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 2020-09-03 mnt-by: MAINT-CERNET-AP last-modified: 2020-09-03T09:20:29Z 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 abuse-mailbox: abuse@cernet.edu.cn mnt-by: APNIC-ABUSE last-modified: 2020-09-03T09:15:57Z source: APNIC
person: Li Xing address: China Education and Research Network address: China Education and Research Network Center address: 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: LX58-AP notify: address-allocation-staff@net.edu.cn mnt-by: MAINT-CERNET-AP last-modified: 2011-12-22T05:14:50Z source: APNIC
person: Wu Jianping address: China Education and Research Network address: China Education and Research Network Center address: 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: WJ67-AP notify: address-allocation-staff@net.edu.cn mnt-by: MAINT-CERNET-AP last-modified: 2011-12-22T05:14:50Z source: APNIC
% This query was served by the APNIC Whois Service version 1.88.15-SNAPSHOT (WHOIS-NODE4)
% Information related to '2001:250::/32'
% Abuse contact for '2001:250::/32' is 'abuse@cernet.edu.cn'
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 2020-09-03 mnt-by: MAINT-CERNET-AP last-modified: 2020-09-03T09:20:29Z 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 abuse-mailbox: abuse@cernet.edu.cn mnt-by: APNIC-ABUSE last-modified: 2020-09-03T09:15:57Z source: APNIC
person: Li Xing address: China Education and Research Network address: China Education and Research Network Center address: 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: LX58-AP notify: address-allocation-staff@net.edu.cn mnt-by: MAINT-CERNET-AP last-modified: 2011-12-22T05:14:50Z source: APNIC
person: Wu Jianping address: China Education and Research Network address: China Education and Research Network Center address: 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: WJ67-AP notify: address-allocation-staff@net.edu.cn mnt-by: MAINT-CERNET-AP last-modified: 2011-12-22T05:14:50Z source: APNIC
% This query was served by the APNIC Whois Service version 1.88.15-SNAPSHOT (WHOIS-NODE4)
Search
IP range details
2001:250:440b::/48
·CERNET IPv6 Backbone
IP range details
2001:250:440b::/48
·CERNET IPv6 Backbone
Summary
Country
China
Country Code
CN
Asn
AS4538
Registry
APNIC
Hosted Ips
0
WHOIS Details
% Information related to '2001:250::/32'
% Abuse contact for '2001:250::/32' is 'abuse@cernet.edu.cn'
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 2020-09-03 mnt-by: MAINT-CERNET-AP last-modified: 2020-09-03T09:20:29Z 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 abuse-mailbox: abuse@cernet.edu.cn mnt-by: APNIC-ABUSE last-modified: 2020-09-03T09:15:57Z source: APNIC
person: Li Xing address: China Education and Research Network address: China Education and Research Network Center address: 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: LX58-AP notify: address-allocation-staff@net.edu.cn mnt-by: MAINT-CERNET-AP last-modified: 2011-12-22T05:14:50Z source: APNIC
person: Wu Jianping address: China Education and Research Network address: China Education and Research Network Center address: 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: WJ67-AP notify: address-allocation-staff@net.edu.cn mnt-by: MAINT-CERNET-AP last-modified: 2011-12-22T05:14:50Z source: APNIC
% This query was served by the APNIC Whois Service version 1.88.15-SNAPSHOT (WHOIS-NODE4)
% Information related to '2001:250::/32'
% Abuse contact for '2001:250::/32' is 'abuse@cernet.edu.cn'
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 2020-09-03 mnt-by: MAINT-CERNET-AP last-modified: 2020-09-03T09:20:29Z 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 abuse-mailbox: abuse@cernet.edu.cn mnt-by: APNIC-ABUSE last-modified: 2020-09-03T09:15:57Z source: APNIC
person: Li Xing address: China Education and Research Network address: China Education and Research Network Center address: 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: LX58-AP notify: address-allocation-staff@net.edu.cn mnt-by: MAINT-CERNET-AP last-modified: 2011-12-22T05:14:50Z source: APNIC
person: Wu Jianping address: China Education and Research Network address: China Education and Research Network Center address: 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: WJ67-AP notify: address-allocation-staff@net.edu.cn mnt-by: MAINT-CERNET-AP last-modified: 2011-12-22T05:14:50Z source: APNIC
% This query was served by the APNIC Whois Service version 1.88.15-SNAPSHOT (WHOIS-NODE4)