descr: Room 224, Tsinghua University
descr: Beijing, China
country: CN
admin-c: JW1-CN
tech-c: XL1-CN
tech-c: LZ1-CN
abuse-c: AC1685-AP
status: ALLOCATED PORTABLE
remarks: APNIC Very Large member, confederation
mnt-by: APNIC-HM
mnt-lower: MAINT-CERNET-AP
mnt-routes: MAINT-CERNET-AP
mnt-irt: IRT-CERNET-AP
last-modified: 2020-10-20T00:56:10Z
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 2025-01-22
mnt-by: MAINT-CERNET-AP
last-modified: 2025-01-22T13:47:43Z
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 2025-01-22
abuse-mailbox: abuse@cernet.edu.cn
mnt-by: APNIC-ABUSE
last-modified: 2025-01-22T16:25:45Z
source: APNIC
person: Jianping Wu
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: jianping@cernet.edu.cn
nic-hdl: JW1-CN
mnt-by: MAINT-CERNET-AP
last-modified: 2011-12-22T05:14:25Z
source: APNIC
person: Ling Zhang
address: Network Center
address: South China University of Technology
address: Guangzhou, Guangdong 510641, China
address: CN
country: CN
phone: +86-20-87110596
fax-no: +86-20-87110019
e-mail: ling@scut.edu.cn
nic-hdl: LZ1-CN
notify: dbmon@apnic.net
mnt-by: MAINT-NULL
last-modified: 2011-12-22T05:14:25Z
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
% Information related to '211.80.0.0 - 211.80.255.255'
% Abuse contact for '211.80.0.0 - 211.80.255.255' is 'abuse@cernet.edu.cn'
inetnum: 211.80.0.0 - 211.80.255.255
netname: CERNET
descr: China Education and Research Network
descr: Room 224, Tsinghua University
descr: Beijing, China
country: CN
admin-c: JW1-CN
tech-c: XL1-CN
tech-c: LZ1-CN
abuse-c: AC1685-AP
status: ALLOCATED PORTABLE
remarks: APNIC Very Large member, confederation
mnt-by: APNIC-HM
mnt-lower: MAINT-CERNET-AP
mnt-routes: MAINT-CERNET-AP
mnt-irt: IRT-CERNET-AP
last-modified: 2020-10-20T00:56:10Z
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 2025-01-22
mnt-by: MAINT-CERNET-AP
last-modified: 2025-01-22T13:47:43Z
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 2025-01-22
abuse-mailbox: abuse@cernet.edu.cn
mnt-by: APNIC-ABUSE
last-modified: 2025-01-22T16:25:45Z
source: APNIC
person: Jianping Wu
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: jianping@cernet.edu.cn
nic-hdl: JW1-CN
mnt-by: MAINT-CERNET-AP
last-modified: 2011-12-22T05:14:25Z
source: APNIC
person: Ling Zhang
address: Network Center
address: South China University of Technology
address: Guangzhou, Guangdong 510641, China
address: CN
country: CN
phone: +86-20-87110596
fax-no: +86-20-87110019
e-mail: ling@scut.edu.cn
nic-hdl: LZ1-CN
notify: dbmon@apnic.net
mnt-by: MAINT-NULL
last-modified: 2011-12-22T05:14:25Z
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
% Information related to '240c:c000::/20'
% Abuse contact for '240c:c000::/20' is 'abuse@cernet.edu.cn'
inet6num: 240c:c000::/20
netname: CERNET
descr: China Education and Research Network
descr: Tsinghua University
country: CN
org: ORG-CEAR1-AP
admin-c: CER-AP
tech-c: CER-AP
abuse-c: AC1685-AP
status: ALLOCATED PORTABLE
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: 2023-08-28T06:40:49Z
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 2025-01-22
mnt-by: MAINT-CERNET-AP
last-modified: 2025-01-22T13:47:43Z
source: APNIC
organisation: ORG-CEAR1-AP
org-name: China Education and Research Network (CERNET)
country: CN
address: FIT 3-220,
address: Tsinghua University
phone: +86-10-62785983
fax-no: +86-10-62785933
e-mail: hostmaster@cernic.net
mnt-ref: APNIC-HM
mnt-by: APNIC-HM
last-modified: 2018-09-13T12:56:34Z
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 2025-01-22
abuse-mailbox: abuse@cernet.edu.cn
mnt-by: APNIC-ABUSE
last-modified: 2025-01-22T16:25:45Z
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
% Information related to 'ORG-CNTC2-AP'
organisation: ORG-CNTC2-AP
org-name: CERNET New Technology Co., Ltd
org-type: LIR
country: CN
address: CERNET Tower, Tsinghua Science Park Building 8
phone: +8610-62603340
fax-no: +86-010-62601898
e-mail: ningxy@cernet.com
mnt-ref: APNIC-HM
mnt-by: APNIC-HM
last-modified: 2023-09-05T02:16:19Z
source: APNIC
% Information related to 'ORG-CNTC5-AP'
organisation: ORG-CNTC5-AP
org-name: CERNET New Technology Co., Ltd
org-type: OTHER
address: CERNET Tower, Tsinghua Science Park Building 8, Beijing Haidian District 100084
country: CN
phone: +86-010-62603421
e-mail: ningxy@cernet.com
admin-c: CNTC1-AP
tech-c: CNTC1-AP
mnt-ref: APNIC-HM
mnt-by: APNIC-HM
last-modified: 2023-09-05T03:51:14Z
source: APNIC
role: CERNET New Technology Co Ltd administrator
address: CERNET Tower, Tsinghua Science Park Building 8, Beijing Haidian District 100084
country: CN
phone: +86-010-62603421
fax-no: +86-010-62603421
e-mail: ningxy@cernet.com
admin-c: CNTC1-AP
tech-c: CNTC1-AP
nic-hdl: CNTC1-AP
mnt-by: MAINT-CNTCL-CN
last-modified: 2014-02-21T00:01:49Z
source: APNIC
% Information related to 'CER-AP'
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
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
% Information related to 'CIH2-AP'
role: CERNET IVI Helpdesk
address: CERNET Center
address: Beijing 100084, China
country: CN
phone: +86-10-6278-4049
e-mail: xing@cernet.edu.cn
admin-c: XL1-CN
tech-c: XL1-CN
nic-hdl: CIH2-AP
mnt-by: MAINT-CERNET-AP
last-modified: 2020-09-03T08:56:43Z
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
% Information related to 'CNTC1-AP'
role: CERNET New Technology Co Ltd administrator
address: CERNET Tower, Tsinghua Science Park Building 8, Beijing Haidian District 100084
country: CN
phone: +86-010-62603421
fax-no: +86-010-62603421
e-mail: ningxy@cernet.com
admin-c: CNTC1-AP
tech-c: CNTC1-AP
nic-hdl: CNTC1-AP
mnt-by: MAINT-CNTCL-CN
last-modified: 2014-02-21T00:01:49Z
source: APNIC
% This query was served by the APNIC Whois Service version 1.88.34 (WHOIS-US2)
If you have another source of testing you would like added, Please email Joe Jared.